A bearing bush structure facilitating clamping positioning

Abstract

The utility model discloses a bearing bush structure convenient to clamping positioning, including bearing seat, lower bearing bush, upper bearing bush and bearing cover, be equipped with first clamping component between lower bearing bush and bearing seat, be equipped with second clamping component between upper bearing bush and bearing cover, the opposite end of lower bearing bush and upper bearing bush is equipped with the staggered interlocking structure of mutual insertion joint cooperation, the bearing seat is fixed with the lower bolt seat on the symmetry, the bearing cover is fixed with the upper bolt seat on the symmetry, the staggered interlocking structure, lower bolt seat and upper bolt seat are connected through first fastener and second fastener, the utility model belongs to bearing bush technical field, and specifically refers to a bearing bush structure convenient to clamping positioning.

Description

Technical Field

[0001] This utility model belongs to the field of bearing technology, specifically referring to a bearing structure that is easy to snap and position. Background Technology

[0002] As a key basic component in rotating machinery, the ease of assembly, the accuracy of positioning, and the reliability during operation are crucial to the performance and lifespan of the entire equipment. In existing technologies, bearing bushes are usually installed in a cavity formed by the bearing housing and bearing cap in an upper and lower mating manner, and their positioning and anti-rotation rely mainly on interference fits, pins, or a single positioning lip structure.

[0003] This type of traditional structure has several significant drawbacks in practical applications: First, the assembly process often requires manual and repeated adjustments of the upper and lower bearing positions to achieve alignment, lacking effective pre-positioning guidance, resulting in low assembly efficiency and requiring high operator skills; second, the traditional positioning structure has insufficient anti-rotation reliability, interference fits are prone to loosening due to vibration, and pins or single positioning lips are difficult to resist torque fluctuations, making circumferential displacement of the bearing easy to occur during operation; moreover, the upper and lower bearings do not have a clear interlocking relationship, posing a risk of reverse installation, and once misinstalled, it will lead to assembly interference and positioning failure. Utility Model Content

[0004] To address the aforementioned problems of low assembly efficiency, insufficient anti-rotation reliability, and easy reverse installation, this utility model provides a bearing structure that facilitates snap-fit ​​positioning.

[0005] To achieve the above functions, the technical solution adopted by this utility model is as follows: a bearing bush structure that is easy to snap and position, including a bearing seat, a lower bearing bush, an upper bearing bush and a bearing cover, wherein a first snap-fit ​​assembly is provided between the lower bearing bush and the bearing seat, and a second snap-fit ​​assembly is provided between the upper bearing bush and the bearing cover; The lower bearing and the upper bearing are provided with an interlocking structure at their opposite ends, which are mutually inserted and engaged. The bearing housing has two sets of symmetrical lower pin seats integrally formed, and the bearing cover has two sets of symmetrical upper pin seats integrally formed. The interlocking structure, the lower pin seat, and the upper pin seat are connected by a first fastener and a second fastener.

[0006] Furthermore, the first snap-fit ​​assembly includes a lower arc-shaped positioning groove symmetrically opened on the inner wall of the bearing seat, and a lower snap-fit ​​strip correspondingly disposed on the outer wall of the bottom of the lower bearing bush, wherein the lower snap-fit ​​strip is slidably adapted and installed in the lower arc-shaped positioning groove.

[0007] Furthermore, the cross-sections of both the lower arc-shaped positioning groove and the lower snap-fit ​​strip are T-shaped.

[0008] Furthermore, the second snap-fit ​​assembly includes an upper arc-shaped positioning groove symmetrically opened on the inner wall of the bearing cover, and an upper snap-fit ​​strip correspondingly disposed on the outer wall of the top of the upper bearing bush, wherein the upper snap-fit ​​strip is slidably adapted and installed in the upper arc-shaped positioning groove.

[0009] Furthermore, the cross-sections of both the upper arc-shaped positioning groove and the upper snap-fit ​​strip are T-shaped.

[0010] Furthermore, the interlocking structure includes a first insert block disposed at one end of the lower bearing, a first slot opened at the other end of the lower bearing, a second insert block disposed at one end of the upper bearing, and a second slot opened at the other end of the upper bearing. The second plug is inserted into the first slot, and the first plug is inserted into the second slot.

