Chemical process pump bearing bracket

Abstract

The utility model discloses a bearing bracket of a chemical process pump, which belongs to the technical field of chemical process pumps, and adopts the technical scheme that the bearing bracket comprises a bearing seat, a shaft bracket assembly is arranged in the bearing seat, a bearing is arranged in the shaft bracket assembly, and a shaft rod is arranged in the bearing; the shaft bracket assembly comprises a support fixedly connected to the bottom side of the interior of the bearing seat, and a lower bearing frame is fixedly connected to the top of the support. By arranging the shaft bracket assembly, a bearing is installed between the upper bearing frame and the lower bearing frame, the upper bearing frame and the lower bearing frame are connected in a clamping mode, and the upper bearing frame is connected with the bearing seat through a lead screw; lifting of the upper bearing frame can be achieved by rotating the lead screw through the inner hexagonal block, when the bearing breaks down or is damaged, bolts do not need to be screwed off one by one like a traditional mode, the bearing can be rapidly disassembled only by rotating the lead screw to enable the upper bearing frame to rise, the maintenance process is obviously simplified, time and labor are saved, and the influence on the production schedule is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of chemical process pump technology, and in particular to a bearing bracket for a chemical process pump. Background Technology

[0002] Chemical process pumps play a crucial role in chemical production by transporting various liquids. Their operational stability and reliability directly affect production efficiency and product quality. Among these components, the bearing cage, as an important part of the chemical process pump, is used to support and fix the bearings, ensuring the stable rotation of the pump shaft.

[0003] In chemical process pumps, the bearings are limited and fixed by the bearing cage. Chemical process pumps generally work under high temperature, low temperature or ultra-low temperature, high pressure, flammable, explosive, toxic and highly corrosive media. The bearings are generally affected by high temperature, wear or corrosion, etc., and a certain gap appears between them and the bearing cage. The bearing cage cannot fix the bearing well, causing the bearing to shake in the bearing cage and generate friction between it and the bearing cage, which shortens the service life of the bearing.

[0004] An existing patent (publication number: CN211778172U) discloses a bearing holder for a chemical process pump. The bearing holder for a chemical process pump provided by this utility model has the function of limiting and fixing the bearing, preventing the bearing from moving within the bearing holder due to a certain gap caused by high temperature, wear or corrosion, which would cause wear between the bearing and the bearing holder and shorten its service life.

[0005] To address the aforementioned issues, existing patents offer solutions. However, most traditional chemical process pump bearing holders and bearings are directly plugged in, with bolts used to secure the bearing cap. This connection method requires unscrewing each bolt individually for disassembly and repair when the bearing malfunctions or is damaged, a cumbersome process that consumes significant time and manpower, severely hindering production progress. Furthermore, when chemical process pumps operate at high speeds, a large amount of heat is generated between the bearing and the bearing holder. However, some existing bearing holders have poor heat dissipation designs, resulting in low heat dissipation efficiency and an inability to dissipate heat in a timely manner. This leads to excessively high bearing temperatures, which not only shortens the bearing's lifespan but also affects the normal operation of the pump, reducing production efficiency and equipment stability.

[0006] Therefore, a bearing bracket for a chemical process pump is proposed. Utility Model Content

[0007] The purpose of this utility model is to provide a bearing holder for a chemical process pump, which solves the problem that the existing traditional chemical process pump bearing holders and bearings mostly use direct plug-in connection and then bolts to tighten the bearing cover for positioning. In this connection method, when the bearing fails or is damaged, disassembly and repair require unscrewing each bolt one by one, which is a cumbersome process that consumes a lot of time and manpower, seriously hindering the production progress. At the same time, when the chemical process pump is running at high speed, a lot of heat is generated between the bearing and the bearing holder, but the heat dissipation structure of some existing bearing holders is poorly designed, with low heat dissipation efficiency, and cannot dissipate heat in time, resulting in excessively high bearing temperature. This not only shortens the service life of the bearing, but also affects the normal operation of the pump, reducing production efficiency and equipment stability.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a chemical process pump bearing bracket, including a bearing housing, a shaft bracket assembly is disposed inside the bearing housing, a bearing is disposed inside the shaft bracket assembly, and a shaft rod is disposed inside the bearing;

