Bearing replacing device
By designing a lifting and lowering arm support device to lift the rotating shaft to replace the lower bearing of the split sliding bearing, the problem of troublesome replacement of the lower bearing when the lifting equipment cannot be placed without lifting equipment or bearing box position is solved, and convenient bearing replacement is achieved.
Patent Information
- Application Number
- CN202421653471.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-12
AI Technical Summary
When the lifting equipment cannot be placed without lifting equipment or the bearing box cannot be placed, it is more troublesome to replace the bearing under the split sliding bearing and is not easy to replace.
A bearing replacement device is designed, including a lifting and lowering support arm. After the support arm is raised, it abuts with the rotation shaft and supports the rotation shaft, so that after the rotation shaft is lifted, no pressure is applied to the lower bearing of the split sliding bearing, thereby facilitating the replacement of the lower bearing.
Through this device, the problem of replacing the lower bearings is solved when the lifting equipment cannot be placed in the position of the bearing box is not available, and the lower bearings of split sliding bearings are easily replaced.
Smart Images
Figure CN222874477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sliding bearing replacement devices, and specifically, to a bearing replacement device. Background Art
[0002] Since split sliding bearings can withstand heavy loads and high speed conditions, split sliding bearings are mostly used in situations where fan equipment is operating. However, if the split sliding bearing shaft fails, the workload of maintenance and replacement is large. The lower bearing of the split sliding bearing often requires the main shaft to be lifted to take out the lower bearing. The lower bearing of the split sliding bearing can only be replaced when there is a crane or a gap to lift the main shaft. This solves the problem in the related technology that it is troublesome to replace the lower bearing when there is no lifting equipment or the lifting equipment cannot be placed in the bearing box. Utility Model Content
[0003] The utility model provides a bearing replacement device, which solves the problem in the related art that it is troublesome to replace the lower bearing when there is no lifting equipment or the lifting equipment cannot be placed in the bearing box.
[0004] The technical solution of this utility model is as follows:
[0005] A bearing replacement device, used for disassembling and assembling a split sliding bearing on a rotating shaft, wherein the rotating shaft is arranged on a base through the split sliding bearing, and the split sliding bearing comprises an upper bearing and a lower bearing, comprising:
[0006] The supporting arm is lifted and lowered on the base, and after the supporting arm is raised, it abuts against the rotating shaft and lifts up the rotating shaft.
[0007] The support arm is a U-shaped structure, and both ends of the support arm are provided with support plates. The support arm is lifted and lowered on the base through the support plates.
[0008] Optionally, the support plate has a mounting hole, and further comprises:
[0009] A support rod is threadedly connected to the mounting hole and is used to adjust the distance between the support arm and the base after the support rod is rotated.
[0010] The support rod is a bolt, and the bolt nut is located at a side away from the support arm.
[0011] Optionally, it also includes:
[0012] A distance measuring block, one end of which is rotatably disposed on the support plate.
[0013] Optionally, the base is a bearing box, and the base includes:
[0014] The lower shell has a guide groove, and the support plate is lifted and arranged in the guide groove.
[0015] A bearing platform, on which the split sliding bearing is arranged.
[0016] The upper shell is detachably arranged on the lower shell.
[0017] Optionally, it also includes:
[0018] A reinforcement block is arranged on a side of the support arm away from the rotating shaft.
[0019] The working principle and beneficial effects of this utility model are:
[0020] In the utility model, in order to solve the problem in the related art that the lower bearing of the split sliding bearing is not easy to replace when there is no lifting equipment or the bearing box cannot be placed at the lifting equipment position, a lifting arm that can be raised and lowered is set on one side of the base. When replacing the split sliding bearing, the upper shell of the bearing box can be removed to smoothly take out the upper bearing of the split sliding bearing. The lifting of the rotating shaft will not produce pressure on the lower bearing of the split sliding bearing, and the lower bearing of the split sliding bearing can be smoothly taken out. During installation, the split sliding bearing is installed on the rotating shaft, lowered onto the base, and the upper shell is installed. The device will not touch when the rotating shaft rotates, which solves the problem that the lower bearing is troublesome to replace and the lower bearing of the split sliding bearing is not easy to replace when there is no lifting equipment or the bearing box cannot be placed at the lifting equipment position. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The preferred implementation modes will be described below in a clear and understandable manner in conjunction with the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.
[0022] Figure 1 This is a schematic diagram of the new structure of the utility model;
[0023] Figure 2 This is a cross-sectional view of the support arm and the base;
[0024] Figure 3 It is a cross-sectional view of the support arm and the rotating shaft;
[0025] Figure 4 A schematic diagram of the base.
[0026] In the figure: 1, rotating shaft, 2, split sliding bearing, 3, base, 4, supporting arm, 5, supporting plate, 6, supporting rod, 7, distance measuring block, 301, lower shell, 3011, guide groove, 302, bearing stand, 303, upper shell, 8, reinforcement block. DETAILED DESCRIPTION
[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.
[0028] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".
[0029] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0030] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0031] Reference Figure 1-Figure 4 , which is the first embodiment of the utility model, proposes a bearing replacement device for disassembling and assembling a split sliding bearing 2 on a rotating shaft 1. The rotating shaft 1 is set on a base 3 through the split sliding bearing 2. The split sliding bearing 2 includes an upper bearing and a lower bearing, including a support arm 4. The support arm 4 is raised and lowered on the base 3. After the support arm 4 is raised, it abuts against the rotating shaft 1 and supports the rotating shaft 1.
[0032] In this embodiment, in order to solve the problem in the related art that the lower bearing of the split sliding bearing is difficult to replace when there is no lifting equipment or the lifting equipment cannot be placed in the bearing box, a support arm 4 is provided at one end of the base 3, and the support arm 4 lifts the rotating shaft 1. After lifting the rotating shaft 1, the lower bearing of the split sliding bearing 2 can be easily taken out.
