High-strength wear-resistant water turbine bearing bush

Abstract

The utility model relates to the technical field of bearing bushes, and discloses a high-strength wear-resistant water turbine bearing bush, which comprises an upper bearing bush and a lower bearing bush, two ends of the outer sides of the upper bearing bush and the lower bearing bush are respectively and fixedly connected with a semicircular ring, and the outer sides of the upper bearing bush and the lower bearing bush are respectively provided with a heat dissipation assembly; the heat dissipation assembly comprises a heat dissipation arc plate, heat dissipation fins are fixedly connected to the inner side of the heat dissipation arc plate, and clamping grooves are formed in the two ends of the heat dissipation arc plate; sliding grooves are formed in the sides, close to each other, of the semicircular rings respectively, clamping blocks are arranged in the sliding grooves respectively in a sliding mode, movable holes are formed in the sides, away from each other, of the semicircular rings respectively, pull rods are inserted into the movable holes respectively, and the surfaces of the pull rods are sleeved with springs respectively. According to the high-strength wear-resistant water turbine bearing bush, the heat dissipation assembly comprises the heat dissipation arc plates and the heat dissipation fins, the surface area is increased to promote heat dissipation, and the heat dissipation efficiency is improved through the annular array design of the heat dissipation fins.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing bushes, in particular to a high-strength wear-resistant water turbine bearing bush. Background Art

[0002] The turbine bearing is one of the most critical components in the hydro-generator set, which is mainly used to support the main shaft of the turbine and allow it to run smoothly during rotation.

[0003] China Patent Authorization Announcement No. CN 209245076 U discloses a bearing shell, comprising a lower bearing shell, an upper bearing shell, a positioning block and a semicircular ring. The upper surface of the lower bearing shell is provided with an upper bearing shell, and the inner wall of the upper bearing shell is provided with upper oil grooves at equal intervals, and the upper oil grooves are inclined. A transverse oil groove is provided in the middle of the inner wall of the upper bearing shell, and the upper oil grooves on the upper bearing shell are connected with the transverse oil grooves. An oil inlet is provided in the middle of the inner wall of the transverse oil groove, and the oil inlet passes through the side wall of the upper bearing shell. Lower oil grooves matching the upper oil grooves are provided on the inner wall of the lower bearing shell at equal intervals, and the two ends of the upper oil grooves on the upper bearing shell are respectively connected with the two ends of the lower oil grooves on the lower bearing shell in an alternating manner. Positioning blocks are symmetrically fixed at both ends of a side of the upper bearing shell close to the lower bearing shell, and positioning grooves matching the positioning blocks are symmetrically provided at both ends of a side of the lower bearing shell close to the upper bearing shell, and the positioning blocks are clamped with the positioning grooves. Semicircular rings are symmetrically fixed at both ends of the outer sides of the upper bearing shell and the lower bearing shell. The bearing shell can enable the lubricating oil to quickly lubricate the journal in the bearing shell, and is easy to position and install, so that people can use it.

[0004] Under high-speed operating conditions, the bearing will generate friction with the shaft during operation, which will generate heat. However, the heat dissipation effect of the above-mentioned prior art is not good, so there is an urgent need for a high-strength and wear-resistant turbine bearing. Utility Model Content

[0005] The utility model aims to provide a high-strength wear-resistant turbine bearing bushing to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-strength wear-resistant turbine bearing, comprising an upper bearing and a lower bearing, the two ends of the outer sides of the upper bearing and the lower bearing are respectively fixedly connected with semicircular rings, and the outer sides of the upper bearing and the lower bearing are respectively provided with heat dissipation components;

[0007] The heat dissipation assembly comprises a heat dissipation arc plate, the inner side of which is fixedly connected with heat dissipation fins, and both ends of the heat dissipation arc plate are respectively provided with a card slot;

[0008] The sides of the semicircular rings that are close to each other are respectively provided with sliding grooves, and blocks are slidably arranged in the sliding grooves. The sides of the semicircular rings that are far away from each other are respectively provided with movable holes, and pull rods are respectively inserted in the movable holes. The surfaces of the pull rods are respectively sleeved with springs.

[0009] Preferably, the clamping grooves are respectively matched with the clamping blocks, and the ends of the pull rods close to each other are respectively inserted into the sliding grooves through movable holes and fixedly connected with the clamping blocks.

[0010] Semicircular rings are fixed on both ends of the outer sides of the upper bearing and the lower bearing to form a complete bearing structure. The heat dissipation component includes a heat dissipation arc plate and heat dissipation fins to increase the surface area to promote heat dissipation.

[0011] Preferably, the springs are respectively located in the slide grooves, one end of the springs is respectively fixedly connected to the clamping blocks, and the other end of the springs is respectively fixedly connected to the inner side walls of the slide grooves.