[0009] The bearing bracket assembly includes a bracket fixedly connected to the bottom side of the bearing housing. A lower bearing bracket is fixedly connected to the top of the bracket and is located outside the bearing. An upper bearing bracket is snapped onto the top of the lower bearing bracket and is also located outside the bearing. A lead screw is rotatably connected to the top of the upper bearing bracket. The top of the lead screw is threaded to the top side of the bearing housing and penetrates through the top side of the bearing housing. An internal hexagon block is fixedly connected to the top of the lead screw. A slide rod is fixedly connected to the top of the upper bearing bracket and penetrates through the top side of the bearing housing. Cooling structures are provided inside the upper and lower bearing brackets.

[0010] Preferably, the cooling structure includes a first cavity opened inside the upper bearing bracket, the top of the upper bearing bracket being connected to a flexible cold water inlet pipe, the top of the flexible cold water inlet pipe penetrating the top side inside the bearing housing.

[0011] Preferably, the lower bearing bracket has a second through cavity inside, and the second through cavity communicates with the first through cavity.

[0012] Preferably, the bottom of the lower bearing bracket is connected to a cold water outlet pipe, which is located on the bottom side inside the bearing housing.

[0013] Preferably, a protective structure is provided on the outer side of the bearing housing, the protective structure including fixing plates bolted to both sides of the bearing housing.

[0014] Preferably, a protective plate is fixedly connected to both the front and rear sides of the inner side of the fixed plate. The protective plate is located outside the bearing, and a semi-circular groove is formed on the inner side of the protective plate. The semi-circular groove is located outside the shaft.

[0015] Preferably, reinforcing plates are fixedly connected to both sides of the lower bearing bracket, and the outer side of the reinforcing plate is fixedly connected to the inside of the bearing seat.

[0016] Preferably, the interior of both the lower bearing bracket and the upper bearing bracket is coated with a reinforcing coating, and the reinforcing coating is in contact with the outer side of the bearing.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This application sets up a shaft bracket assembly to install the bearing between the upper bearing bracket and the lower bearing bracket. The two are connected by a snap-fit ​​method, and the upper bearing bracket is connected to the bearing seat by a screw. The upper bearing bracket can be raised and lowered by rotating the screw with an internal hexagon block. When the bearing fails or is damaged, there is no need to unscrew the bolts one by one as in the traditional way. Simply rotate the screw to raise the upper bearing bracket to quickly disassemble the bearing. This significantly simplifies the maintenance process, saves time and manpower, and greatly reduces the impact on production schedule.

[0019] 2. By setting up a cooling structure, this application enables external cooling water to flow smoothly into the upper and lower bearing housings and then be discharged. When the chemical process pump is running at high speed, a large amount of heat will be generated between the bearing and the upper and lower bearing housings. At this time, the circulating cooling water flowing in the upper and lower bearing housings can quickly carry away the heat and effectively reduce the bearing temperature. This not only avoids the bearing life being shortened due to excessive temperature, but also ensures the continuous and stable operation of the pump, effectively improves production efficiency, and ensures the stable and reliable operation of the equipment. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the bearing bracket for the chemical process pump of this utility model;

[0021] Figure 2 This is a structural diagram of the bearing housing of this utility model;

[0022] Figure 3 This is a structural diagram of the shaft bracket assembly of this utility model;

[0023] Figure 4 This is a structural diagram of the cooling structure of this utility model;

[0024] Figure 5 This is a structural diagram of the protective structure of this utility model.

