CN219582703U

CN219582703U - Special frock of high-speed shaft bearing installation

Info

Publication number: CN219582703U
Application number: CN202320649780.7U
Authority: CN
Inventors: 林志业; 范云明; 宋宇范
Original assignee: Tangshan Dunshi Construction Engineering LLC
Current assignee: Tangshan Dunshi Construction Engineering LLC
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-25
Anticipated expiration: 2033-03-29

Abstract

The utility model belongs to the technical field of machine manufacturing, and discloses a special fixture for installing a high-speed shaft bearing. The first clamping plate comprises a first limiting part and a first bearing part which are connected in an angle; the second splint is including being the spacing portion of angle connection's second and second supporting portion, and the both ends of the spacing portion of second are connected in the both ends of first spacing portion respectively, and first spacing portion and the spacing portion of second enclose to establish and form the bearing accommodation space, and the size in bearing accommodation space is adjustable, and second supporting portion is central symmetry setting for the geometric center in bearing accommodation space with first supporting portion, and first supporting portion and second supporting portion are configured to be used for bearing the outer lane of waiting to install the bearing. The special fixture for mounting the high-speed shaft bearing can ensure that the bearing is smoothly, efficiently and safely mounted on the bearing position on the shaft, and can not damage the shaft or the bearing, and has strong universality and good portability.

Description

Special frock of high-speed shaft bearing installation

Technical Field

The utility model relates to the technical field of machine manufacturing, in particular to a special tool for installing a high-speed shaft bearing.

Background

The bearing is an important part in mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing friction coefficient in the motion process and ensuring the rotation precision. The shaft is a cylindrical object penetrating through the middle of the bearing, the middle of the wheel or the middle of the gear, and is a mechanical part for supporting the rotating part and rotating together with the rotating part to transmit motion, torque or bending moment. Typically in the form of a metal round rod, the segments may have different diameters. The parts of the machine that are in rotary motion are mounted on shafts.

In the process of installing the bearings on the shafts of some large-scale mechanical equipment, the carrying of the bearings in the assembly process is difficult because part of the bearings have larger weight or longer length of the shafts; meanwhile, the hanging strip of the lifting device is difficult to connect with the bearing, and the assembly is inconvenient.

Currently, the main current installation method in the industry is to hoist the bearing by a method of binding the bearing by steel wires, and the hoisting method needs to pass the steel wires through the position of a bearing retainer so as to bind the outer ring of the bearing. In the process of threading the steel wire, damage to the bearing rolling bodies and the rollaway nest is likely to happen, and the safety and the reliability are poor. In addition, because the bearing rocks and can lead to the axiality of bearing inner race and outer lane to take place the skew in the bearing installation, and then make the bearing card unable continuous whereabouts installation on the axle, influence the efficiency of construction, reduce the construction standard.

Disclosure of Invention

The utility model aims to provide a special fixture for mounting a high-speed shaft bearing, which can ensure that the bearing is smoothly, efficiently and safely mounted on a bearing position on a shaft, cannot damage the shaft or the bearing, and has strong universality and good portability.

To achieve the purpose, the utility model adopts the following technical scheme:

a tooling special for high-speed shaft bearing installation, comprising:

the first clamping plate comprises a first limiting part and a first bearing part which are connected in an angle;

the second splint, the second splint is including being the spacing portion of angle connection's second and second supporting portion, the both ends of the spacing portion of second connect respectively in the both ends of first spacing portion, first spacing portion with the spacing portion of second encloses to establish and forms the bearing accommodation space, the size of bearing accommodation space is adjustable, the second supporting portion with first supporting portion for the geometric center in bearing accommodation space is central symmetry setting, first supporting portion with second supporting portion is configured to be used for bearing the outer lane of waiting to install the bearing.

Optionally, the first limiting part is in an L-shaped plate structure, one end of the first limiting part is provided with a plurality of first bolt holes, and the other end of the first limiting part is provided with a first plugboard;

the second limiting part is of an L-shaped plate structure, one end of the second limiting part is provided with a plurality of second bolt holes, and the other end of the second limiting part is provided with a second plugboard;

the second plugboard can be inserted into any one of the first plugholes, the first plugboard is inserted into the corresponding second plughole, the first limiting part and the second limiting part are spliced to form a rectangular frame-shaped structure, and the inner side of the rectangular frame-shaped structure is the bearing accommodating space.

