Bearing outer ring assembling and lifting tool

Abstract

The utility model provides a hoisting tool for assembling a bearing outer ring. The hoisting tool comprises a hoisting ring and a plurality of bearing mechanisms, a plurality of threaded through holes parallel to the axis of the hoisting ring are formed in the hoisting ring, and a compression bolt is in threaded connection with the interior of each threaded through hole; the multiple bearing mechanisms are installed below the hoisting ring so as to support the bearing outer ring upwards. The outer ring of the bearing is compressed through the matching of the compression bolt and the bearing mechanism; the bearing outer ring can be effectively prevented from deforming in the axial direction; and hoisting and pressing are integrated, so that the assembly time of the bearing outer ring can be effectively shortened, and the problem in the aspect of assembly caused by shrinkage of swelling capacity due to cooling of the bearing seat is prevented. The operation steps of the tool are relatively simplified, the time for switching and adjusting the tool is shortened, workers can master and execute the tool more easily, and the working efficiency is improved; the functions of two tools are realized by one tool, so that the cost is saved; and the tool releases a certain plant space, so that layout and management of a production field are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing outer ring lifting, in particular to a bearing outer ring assembly lifting tool. Background Art

[0002] Since the press-fitting process of the TRB bearing outer ring takes a long time, the bearing seat will warm up, which will cause the bearing seat to shrink. As a result, the bearing outer ring will get stuck and tilted during the assembly process, and the bearing outer ring cannot be assembled normally.

[0003] Originally, a set of lifting equipment and a set of tooling were used to respectively realize the lifting and pressing functions of the TRB bearing outer ring. The bearing outer ring could not be quickly installed on the bearing seat for pressing and assembly, which caused the assembly process to take a long time, resulting in the temperature of the bearing seat to rise, affecting the normal pressing and assembly of the bearing outer ring, and even leading to repeated steps of heating, lifting, and pressing the bearing outer ring, affecting the bearing assembly cycle. Utility Model Content

[0004] In view of the above problems existing in the prior art, the technical problem to be solved by the utility model is that the existing TRB bearing outer ring assembly process is time-consuming, resulting in the temperature of the bearing seat rising, affecting the normal compression assembly of the bearing outer ring.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solution: a bearing outer ring assembly lifting tool, comprising:

[0006] A lifting ring, wherein a plurality of threaded through holes parallel to the axis of the lifting ring are formed on the lifting ring, and a clamping bolt is threadedly connected in each of the threaded through holes; and

[0007] A plurality of receiving mechanisms are installed below the lifting ring to support the outer ring of the bearing upward.

[0008] Preferably, the receiving mechanism comprises: a support seat and a boss; the support seat is fixedly installed below the lifting ring; the boss is slidably inserted on the support seat along the radial direction of the lifting ring.

[0009] Preferably, the supporting mechanism also includes: a limit plate and a threaded rod; the limit plate is fixedly mounted on one side of the boss close to the axis of the lifting ring, the threaded rod is arranged along the sliding direction of the boss, the threaded rod passes through the limit plate and is threadedly connected to the limit plate, and one end of the threaded rod is rotatably connected to the support seat.

[0010] Preferably, the receiving mechanism further comprises: a nut and a gasket; the thread is mounted on the threaded rod, and the gasket is sleeved on the threaded rod and is located between the nut and the limiting plate.

[0011] Preferably, the boss includes a receiving block, an abutting block and a strengthening block; one ends of the receiving block, the abutting block and the strengthening block are fixedly connected to the limiting plate; the length of the receiving block is greater than that of the abutting block, and the abutting block is fixedly installed on one side of the receiving block close to the lifting ring, the strengthening block is fixedly installed on one side of the receiving block away from the lifting ring, and the strengthening block is arranged perpendicular to the receiving block.

[0012] Preferably, it further includes a nylon block, and the nylon block is installed on one side of the support seat away from the axis of the lifting ring.

[0013] Preferably, the plurality of threaded through holes are arranged in a circular array with the axis of the lifting ring as the center.

[0014] Preferably, a plurality of lifting holes are formed in the lifting ring.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] 1. In the utility model, through the cooperation of the pressing bolt and the receiving mechanism, the outer ring of the bearing can be pressed tightly in this way; it can effectively prevent the outer ring of the bearing from deforming in the axial direction; and by integrating lifting and pressing into one, it can effectively shorten the assembly working hours of the outer ring of the bearing, and prevent problems in assembly caused by the shrinkage of the expansion amount due to the cooling of the bearing seat. When using this tooling for the outer ring of the TRB bearing, the operation steps are relatively simplified, the time for tooling switching and adjustment is reduced, it is easier for workers to master and execute, and the work efficiency is improved; one tooling realizes the functions of two toolings, saving costs; by adopting this tooling, a certain amount of factory space is released, which is convenient for the layout and management of the production site.