[0012] Preferably, a plurality of the heat dissipation fins are provided, and the plurality of heat dissipation fins are arranged in a ring array.

[0013] The annular array design of the heat dissipation fins improves the heat dissipation efficiency, and the heat dissipation fins fit tightly against the upper bearing and the lower bearing when installed, while the cooperation of the card slot and the card block allows the heat dissipation assembly to be firmly connected to the upper bearing and the lower bearing.

[0014] Preferably, the inner walls of the upper bearing shell and the lower bearing shell are respectively provided with a plurality of oil passages, and the plurality of oil passages are respectively arranged at equal intervals.

[0015] Preferably, the inner walls of the upper bearing shell and the lower bearing shell are respectively fixedly connected with transverse oil grooves, and the transverse oil grooves respectively cross a plurality of oil passages.

[0016] The upper and lower bearings are respectively provided with oil channels and transverse oil grooves to ensure that the lubricating oil can be evenly distributed, reduce the friction between the shaft and the bearing, and take away the heat generated during operation to maintain the operating temperature of the bearing within a safe range.

[0017] Preferably, an oil inlet connected to the transverse oil groove is opened on the top of the upper bearing, an oil inlet pipe is arranged in the oil inlet, a through hole is opened on the top of the heat dissipation arc plate located on the upper bearing, and the oil inlet pipe is located in the through hole.

[0018] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0019] First, in the utility model, semicircular rings are fixed at both ends of the outer sides of the upper bearing and the lower bearing to form a complete bearing structure. The heat dissipation assembly includes a heat dissipation arc plate and heat dissipation fins, which increase the surface area to promote heat dissipation. The annular array design of the heat dissipation fins improves the heat dissipation efficiency, and the heat dissipation fins are tightly fitted to the upper bearing and the lower bearing during installation. The cooperation of the card slot and the card block allows the heat dissipation assembly to be firmly connected to the upper bearing and the lower bearing. At the same time, the locking and release of the card block are achieved through the pull rod and the spring, which facilitates the installation and disassembly of the heat dissipation assembly.

[0020] Second, in the utility model, the upper bearing and the lower bearing are respectively provided with oil passages and transverse oil grooves. In order to ensure that the lubricating oil can be evenly distributed, reduce the friction between the shaft and the bearing, and take away the heat generated during operation, and maintain the working temperature of the bearing within a safe range, the oil inlet is designed to facilitate the injection of lubricating oil, and the oil inlet pipe ensures that the lubricating oil can be accurately delivered to the transverse oil groove and the oil passages, ensuring good lubrication of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model from the right side;

[0023] Figure 3 This is a schematic diagram of the front cutaway structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the upper bearing structure of the utility model when viewed from above.

[0025] Among them: 1. Upper bearing; 2. Lower bearing; 3. Semicircular ring; 4. Heat dissipation arc plate; 5. Heat dissipation fins; 6. Block; 7. Pull rod; 8. Spring; 9. Oil channel; 10. Horizontal oil groove; 11. Oil inlet pipe. DETAILED DESCRIPTION

[0026] 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.

[0027] The utility model provides the following technical solutions:

[0028] Embodiment 1

[0029] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A high-strength wear-resistant turbine bearing, comprising an upper bearing 1 and a lower bearing 2, wherein both ends of the outer sides of the upper bearing 1 and the lower bearing 2 are respectively fixedly connected with semicircular rings 3, and the outer sides of the upper bearing 1 and the lower bearing 2 are respectively provided with heat dissipation components;

[0030] The heat dissipation assembly includes a heat dissipation arc plate 4, the inner side of which is fixedly connected with heat dissipation fins 5, and both ends of the heat dissipation arc plate 4 are respectively provided with a card slot;

[0031] The sides of the semicircular rings 3 that are close to each other are respectively provided with sliding grooves, and blocks 6 are respectively slidably arranged in the sliding grooves. The sides of the semicircular rings 3 that are away from each other are respectively provided with movable holes, and pull rods 7 are respectively inserted in the movable holes. The surfaces of the pull rods 7 are respectively sleeved with springs 8.

[0032] The clamping grooves are respectively matched with the clamping blocks 6 , and the ends of the pull rods 7 that are close to each other are respectively inserted into the sliding grooves through the movable holes and fixedly connected with the clamping blocks 6 .

[0033] The springs 8 are respectively located in the slide grooves, one end of the spring 8 is respectively fixedly connected to the clamping block 6, and the other end of the spring 8 is respectively fixedly connected to the inner side wall of the slide groove.

[0034] A plurality of heat dissipation fins 5 are provided, and the plurality of heat dissipation fins 5 are arranged in a ring array.

