CN217781194U

CN217781194U - Mounting structure of gyration central vertical scroll

Info

Publication number: CN217781194U
Application number: CN202221731792.6U
Authority: CN
Inventors: 刘敏; 索婷; 冯卓
Original assignee: Sinosteel Xian Machinery Co Ltd
Current assignee: Sinosteel Xian Machinery Co Ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-11
Anticipated expiration: 2032-07-07

Abstract

The embodiment of the utility model discloses a mounting structure of a vertical shaft of a rotary center, which relates to the technical field of tapping machines and comprises a vertical shaft, a bearing, a rotating arm and a rotating arm frame; the rotating arm comprises a rotating arm cylinder positioned at the end part of the rotating arm, a vertical shaft is arranged in the rotating arm cylinder, and a bearing is arranged between the rotating arm cylinder and the vertical shaft; the vertical shaft is in interference fit with the inner ring of the bearing, and the inner ring of the rotary arm cylinder is also in interference fit with the outer ring of the bearing; the bottom end of the vertical shaft is provided with a flange, and one end of the flange is fixedly connected with the rotating arm frame and the vertical shaft; one end of the vertical shaft, which is far away from the flange, is provided with a limiting part integrated with the vertical shaft, and the limiting part is contacted with the bearing. The embodiment of the utility model provides a gyration center vertical scroll adopts integratively, and vertical scroll upper portion need not the bolt and closes, and the bottom adopts the flange to support, is difficult for droing, and equipment application safety factor is high, replaces the gland with the shaft shoulder, saves the weight of a gland, reduces manufacturing cost, and assembly process is simple, saves installation time, has improved production efficiency.

Description

Mounting structure of gyration central vertical scroll

Technical Field

The application relates to the technical field of taphole drilling machines, in particular to a mounting structure of a vertical shaft of a rotary center.

Background

The swing mechanism of the taphole drilling machine can realize the movement of the taphole drilling machine from a standby position to a working position, and a swing center vertical shaft is used as one of core parts of the swing mechanism and plays a key role in ensuring the normal operation of the taphole drilling machine.

However, the bottom of the conventional vertical shaft of the rotary center is suspended without support, and has a large weight, and the rotary center is in risk of being dragged off from the rotary center in the use process, so that the development of the vertical shaft of the rotary center capable of ensuring the stable operation of the rotary mechanism is very important.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a through providing a mounting structure of centre of turning vertical scroll, solve centre of turning vertical scroll bottom among the prior art and hang and do not have the support, and weight is great, has the problem of the risk of dragging from centre of turning in the use, the utility model provides an centre of turning vertical scroll adopts integratively, and vertical scroll upper portion need not the bolt and closes, and the flange support is adopted to the bottom, is difficult for droing, and equipment use safety coefficient is high, replaces the gland with the shaft shoulder, saves the weight of a gland, reduces manufacturing cost, and assembly process is simple, saves installation time, has improved production efficiency.

The embodiment of the utility model provides a mounting structure of a vertical shaft of a rotation center, which comprises a vertical shaft, a bearing, a rotating arm and a rotating arm frame;

the rotating arm comprises a rotating arm cylinder positioned at the end part of the rotating arm, a vertical shaft is arranged in the rotating arm cylinder, and a bearing is arranged between the rotating arm cylinder and the vertical shaft;

the vertical shaft is in interference fit with the inner ring of the bearing, and the inner ring of the rotary arm cylinder is in interference fit with the outer ring of the bearing;

a flange is arranged at the bottom end of the vertical shaft, and one end of the flange is fixedly connected with the rotary arm frame and the vertical shaft; and one end of the vertical shaft, which is far away from the flange, is provided with a limiting part integrated with the vertical shaft, and the limiting part is in contact with the bearing.

In a possible implementation, two annular grooves are provided at the edge portions of both ends of the axial position of the rotating arm cylinder, and a bearing is provided in each annular groove.

In a possible implementation manner, the flange is connected with the rotating arm frame through a plurality of first bolts, and the flange is fixedly connected with the vertical shaft through a plurality of second bolts.

In a possible implementation manner, the flange includes a protruding ring, an inner ring of the protruding ring is in contact with a periphery of the vertical shaft, and an outer ring of the protruding ring is in contact with the rotating arm frame.

In a possible implementation manner, the gap between the limiting part and the rotating arm support is 0.08-0.2 mm.