Optionally, the first supporting part is in an L-shaped plate structure, and is matched with the shape of the first limiting part and connected to the bottom of the first limiting part;

the second bearing portion is of an L-shaped plate structure, is matched with the shape of the second limiting portion, and is connected to the bottom of the second limiting portion.

Optionally, the first supporting portion includes a first plate and a second plate, the first plate is connected to one side of the first limiting portion where the first bolt hole is formed, the length of the first plate is not greater than the side length of one side of the first limiting portion where the first bolt hole is formed, the second plate is connected to the other side of the first limiting portion, and the length of the second plate is smaller than the distance from the first plugboard to the corner of the first limiting portion;

the second bearing portion comprises a third plate and a fourth plate, the third plate is connected to the second limiting portion, one side of the second bolt hole is formed in the second limiting portion, the length of the third plate is not larger than the side length of one side of the second bolt hole, the fourth plate is connected to the other side of the second limiting portion, and the length of the fourth plate is smaller than the distance from the second inserting plate to the corner of the second limiting portion.

Optionally, the first plate and the third plate are centrosymmetric with respect to a geometric center of the bearing accommodating space, and the second plate and the fourth plate are centrosymmetric with respect to a geometric center of the bearing accommodating space.

Optionally, the first clamping plate further comprises a first lifting part, the second clamping plate further comprises a second lifting part, the first lifting part and the second lifting part are arranged in a central symmetry manner relative to the geometric center of the bearing accommodating space, and the first lifting part and the second lifting part are configured to be connected to lifting equipment.

Optionally, the first hoisting part is arranged at the corner of the first limiting part and is fixedly connected with the first bearing part;

the second hoisting part is arranged at the corner of the second limiting part and is fixedly connected with the second bearing part.

Optionally, the first limiting part is perpendicular to the first bearing part; and/or the number of the groups of groups,

the second limiting part is perpendicular to the second bearing part.

Optionally, the first limiting part and the first bearing part are welded and connected; and/or the number of the groups of groups,

the second limiting part is connected with the second bearing part in a welding way.

Optionally, the first limiting part and the first bearing part are of an integrally formed structure; and/or the number of the groups of groups,

the second limiting part and the second bearing part are of an integrated structure.

The utility model has the beneficial effects that:

according to the special fixture for installing the high-speed shaft bearing, the bearing is clamped and moved through the first clamping plate and the second clamping plate, so that the bearing is installed on the bearing position on the shaft. Specifically, the first clamping plate comprises a first limiting part and a first bearing part which are connected in an angle; the second clamping plate comprises a second limiting part and a second supporting part which are connected in an angle manner, two ends of the second limiting part are respectively connected with two ends of the first limiting part, a bearing accommodating space is formed by surrounding the first limiting part and the second limiting part, and the size of the bearing accommodating space is adjustable. That is, through the size of adjusting bearing accommodation space, can make this special frock of high-speed shaft bearing installation be applicable to the installation of the bearing of different external diameters, the commonality is strong. The second bearing portion and the first bearing portion are arranged in a central symmetry mode relative to the geometric center of the bearing accommodating space, and the first bearing portion and the second bearing portion are configured to bear an outer ring of the bearing to be installed. The second supporting portion is used for supporting the bearing with first supporting portion, can guarantee the security of bearing removal in-process. The special fixture for mounting the high-speed shaft bearing can enable the bearing to be smoothly, efficiently and safely mounted in the bearing position on the shaft, and cannot damage the shaft or the bearing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic structural diagram of a tooling special for installing a high-speed shaft bearing according to an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a tooling special for installing a high-speed shaft bearing provided by the embodiment of the utility model;

fig. 3 is a top view of a tooling special for installing a high-speed shaft bearing provided by the embodiment of the utility model.