[0025] In the diagram, 1. Bearing housing; 2. Shaft bracket assembly; 21. Bracket; 22. Lower bearing bracket; 23. Upper bearing bracket; 24. Lead screw; 25. Socket hexagonal block; 26. Slide rod; 27. Cooling structure; 271. First cavity; 272. Elastic cold water inlet pipe; 273. Second cavity; 274. Cold water outlet pipe; 3. Bearing; 4. Shaft; 5. Protective structure; 51. Fixing plate; 52. Protective plate; 53. Semicircular groove; 6. Reinforcing plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-5 The present invention provides the following technical solution:

[0028] A bearing bracket for a chemical process pump includes a bearing housing 1, a shaft bracket assembly 2 is disposed inside the bearing housing 1, a bearing 3 is disposed inside the shaft bracket assembly 2, and a shaft 4 is disposed inside the bearing 3.

[0029] The bearing bracket assembly 2 includes a bracket 21 fixedly connected to the bottom side inside the bearing housing 1. A lower bearing bracket 22 is fixedly connected to the top of the bracket 21. The lower bearing bracket 22 is located outside the bearing 3. An upper bearing bracket 23 is snapped onto the top of the lower bearing bracket 22. The upper bearing bracket 23 is located outside the bearing 3. A lead screw 24 is rotatably connected to the top of the upper bearing bracket 23. The top of the lead screw 24 is threaded to the top side inside the bearing housing 1. The top of the lead screw 24 penetrates the top side inside the bearing housing 1. An internal hexagon block 25 is fixedly connected to the top of the lead screw 24. A slide rod 26 is fixedly connected to the top of the upper bearing bracket 23. The top of the slide rod 26 penetrates the top side inside the bearing housing 1. Cooling structures 27 are provided inside the upper bearing bracket 23 and the lower bearing bracket 22.

[0030] In this embodiment: By setting up the shaft bracket assembly 2, during normal operation of the chemical process pump, the shaft 4 rotates under the support of the bearing 3. The lower bearing bracket 22 is securely fixed to the bottom side of the bearing seat 1 by the bracket 21. The upper bearing bracket 23 is engaged with the lower bearing bracket 22 and wraps around the bearing 3. The lead screw 24 is threadedly connected to the bearing seat 1, fixing the position of the upper bearing bracket 23. The slide rod 26 plays a guiding and auxiliary stabilizing role, ensuring the stability of the entire shaft bracket assembly 2. When it is necessary to disassemble and repair the bearing 3, an adapter tool is inserted into the hexagonal block 25 and rotated, and the lead screw 24 rotates accordingly. Since the lead screw 24 is threadedly connected to the bearing seat 1, Rotating the lead screw 24 will cause it to move upward, thereby driving the upper bearing bracket 23, which is rotatably connected to it, to rise along the slide rod 26, releasing the jamming restriction between the upper bearing bracket 23 and the lower bearing bracket 22. At this time, the bearing 3 can be easily removed for maintenance or replacement. At the same time, the cooling structure 27 allows external cooling water to flow into the upper bearing bracket 23 and the lower bearing bracket 22 and circulate out. When the pump is running at high speed, a large amount of heat will be generated between the bearing 3 and the upper bearing bracket 23 and the lower bearing bracket 22. The circulating cooling water can continuously absorb and carry away the heat, effectively reducing the temperature of the bearing 3, ensuring that the bearing 3 works in a suitable temperature environment, and maintaining the stable operation of the pump.

[0031] Specifically, such as Figure 4 As shown, the cooling structure 27 includes a first cavity 271 opened inside the upper bearing bracket 23. The top of the upper bearing bracket 23 is connected to an elastic cold water inlet pipe 272, and the top of the elastic cold water inlet pipe 272 penetrates the top side inside the bearing seat 1.

[0032] Specifically, such as Figure 4 As shown, the lower bearing bracket 22 has a second through cavity 273 inside, which is connected to the first through cavity 271.

[0033] Specifically, such as Figure 4 As shown, the bottom of the lower bearing bracket 22 is connected to a cold water outlet pipe 274, which is located on the bottom side inside the bearing housing 1.