In a possible implementation manner, the radial surface of the bearing is higher than the radial surface of the rotating arm cylinder, the limiting part is directly contacted with the radial surface of the bearing, and the gap between the radial surface of the rotating arm cylinder and the rotating arm frame is 4-6mm.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

the embodiment of the utility model provides a through having adopted and set up the vertical scroll in the rocking arm barrel of rocking arm, be equipped with the bearing between vertical scroll and the rocking arm barrel, the inner circle interference fit of vertical scroll and bearing, also be interference fit between the inner circle of rocking arm barrel and the outer lane of bearing, the bottom of vertical scroll is equipped with the flange, the one end and the commentaries on classics arm frame and the vertical scroll fixed connection of flange, it does not have the support to hang in the centre of gyration vertical scroll bottom effectively to have solved, and weight is great, there is the risk of dragging from the centre of gyration in the use, it adopts integratively to have realized the centre of gyration vertical scroll, vertical scroll upper portion need not the bolt handle and closes, the bottom adopts the flange to support, be difficult for droing, equipment use factor of safety is high, replace the gland with the shaft shoulder, save the weight of a gland, and the manufacturing cost is reduced, assembly process is simple, save installation time, and production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of a mounting structure for a vertical shaft of a swivel center.

Icon: 1-a vertical shaft; 11-a limiting part; 2-a bearing; 3-rotating arm; 31-a tumbler cylinder; 4-rotating the arm support; 5-a flange; 51-raised circles; 6-a first bolt; 7-second bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, the embodiment of the present invention discloses a mounting structure of a vertical shaft of a turning center, which comprises a vertical shaft 1, a bearing 2, a turning arm 3 and a turning arm frame 4;

the rotating arm 3 comprises a rotating arm cylinder 31 positioned at the end part of the rotating arm 3, a vertical shaft 1 is arranged in the rotating arm cylinder 31, and a bearing 2 is arranged between the rotating arm cylinder 31 and the vertical shaft 1;

the vertical shaft 1 is in interference fit with the inner ring of the bearing 2, and the inner ring of the tumbler cylinder 31 is also in interference fit with the outer ring of the bearing 2; a flange 5 is arranged at the bottom end of the vertical shaft 1, and one end of the flange 5 is fixedly connected with the rotating arm frame 4 and the vertical shaft 1; one end of the vertical shaft 1 far away from the flange 5 is provided with a limiting part 11 integrated with the vertical shaft 1, and the limiting part 11 is contacted with the bearing 2.

In the prior art, the upper part of a vertical shaft 1 is combined with a gland through a bolt, the bottom of the vertical shaft is suspended, once the bolt is broken in the actual use process, the vertical shaft 1 is easy to fall off, so that the swing mechanism cannot work normally, and the production is influenced, the bottom of the embodiment of the utility model adopts a flange 5 for supporting, is not easy to fall off, has high safety factor for equipment use, effectively solves the problems that the bottom of the vertical shaft 1 of a rotation center is suspended without support, has large weight, has the risk of falling off from the rotation center in the use process, realizes that the vertical shaft 1 of the rotation center adopts an integral type, the upper part of the vertical shaft 1 is not required to be combined through the bolt, has low possibility of falling off due to the adoption of the flange 5 for supporting, and has high safety factor for equipment use; the limiting part 11 can prevent the bearing 2 from axially moving, the vertical shaft 1 of the rotation center adopts the design of the integral shaft shoulder (the limiting part 11), the upper part of the vertical shaft 1 does not need to be closed by a bolt, and the shaft shoulder (the limiting part 11) integrated with the vertical shaft 1 is used, so that the manufacturing cost is reduced, the assembly process is simple, the installation time is saved, and the production efficiency is improved.

Optionally, two annular grooves are formed in the edge portions of the two ends of the axial position of the rotating arm cylinder 31, a bearing 2 is arranged in each annular groove, and the annular grooves have a certain limiting effect on the bearings 2.

Optionally, the flange 5 is connected to the jib 4 by a plurality of first bolts 6, and the flange 5 is fixedly connected to the vertical shaft 1 by a plurality of second bolts 7. The flange 5 is connected with the rotating arm frame 4 and the vertical shaft 1 in a simple mode, the rotation of the bearing 2 cannot be influenced, the second bolt 7 can prevent the vertical shaft 1 from rotating, the whole principle is that the rotating arm frame 4 is fixed, the rotating arm frame 4 and the rotating arm 3 are connected together through the vertical shaft 1, the bearing 2 and the like of a rotation center, and then the rotation oil cylinder pushes the rotating arm 3 to perform rotation motion.

Optionally, the flange 5 includes a protruding ring 51, an inner ring of the protruding ring 51 contacts with the periphery of the vertical shaft 1, an outer ring of the protruding ring 51 contacts with the rotating arm frame 4, and the protruding ring 51 is clamped between the rotating arm frame 4 and the vertical shaft 1, so that the mounting reliability of the flange 5 is enhanced.