[0011] Furthermore, the first slot, the lower bearing and the second insert are provided with a first through hole, and the lower insert pin seat is provided with a first connecting hole; The first fastener is inserted into and locked in the first connecting hole and the first through hole in sequence; The second slot, the upper bearing and the first insert are provided with a second through hole, and the upper insert pin seat is provided with a second connecting hole; The second fastener is inserted into and locked in the second connecting hole and the second through hole in sequence.

[0012] Furthermore, the two ends of the upper bearing are adapted to be installed between two sets of upper pin seats; The two ends of the lower bearing are fitted together between the lower pin seats.

[0013] Furthermore, both ends of the bearing housing and the bearing cover are fixed with extension plates extending outward. The extension plates are evenly provided with mounting holes. A clamping screw is threaded into the mounting hole, and a lock nut is threaded into the end of the clamping screw. The bottom of the bearing housing is fixed with a base plate, and multiple sets of positioning holes are evenly opened on the base plate.

[0014] Furthermore, an oil groove is provided on the inner wall of the lower bearing, and an oil inlet communicating with the oil groove is provided on the outer wall of the lower bearing; The bearing housing has a connecting oil hole corresponding to the oil injection port, and the connecting oil hole is connected to the oil injection device provided inside the bearing housing.

[0015] Compared with the prior art, the present invention achieves the following beneficial effects by adopting the above structure: 1. By setting up independent first and second snap-fit ​​components, the lower bearing shell and bearing seat, and the upper bearing shell and bearing cover are pre-installed separately. The assembly process is decomposed into independent modular steps, which is simple to operate, quick and accurate in positioning, significantly improves assembly efficiency, and lays a precise centering foundation for subsequent overall cover closing. At the same time, the snap-fit ​​components adopt a lower arc-shaped positioning groove and lower snap-fit ​​strip with a T-shaped cross section, and an upper arc-shaped positioning groove and upper snap-fit ​​strip. This not only provides guidance and automatic centering function during assembly, but also constitutes a reliable anti-detachment structure. This ensures the stability of the connection between the bearing shell and the support in the pre-assembled state, effectively resists separation force, and prevents detachment before handling or cover closing. 2. The ends of the upper and lower bearing shells adopt an alternating staggered interlocking structure, which has an inherent anti-misinstallation function and can avoid interference or positioning failure caused by reverse installation. After the cover is closed, the structure forms a tight mechanical interlock through multiple plug points meshing synchronously, which reliably suppresses circumferential displacement caused by torque fluctuations and vibrations during equipment operation. The first and second fasteners are vertically locked in the core area of ​​the staggered interlocking structure, so that the interlocking ends, bearing shells and positioning seats are rigidly connected as a whole. This design significantly improves the load-bearing capacity, impact resistance and operational stability of the entire bearing structure. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure of a bearing bush structure for easy snap-fit ​​positioning proposed in this utility model. Figure 1 ; Figure 2 A schematic diagram of the overall structure of a bearing bush structure for easy snap-fit ​​positioning proposed in this utility model. Figure 2 ; Figure 3 This is a cross-sectional view of a bearing structure that facilitates snap-fit ​​positioning according to this utility model; Figure 4 This is a schematic diagram of the overall structure of the bearing housing proposed in this utility model; Figure 5 This is a schematic diagram of the overall structure of the lower bearing bush proposed in this utility model; Figure 6 This is a schematic diagram of the overall structure of the bearing cover proposed in this utility model; Figure 7 This is a schematic diagram of the overall structure of the upper bearing bush proposed in this utility model.

