Horizontal speed reducer

Abstract

The utility model relates to the technical field of speed reducers, in particular to a horizontal speed reducer which comprises a base, a motor arranged on one side of the base, a sealing cover arranged on the top of the base, a first rotating shaft arranged in the middle of the base and close to the top of the base, and a second rotating shaft connected with the lower portion of the first rotating shaft through a meshed gear set. A plurality of ventilation holes are formed in the outer walls, close to the top, of the two sides of the sealing cover; according to the horizontal speed reducer, the sealing cover with the sliding plate is matched with the base with the sliding groove in an inserted mode and is in threaded connection with the base through the fixing bolt, stable combined installation of the sealing cover and the base is achieved, the first rotating shaft and the second rotating shaft are meshed through the main gear and the auxiliary gear, speed reduction rotation is achieved, and the motor continuously provides power; under the cooperation of the multiple ventilation holes, ventilation and heat dissipation of the area between the base and the sealing cover are facilitated, heat accumulation is reduced, the fixing bolts are convenient to disassemble, and under the cooperation of the grooves, the sealing cover and the base are separated, and the interior is fully cleaned and matched.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a horizontal reducer. Background Art

[0002] A reducer is an independent component consisting of a gear transmission, a worm transmission, and a gear-worm transmission enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. Reducers are generally used for low-speed and high-torque transmission equipment. The power of an electric motor, an internal combustion engine or other high-speed operation is decelerated by meshing a gear with a small number of teeth on the input shaft of the reducer with a large gear on the output shaft.

[0003] The utility model with the announcement number CN219623199U discloses a horizontal reducer, comprising a housing, and a first intermediate shaft, a second intermediate shaft and an output shaft which are arranged in parallel and rotatably mounted in the housing in sequence, an intermediate shaft gear pair is drivingly connected between the first intermediate shaft and the second intermediate shaft, an output shaft gear pair is drivingly connected between the second intermediate shaft and the output shaft, an input shaft rotatably mounted on the housing is arranged above the first intermediate shaft, an input shaft bevel gear pair is drivingly connected between the input shaft and the first intermediate shaft, and the axes of the first intermediate shaft, the second intermediate shaft and the output shaft are not in the same plane;

[0004] The above technical solution has a more compact overall structure, which greatly reduces the horizontal size of the reducer, making the overall appearance more compact and having a wider range of applications; however, the horizontal reducer housing is not easy to disassemble quickly, and is not easy to fully clean or overhaul the interior, and is not easy to ventilate and dissipate heat inside the horizontal reducer. Utility Model Content

[0005] The purpose of the utility model is to provide a horizontal reducer to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A horizontal reducer comprises a base, a motor is arranged on one side of the base, a sealing cover is arranged on the top of the base, a first rotating shaft is arranged in the middle of the base near the top of the machine, a second rotating shaft is connected to the first rotating shaft through a meshing gear set below, the output shaft of the motor is coaxially connected to the main shaft, a rotating groove is opened at the right end of the first rotating shaft corresponding to the main shaft, positioning blocks are symmetrically arranged in the rotating groove, positioning grooves are arranged on the outer wall of the main shaft, and a plurality of ventilation holes are opened on the outer walls on both sides of the sealing cover near the top.

[0008] Preferably, the sealing cover is U-shaped, a slide plate is provided on each side end of the sealing cover, the base is U-shaped, and a slide groove is provided on the base at a position corresponding to the slide plate.

[0009] In the utility model, the sealing cover and the base are both U-shaped, which is helpful for plug-in combination, and the sliding plate and the sliding groove are plugged together to achieve stable plug-in cooperation between the sealing cover and the base, thereby increasing the stability of installation.

[0010] Preferably, the top of the sealing cover is provided with through holes near the four corners, the through holes are provided with fixing bolts, and screw holes are provided on the top of the base at positions corresponding to the fixing bolts.

[0011] In the utility model, the fixing bolt passes through the through hole and is threadedly connected with the screw hole, so that the sealing cover and the base are stably combined and fixed, the tightness of the combination is increased, and the user is prevented from separating and affecting the overall use.