Optionally, the clearance between the limiting portion 11 and the rotating arm frame 4 is 0.08-0.2mm, and the clearance fit is caused by the fact that the vertical shaft 1 needs to be rotationally aligned with the hole of the second bolt 7 when being installed, so that a clearance needs to be left, and if the clearance is too large, the verticality of the vertical shaft 1 is changed (the vertical shaft 13 can be inclined), so that the rotating arm 3 rotates out of level, the stress distribution of the bearing 2 is not balanced, the bearing 2 can be easily damaged, and the operation stability of the whole slewing mechanism is influenced, so that the clearance between the limiting portion 11 and the rotating arm frame 4 is selected to be 0.08-0.2mm most suitably.

Alternatively, the radial surface of the bearing 2 is higher than the radial surface of the rotating arm cylinder 31, so that the limiting part 11 directly contacts with the radial surface of the bearing 2, the gap between the radial surface of the rotating arm cylinder 31 and the rotating arm frame 4 is 4-6mm, and if the gap is too large, which means that the bearing 2 is not pressed, the gap between the bearing 2 is too large, abnormal noise may occur during the rotation of the whole rotating mechanism, and the service life of the bearing 2 is affected, so that the gap between the radial surface of the rotating arm cylinder 31 and the rotating arm frame 4 is 4-6mm, which can ensure the bearing 2 to be pressed.

The embodiment of the utility model provides a theory of operation is: the rotary arm frame 4 is a fixed immovable part, the vertical shaft 1 and the rotary arm frame 4 are combined and fixed into a whole through a first bolt 6, the flange 5 and the rotary arm frame 4 are combined and fixed into a whole through a second bolt 7, the inner ring of the bearing 2 and the vertical shaft 1 are subjected to bearing hot assembly to realize interference assembly, the rotary arm 3 and the outer ring of the bearing 2 are subjected to bearing hot assembly to realize interference assembly, the clearance of the bearing 2 is adjusted after the vertical shaft 1, the bearing 2 and the rotary arm 3 are assembled, the bearing 2 drives the rotary arm 3 to flexibly rotate around the rotary central vertical shaft 1, and the shaft shoulder at the upper end of the vertical shaft 1 can play a role in fixing the inner ring of the bearing 2 to prevent the bearing 2 from moving along the axial direction. When the vertical shaft 1 is installed or disassembled, the vertical shaft 1 can be put in or taken out only by fixing the rotating arm 3 and screwing down or disassembling the first bolt 6, and the operation is simple and convenient.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims

1. A mounting structure of a vertical shaft of a rotation center is characterized by comprising a vertical shaft (1), a bearing (2), a rotating arm (3) and a rotating arm frame (4);

the rotating arm (3) comprises a rotating arm cylinder (31) positioned at the end part of the rotating arm (3), a vertical shaft (1) is arranged in the rotating arm cylinder (31), and a bearing (2) is arranged between the rotating arm cylinder (31) and the vertical shaft (1);

the vertical shaft (1) is in interference fit with the inner ring of the bearing (2), and the inner ring of the rotating arm cylinder (31) is in interference fit with the outer ring of the bearing (2);

a flange (5) is arranged at the bottom end of the vertical shaft (1), and one end of the flange (5) is fixedly connected with the rotating arm support (4) and the vertical shaft (1);

one end of the vertical shaft (1), which is far away from the flange (5), is provided with a limiting part (11) which is integrated with the vertical shaft (1), and the limiting part (11) is in contact with the bearing (2).

2. A mounting arrangement for a vertical axis of rotation according to claim 1 characterised in that the tumbler cylinder (31) is provided with two annular grooves at the edge portions at both axial ends, each of said grooves being provided with a bearing (2).

3. A mounting arrangement for a swivel centre vertical shaft according to claim 1, characterised in that the flange (5) is connected to the swivel arm support (4) by a number of first bolts (6), and the flange (5) is fixedly connected to the vertical shaft (1) by a number of second bolts (7).

4. A mounting arrangement for a swivel centre vertical shaft according to claim 1, characterised in that the flange (5) comprises a protruding ring (51), the inner ring of the protruding ring (51) being in contact with the periphery of the vertical shaft (1), the outer ring of the protruding ring (51) being in contact with the swivel arm support (4).

5. A mounting structure for a vertical shaft of a swivel centre according to claim 1, characterised in that the clearance between the limiting part (11) and the swivel arm support (4) is between 0.08 and 0.2 mm.

6. A mounting arrangement for a vertical shaft of a swivel centre according to claim 1, characterised in that the radial surface of the bearing (2) is higher than the radial surface of the tumbler cylinder (31), that the limit stop (11) is in direct contact with the radial surface of the bearing (2), and that the clearance between the radial surface of the tumbler cylinder (31) and the tumbler frame (4) is 4-6mm.