[0017] Among them, 1. Bearing housing, 11. Lower pin seat, 12. Base plate, 121. Positioning hole, 13. Connecting oil hole, 2. Lower bearing shell, 21. Oil groove, 22. Oil inlet, 3. Upper bearing shell, 4. Bearing cover, 41. Upper pin seat, 5. First snap-fit ​​assembly, 51. Lower arc-shaped positioning groove, 52. Lower snap-fit ​​strip, 6. Second snap-fit ​​assembly, 61. Upper arc-shaped positioning groove, 62. Upper snap-fit ​​strip, 7. Interlocking structure, 71. First insert block, 72. First slot, 73. Second insert block, 74. Second slot, 75. First through hole, 76. Second through hole, 81. First fastener, 82. Second fastener, 9. Extension plate, 91. Mounting hole, 92. Pressing screw, 93. Locking nut. Detailed Implementation

[0018] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. The present invention will be further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-7As shown, the present invention provides a bearing bush structure that facilitates snap-fit ​​positioning, including a bearing housing 1, a lower bearing bush 2, an upper bearing bush 3, and a bearing cover 4. A first snap-fit ​​assembly 5 is provided between the lower bearing bush 2 and the bearing housing 1, and a second snap-fit ​​assembly 6 is provided between the upper bearing bush 3 and the bearing cover 4. Through the above-mentioned independently provided snap-fit ​​assemblies, modular connection between the bearing bush and the corresponding support components is realized, so that the lower bearing bush 2 and the upper bearing bush 3 can be pre-assembled independently and efficiently, creating conditions for the subsequent closing operation of the bearing cover 4 and the precise positioning of the overall structure, thereby simplifying the assembly process and improving assembly efficiency. The lower bearing shell 2 and the upper bearing shell 3 are provided with interlocking structures 7 at their opposite ends. As a key mechanism to prevent circumferential rotation of the bearing shell, the interlocking structure 7 enables the upper and lower bearing shells 2 to be tightly engaged at the parting surface through the interlocking action of the protrusion and the groove, forming an effective mechanical interlock. This can reliably suppress relative displacement caused by torque fluctuations or vibrations during equipment operation. Two sets of symmetrical lower pin seats 11 are integrally formed on the bearing housing 1, and two sets of symmetrical upper pin seats 41 are integrally formed on the bearing cover 4. The symmetrically fixed upper pin seats 41 and lower pin seats 11 provide a stable and highly rigid support platform for the final fastening connection. The interlocking structure 7, the lower pin seats 11 and the upper pin seats 41 are connected by the first fastener 81 and the second fastener 82. The two ends of the upper bearing shell 3 are adapted to be installed between the two sets of upper pin seats 41; the two ends of the lower bearing shell 2 are adapted to be installed between the lower pin seats 11. This size design ensures that when the upper bearing shell 3 and the lower bearing shell 2 are installed inside the bearing housing 1 and the bearing cover 4 respectively, the necessary assembly space can be formed between their two ends and the corresponding upper pin seats and lower pin seats. This space is used to accommodate the interlocking structure 7 and to provide positional conditions for the horizontal insertion and locking operation of the first fastener 81 and the second fastener 82. This is the basis for realizing the modular pre-assembly and overall rigid connection of the bearing shell.

[0022] like Figure 4 and 5 As shown, the first snap-fit ​​assembly 5 includes a lower arc-shaped positioning groove 51 symmetrically opened on the inner wall of the bearing housing 1, and a lower snap-fit ​​strip 52 correspondingly set on the bottom outer wall of the lower bearing shell 2. The lower snap-fit ​​strip 52 is slidably fitted into the lower arc-shaped positioning groove 51. The sliding fit between the lower arc-shaped groove and the lower snap-fit ​​strip 52 provides positioning and guidance for the lower bearing shell 2 to be installed in the bearing housing 1. During assembly, it is only necessary to push it in along the lower arc-shaped positioning groove 51 to automatically find the center position, while restricting the lateral movement of the lower bearing shell 2 in the bearing housing 1, realizing fast and accurate pre-positioning. The cross-sections of the lower arc-shaped positioning groove 51 and the lower snap-fit ​​strip 52 are both T-shaped. The two are inserted and fitted to realize the pre-snap positioning of the lower bearing shell 2 on the bearing housing 1. The T-shaped cross-section constitutes a reliable anti-disengagement structure. Its laterally extending flange hooks with the groove and can withstand the separation force perpendicular to the installation direction, ensuring the connection stability in the pre-assembly state.

