Bearing assembly with anti-loosening structure for key pump equipment
By designing anti-loose structures and integrated measurement and control sensors in the bearing components of key pump equipment, the problems of redundancy in the structure of traditional bearing components and loose locking structures are solved, and the stable operation and accurate status monitoring of the equipment are achieved.
Patent Information
- Application Number
- CN202421599841.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-08
AI Technical Summary
In traditional bearing assembly structures, the locking structure and the measuring and control installation structure are arranged separately, resulting in structural redundancy and the risk of loose locking structures, which increases maintenance costs and cycles.
A bearing assembly with an anti-loose structure for key pump equipment is designed. By installing a thrust assembly and a floating ring on the bearing box and the bearing box cover, and installing a lock sleeve on the lock nut, a stable anti-loose structure is achieved. At the same time, an eddy current sensor and a temperature transmitter are installed on the bearing cover and the box to measure the operating status of the equipment.
It realizes the stability and anti-loosening of the locking structure, simplifies the installation structure, reduces maintenance costs and cycles, and accurately obtains the operating status of the equipment, ensuring the stable operation of the equipment for a long time.
Smart Images

Figure CN222759977U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pump equipment, in particular to a bearing assembly with an anti-loosening structure used for key pump equipment. Background Art
[0002] At present, the traditional bearing assembly structure (such as Figure 4 As shown in the figure, the locking structure and the measurement and control installation structure are arranged separately, the locking nut I is used to lock the shaft system parts, and the locking nut II is used to lock the speed and displacement measuring elements. The measurement and control instrument is installed on the speed and displacement measuring element mounting bracket, which leads to structural redundancy and the risk of the locking structure loosening, resulting in increased maintenance cost and cycle.
[0003] Therefore, a bearing assembly with an anti-loosening structure for key pump equipment is proposed to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a bearing assembly with an anti-loosening structure for key pump equipment to solve the problems existing in the above-mentioned prior art, so that the structure of installing the measurement and control equipment is more concise, so as to achieve stable anti-loosening and accurately obtain the operating status of the equipment, thereby realizing the purpose of long-term stable operation of the equipment.
[0005] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a bearing assembly with an anti-loosening structure for key pump equipment, comprising:
[0006] A bearing housing, a bearing housing cover is fixedly connected to the bearing housing, a pump shaft is inserted into the bearing housing and the bearing housing cover, a bearing bush is fixedly connected to the bearing housing cover and the bearing housing, the pump shaft is located in the bearing bush, the pump shaft is rotatably connected to the bearing bush, a bearing pressure cover is fixedly connected to the bearing housing, a bearing thrust plate and an adjustment pad are fixedly connected to the pump shaft, the bearing thrust plate abuts against the adjustment pad, the pump shaft passes through the bearing thrust plate, a locking nut is fixedly connected to the bearing thrust plate, the pump shaft end extends into the locking nut, a locking sleeve is installed on the locking nut, the locking sleeve abuts against the pump shaft, thrust assemblies and floating rings are arranged on both sides of the bearing thrust plate, the thrust assemblies and the floating rings are installed in the bearing housing cover and the bearing housing, an eddy current sensor 1, an eddy current sensor 2, several eddy current sensors 3 and an eddy current sensor 4 are installed on the bearing pressure cover, and a temperature transmitter is installed on the bearing housing cover and the bearing housing.
[0007] Preferably, a dustproof disc rotating ring is installed in the bearing box cover and the bearing box body, the pump shaft passes through the dustproof disc rotating ring, and the pump shaft is rotatably arranged in the dustproof disc rotating ring.
[0008] Preferably, one of the floating rings is sleeved on the pump shaft, and the other floating ring is sleeved on the locking nut.
[0009] The utility model discloses the following technical effects:
[0010] In this device, the outer ring of the locking sleeve is pressed into the groove of the locking nut to achieve stable anti-loosening and accurately obtain the operating status of the equipment, without considering the abnormal operating status caused by loose parts; eddy current sensor 1 and eddy current sensor 2 are installed on the bearing pump cover, cooperate with the locking nut to measure the shaft displacement of the pump equipment, different numbers of eddy current sensors 3 are installed on the bearing cover, which can measure the key phase of the pump equipment, measure the speed or realize the overspeed protection of the equipment, the temperature transmitter is installed on the bearing box cover and the bearing box body, which can measure the operating temperature of the thrust assembly and the bearing shell, and the eddy current sensor 4 is installed on the bearing cover to measure the vibration displacement of the shaft. The utility model solves the problem that the locking structure and the measurement and control installation structure are arranged separately in the traditional bearing assembly structure, resulting in structural redundancy and the risk of loosening of the locking structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0012] Figure 1 The utility model is a schematic diagram of the bearing assembly structure with an anti-loosening structure used in key pump equipment Figure 1 ;
[0013] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;
[0014] Figure 3 This is a schematic diagram of the structure of the locking nut of the utility model;
[0015] Figure 4 For the traditional bearing assembly structure
[0016] Among them, 1. Bearing cover; 2. Locking nut; 2.1. Eddy current sensor 1; 2.2. Eddy current sensor 2; 2.3. Eddy current sensor 3; 2.4. Temperature transmitter; 2.5. Eddy current sensor 4; 3. Thrust assembly; 4. Locking sleeve; 5. Bearing thrust plate; 6. Adjusting pad; 7. Pump shaft; 8. Floating ring; 9. Bearing box cover; 10. Bearing shell; 11. Bearing box; 12. Dustproof disk moving ring. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0019] Reference Figure 1-3 The utility model provides a bearing assembly with an anti-loosening structure for key pump equipment, comprising:
[0020] A bearing housing 11 is fixedly connected to the bearing housing 11 with a bearing housing cover 9, a pump shaft 7 is inserted into the bearing housing 11 and the bearing housing cover 9, a bearing bush 10 is fixedly connected to the bearing housing cover 9 and the bearing housing 11, the pump shaft 7 is located in the bearing bush 10, the pump shaft 7 is rotatably connected to the bearing bush 10, a bearing gland 1 is fixedly connected to the bearing housing 11, a bearing thrust plate 5 and an adjusting pad 6 are fixedly connected to the pump shaft 7, the bearing thrust plate 5 abuts against the adjusting pad 6, the pump shaft 7 passes through the bearing thrust plate 5, and a locking member is fixedly connected to the bearing thrust plate 5 Nut 2, the end of the pump shaft 7 extends into the locking nut 2, a locking sleeve 4 is installed on the locking nut 2, the locking sleeve 4 is in contact with the pump shaft 7, thrust assemblies 3 and floating rings 8 are arranged on both sides of the bearing thrust plate 5, the thrust assembly 3 and the floating ring 8 are installed in the bearing box cover 9 and the bearing box body 11, an eddy current sensor 1 2.1, an eddy current sensor 2 2.2, several eddy current sensors 3 2.3 and an eddy current sensor 4 2.5 are installed on the bearing pressure cover 1, and a temperature transmitter 2.4 is installed on the bearing box cover 9 and the bearing box body 11.