[0033] Specifically, when the lower bearing of the split sliding bearing 2 needs to be replaced, the support arm 4 is lifted to make it contact and support the rotating shaft 1, so that the rotating shaft 1 no longer applies pressure to the lower bearing of the split sliding bearing 2. After removing the lower bearing of the split sliding bearing 2, a new split sliding bearing 2 is installed on the rotating shaft 1. After installing it to the specified position, the support arm 4 is lowered so that the support arm 4 no longer touches the rotating shaft 1, thereby solving the problem that the lower bearing is troublesome to replace when there is no lifting equipment or the bearing box cannot be placed in the position of the lifting equipment, and the lower bearing of the split sliding bearing 2 is not easy to replace.
[0034] Further, refer to Figure 2 The support arm 4 is a U-shaped structure, and has support plates 5 at both ends of the support arm 4. The support arm 4 is lifted and lowered on the base 3 through the support plates 5.
[0035] In this embodiment, in order to place the U-shaped support arm 4 on the base 3, support plates 5 are fixedly provided on both sides of the support arm 4. The support plates 5 can be placed on the base 3 to facilitate the installation of the support arm 4.
[0036] Further, refer to Figure 2 The support plate 5 has a mounting hole and also includes a support rod 6, which is threadedly connected to the mounting hole. The support rod 6 is used to adjust the distance between the support arm 4 and the base 3 after being rotated.
[0037] In this embodiment, in order to enable the support arm 4 to lift the rotating shaft 1, threaded holes are set on the support plates 5 on both sides of the support arm 4, and the support rod 6 can rise or fall in the threaded holes. After one end of the support rod 6 supports the base 3 and then descends, it will lift the support arm 4.
[0038] Furthermore, the support rod 6 is a bolt, and the bolt nut is located at a side away from the support arm 4 .
[0039] In this embodiment, bolts are used to facilitate the support rod 6 to rise or fall in the threaded hole.
[0040] Furthermore, it also includes a distance measuring block 7 , one end of which is rotatably disposed on the support plate 5 .
[0041] In this embodiment, in order to reduce the lateral deviation when the supporting arm 4 lifts the rotating shaft 1, the distance measuring blocks 7 are fixed on both sides of the support plate 5 with screws. When the rotating shaft 1 is lifted, the distance between the rotating shaft 1 and the distance measuring blocks 7 on both sides is observed, which can reduce the lateral deviation caused by the rotating shaft 1 being lifted or lowered.
[0042] Further, refer to Figure 3-Figure 4 The base 3 is a bearing box, and the base 3 includes a lower shell 301, the lower shell 301 has a guide groove 3011, the support plate 5 is lifted and set in the guide groove 3011, the split sliding bearing 2 is set on the bearing platform 302, and the upper shell 303 is detachably set on the lower shell 301.
[0043] In this embodiment, in order for the base 3 to achieve the above functions, a bearing box is selected. The base 3 is divided into an upper shell 303, a lower shell 301 and a bearing platform 302. The lower shell 301 is provided with a guide groove 3011. The guide groove 3011 reduces the deviation that occurs when the support arm 4 is lifted, and one end of the support rod 6 needs to support the guide groove 3011 when lifting the support arm 4. The bearing platform 302 is used to place the split sliding bearing 2 and position the split sliding bearing 2. The upper shell 303 and the lower shell 301 wrap the entire device and the split sliding bearing 2.
[0044] Furthermore, a reinforcement block 8 is included, and the reinforcement block 8 is arranged on a side of the support arm 4 away from the rotating shaft 1 .
[0045] In this embodiment, in order to increase the structural strength of the support arm 4 , a reinforcement block 8 is fixedly disposed at the lower end of the support arm 4 .
[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A bearing replacement device, used for disassembling and assembling a split sliding bearing (2) on a rotating shaft (1), wherein the rotating shaft (1) is arranged on a base (3) through the split sliding bearing (2), and the split sliding bearing (2) comprises an upper bearing and a lower bearing, characterized in that: include: A supporting arm (4), the supporting arm (4) being arranged on the base (3) in a lifting manner, and the supporting arm (4) being in contact with the rotating shaft (1) and supporting the rotating shaft (1) after being raised.
2. A bearing replacement device according to claim 1, characterized in that: The support arm (4) is a U-shaped structure, and has support plates (5) at both ends of the support arm (4). The support arm (4) is lifted and lowered on the base (3) via the support plates (5).
3. A bearing replacement device according to claim 2, characterized in that: The support plate (5) has a mounting hole and further comprises: A support rod (6), the support rod (6) being connected to the mounting hole via a thread, and the support rod (6) being used to adjust the distance between the support arm (4) and the base (3) after being rotated.
4. A bearing replacement device according to claim 3, characterized in that: The support rod (6) is a bolt, and the nut of the bolt is located on a side away from the support arm (4).
5. A bearing replacement device according to claim 2, characterized in that: Also includes: A distance measuring block (7), one end of the distance measuring block (7) being rotatably disposed on the support plate (5).
6. A bearing replacement device according to claim 2, characterized in that: The base (3) is a bearing box, and the base (3) comprises: The lower shell (301) has a guide groove (3011), and the support plate (5) is arranged in the guide groove (3011) for lifting. A bearing platform (302), the split sliding bearing (2) being arranged on the bearing platform (302), An upper shell (303), the upper shell (303) being detachably arranged on the lower shell (301).
7. A bearing replacement device according to claim 1, characterized in that: Also includes: A reinforcement block (8), wherein the reinforcement block (8) is arranged on a side of the support arm (4) away from the rotating shaft (1).