[0023] like Figure 6 and 7 As shown, the second snap-fit ​​assembly 6 includes an upper arc-shaped positioning groove 61 symmetrically opened on the inner wall of the bearing cover 4, and an upper snap-fit ​​strip 62 correspondingly set on the top outer wall of the upper bearing shell 3. The upper snap-fit ​​strip 62 is slidably fitted into the upper arc-shaped positioning groove 61 to provide an independent positioning reference and guide for the installation of the upper bearing shell 3 on the bearing cover 4. The cross-sections of the upper arc-shaped positioning groove 61 and the upper snap-fit ​​strip 62 are both T-shaped. The two are inserted and fitted to achieve pre-snap-fit ​​positioning of the upper bearing shell 3 on the bearing cover 4. At the same time, the T-shaped cross-section can form a reliable anti-detachment structure.

[0024] like Figure 5 and 7 As shown, the interlocking structure 7 includes a first insert 71 at one end of the lower bearing shell 2, a first slot 72 at the other end of the lower bearing shell 2, a second insert 73 at one end of the upper bearing shell 3, and a second slot 74 at the other end of the upper bearing shell 3. This alternating arrangement of inserts and slots ensures that the upper bearing shell 3 and the lower bearing shell 2 can only be closed in a uniquely defined relative position, possessing an inherent anti-misinstallation function, thereby ensuring the uniqueness and correctness of the assembly position and avoiding interference or positioning failure caused by reverse installation. The second insert 73 is inserted into the first slot 72, and the first insert 71 is inserted into the second slot 74. During the closing process, the above four insertion points are simultaneously inserted and engaged to achieve a tight fit. This not only completes circumferential positioning, but their interlocking structure can also jointly bear and transmit loads, effectively enhancing the overall rigidity and impact resistance at the parting surface.

[0025] like Figure 1-7 As shown, the first slot 72, the lower bearing shell 2, and the second insert block 73 are provided with a horizontal first through hole 75, and the lower pin seat 11 is provided with a horizontal first connecting hole; the first fastener 81 is sequentially inserted laterally and locked in the first connecting hole and the first through hole 75; the second slot 74, the upper bearing shell 3, and the first insert block 71 are provided with a horizontal second through hole 76, and the upper pin seat 41 is provided with a horizontal second connecting hole; the second fastener 82 is sequentially inserted laterally and locked in the second connecting hole and the second through hole 76; by applying a horizontal locking force to the core area of ​​the interlocking structure 7, the vertical ends of the upper bearing shell 3 and the lower bearing shell 2 are rigidly connected to the lower pin seat 11 and the upper pin seat 41 as an integral load-bearing component. By using the whole as the main load-bearing component, the rigidity of the bearing structure can be effectively enhanced, thereby significantly improving the load-bearing capacity and stability of the entire bearing structure. The first fastener 81 and the second fastener 82 are plug-in screws, and their ends are fixed by lock nuts 84, which facilitates installation and disassembly. Reliable preload control can be achieved by using standardized threaded connections. The plug-in installation method facilitates operation in a limited space and can provide a stable locking effect.

[0026] like Figure 1-4 As shown in Figure 6, both ends of the bearing housing 1 and the bearing cover 4 are fixed with extension plates 9 extending outward. Mounting holes 91 are evenly distributed on the extension plates 9, and clamping screws 92 are threaded into the mounting holes 91. Locking nuts 93 are threaded to the ends of the clamping screws 92. By tightening the locking nuts 93, the bearing housing 1 and the bearing cover 4 are pressed and fixed together, thus forming an integrated assembly of the bearing housing 1, lower bearing shell 2, upper bearing shell 3, and bearing cover 4. The extension plates 9 and clamping screws 92 together constitute the main fastening system, providing axial clamping force to ensure tight contact between the surfaces of each component, forming an effective force transmission path, and ensuring the required interference fit for the bearing shell assembly, laying the foundation for the normal operation of the bearing. A base plate 12 is fixed to the bottom of the bearing housing 1. Multiple sets of positioning holes 121 are evenly distributed on the base plate 12 for fixing the base plate 12 and the entire bearing shell structure to the equipment installation position using bolts.