[0021] In this device, the bearing bush 10 is installed in the bearing box cover 9 and the bearing box body 11. The bearing bush 10 is used to fix the relative position of the pump shaft 7. The bearing bush 10 and the pump shaft 7 maintain a fixed gap, which can ensure the stable operation of the pump shaft 7. The locking nut 2 fastens the bearing thrust plate 5 and the adjustment pad 6 to the pump shaft 7. The two sets of thrust components 3 and the floating ring 8 are respectively located on both sides of the bearing thrust plate 5. The relative gap between the bearing thrust plate 5 and the thrust components 3 on both sides is adjusted by the bearing pressure cover 1 and the adjustment pad 6 to achieve stable operation. When the assembly is completed, the outer ring of the locking sleeve 4 is pressed into the groove of the locking nut 2 to realize the positioning and relaxation functions, so that the measurement and control instrument It can accurately reflect the operating status of the equipment without considering the abnormal operating status caused by loose parts. Eddy current sensor 1 2.1 and eddy current sensor 2 2.2 are installed on the bearing pump cover 1 and cooperate with the locking nut 2 to measure the shaft displacement of the pump equipment. Different numbers of eddy current sensors 3 are installed on the bearing cover 1 to measure the key phase of the pump equipment, measure the speed or realize the overspeed protection of the equipment. The temperature transmitter 2.4 is installed on the bearing box cover 9 and the bearing box body 11 to measure the operating temperature of the thrust assembly 3 and the bearing 10. The eddy current sensor 4 2.5 is installed on the bearing cover 1 to measure the shaft vibration displacement.
[0022] According to a further optimization scheme, a dustproof disc rotating ring 12 is installed in the bearing box cover 9 and the bearing box body 11 , the pump shaft 7 passes through the dustproof disc rotating ring 12 , and the pump shaft 7 is rotatably arranged in the dustproof disc rotating ring 12 .
[0023] The dustproof disc ring 12 is installed inside the bearing box cover 9 and the bearing box body 11, and maintains a fixed gap with the pump shaft 7 to achieve dustproofing of the bearing assembly and prevent the lubricating oil from flowing out.
[0024] In a further optimized solution, one floating ring 8 is sleeved on the pump shaft 7 , and the other floating ring 8 is sleeved on the locking nut 2 .
[0025] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0026] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A bearing assembly with an anti-loosening structure for key pump equipment, characterized in that: include: A bearing housing (11), wherein a bearing housing cover (9) is fixedly connected to the bearing housing (11), a pump shaft (7) extends into the bearing housing (11) and the bearing housing cover (9), a bearing bush (10) is fixedly connected to the bearing housing cover (9) and the bearing housing (11), the pump shaft (7) is located in the bearing bush (10), the pump shaft (7) is rotatably connected to the bearing bush (10), a bearing pressure cover (1) is fixedly connected to the bearing housing (11), a bearing thrust plate (5) and an adjustment pad (6) are installed on the pump shaft (7), the bearing thrust plate (5) abuts against the adjustment pad (6), the pump shaft (7) passes through the bearing thrust plate (5), and a bearing thrust plate (5) is fixedly connected to the bearing thrust plate (5). A locking nut (2), the end of the pump shaft (7) extends into the locking nut (2), a locking sleeve (4) is installed on the locking nut (2), the locking sleeve (4) is in contact with the pump shaft (7), thrust assemblies (3) and floating rings (8) are arranged on both sides of the bearing thrust plate (5), the thrust assemblies (3) and the floating rings (8) are installed in the bearing box cover (9) and the bearing box body (11), an eddy current sensor one (2.1), an eddy current sensor two (2.2), a plurality of eddy current sensors three (2.3) and an eddy current sensor four (2.5) are installed on the bearing pressure cover (1), and a temperature transmitter (2.4) is installed on the bearing box cover (9) and the bearing box body (11).
2. A bearing assembly with an anti-loosening structure for key pump equipment according to claim 1, characterized in that: A dustproof disc rotating ring (12) is installed in the bearing box cover (9) and the bearing box body (11), the pump shaft (7) passes through the dustproof disc rotating ring (12), and the pump shaft (7) is rotatably arranged in the dustproof disc rotating ring (12).
3. A bearing assembly with an anti-loosening structure for key pump equipment according to claim 1, characterized in that: One of the floating rings (8) is sleeved on the pump shaft (7), and the other floating ring (8) is sleeved on the locking nut (2).