Double-aligning bearing simple supported beam speed reducer box

Abstract

The utility model discloses a double aligning bearing simply supported beam speed reducer box body, including speed reducer body, the front end center of speed reducer body is fixedly connected with transmission shaft shell, through setting the connecting structure between the clamping plate and the clamping block, can effectively with the first box body and second box body firmly fixed together, in this connection state, the contact surface of rubber ring and second box body will realize close adhesion, ensure the connection between both gapless, at the same time, the corresponding deformation of rubber ring will occur when being extruded by external force, and this deformation is not simple physical change, but through the elastic property of rubber ring itself, makes it produce swelling force after being extruded, and it is just the effect of this swelling force, makes the connecting structure between the first box body and second box body become more stable and reliable, even under the influence of vibration force, this structure can effectively avoid the phenomenon that the bearing seat appears to fall off, thereby ensuring the safety and stability of the whole device.

Description

Technical Field

[0001] This utility model relates to the field of speed reducer technology, and in particular to a speed reducer housing with double self-aligning bearings and a simply supported beam. Background Technology

[0002] Double self-aligning bearings typically refer to double-row self-aligning bearings, which have two rows of symmetrical spherical rollers. The outer ring has a common spherical raceway, and the inner ring has two raceways that are inclined at an angle to the bearing axis. They adopt a separable structure design, and the inner and outer rings can be installed independently. The cage is manufactured using different processes depending on the size difference. Small sizes are made by stamping steel plates, while large sizes are made by turning brass or mild steel.

[0003] When tapered roller bearings are used to fix and support the output gear shaft, this structure limits the radial force load that the output gear shaft can withstand. Over time, this can lead to significant wear on the tapered roller bearings. During the operation of the reducer, the high temperature of the tapered roller bearings can cause oil seal deformation, greatly increasing the risk of oil leakage. Based on these issues, Chinese patent CN222650485U discloses a reducer with a simply supported beam double support structure. This design changes the structure of the lower housing of the reducer, with self-aligning roller bearings and the self-aligning bearing at the top of the output shaft forming a double support structure. This reduces the overall size and weight of the reducer, while allowing it to withstand greater radial forces.

[0004] The bearing housing in this reducer is tightly fixed to the reducer housing by a single bolt. Therefore, when the self-aligning bearing inevitably vibrates during operation, this vibration force is directly transmitted to the bearing housing connected to it. Over time and with continuous operation, this continuous vibration effect will cause cumulative damage to the bolt fixing the bearing housing, eventually leading to bolt stripping and bearing housing detachment, which in turn affects the stability and service life of the self-aligning bearing and the reducer. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A dual self-aligning bearing simply supported beam reducer housing includes a reducer body. An opening is located at the center of the front end of the reducer body, and a drive shaft housing is fixedly connected to the inner wall of the opening. A bearing housing mechanism is installed directly in front of the drive shaft housing. The bearing housing mechanism includes a first housing, with one end of the outer wall of the drive shaft housing penetrating through the center of the rear end face of the first housing. A second housing is installed directly in front of the first housing, and a bearing seat is fixedly connected to the inner wall of the second housing. A dual self-aligning bearing is fitted onto the inner wall of the bearing seat. A base is fixedly connected to one end of the bottom of the reducer body, and mounting plates are fixedly connected to the bottom ends of the outer walls on both sides of the base.

[0008] As a further description of the above technical solution: The top and bottom of the second box are fixedly connected with pads, and the rear end of each pad is fixedly connected with a pad plate. One end of the opposite side of each of the two sets of pads is fixedly connected with a locking block.

[0009] As a further description of the above technical solution: A limiting ring is fixedly connected to the front end of the inner wall of the first box, and a rubber ring is fixedly connected to the outer edge of the front end of the limiting ring. Pressing rods are fixedly connected to both sides of the front end of the limiting ring.

[0010] As a further description of the above technical solution: The first box has a first slip ring extending through its top and bottom ends, and a pressure plate is slidably connected to the inner wall of the first slip ring. The second slip ring extends through its top and bottom ends, and a clamping plate is slidably connected to the inner wall of the second slip ring.