[0027] like Figure 1-5 As shown, an oil groove 21 is provided on the inner wall of the lower bearing bush 2, and an oil inlet 22 communicating with the oil groove 21 is provided on the outer wall of the lower bearing bush 2. A connecting oil hole 13 is provided in the bearing housing 1 corresponding to the oil inlet 22. The connecting oil hole 13 is connected to the oil injection device (not shown in the figure) provided inside the bearing housing 1, so that the lubricating oil can be directly and accurately delivered from the oil injection device through the oil passage inside the bearing housing 1 to the key friction pair surface between the inner wall of the lower bearing bush 2 and the rotating shaft, so as to achieve reliable lubrication and avoid interference and damage that may occur to the exposed oil pipe during assembly and operation.

[0028] In practical use, the lower bearing assembly is first pre-assembled: the T-shaped lower locking strip 52 at the bottom of the lower bearing 2 is aligned and embedded into the corresponding lower arc-shaped positioning groove 51 on the inner wall of the bearing seat 1, and pushed in along the groove. During this process, the T-shaped structure provides guidance and automatically aligns the center until the lower bearing 2 reaches the predetermined working position. At this time, the lower locking strip 52 is tightly engaged with the lower arc-shaped positioning groove 51, forming an independent lower bearing assembly.

[0029] Subsequently, the upper bearing assembly is pre-assembled independently: using the same method, the T-shaped upper snap-fit ​​strip 62 on the top of the upper bearing 3 is aligned and slid into the upper arc-shaped positioning groove 61 on the inner wall of the bearing cover 4 until it is fully snapped and positioned, forming an independent upper bearing assembly.

[0030] After the upper bearing shell 3 and lower bearing shell 2 are pre-assembled separately, the capping and interlocking operation is performed: the upper bearing shell assembly is snapped onto the lower bearing shell assembly. During this process, it is essential to ensure that the staggered interlocking structures 7 on both sides are aligned and engaged, that is: the first insert 71 at one end of the lower bearing shell 2 is accurately inserted into the second slot 74 at one end of the upper bearing shell 3; simultaneously, the second insert 73 at the other end of the upper bearing shell 3 is accurately inserted into the first slot 72 at the other end of the lower bearing shell 2; through this interlocking action, the upper and lower bearing shells achieve a tight engagement at the parting surface, while also preparing for subsequent fastening.

[0031] After the interlocking cover is closed, the key connection points are tightened laterally: at this time, the first connecting hole on the lower pin seat 11 will automatically align with the first through hole 75 formed by the first slot 72, the lower bearing shell 2, and the second insert block 73; at the same time, the second connecting hole on the upper pin seat 41 will also align with the second through hole 76 formed by the second slot 74, the upper bearing shell 3, and the first insert block 71. Subsequently, the first fastener 81 (such as a plug screw) is passed through the first connecting hole and the first through hole 75 and locked, and the second fastener 82 is passed through the second connecting hole and the second through hole 76 and locked; this step rigidly connects the upper and lower parts into a whole.

[0032] Finally, the entire structure is axially clamped: the clamping screw 92 is inserted into the corresponding mounting holes 91 on the extension plates 9 at both ends of the bearing housing 1 and the bearing cover 4, and the locking nut 93 is tightened at the end of the clamping screw 92, so that the bearing housing 1, lower bearing shell 2, upper bearing shell 3 and bearing cover 4 are clamped into a stable integrated assembly. Subsequently, the entire bearing shell structure is finally fixed to the designated installation position of the equipment using bolts through the positioning holes 121 on the base plate 12.

[0033] Before the equipment is put into operation, the lubricating oil is pumped into the oil groove 21 on the inner wall of the lower bearing bush 2 through the oil injection device inside the bearing housing 1 via the connecting oil hole 13 and the oil injection port 22, thus completing the preparation of the lubrication system.