In the figure:

100. a bearing to be installed;

1. a first clamping plate; 11. a first limit part; 111. a first pin hole; 112. a first plugboard; 12. a first support part; 13. a first hoisting part;

2. a second clamping plate; 21. a second limit part; 211. a second pin hole; 212. a second plugboard; 22. a second supporting part; 23. and a second hoisting part.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The embodiment provides a special fixture for installing a high-speed shaft bearing, which is used for installing the bearing on a bearing position on a shaft. Specifically, as shown in fig. 1 and 2, the fixture special for mounting the high-speed shaft bearing comprises a first clamping plate 1 and a second clamping plate 2.

The first clamping plate 1 comprises a first limiting part 11 and a first bearing part 12 which are connected in an angle manner, and the second clamping plate 2 comprises a second limiting part 21 and a second bearing part 22 which are connected in an angle manner. The two ends of the second limiting part 21 are respectively connected to the two ends of the first limiting part 11, the first limiting part 11 and the second limiting part 21 are enclosed to form a bearing accommodating space, and the size of the bearing accommodating space is adjustable. That is, through the size of adjusting bearing accommodation space, can make this special frock of high-speed shaft bearing installation be applicable to the installation of the bearing of different external diameters, the commonality is strong. Specifically, in this embodiment, the bearing accommodation space of this special frock of high-speed shaft bearing installation can be adapted to the bearing of all models that the external diameter is 290-600mm on the market, need not the frequent instrument of changing of operating personnel, is favorable to improving the installation effectiveness of bearing.

Meanwhile, the second supporting portion 22 and the first supporting portion 12 are disposed in a central symmetry manner with respect to the geometric center of the bearing accommodating space, and the first supporting portion 12 and the second supporting portion 22 are configured to carry an outer ring of the bearing 100 to be mounted. The second supporting portion 22 and the first supporting portion 12 are used for supporting the bearing 100 to be mounted, so that safety of the bearing 100 to be mounted in the moving process can be ensured. And be convenient for the operating personnel to align the inner circle of treating the installation bearing 100 with the outer lane of axle, make treat the installation bearing 100 can be smooth, high-efficient and the epaxial bearing position of packing into safely, and can not cause the damage to axle or bearing.

Specifically, as shown in fig. 2 and 3, the first limiting portion 11 has an L-shaped plate structure, one end of the first limiting portion 11 is provided with a plurality of first pin holes 111, and the other end of the first limiting portion 11 is provided with a first insert plate 112. The second limiting portion 21 is of an L-shaped plate structure, one end of the second limiting portion 21 is provided with a plurality of second bolt holes 211, and the other end of the second limiting portion 21 is provided with a second plugboard 212. That is, in the present embodiment, the first limiting portion 11 and the second limiting portion 21 are both L-shaped, the second insert plate 212 can be inserted into any one of the first insert pin holes 111, the first insert plate 112 is inserted into the corresponding second insert pin hole 211, the first limiting portion 11 and the second limiting portion 21 can be spliced to form a rectangular frame structure, and the inner side of the rectangular frame structure is the bearing accommodating space. The adjustment of the size of the bearing accommodating space can be realized by adjusting the position of the first pin hole 111 inserted by the first inserting plate 112 and simultaneously adjusting the position of the second pin hole 211 inserted by the second inserting plate 212, and when the inner walls of the first limiting part 11 and the second limiting part 21 are attached to the side wall of the bearing 100 to be mounted, the bearing 100 to be mounted is clamped between the first limiting part 11 and the second limiting part 21.

More specifically, the first supporting portion 12 has an L-shaped plate structure, and the first supporting portion 12 is matched with the shape of the first limiting portion 11 and is connected to the bottom of the first limiting portion 11. The second supporting portion 22 is in an L-shaped plate structure, the second supporting portion 22 is matched with the shape of the second limiting portion 21, and is connected to the bottom of the second limiting portion 21. The first supporting part 12 and the second supporting part 22 support the outer ring of the bearing 100 to be installed when the first limiting part 11 and the second limiting part 21 clamp the bearing to be installed, so that the bearing 100 to be installed is prevented from falling off when the special tool for installing the high-speed shaft bearing moves, and parts are damaged or operators are injured by smashing.

More specifically, in the present embodiment, the first limiting portion 11 is perpendicular to the first supporting portion 12, so that the first limiting portion 11 and the first supporting portion 12 are more convenient to be attached to the side surface and the outer ring bottom surface of the bearing 100 to be mounted respectively. Correspondingly, the second limiting part 21 is perpendicular to the second supporting part 22.