[0011] As a further description of the above technical solution: The top and bottom of the inner wall of the first box are fixedly connected to sliding rods. One end of the outer wall of each sliding rod is slidably connected to a sliding plate. The two ends of the opposite sides of the two sets of sliding plates are fixedly connected to one end of the outer wall of the pressure plate and the clamping plate. The other end of the outer wall of each sliding rod is fitted with a return spring. The opposite sides of the two sets of sliding rods are fixedly connected to threaded rods. The outer wall of each threaded rod is threaded with a nut. The other end of the outer wall of each clamping plate is engaged with one end of the outer wall of the clamping block.

[0012] As a further description of the above technical solution: The top of the reducer body has an oil inlet tank, and a threaded ring is threaded through the center of the top of the oil inlet tank. The inner wall of the threaded ring is threaded with an oil tank.

[0013] As a further description of the above technical solution: The oil tank has a through-hole at the top center, and a lifting rod is slidably connected to the inner wall of the hole. Multiple sets of scale marks are opened on one side of the outer wall of the lifting rod. A control module is fixedly connected to the top of the lifting rod, an alarm is fixedly connected to the top of the control module, and a laser rangefinder is fixedly connected to one end of the bottom of the control module.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) By setting the connection structure between the card plate and the card block, the first box and the second box can be effectively fixed together. In this connection state, the contact surface between the rubber ring and the second box will be tightly fitted to ensure that there is no gap between the two. At the same time, the rubber ring will deform when it is squeezed by external force. This deformation is not a simple physical change, but rather the elastic properties of the rubber ring itself will cause it to generate an expansion force after being squeezed. It is this expansion force that makes the connection structure between the first box and the second box more stable and reliable. Even under the influence of vibration, this structure can effectively prevent the bearing seat from falling off, thereby ensuring the safety and stability of the entire device. (2) Push the two sets of pressure plates in opposite directions at the same time to allow the two sets of clamping plates to quickly disengage from the clamping blocks. Then the second box can be disassembled and the double self-aligning bearing can be replaced. By setting this simple operation method, the disassembly and assembly steps of the double self-aligning bearing are more convenient and quick. The laser range sensor can detect the distance between the control module and the oil tank. When the distance between the control module and the oil tank gets closer and closer, it indicates that the amount of lubricating oil stored in the oil tank is getting less and less. When the laser range sensor detects that the distance between the control module and the oil tank is too close, it indicates that the lubricating oil is insufficient. At this time, the alarm will sound to remind the user. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the present invention; Figure 2 This is the right view of the present invention; Figure 3 This is a right-side sectional view of the bearing housing mechanism in this utility model.

[0016] The correspondence between the labels and component names in the attached figures is as follows: 1. Gearbox body; 2. Drive shaft housing; 3. Bearing housing mechanism; 31. First housing; 32. Second housing; 33. Bearing seat; 34. Double self-aligning bearing; 35. Pad block; 36. Pad plate; 37. Clamping block; 38. Limiting ring; 39. Rubber ring; 310. Pressing rod; 311. First slip ring; 312. Pressure plate; 313. Second slip ring; 314. Clamping plate; 315. Slide rod; 316. Slide plate; 317. Return spring; 318. Threaded rod; 319. Nut; 4. Base; 5. Mounting plate; 6. Oil inlet tank; 7. Threaded ring; 8. Oil tank; 9. Lifting rod; 10. Scale mark; 11. Control module; 12. Alarm; 13. Laser rangefinder sensor. Detailed Implementation

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. The present invention provides the following embodiments.

[0020] Reference Figure 1-3 This utility model provides an embodiment of a double self-aligning bearing simply supported beam reducer housing, including a reducer body 1. The reducer body 1 has an opening at the center of its front end, and a transmission shaft housing 2 is fixedly connected to the inner wall of the opening. A first housing 31 is fixedly connected to the front end of the outer wall of the transmission shaft housing 2. The front end face of the first housing 31 has an opening. A second housing 32 is installed in front of the first housing 31. The front and rear ends of the second housing 32 have openings. The first housing 31 and the second housing 32 have the same shape and size. The internal space of the first housing 31 is interconnected with the internal space of the second housing 32. A bearing seat 33 is fixedly connected to the inner wall of the second housing 32. A double self-aligning bearing 34 is sleeved on the inner wall of the bearing seat 33. A pad 35 is fixedly connected to the top and bottom of the second housing 32. A pad plate 36 is fixedly connected to the rear end of each pad 35. A locking block 37 is fixedly connected to one end of the opposite face of each of the two sets of pad plates 36.

