CN219112922U

CN219112922U - Support seat

Info

Publication number: CN219112922U
Application number: CN202223561267.7U
Authority: CN
Inventors: 李文孝; 刘金波; 苏维亮
Original assignee: Harbin Boiler Co Ltd
Current assignee: Harbin Boiler Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02
Anticipated expiration: 2032-12-30

Abstract

A support belongs to the field of machining. The utility model solves the problems that the existing long-axis workpiece support frame has complex structure, high cost and low production efficiency, and vibration patterns are easy to generate in the actual production process, so that the processing precision and the production efficiency of parts are affected. One end of a vertical branch pipe is arranged on angle steel of a lower beam, the other end of the vertical branch pipe is connected with a central bedplate, a plurality of lower supporting bolts are arranged on the central bedplate, an upper bedplate is arranged on the lower supporting bolts through bolts, a bearing sleeve lower half seat is arranged on the upper bedplate, the bearing sleeve lower half seat is hinged with a bearing sleeve upper half seat, bearings are arranged in the bearing sleeve lower half seat and the bearing sleeve upper half seat, and a bearing inner sleeve is arranged in the bearings and is used for installing shaft pipe workpieces. The support disclosed by the utility model has the advantages that the product quality problem influenced by the vibration of the lathe is reduced, the production efficiency is improved, and unsafe factors generated by resonance between a workpiece and the lathe are eliminated.

Description

Support seat

Technical Field

The utility model relates to the field of machining, in particular to a support.

Background

The end faces and chamfer angles of the boiler suspender, the heating surface straight calandria, the slender shaft and the pipe products are generally machined by adopting a lathe, and the machining is characterized in that the machining is carried out by adopting the lathe, each time, the batch is large and the variety is more, when the tail end part of a part extending out of a lathe spindle is more than 800mm, the workpiece is easy to vibrate, when the workpiece resonates with the lathe, personnel or equipment safety accidents are easy to generate due to the fact that the workpiece is easy to swing, meanwhile, the abrasion to the lathe spindle bearing is accelerated due to the fact that the workpiece swings and vibrates, an operator can only adopt small cutting amount to machine when operating, and cannot adopt large cutting amount to machine, so that the machining efficiency of the workpiece is influenced, and the machining production of the boiler suspender, the heating surface straight calandria, the slender shaft and the pipe products is restricted.

At present, in production, a supporting frame is usually used for processing long-axis workpieces, the central position of the processed workpiece is guaranteed through the supporting frame, the supporting frame of a lathe in the prior art is inconvenient to move, the cost is high, the production efficiency is low, in the actual production process, vibration marks are easily generated on the workpieces when the long workpieces of the shafts are processed to the middle position, the processing precision of the parts is influenced, and meanwhile, the production of waste products is easily caused by tremble of the workpieces.

Aiming at the defects of the prior art, the utility model provides the end face processing auxiliary center support which has the advantages of simple structure, firm support, convenient use and low cost and is specially used for processing the shaft piece of the ultra-long and ultra-heavy shaft product.

Disclosure of Invention

The utility model aims to solve the problems that the existing long-axis workpiece support frame is complex in structure, high in cost and low in production efficiency, vibration marks are easy to generate in the actual production process, and the machining precision and the production efficiency of parts are affected. The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.

The technical scheme of the utility model is as follows:

a support comprises a lower beam angle steel, a vertical branch pipe, a central bedplate, an upper platform plate, a bearing inner sleeve, a bearing sleeve lower half seat and a bearing sleeve upper half seat, wherein one end of the vertical branch pipe is installed on the lower beam angle steel, the other end of the vertical branch pipe is connected with the central bedplate, a plurality of lower support bolts are arranged on the central bedplate, the upper platform plate is installed on the lower support bolts through bolts, the bearing sleeve lower half seat is arranged on the upper platform plate, the bearing sleeve lower half seat is hinged with the bearing sleeve upper half seat, a bearing is arranged in the bearing sleeve lower half seat and the bearing sleeve upper half seat, and the bearing inner sleeve is arranged in the bearing and is used for installing shaft pipe workpieces.

Further, the lower beam angle steel is welded on the counterweight base.

Furthermore, the angle steel of the lower beam is welded with an inclined support reinforcing pipe, the other end of the inclined support reinforcing pipe is welded with the central bedplate, and the angle range between the inclined support reinforcing pipe and the central bedplate is 40-50 degrees.

Furthermore, two bottom angle pins are symmetrically arranged on the central bedplate, the bottom angle pins are symmetrically arranged on two sides of the lower half seat of the bearing sleeve, and each bottom angle pin is welded with the central bedplate and the lower half seat of the bearing sleeve respectively.