[0035] Through the above technical scheme, semicircular rings 3 are fixed at both ends of the outer sides of the upper bearing 1 and the lower bearing 2 to form a complete bearing structure. The heat dissipation assembly includes a heat dissipation arc plate 4 and a heat dissipation fin 5. While increasing the surface area to promote heat dissipation, the annular array design of the heat dissipation fins improves the heat dissipation efficiency, and the heat dissipation fins 5 are tightly fitted to the upper bearing 1 and the lower bearing 2 during installation, and the cooperation of the card slot and the card block 6 allows the heat dissipation assembly to be firmly connected to the upper bearing 1 and the lower bearing 2. At the same time, the locking and release of the card block 6 are achieved by the pull rod 7 and the spring 8, which facilitates the installation and disassembly of the heat dissipation assembly.

[0036] Embodiment 2

[0037] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 On the basis of the first embodiment, it is further obtained that the inner walls of the upper bearing shell 1 and the lower bearing shell 2 are respectively provided with a plurality of oil passages 9, and the plurality of oil passages 9 are respectively arranged at equal intervals.

[0038] The inner walls of the upper bearing shell 1 and the lower bearing shell 2 are respectively fixedly connected with transverse oil grooves 10, and the transverse oil grooves 10 cross the plurality of oil passages 9 respectively.

[0039] An oil inlet connected to the transverse oil groove 10 is provided at the top of the upper bearing shell 1, and an oil inlet pipe 11 is arranged in the oil inlet. A through hole is provided at the top of the heat dissipation arc plate 4 on the upper bearing shell 1, and the oil inlet pipe 11 is located in the through hole.

[0040] Through the above technical scheme, an oil channel 9 and a transverse oil groove 10 are respectively arranged inside the upper bearing 1 and the lower bearing 2. In order to ensure that the lubricating oil can be evenly distributed, reduce the friction between the shaft and the bearing, and take away the heat generated during operation, and maintain the working temperature of the bearing within a safe range, the oil inlet is designed to facilitate the injection of lubricating oil, and the oil inlet pipe 11 ensures that the lubricating oil can be accurately delivered to the transverse oil groove 10 and the oil channel 9 to ensure good lubrication of the bearing.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength wear-resistant turbine bearing, comprising an upper bearing (1) and a lower bearing (2), characterized in that: Semicircular rings (3) are fixedly connected to both ends of the outer sides of the upper bearing shell (1) and the lower bearing shell (2), and heat dissipation components are respectively arranged on the outer sides of the upper bearing shell (1) and the lower bearing shell (2); The heat dissipation assembly comprises a heat dissipation arc plate (4), the inner side of which is respectively fixedly connected with heat dissipation fins (5), and both ends of the heat dissipation arc plate (4) are respectively provided with a card slot; The sides of the semicircular rings (3) that are close to each other are respectively provided with sliding grooves, and blocks (6) are respectively slidably arranged in the sliding grooves. The sides of the semicircular rings (3) that are away from each other are respectively provided with movable holes, and pull rods (7) are respectively inserted in the movable holes. The surfaces of the pull rods (7) are respectively sleeved with springs (8).

2. The high-strength wear-resistant turbine bearing bush according to claim 1, characterized in that: The clamping grooves are respectively matched with the clamping blocks (6), and the ends of the pull rods (7) that are close to each other are respectively inserted into the sliding grooves through movable holes and fixedly connected with the clamping blocks (6).

3. The high-strength wear-resistant turbine bearing bush according to claim 1, characterized in that: The springs (8) are respectively located in the slide grooves, one end of the springs (8) is respectively fixedly connected to the clamping blocks (6), and the other end of the springs (8) is respectively fixedly connected to the inner side walls of the slide grooves.

4. The high-strength wear-resistant turbine bearing bush according to claim 1, characterized in that: A plurality of the heat dissipation fins (5) are respectively provided, and the plurality of heat dissipation fins (5) are respectively arranged in a ring array.

5. The high-strength wear-resistant turbine bearing bush according to claim 1, characterized in that: The inner walls of the upper bearing shell (1) and the lower bearing shell (2) are respectively provided with a plurality of oil passages (9), and the plurality of oil passages (9) are respectively arranged at equal intervals.

6. The high-strength wear-resistant turbine bearing bush according to claim 1, characterized in that: The inner walls of the upper bearing shell (1) and the lower bearing shell (2) are respectively fixedly connected with transverse oil grooves (10), and the transverse oil grooves (10) respectively cross a plurality of oil passages (9).

7. The high-strength wear-resistant turbine bearing bush according to claim 1, characterized in that: The top of the upper bearing (1) is provided with an oil inlet which is connected to the transverse oil groove (10), and an oil inlet pipe (11) is arranged in the oil inlet. The top of the heat dissipation arc plate (4) on the upper bearing (1) is provided with a through hole. The oil inlet pipe (11) is located in the through hole.

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