[0021] A limiting ring 38 is fixedly connected to the front end of the inner wall of the first housing 31. A rubber ring 39 is fixedly connected to the outer edge of the front end of the limiting ring 38. The front end face of the rubber ring 39 can fit tightly against the outer edge of the rear end face of the second housing 32. Pressing rods 310 are fixedly connected to both sides of the front end of the limiting ring 38. One end of the outer wall of the pressing rod 310 can extend into the interior of the second housing 32 to press and fix the double self-aligning bearing 34 installed in the bearing seat 33. A first slip ring 311 passes through the top and bottom ends of the first housing 31. A pressure plate 312 is slidably connected to the inner wall of the first slip ring 311. A second slip ring 313 passes through the other ends of the top and bottom ends of the first housing 31. A retaining plate 314 is slidably connected to the inner wall of the second slip ring 313. Both the top and bottom are fixedly connected to slide rods 315. One end of the outer wall of each slide rod 315 is slidably connected to a slide plate 316. The two ends of opposite sides of the two slide plates 316 are fixedly connected to one end of the outer wall of the pressure plate 312 and the clamping plate 314. The other end of the outer wall of each slide rod 315 is fitted with a return spring 317. By setting the return spring 317, the two slide plates 316 can be pushed in opposite directions at the same time. The opposite sides of each slide rod 315 are fixedly connected to threaded rods 318. The outer wall of each threaded rod 318 is threaded with a nut 319. By setting the connection structure between the threaded rod 318 and the nut 319, the return spring 317 can be fixed on the slide rod 315. After removing the nut 319, the damaged return spring 317 can be replaced.

[0022] The other end of the outer wall of the clamping plate 314 is engaged with one end of the outer wall of the clamping block 37. By setting the connection structure between the clamping plate 314 and the clamping block 37, the first housing 31 and the second housing 32 can be effectively and firmly fixed together. In this connection state, the contact surface between the rubber ring 39 and the second housing 32 will be tightly fitted, ensuring a seamless connection between the two. At the same time, the rubber ring 39 will deform accordingly when subjected to external pressure. This deformation is not a simple physical change, but rather, through the elastic properties of the rubber ring 39 itself, it generates an expansion force after being compressed. It is this expansion force that makes the connection structure between the first housing 31 and the second housing 32 more stable and reliable. Even under the influence of vibration, this structure can effectively prevent the bearing seat 33 from falling off. This phenomenon ensures the safety and stability of the entire device. By simultaneously pushing the two sets of pressure plates 312 in opposite directions, the two sets of clamping plates 314 can be quickly disengaged from the clamping block 37. Then, the second housing 32 can be disassembled, and the double self-aligning bearing 34 can be replaced. By setting this simple operation method, the disassembly and assembly steps of the double self-aligning bearing 34 are more convenient and quick. The bearing housing mechanism 3 can be composed of the first housing 31, the second housing 32, the bearing seat 33, the double self-aligning bearing 34, the pad 35, the pad 36, the clamping block 37, the limiting ring 38, the rubber ring 39, the pressing rod 310, the first slip ring 311, the pressure plate 312, the second slip ring 313, the clamping plate 314, the slide rod 315, the slide plate 316, the return spring 317, the threaded rod 318, and the nut 319.

[0023] A base 4 is fixedly connected to one bottom end of the reducer body 1. Mounting plates 5 are fixedly connected to the bottom ends of the outer walls on both sides of the base 4. An oil inlet tank 6 passes through the top of the reducer body 1. A threaded ring 7 passes through the center of the top of the oil inlet tank 6. An oil tank 8 is threadedly connected to the inner wall of the threaded ring 7. The oil tank 8 can store lubricating oil. The simple connection between the oil tank 8 and the threaded ring 7 makes the disassembly and assembly of the oil tank 8 more convenient and quick. A sliding hole with vertical penetration is opened at the center of the top of the oil tank 8. A lifting rod 9 is slidably connected to the inner wall of the sliding hole. A piston is installed at the bottom of the lifting rod 9. When the lifting rod 9 slides downward, it can squeeze lubricating oil into the reducer body. Inside the lifting rod 9, multiple sets of scale marks 10 are opened on one side of the outer wall. The top of the lifting rod 9 is fixedly connected to the control module 11, and the top of the control module 11 is fixedly connected to the alarm 12. The bottom end of the control module 11 is fixedly connected to the laser range sensor 13. The laser range sensor 13 can detect the distance between the control module 11 and the oil tank 6. When the distance between the control module 11 and the oil tank 6 gets closer and closer, it indicates that the amount of lubricating oil stored in the oil tank 8 is getting less and less. When the laser range sensor 13 detects that the distance between the control module 11 and the oil tank 6 is too close, it indicates that the lubricating oil is insufficient. At this time, the alarm 12 will sound to remind the user.