[0034] In this embodiment: by setting up a cooling structure 27, when the operation of the chemical process pump causes heat to be generated between the bearing 3 and the bearing housing, external cold water flows in from the flexible cold water inlet pipe 272. The flexible cold water inlet pipe 272 can adapt to certain position changes to ensure stable water supply. The cold water enters the first passage 271 inside the upper bearing housing 23, and then flows into the second passage 273 inside the lower bearing housing 22, which is connected to the first passage 271. After one cycle, the cold water that has absorbed heat is discharged from the cold water outlet pipe 274 connected to the bottom of the lower bearing housing 22. During this process, the flowing cold water continuously carries away the heat of the bearing 3, the upper bearing housing 23 and the lower bearing housing 22, thereby cooling the bearing 3, effectively extending the service life of the bearing 3 and ensuring the stable operation of the pump.

[0035] Specifically, such as Figure 5 As shown, a protective structure 5 is provided on the outer side of the bearing housing 1. The protective structure 5 includes a fixing plate 51 that is bolted to both sides of the bearing housing 1.

[0036] Specifically, such as Figure 5 As shown, protective plates 52 are fixedly connected to the front and rear sides of the inner side of the fixed plate 51. The protective plates 52 are located on the outer side of the bearing 3. A semi-circular groove 53 is opened on the inner side of the protective plate 52. The semi-circular groove 53 is located on the outer side of the shaft 4.

[0037] In this embodiment: by setting up a protective structure 5, the fixing plates 51 on both sides are bolted to the bearing seat 1. The protective plates 52 on the front and rear sides of the inner side of the fixing plate 51 can protect the bearing 3. The semi-circular groove 53 on the inner side of the protective plate 52 is adapted to the shaft 4. While not affecting the rotation of the shaft 4, it can prevent external debris from accidentally colliding with the bearing 3 and shaft 4, avoiding damage to them, and ensuring the safe and stable operation of the chemical process pump.

[0038] Specifically, such as Figure 3 As shown, both sides of the lower bearing bracket 22 are fixedly connected with reinforcing plates 6, and the outer side of the reinforcing plates 6 is fixedly connected to the inside of the bearing seat 1.

[0039] Specifically, such as Figure 3 , Figure 4 As shown, the interior of both the lower bearing bracket 22 and the upper bearing bracket 23 is coated with a reinforcing coating, which is in contact with the outer side of the bearing 3.

[0040] In this embodiment: the reinforcing plates 6 on both sides of the lower bearing bracket 22 are fixedly connected to the bearing seat 1, which enhances the connection strength between the lower bearing bracket 22 and the bearing seat 1, making the lower bearing bracket 22 more stable. In addition, the reinforcing coating inside the lower bearing bracket 22 and the upper bearing bracket 23 contacts the outside of the bearing 3, which can enhance the wear resistance and pressure resistance inside the lower bearing bracket 22 and the upper bearing bracket 23, increase the stability of the bearing 3 during use, and ensure the long-term stable operation of the chemical process pump.