Further, bearing seat hinge sleeves are respectively arranged on the lower half seat of the bearing sleeve and the upper half seat of the bearing sleeve, and the lower half seat of the bearing sleeve is connected with the bearing seat hinge sleeves of the upper half seat of the bearing sleeve through hinge shafts.

Further, hinge lugs are respectively arranged on the lower half seat of the bearing sleeve and the upper half seat of the bearing sleeve, the lower half seat of the bearing sleeve is longitudinally aligned with the hinge lugs on the upper half seat of the bearing sleeve, and the two hinge lugs are connected through hinge bolts and fixed through hinge nuts.

Further, a hanging ring is arranged on the upper half seat of the bearing sleeve and is connected with the upper half seat of the bearing sleeve through a hanging ring screw.

The utility model has the following beneficial effects:

1. the support overcomes the problems of high cutting quantity, low efficiency and low turning precision caused by large vibration when a large-sized shaft workpiece is turned on a lathe in the prior art, reduces the quality problem caused by the vibration of the lathe, improves the production efficiency, and eliminates unsafe factors generated by the resonance of the workpiece and the lathe;

2. the support is simple in structure, low in manufacturing cost, convenient to move and convenient to use, is specially used for an end face machining auxiliary support bracket of an ultralong and ultraheavy shaft product machining shaft piece, and improves machining production efficiency of long shaft workpieces.

Drawings

FIG. 1 is a front view of a mount;

fig. 2 is a side view of fig. 1.

In the figure, the weight is 1-a weight base, 2-a lower beam angle steel, 3-an inclined support reinforcing pipe, 4-a vertical support pipe, 5-a central bedplate, 6-a lower support bolt, 7-an upper bedplate, 8-a bottom angle pin, 9-a bolt, 10-a lifting ring bolt, 11-a bearing, 12-a bearing inner sleeve, 13-a bearing sleeve lower half seat, 14-a bearing seat hinge sleeve, 15-a hinge shaft, 16-a hinge lug, 17-a hinge bolt, 18-a hinge nut, 19-a bearing sleeve upper half seat and 20-a lifting ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The connection mentioned in the present utility model is divided into a fixed connection and a detachable connection, wherein the fixed connection (i.e. the non-detachable connection) includes, but is not limited to, a conventional fixed connection manner such as a hemmed connection, a rivet connection, an adhesive connection, a welded connection, etc., and the detachable connection includes, but is not limited to, a conventional detachable manner such as a threaded connection, a snap connection, a pin connection, a hinge connection, etc., and when the specific connection manner is not specifically limited, at least one connection manner can be found in the existing connection manner by default, so that the function can be realized, and a person skilled in the art can select the connection according to needs. For example: the fixed connection is welded connection, and the detachable connection is hinged connection.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment 1, which is a mounting step of a stand, is described with reference to fig. 1 to 2;

preparing a counterweight base 1, wherein the counterweight base 1 is a solid iron block, the counterweight base 1 is used for guaranteeing the stability of the integral structure of a support, two lower beam angle steels 2 are welded on the counterweight base 1, two vertical branch pipes 4 are welded on each lower beam angle steel 2, a central bedplate 5 is welded on each vertical branch pipe 4, a plurality of lower supporting bolts 6 are connected on the central bedplate 5 in a threaded manner, six lower supporting bolts 6 are arranged in total, an upper platform plate 7 is hidden on the lower supporting bolts 6 through bolts 9, the height of the upper platform plate 7 can be controlled through adjusting the lower supporting bolts 6, then a bearing sleeve lower half seat 13 is welded on the upper platform plate 7, the bearing sleeve lower half seat 13 and a bearing sleeve upper half seat 19 are respectively provided with a bearing sleeve hinge sleeve 14, the two bearing sleeve hinge sleeves 14 are connected through a hinge shaft 15, the bearing sleeve upper half seat 19 can be opened or closed on the bearing lower half seat 13, a bearing 11 is arranged in the bearing sleeve 11, an inner sleeve 12 is arranged in the bearing sleeve 12, when the bearing sleeve upper half seat 19 is closed on the lower half seat 13, the bearing sleeve upper half seat 17 and the bearing sleeve upper half seat 17 penetrates through a hinge sleeve 17, and the bearing sleeve 17 is arranged on the bearing sleeve upper half seat 17 in sequence, and the bearing sleeve 17 is arranged on the bearing sleeve half seat 17.

