A lifting tool for rolling bearing installation

Abstract

The application discloses a lifting tool for rolling bearing installation and belongs to the technical field of assembly tools. The lifting disc is a circular ring body with an L-shaped cross section, a rolling bearing is placed on the horizontal plate of the lifting disc, and the lifting disc is used for supporting the inner ring of the rolling bearing; a guide sleeve is sleeved on the outer side of the outer ring of the rolling bearing; the upper end surface of the lifting disc is fixedly connected with a pressing plate, the upper end of the lifting disc is connected with a main lifting ring through a connecting mechanism, and a level is arranged on the connecting mechanism. The application reduces the risk that the rolling bearing is stuck in the inner hole of the shell and the risk that the rolling bearing is damaged due to collision with the shell caused by the inclination of the bearing during the rolling bearing installation, and is suitable for the installation of a larger and heavier bearing outer diameter and a shell inner hole through smaller gap cooperation. Meanwhile, different sizes of the lifting disc can be replaced according to the size of the installed rolling bearing, so that the production and assembly are no longer limited by the size of the installed bearing.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of hoisting tool for rolling bearing installation, belong to assembly tool technical field. BACKGROUND

[0002] In prior art, when installing rolling bearing into housing inner hole, manual assembly is carried out by artificial. If the fitting clearance between rolling bearing and housing inner hole is larger when assembling, rolling bearing can be easily and smoothly installed into housing inner hole. But when the fitting clearance between the two is smaller, bearing often gets stuck in housing inner hole and cannot be installed in place and easily taken out due to slight tilt during assembly, thereby affecting product quality and production efficiency. SUMMARY

[0003] To solve the problems in the background art, the present application provides a kind of hoisting tool for rolling bearing installation.

[0004] To achieve the above-mentioned object, the present application adopts the following technical solution: a kind of hoisting tool for rolling bearing installation, including lifting tray, guide sleeve, main lifting ring, pressing plate, level and connecting mechanism;The lifting tray is the circular ring body with L-shaped cross section, and the rolling bearing is placed on the horizontal plate of the lifting tray, and the lifting tray is used to support the inner ring of the rolling bearing;The outer side of the outer ring of the rolling bearing is sleeved with guide sleeve;The upper end surface of the lifting tray is fixedly connected with the pressing plate, and the upper end of the lifting tray is connected with the main lifting ring through the connecting mechanism, and the connecting mechanism is provided with a level.

[0005] Compared with the prior art, the present application has the following advantages:

[0006] 1、The relative length of the threaded lifting ring and the threaded lifting hook can be adjusted to level the rolling bearing hoisted horizontally, and the level installed on the connecting barrel is used to confirm whether the bearing has been leveled, which reduces the risk of bearing sticking in the housing inner hole and damage to the bearing and the housing due to the inclination of the bearing during rolling bearing installation, and is suitable for the installation of larger and heavier bearing outer diameter and housing inner hole with smaller gap.

[0007] 2、The lifting tray and the main lifting ring are connected by the threaded lifting hook, which facilitates the disassembly and replacement of the lifting tray, and different sizes of lifting tray can be replaced according to the size of the installed rolling bearing, so that the production assembly is no longer limited by the size of the installed bearing. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 is the structural schematic diagram of the present application;

[0009] Figure 2 is the A-A sectional view of Figure 1 ;

[0010] Figure 3 is Figure 1 a B-B sectional view of DETAILED DESCRIPTION

[0011] The technical solutions in the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0012] A lifting tool for rolling bearing installation comprises a lifting disc 1, a guide sleeve 5, a main lifting ring 8, a pressing plate 23, a level 26 and a connecting mechanism. The lifting disc 1 is a circular ring body with an L-shaped cross section. The rolling bearing 15 is placed on the horizontal plate of the lifting disc 1, and the lifting disc 1 is used to support the inner ring of the rolling bearing 15. The outer ring of the rolling bearing 15 is sleeved with the guide sleeve 5. The upper end surface of the lifting disc 1 is fixedly connected with the pressing plate 23 through screws, and the upper end of the lifting disc 1 is connected with the main lifting ring 8 through the connecting mechanism. The connecting mechanism is provided with the level 26.

[0013] The connecting mechanism comprises a lower lifting ring 4, a supporting disc 10, an upper lifting ring 12 and an adjusting unit. The upper end surface of the lifting disc 1 is provided with at least three lower lifting rings 4 along the circumferential direction. Each lower lifting ring is connected with a corresponding upper lifting ring 12 through a corresponding adjusting unit. Each upper lifting ring 12 is arranged on the lower end surface of the supporting disc 10 through a nut. The middle part of the upper end surface of the supporting disc 10 is connected with the main lifting ring 8 through a nut.

[0014] The adjusting unit comprises an arc-shaped shackle 7, a threaded lifting ring 13, a coupling barrel 16 and a threaded lifting hook 17. The upper end of the coupling barrel 16 is threadedly sleeved on the outer side of the lower end of the threaded lifting ring 13. The lower end of the coupling barrel 16 is threadedly sleeved on the outer side of the upper end of the threaded lifting hook 17. The inner threads of the upper end and the lower end of the coupling barrel 16 are oppositely arranged. The upper end of the arc-shaped shackle 7 is hung on the threaded lifting ring 13. The upper end of the arc-shaped shackle 7 is hung and connected with the corresponding upper lifting ring 12. The lower end of the threaded lifting hook 17 is hooked and connected with the corresponding lower lifting ring 4. The middle part of the coupling barrel 16 is provided with the level 26.