[0034] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A bearing bush structure for easy snap-fit ​​positioning, comprising a bearing housing (1), a lower bearing bush (2), an upper bearing bush (3), and a bearing cap (4), characterized in that: A first snap-fit ​​assembly (5) is provided between the lower bearing shell (2) and the bearing seat (1), and a second snap-fit ​​assembly (6) is provided between the upper bearing shell (3) and the bearing cover (4). The lower bearing (2) and the upper bearing (3) are provided with an interlocking structure (7) that is mutually plugged and engaged at their opposite ends. The bearing housing (1) has two sets of symmetrical lower pin seats (11) integrally formed, and the bearing cover (4) has two sets of symmetrical upper pin seats (41) integrally formed. The interlocking structure (7), the lower pin seat (11) and the upper pin seat (41) are connected by the first fastener (81) and the second fastener (82).

2. The bearing structure for easy snap-fit ​​positioning according to claim 1, characterized in that: The first snap-fit ​​assembly (5) includes a lower arc-shaped positioning groove (51) symmetrically opened on the inner wall of the bearing seat (1) and a lower snap-fit ​​strip (52) correspondingly set on the bottom outer wall of the lower bearing shell (2). The lower snap-fit ​​strip (52) is slidably adapted to be installed in the lower arc-shaped positioning groove (51).

3. The bearing structure for easy snap-fit ​​positioning according to claim 2, characterized in that: The cross-sections of the lower arc-shaped positioning groove (51) and the lower snap-fit ​​strip (52) are both T-shaped.

4. The bearing structure for easy snap-fit ​​positioning according to claim 1, characterized in that: The second snap-fit ​​assembly (6) includes an upper arc-shaped positioning groove (61) symmetrically opened on the inner wall of the bearing cover (4) and an upper snap-fit ​​strip (62) correspondingly set on the top outer wall of the upper bearing shell (3). The upper snap-fit ​​strip (62) is slidably adapted to be installed in the upper arc-shaped positioning groove (61).

5. The bearing structure for easy snap-fit ​​positioning according to claim 4, characterized in that: The cross-sections of the upper arc-shaped positioning groove (61) and the upper snap-fit ​​strip (62) are both T-shaped.

6. The bearing structure for easy snap-fit ​​positioning according to claim 1, characterized in that: The interlocking structure (7) includes a first insert (71) disposed at one end of the lower bearing (2), a first slot (72) opened at the other end of the lower bearing (2), a second insert (73) disposed at one end of the upper bearing (3), and a second slot (74) opened at the other end of the upper bearing (3). The second plug (73) is plugged into the first slot (72), and the first plug (71) is plugged into the second slot (74).

7. The bearing structure for easy snap-fit ​​positioning according to claim 6, characterized in that: The first slot (72), the lower bearing (2) and the second insert (73) are provided with a first through hole (75), and the lower insert pin seat (11) is provided with a first connecting hole; The first fastener (81) is inserted into and locked in the first connecting hole and the first through hole (75) in sequence; The second slot (74), the upper bearing shell (3) and the first insert (71) are provided with a second through hole (76), and the upper insert pin seat (41) is provided with a second connecting hole; The second fastener (82) is inserted into and locked in the second connecting hole and the second through hole (76) in sequence.

8. The bearing structure for easy snap-fit ​​positioning according to claim 7, characterized in that: The two ends of the upper bearing shell (3) are adapted to be installed between two sets of upper pin seats (41); The two ends of the lower bearing shell (2) are fitted together between the lower pin seat (11).

9. The bearing structure for easy snap-fit ​​positioning according to claim 1, characterized in that: Both ends of the bearing housing (1) and the bearing cover (4) are fixed with extension plates (9) extending outward. The extension plates (9) are evenly provided with mounting holes (91). The mounting holes (91) are threaded with a clamping screw (92). The end of the clamping screw (92) is threaded with a locking nut (93). The bottom of the bearing housing (1) is fixed with a base plate (12), and multiple sets of positioning holes (121) are evenly opened on the base plate (12).

10. The bearing structure for easy snap-fit ​​positioning according to claim 1, characterized in that: The inner wall of the lower bearing (2) is provided with an oil groove (21), and the outer wall of the lower bearing (2) is provided with an oil inlet (22) that communicates with the oil groove (21). The bearing housing (1) has a connecting oil hole (13) corresponding to the oil inlet (22), and the connecting oil hole (13) is connected to the oil injection device provided inside the bearing housing (1).

Images