Furthermore, in order to improve the stability of the support, a plurality of inclined support reinforcing pipes 3 are welded on the angle steel 2 of the lower beam, and the other ends of the inclined support reinforcing pipes 3 are welded at the bottom of the central bedplate 5, so that the angle between the inclined support reinforcing pipes 3 and the central bedplate 5 is ensured to be within the range of 40-50 degrees.

Further, in order to improve stability of the bearing housing lower half seat 13, two bottom angle pins 8 are symmetrically arranged on two sides of the bearing housing lower half seat 13, and each bottom angle pin 8 is welded with the upper platform plate 7 and the bearing housing lower half seat 13 respectively, so that stability of the bearing housing lower half seat 13 is improved.

Further, the hanging ring 20 is arranged on the bearing sleeve upper half seat 19, the hanging ring 20 is connected to the bearing sleeve upper half seat 19 through the hanging ring screw 10 in a threaded mode, and the bearing sleeve upper half seat 19 is opened or closed through the hanging ring 20, so that convenience in operation is improved.

Embodiment 2, which is described with reference to fig. 1-2, is a method for using a stand;

placing the mounted bracket at the tail of a lathe, keeping the bracket at a proper distance of more than 500mm from a lathe spindle box, ensuring that vibration of a workpiece is not generated during production and use, adjusting a lower support bolt 6 to enable the center line of a bearing inner sleeve 12 to be concentric with the center line of the lathe spindle, pressing the bearing inner sleeve 12 into a bearing 11, opening an upper half seat 19 of the bearing sleeve, lifting the workpiece to penetrate into an inner hole of the bearing inner sleeve 12, then loading the workpiece into the lathe spindle, inserting the workpiece into a proper size, closing the upper half seat 19 of the bearing sleeve on the lower half seat 13 of the bearing sleeve, then backing up a hinge bolt 17 and a hinge nut 18, finishing installation of the shaft workpiece, and finally processing the end part of the workpiece.

The present embodiment is only illustrative of the present patent and does not limit the scope of protection thereof, and those skilled in the art can also change the part thereof, which is within the scope of protection of the present patent without exceeding the spirit of the present patent.

Claims

1. A support, characterized in that: including lower beam angle steel (2), perpendicular branch pipe (4), central platen (5), upper platen (7), bearing (11), bearing inner race (12), bearing housing lower half seat (13) and bearing housing upper half seat (19), the one end of perpendicular branch pipe (4) is installed on lower beam angle steel (2), the other end and the central platen (5) of perpendicular branch pipe are established and are connected, be provided with a plurality of down bolt (6) on central platen (5), upper platen (7) are installed on lower bolt (6) through bolt (9), be provided with bearing housing lower half seat (13) on upper platen (7), bearing housing lower half seat (13) are articulated with bearing housing upper half seat (19), be provided with bearing (11) in bearing housing lower half seat (13) and the bearing housing upper half seat (19), be provided with bearing inner race (12) in bearing (11), bearing inner race (12) are used for installing axle class pipe class work piece.

2. A mount according to claim 1, wherein: the lower beam angle steel (2) is welded on the counterweight base (1).

3. A mount according to claim 2, wherein: the angle steel (2) of the lower beam is welded with an inclined support reinforcing pipe (3), the other end of the inclined support reinforcing pipe (3) is welded with the central bedplate (5), and the angle range between the inclined support reinforcing pipe (3) and the central bedplate (5) is 40-50 degrees.

4. A mount according to claim 1, wherein: two base angle pins (8) are symmetrically arranged on the central bedplate (5), the base angle pins (8) are symmetrically arranged on two sides of the lower half bearing seat (13) of the bearing sleeve, and each base angle pin (8) is welded with the central bedplate (5) and the lower half bearing seat (13) of the bearing sleeve respectively.

5. A mount according to claim 4, wherein: bearing seat hinge sleeves (14) are respectively arranged on the bearing sleeve lower half seat (13) and the bearing sleeve upper half seat (19), and the bearing seat hinge sleeves (14) of the bearing sleeve lower half seat (13) and the bearing sleeve upper half seat (19) are connected through hinge shafts (15).

6. A mount according to claim 5, wherein: hinge lugs (16) are respectively arranged on the bearing sleeve lower half seat (13) and the bearing sleeve upper half seat (19), the bearing sleeve lower half seat (13) is longitudinally aligned with the hinge lugs (16) on the bearing sleeve upper half seat (19), and the two hinge lugs (16) are connected through hinge bolts (17) and fixed through hinge nuts (18).

7. A mount according to claim 6, wherein: the bearing sleeve is characterized in that a hanging ring (20) is arranged on the bearing sleeve upper half seat (19), and the hanging ring (20) is connected with the bearing sleeve upper half seat (19) through a hanging ring screw (10).