Further, with continued reference to fig. 3, the first receiver 12 includes a first plate and a second plate. The first plate is connected to one side of the first limiting portion 11 where the first bolt hole 111 is formed, and the length of the first plate is not greater than the side length of one end of the first limiting portion 11 where the first bolt hole 111 is formed. The first plate can improve the structural strength of the first stopper portion 11 at one end where the first bolt hole 111 is formed. The second plate is connected to the other side of the first limiting portion 11, and the length of the second plate is smaller than the distance from the first insertion plate 112 to the corner of the first limiting portion 11. The second plate can avoid interference with the second stopper 21 when the first insertion plate 112 is inserted into the second insertion hole 211. Accordingly, the second bearing 22 includes a third plate and a fourth plate. The third plate is connected to one side of the second limiting portion 21 where the second bolt hole 211 is formed, and the length of the third plate is not greater than the side length of one side of the second limiting portion 21 where the second bolt hole 211 is formed. The third plate can improve the structural strength of the second stopper 21 at one end where the second bolt hole 211 is formed. The fourth plate is connected to the other side of the second limiting portion 21, and the length of the fourth plate is smaller than the distance from the second insert plate 212 to the corner of the second limiting portion 21. The fourth plate can avoid interference with the first stopper 11 when the second insertion plate 212 is inserted into the first insertion hole 111.

Preferably, the first plate and the third plate are centered with respect to the geometric center of the bearing housing space, and the second plate and the fourth plate are centered with respect to the geometric center of the bearing housing space. In this embodiment, the first clamping plate 1 and the second clamping plate 2 have the same structure, which is convenient for processing and manufacturing.

Optionally, with continued reference to fig. 1-3, in order to facilitate the transportation of the bearing 100 to be mounted by the fixture dedicated for high-speed shaft bearing mounting, the first clamping plate 1 further includes a first lifting portion 13, and the second clamping plate 2 further includes a second lifting portion 23. The first and second lifting portions 13 and 23 are arranged in central symmetry with respect to the geometric center of the bearing accommodation space, and the first and second lifting portions 13 and 23 are configured to be connected to a lifting device. By means of the arrangement, stability of the high-speed shaft bearing during lifting of the special tool for installing the high-speed shaft bearing can be guaranteed, and safety and reliability of the bearing 100 to be installed in the transferring process are improved.

Specifically, the first hoisting portion 13 is disposed at a corner of the first limiting portion 11 and is fixedly connected to the first supporting portion 12. The second hoisting part 23 is arranged at the corner of the second limiting part 21 and is fixedly connected with the second bearing part 22. In the present embodiment, the first hoisting portion 13 is a nut welded to the first supporting portion 12, and the second hoisting portion 23 is a nut welded to the second supporting portion 22. After the bearing 100 to be installed is positioned on the special tool for installing the high-speed shaft bearing, the lifting lug is in threaded connection with the nut, and then the lifting lug is connected with the lifting device through the hanging belt, so that the lifting and transporting of the special tool for installing the high-speed shaft bearing can be realized.

Alternatively, in the present embodiment, the first limiting portion 11 and the first supporting portion 12 are welded; and/or the second limiting part 21 and the second bearing part 22 are welded and connected. The parts are welded and fixed by 8mm steel plates, the structure is firm and durable, and the load demand of the maximum bearing can be met. Of course, in other embodiments, the first limiting portion 11 and the first supporting portion 12 may be integrally formed; and/or the second limiting part 21 and the second supporting part 22 are of an integrated structure, so that the processing and the manufacturing are facilitated, and the production time is shortened.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Special frock of high-speed shaft bearing installation, its characterized in that includes:

the first clamping plate (1), the first clamping plate (1) comprises a first limiting part (11) and a first bearing part (12) which are connected in an angle;

the second splint (2), second splint (2) are including being the spacing portion (21) of second and second supporting portion (22) of angle connection, the both ends of second spacing portion (21) connect respectively in the both ends of first spacing portion (11), first spacing portion (11) with establish around second spacing portion (21) and form bearing accommodation space, bearing accommodation space's size is adjustable, second supporting portion (22) with first supporting portion (12) are central symmetry setting for bearing accommodation space's geometric center, first supporting portion (12) with second supporting portion (22) are configured to be used for bearing the outer lane of waiting to install bearing (100).