[0017] 2. In the utility model, the lifting ring is lifted to vertically insert a plurality of support seats into the outer ring of the bearing, and then the boss is slid so that the boss moves below the outer ring of the bearing and contacts the lower bottom surface of the outer ring of the bearing, so as to be able to lift the outer ring of the bearing upward; and by adjusting the sliding length of the convex edge, it can adapt to outer rings of bearings with different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model, the drawings required for the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts do not necessarily draw according to the actual ratio.

[0019] Figure 1 It is a three-dimensional view of a lifting tooling for assembling the outer ring of a bearing provided in an embodiment of the utility model.

[0020] Figure 2 It is a front view of the receiving mechanism provided in an embodiment of the utility model.

[0021] Reference numerals: 1 - lifting ring, 11 - threaded through - hole, 12 - lifting hole, 2 - support base, 3 - boss, 31 - receiving block, 32 - abutting block, 33 - strengthening block, 4 - limiting plate, 5 - threaded rod, 6 - nut, 7 - gasket, 8 - nylon block. Detailed implementation mode

[0022] The embodiments of the technical solution of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solution of the present utility model more clearly, so they are only examples and cannot be used to limit the protection scope of the present utility model.

[0023] In the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present utility model.

[0024] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] See Figure 1 - Figure 2 , the embodiment provided by the present utility model: a lifting tool for assembling the outer ring of a bearing, including: a lifting ring 1 and a plurality of receiving mechanisms; a plurality of threaded through - holes 11 parallel to the axis of the lifting ring 1 are opened on the lifting ring 1, and a pressing bolt is threadedly connected in each threaded through - hole 11; further, a plurality of lifting holes 12 are opened on the lifting ring 1; threads are provided in the lifting holes 12 for lifting the lifting ring 1; a plurality of receiving mechanisms are installed below the lifting ring 1 to support the outer ring of the bearing upward; further, the plurality of threaded through - holes 11 are arranged in a circular array with the axis of the lifting ring 1 as the center; thus, a pressing force can be evenly applied to the outer ring of the bearing through the pressing bolts.

[0026] During specific implementation, the bearing outer ring is supported upward by contacting the lower bottom surface of the bearing outer ring through the receiving mechanism, so as to support the bearing outer ring upward; the bearing outer ring can be lifted upward by hoisting the hoisting ring 1, and thus the bearing outer ring can be lifted through the receiving mechanism; then rotate a plurality of compression bolts so that the compression bolts contact the upper end surface of the bearing outer ring to provide a downward pressure on the bearing outer ring; through cooperation with the receiving mechanism, the bearing outer ring can be compressed in this way; it can effectively prevent the bearing outer ring from deforming in the axial direction; and by integrating hoisting and compression into one, the assembly time of the bearing outer ring can be effectively shortened, and problems in assembly caused by the shrinkage of the expansion amount due to the cooling of the bearing seat can be prevented. When using this tooling for the TRB bearing outer ring, the operation steps are relatively simplified, the time for tooling switching and adjustment is reduced, it is easier for workers to master and execute, and the work efficiency is improved; one tooling realizes the functions of two toolings, saving costs; by adopting this tooling, a certain amount of factory space is released, which is convenient for the layout and management of the production site.

[0027] See Figure 1 - Figure 2 , in other embodiments, the receiving mechanism includes: a support base 2 and a boss 3; the support base 2 is fixedly installed below the hoisting ring 1; the boss 3 is slidably inserted into the support base 2 along the radial direction of the hoisting ring 1. During specific implementation, hoist the hoisting ring 1 to vertically insert a plurality of support bases 2 into the bearing outer ring, and then slide the boss 3 so that the boss 3 moves below the bearing outer ring and contacts the lower bottom surface of the bearing outer ring, so as to be able to lift the bearing outer ring upward; and by adjusting the sliding length of the boss, the bearing outer ring of different sizes can be adapted.