[0015] The outer wall of the lifting disc 1 is fixedly connected with the nylon inner bushing 2 through screws. The inner bushing 2 is used to prevent the inner ring of the rolling bearing 15 from colliding with the lifting disc 1.

[0016] The inner wall of the guide sleeve 5 is fixedly connected with the nylon outer bushing 6 through screws. The outer bushing 6 is sleeved on the outer side of the outer ring of the rolling bearing with a small diameter and on the outer diameter of the shell with a large diameter to play a guiding role. Meanwhile, the outer bushing 6 is used to prevent the outer ring of the rolling bearing 15 from colliding with the guide sleeve 5.

[0017] The outer wall of the guide sleeve 5 is symmetrically provided with two handles 18, facilitating installation and dismounting of the guide sleeve 5.

[0018] The lower end surface of the pressing plate 23 is fixedly connected with the gusset plate 24, and the lower end surface of the gusset plate 24 is abuttingly arranged with the upper end surface of the outer ring of the rolling bearing 15, the gusset plate 24 axially fixes the rolling bearing 15 on the hanging tray 1, and can prevent the pressing injury between the pressing plate 23 and the rolling bearing 15.

[0019] When the rolling bearing 15 is installed into the inner hole of the shell, the rolling bearing 15 is placed on the hanging tray 1, the rolling bearing 15 is axially pressed by the pressing plate 23, the guide sleeve 5 is sleeved outside the outer diameter of the rolling bearing 15, the threaded lifting hook 17 is hung on the lower lifting ring 4, the rolling bearing is lifted by the supporting disc 10, the level 26 on the connecting cylinder 16 is observed, the relative length of the threaded lifting ring 13 and the threaded lifting hook 17 is adjusted by the connecting cylinder 16 according to the principle that the threaded lifting ring 13 and the threaded lifting hook 17 relatively approach after the forward rotation of the connecting cylinder 16, and the threaded lifting ring 13 and the threaded lifting hook 17 reversely separate after the reverse rotation of the connecting cylinder 16, the rolling bearing 15 is adjusted to be in a horizontal state, the large opening of the lower end of the guide sleeve 5 is aligned with the outer diameter of the shell to play a guiding role, and the lifting height of the supporting disc 10 is slowly adjusted to make the rolling bearing slide into the inner hole of the shell.

[0020] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments but can be implemented in other forms without departing from the spirit or essential characteristics of the application. The embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0021] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A hoisting fixture for installing rolling bearings, characterized in that: The system includes a hanging plate (1), a guide sleeve (5), a main lifting ring (8), a pressure plate (23), a level (26), and a connecting mechanism. The hanging plate (1) is an L-shaped annular body. A rolling bearing (15) is placed on the horizontal plate of the hanging plate (1), and the hanging plate (1) is used to support the inner ring of the rolling bearing (15). The outer side of the outer ring of the rolling bearing (15) is fitted with a guide sleeve (5). The upper end face of the hanging plate (1) is fixedly connected to the pressure plate (23), and the upper end of the hanging plate (1) is connected to the main lifting ring (8) through the connecting mechanism. A level (26) is provided on the connecting mechanism. The outer wall of the hanging plate (1) is fixedly connected to the inner bushing (2). The inner wall of the guide sleeve (5) is fixedly connected to the outer bushing (6). The connecting mechanism includes a lower lifting ring (4), a support plate (10), an upper lifting ring (12), and an adjusting unit. The upper end face of the hanging plate (1) is provided with at least three lower lifting rings (4), each of which is divided into three parts. Each upper lifting ring (12) is connected to the corresponding upper lifting ring (12) via a corresponding adjustment unit. Each upper lifting ring (12) is located on the lower end face of the support plate (10), and the middle part of the upper end face of the support plate (10) is connected to the main lifting ring (8). The adjustment unit includes a bow-shaped shackle (7), a threaded lifting ring (13), a connecting sleeve (16), and a threaded hook (17). The upper end of the connecting sleeve (16) is threadedly fitted onto the outer side of the lower end of the threaded lifting ring (13). The lower end of the connecting sleeve (16) is threaded and fitted onto the outer side of the upper end of the threaded hook (17), and the internal threads of the upper and lower ends of the connecting sleeve (16) are reversed. The upper end of the threaded ring (13) is hooked onto the bow-shaped shackle (7), and the upper end of the bow-shaped shackle (7) is hooked to the corresponding upper ring (12). The lower end of the threaded hook (17) is hooked to the corresponding lower ring (4). A level (26) is provided in the middle of the connecting sleeve (16).

2. The hoisting fixture for installing rolling bearings according to claim 1, characterized in that: The outer wall of the guide sleeve (5) is symmetrically provided with two handles (18).

3. The hoisting fixture for installing rolling bearings according to claim 2, characterized in that: The lower end face of the pressure plate (23) is fixedly connected to the pad (24), and the lower end face of the pad (24) is fitted to the upper end face of the outer ring of the rolling bearing (15).

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