2. The tooling special for installing the high-speed shaft bearing according to claim 1, wherein the first limiting part (11) is of an L-shaped plate structure, one end of the first limiting part (11) is provided with a plurality of first bolt holes (111), and the other end of the first limiting part (11) is provided with a first plugboard (112);

the second limiting part (21) is of an L-shaped plate structure, one end of the second limiting part (21) is provided with a plurality of second bolt holes (211), and the other end of the second limiting part (21) is provided with a second plugboard (212);

the second plugboard (212) can be inserted into any one of the first plugboard pin holes (111), the first plugboard (112) is inserted into the corresponding second plugboard pin hole (211), the first limiting part (11) and the second limiting part (21) are spliced to form a rectangular frame-shaped structure, and the inner side of the rectangular frame-shaped structure is the bearing accommodating space.

3. The tooling special for installing the high-speed shaft bearing according to claim 2, wherein the first supporting part (12) is of an L-shaped plate structure, the first supporting part (12) is matched with the shape of the first limiting part (11) and is connected to the bottom of the first limiting part (11);

the second bearing part (22) is of an L-shaped plate structure, the second bearing part (22) is matched with the shape of the second limiting part (21), and is connected to the bottom of the second limiting part (21).

4. A high-speed shaft bearing mounting special fixture according to claim 3, wherein the first supporting part (12) comprises a first plate and a second plate, the first plate is connected to one side of the first limiting part (11) where the first bolt hole (111) is formed, the length of the first plate is not greater than the side length of the first limiting part (11) where the first bolt hole (111) is formed, the second plate is connected to the other side of the first limiting part (11), and the length of the second plate is smaller than the distance from the first plugboard (112) to the corner of the first limiting part (11);

the second bearing portion (22) comprises a third plate and a fourth plate, the third plate is connected to the second limiting portion (21) and is provided with one side of the second bolt hole (211), the length of the third plate is not greater than the length of the second limiting portion (21) and is provided with one side of the second bolt hole (211), the fourth plate is connected to the other side of the second limiting portion (21), and the length of the fourth plate is smaller than the distance from the second inserting plate (212) to the corner of the second limiting portion (21).

5. The tooling special for installing the high-speed shaft bearing according to claim 4, wherein the first plate and the third plate are centrosymmetric with respect to the geometric center of the bearing accommodating space, and the second plate and the fourth plate are centrosymmetric with respect to the geometric center of the bearing accommodating space.

6. A high-speed shaft bearing mounting special fixture according to claim 3, characterized in that the first clamping plate (1) further comprises a first hoisting part (13), the second clamping plate (2) further comprises a second hoisting part (23), the first hoisting part (13) and the second hoisting part (23) are arranged in a central symmetry manner relative to the geometric center of the bearing accommodating space, and the first hoisting part (13) and the second hoisting part (23) are configured to be connected to hoisting equipment.

7. The tooling special for installing the high-speed shaft bearing according to claim 6, wherein the first hoisting part (13) is arranged at the corner of the first limiting part (11) and fixedly connected with the first supporting part (12);

the second hoisting part (23) is arranged at the corner of the second limiting part (21) and fixedly connected with the second bearing part (22).

8. The tooling special for installing the high-speed shaft bearing according to claim 1, wherein the first limiting part (11) is perpendicular to the first supporting part (12); and/or the number of the groups of groups,

the second limiting part (21) is perpendicular to the second supporting part (22).

9. The tooling special for installing the high-speed shaft bearing according to any one of claims 1 to 8, wherein the first limiting part (11) and the first supporting part (12) are connected by welding; and/or the number of the groups of groups,

the second limiting part (21) is welded with the second bearing part (22).

10. The tooling special for installing the high-speed shaft bearing according to any one of claims 1 to 8, wherein the first limiting part (11) and the first supporting part (12) are of an integrally formed structure; and/or the number of the groups of groups,

the second limiting part (21) and the second supporting part (22) are of an integrated structure.