[0024] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A reducer housing with double self-aligning bearings and a simply supported beam, comprising a reducer body (1), characterized in that: The reducer body (1) has an opening at the center of the front end, and a transmission shaft housing (2) is fixedly connected to the inner wall of the opening. A bearing housing mechanism (3) is installed in front of the transmission shaft housing (2). The bearing housing mechanism (3) includes a first housing (31). One end of the outer wall of the transmission shaft housing (2) passes through the center of the rear end face of the first housing (31). A second housing (32) is installed in front of the first housing (31). A bearing seat (33) is fixedly connected to the inner wall of the second housing (32). A double self-aligning bearing (34) is sleeved on the inner wall of the bearing seat (33). A base (4) is fixedly connected to one end of the bottom of the reducer body (1). Mounting plates (5) are fixedly connected to the bottom ends of the outer walls on both sides of the base (4).

2. The gearbox housing of a simply supported beam reducer with double self-aligning bearings according to claim 1, characterized in that: The top and bottom of the second box (32) are fixedly connected with pads (35), and the rear ends of the pads (35) are fixedly connected with pads (36). One end of the opposite side of the two sets of pads (36) is fixedly connected with a locking block (37).

3. The gearbox housing of a simply supported beam reducer with double self-aligning bearings according to claim 1, characterized in that: A limiting ring (38) is fixedly connected to the front end of the inner wall of the first box (31). A rubber ring (39) is fixedly connected to the outer edge of the front end of the limiting ring (38). A pressing rod (310) is fixedly connected to both sides of the front end of the limiting ring (38).

4. The gearbox housing of a simply supported beam reducer with double self-aligning bearings according to claim 1, characterized in that: The first box (31) has a first slip ring (311) passing through its top and bottom ends. The inner wall of the first slip ring (311) is slidably connected to a pressure plate (312). The other end of the top and bottom of the first box (31) has a second slip ring (313) passing through its top and bottom ends. The inner wall of the second slip ring (313) is slidably connected to a card plate (314).

5. The gearbox housing of a simply supported beam reducer with double self-aligning bearings according to claim 4, characterized in that: The top and bottom of the inner wall of the first box (31) are fixedly connected with slide rods (315). One end of the outer wall of each slide rod (315) is slidably connected with a slide plate (316). The two ends of the opposite sides of the two sets of slide plates (316) are fixedly connected to one end of the outer wall of the pressure plate (312) and the card plate (314). The other end of the outer wall of each slide rod (315) is sleeved with a return spring (317). The opposite sides of the two sets of slide rods (315) are fixedly connected with threaded rods (318). The outer wall of each threaded rod (318) is threaded with a nut (319). The other end of the outer wall of each card plate (314) is engaged with one end of the outer wall of the card block (37).

6. The gearbox housing of a simply supported beam reducer with double self-aligning bearings according to claim 1, characterized in that: The top of the reducer body (1) is provided with an oil inlet tank (6), and a threaded ring (7) is provided at the center of the top of the oil inlet tank (6). The inner wall of the threaded ring (7) is connected to an oil tank (8).

7. The gearbox housing of a simply supported beam reducer with double self-aligning bearings according to claim 6, characterized in that: The oil tank (8) has a through-hole at the top center, and a lifting rod (9) is slidably connected to the inner wall of the through-hole. Multiple sets of scale marks (10) are opened on one side of the outer wall of the lifting rod (9). A control module (11) is fixedly connected to the top of the lifting rod (9). An alarm (12) is fixedly connected to the top of the control module (11). A laser rangefinder (13) is fixedly connected to one end of the bottom of the control module (11).

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