[0041] Working principle: During the operation of the chemical process pump, shaft 4, as the power transmission component, rotates at high speed supported by bearing 3. Bearing 3 is securely installed between upper bearing bracket 23 and lower bearing bracket 22. Lower bearing bracket 22 is fixed to the bottom inside bearing seat 1 by bracket 21. Upper bearing bracket 23 and lower bearing bracket 22 are connected by snap-fit, and the position of upper bearing bracket 23 is fixed by threaded connection between lead screw 24 and bearing seat 1. Slide rod 26 plays a guiding and auxiliary stabilizing role. When the chemical process pump operates at high speed... During rotation, a large amount of heat is generated between bearing 3 and the upper bearing housing 23 and the lower bearing housing 22. At this time, external cold water flows in from the flexible cold water inlet pipe 272. The flexible cold water inlet pipe 272 can adapt to certain positional changes to ensure a stable water supply. The cold water first enters the first passage 271 inside the upper bearing housing 23, and then flows into the second passage 273 inside the lower bearing housing 22, which is connected to it. After one cycle, the cold water that has absorbed heat is discharged from the cold water outlet pipe 274 connected to the bottom of the lower bearing housing 22, continuously carrying away the heat from bearing 3. The heat from the upper bearing bracket 23 and the lower bearing bracket 22 effectively reduces the temperature of the bearing 3, ensuring that the bearing 3 operates in a suitable temperature environment and maintaining the stable operation of the pump. The protective structure 5 on the outside of the bearing housing 1 also continues to function. The fixing plates 51 on both sides are bolted to the bearing housing 1. The protective plates 52 on the front and back of the inner side of the fixing plates 51 protect the bearing 3. The semi-circular groove 53 on the inner side of the protective plate 52 is adapted to the shaft 4, which can prevent external debris from accidentally colliding with the bearing 3 and the shaft 4 without affecting the rotation of the shaft 4. To prevent damage and ensure the safe and stable operation of the chemical process pump, when the bearing 3 needs to be repaired or replaced, use an adapter tool to insert the internal hexagon block 25 at the top of the lead screw 24 and rotate it. The lead screw 24 will rotate accordingly. Since the lead screw 24 is threadedly connected to the bearing housing 1, rotating the lead screw 24 will cause the lead screw 24 to move upward, thereby driving the upper bearing bracket 23, which is rotatably connected to it, to rise along the slide rod 26, releasing the jamming restriction between the upper bearing bracket 23 and the lower bearing bracket 22. At this time, the bearing 3 can be easily removed for subsequent processing.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bearing bracket for a chemical process pump, comprising a bearing housing (1), characterized in that: The bearing housing (1) is provided with a shaft bracket assembly (2), the shaft bracket assembly (2) is provided with a bearing (3), and the bearing (3) is provided with a shaft rod (4). The bearing bracket assembly (2) includes a bracket (21) fixedly connected to the bottom side inside the bearing housing (1). A lower bearing bracket (22) is fixedly connected to the top of the bracket (21). The lower bearing bracket (22) is located outside the bearing (3). An upper bearing bracket (23) is snapped onto the top of the lower bearing bracket (22). The upper bearing bracket (23) is located outside the bearing (3). A lead screw (24) is rotatably connected to the top of the upper bearing bracket (23). The top of the lead screw (24) is threadedly connected to the top side inside the bearing housing (1). The top of the lead screw (24) penetrates the top side inside the bearing housing (1). An internal hexagon block (25) is fixedly connected to the top of the lead screw (24). A slide rod (26) is fixedly connected to the top of the upper bearing bracket (23). The top of the slide rod (26) penetrates the top side inside the bearing housing (1). Cooling structures (27) are provided inside the upper bearing bracket (23) and the lower bearing bracket (22).

2. The bearing bracket for a chemical process pump according to claim 1, characterized in that: The cooling structure (27) includes a first cavity (271) opened inside the upper bearing bracket (23), and the top of the upper bearing bracket (23) is connected to an elastic cold water inlet pipe (272), the top of which penetrates the top side inside the bearing seat (1).

3. A chemical process pump bearing bracket according to claim 2, characterized in that: The lower bearing bracket (22) has a second through cavity (273) inside, which is connected to the first through cavity (271).

4. A chemical process pump bearing bracket according to claim 3, characterized in that: The bottom of the lower bearing bracket (22) is connected to a cold water outlet pipe (274), which is located on the bottom side inside the bearing seat (1).

5. A chemical process pump bearing bracket according to claim 1, characterized in that: The bearing housing (1) is provided with a protective structure (5) on its outer side, the protective structure (5) including fixing plates (51) bolted to both sides of the bearing housing (1).

6. A chemical process pump bearing bracket according to claim 5, characterized in that: The front and rear sides of the inner side of the fixed plate (51) are fixedly connected with protective plates (52). The protective plates (52) are located outside the bearing (3). A semi-circular groove (53) is opened on the inner side of the protective plate (52). The semi-circular groove (53) is located outside the shaft (4).

7. A chemical process pump bearing bracket according to claim 1, characterized in that: Both sides of the lower bearing bracket (22) are fixedly connected with reinforcing plates (6), and the outer side of the reinforcing plates (6) is fixedly connected to the inside of the bearing seat (1).

8. A chemical process pump bearing bracket according to claim 1, characterized in that: The interior of both the lower bearing bracket (22) and the upper bearing bracket (23) is coated with a reinforcing coating, which is in contact with the outside of the bearing (3).

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