[0028] See Figure 1 - Figure 2 , in other embodiments, the receiving mechanism further includes: a limiting plate 4 and a threaded rod 5; the limiting plate 4 is fixedly installed on one side of the boss 3 close to the axis of the hoisting ring 1, the threaded rod 5 is arranged along the sliding direction of the boss 3, the threaded rod 5 passes through the limiting plate 4 and is threadedly connected with the limiting plate 4, and one end of the threaded rod 5 is rotatably connected with the support base 2. During specific implementation, rotate the threaded rod 5 to adjust the position of the threaded rod 5 on the limiting plate 4, so as to be able to adjust the sliding position of the boss 3. Further, the receiving mechanism further includes: a nut 6 and a gasket 7; the nut 6 is threadedly installed on the threaded rod 5, the gasket 7 is sleeved on the threaded rod 5 and is located between the nut 6 and the limiting plate 4. Rotate the nut 6 so that the nut 6 abuts against the limiting plate 4 through the gasket 7, and the threaded rod 5 can be effectively locked in this way.

[0029] See Figure 1 - Figure 2, in other embodiments, the boss 3 includes: a receiving block 31, an abutting block 32, and a strengthening block 33; one ends of the receiving block 31, the abutting block 32, and the strengthening block 33 are fixedly connected to the limiting plate 4; the length of the receiving block 31 is greater than the length of the abutting block 32, and the abutting block 32 is fixedly installed on one side of the receiving block 31 close to the lifting ring 1, the strengthening block 33 is fixedly installed on one side of the receiving block 31 away from the lifting ring 1, and the strengthening block 33 is arranged perpendicular to the receiving block 31. During specific implementation, the receiving block 31 abuts against the lower bottom surface of the bearing outer ring to apply an upward force to the bearing outer ring; the abutting block 32 abuts against the inner side wall of the bearing outer ring to limit the bearing outer ring, effectively preventing the bearing outer ring from deforming due to temperature rise; and the strength of the receiving block 31 and the abutting block 32 is improved through the strengthening block 33; it can effectively prevent the receiving block 31 and the abutting block 32 from breaking.

[0030] See Figure 1 - Figure 2 , in yet another embodiment, a nylon block 8 is further included, and the nylon block 8 is installed on one side of the support base 2 away from the axis of the lifting ring 1. The nylon block 8 can prevent the bearing outer ring from contacting the support base 2 and provide heat insulation.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A lifting tool for assembling the outer ring of a bearing, characterized in that Comprising: A lifting ring, on which a plurality of threaded through holes parallel to the axis of the lifting ring are opened, and a pressing bolt is threadedly connected in each of the threaded through holes; And A plurality of receiving mechanisms, installed below the lifting ring to support the outer ring of the bearing upward.

2. The hoisting tooling for assembling the bearing outer ring according to claim 1, wherein The receiving mechanism includes: a support seat and a boss; the support seat is fixedly installed below the lifting ring; the boss is slidably inserted in the support seat along the radial direction of the lifting ring.

3. The lifting tooling for assembling the bearing outer ring according to claim 2, wherein, The receiving mechanism further includes: a limiting plate and a threaded rod; the limiting plate is fixedly installed on one side of the boss close to the axis of the lifting ring, the threaded rod is arranged along the sliding direction of the boss, the threaded rod penetrates through the limiting plate and is threadedly connected with the limiting plate, and one end of the threaded rod is rotatably connected with the support seat.

4. A lifting tool for assembling the outer ring of a bearing according to claim 3, characterized in that, The receiving mechanism further includes: a nut and a gasket; the nut is threadedly installed on the threaded rod, the gasket is sleeved on the threaded rod and is located between the nut and the limiting plate.

5. A hoisting tooling for assembling a bearing outer ring according to claim 3, characterized in that, The boss includes: a receiving block, an abutting block and a reinforcing block; one ends of the receiving block, the abutting block and the reinforcing block are fixedly connected with the limiting plate; the length of the receiving block is greater than the length of the abutting block, and the abutting block is fixedly installed on one side of the receiving block close to the lifting ring, the reinforcing block is fixedly installed on one side of the receiving block far from the lifting ring, and the reinforcing block is arranged perpendicular to the receiving block.

6. The hoisting tooling for assembling the bearing outer ring according to claim 2, wherein, It further includes a nylon block, and the nylon block is installed on one side of the support seat far from the axis of the lifting ring.

7. The lifting tooling for assembling and hoisting the bearing outer ring according to claim 1, characterized in that, The plurality of threaded through holes are arranged in a circular array with the axis of the lifting ring as the center.

8. The hoisting tooling for assembling the outer ring of a bearing according to claim 1, characterized in that, A plurality of lifting holes are opened on the lifting ring.

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