[0012] Preferably, the ventilation holes are distributed at equal intervals, and the height of the inner wall port of the ventilation holes is higher than the height of the outer wall port. A baffle is also provided on the outer wall of the sealing cover corresponding to the ventilation holes. The baffle is in the shape of an arc plate, and the bottom of the baffle is welded and fixed to the sealing cover.

[0013] In the utility model, the cooperation of multiple ventilation holes helps to ventilate and dissipate heat in the area combined between the base and the sealing cover. The ventilation holes are arranged at an angle and, with the cooperation of two baffles, they work together to reduce the entry of external water droplets into the interior through the ventilation holes, thereby preventing water droplets from entering the interior and causing damage to the interior.

[0014] Preferably, grooves are provided on both ends of the sealing cover near the top.

[0015] In the utility model, the formation of the groove helps to provide a fulcrum point, making it convenient for the sealing cover to be disassembled and matched with the base.

[0016] Preferably, the left end of the first rotating shaft is rotatably connected to the base via a bearing, and both ends of the second rotating shaft are rotatably connected to the base via bearings. The gear set includes a main gear and a sub-gear, the main gear is welded and fixed to the first rotating shaft, and the sub-gear is welded and fixed to the second rotating shaft, and the main gear and the sub-gear are meshed with each other.

[0017] In the utility model, with the cooperation of the gear set, the first rotating shaft and the second rotating shaft are linked to each other, and the gear diameters between the gear sets are different, and the corresponding deceleration effect is achieved through different transmission ratios. One of the inner rings of the bearings is welded and fixed to the first rotating shaft, and the outer ring of the bearing is welded and fixed to the base, and the inner ring of the other bearing is welded and fixed to the second bearing, and the outer ring of the bearing is welded and fixed to the base. With the cooperation of the bearings, the flexibility of the first rotating shaft and the second rotating shaft in rotating on the base is increased.

[0018] Preferably, the motor is fixedly connected to the side wall of the base by screws, the main shaft and the output shaft of the motor are integrally formed, and the main shaft passes through the base and is plugged into the rotating groove, the outer diameter of the positioning block is adapted to the inner diameter of the positioning groove, a connecting hole connected to the rotating groove is provided on the outer wall of the first rotating shaft, a fastening bolt is provided in the connecting hole, and a threaded groove corresponding to the connecting hole is provided on the main shaft.

[0019] In the utility model, the motor is connected to an external power supply to provide power for the whole, the output shaft and the main shaft rotate synchronously, and the main shaft is plugged into the rotating groove, and the positioning block is plugged into the positioning groove to realize the rotational cooperation between the main shaft and the first rotating shaft, and the fastening bolt passes through the connecting hole and is threadedly connected with the thread groove to realize the combined fixation of the main shaft and the first rotating shaft.

[0020] Preferably, fixing blocks are provided at the bottom of the outer wall of the base near the four corners, and fixing holes are provided on the fixing blocks.

[0021] In the utility model, the external screws pass through the fixing holes to realize the fixed installation cooperation of the base.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model realizes stable combined installation of the sealing cover and the base by arranging a sealing cover with a slide plate and plugging it with a base with a slide groove, and threading them through a fixing bolt. The first rotating shaft and the second rotating shaft realize decelerated rotation through the meshing of the main gear and the sub-gear, and the motor continuously provides power. The cooperation of multiple ventilation holes helps to ventilate and dissipate heat in the area between the base and the sealing cover, reducing heat accumulation. The fixing bolt is easy to disassemble, and with the cooperation of the groove, the sealing cover and the base are separated, which fully cooperates with the internal cleaning.

[0024] 2. The utility model realizes flexible rotation of the first rotating shaft, the second rotating shaft and the base by arranging bearings. The output shaft of the motor is plugged into the rotating groove through the main shaft. The plug-in cooperation between the positioning block and the positioning groove increases the stability of the installation. With the cooperation of the fastening bolts, the stability of the installation of the main shaft and the first rotating shaft is realized. With the cooperation of the fixing block with the fixing hole, the base is fixed with the external object by screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the combined structure of the base and the motor of the utility model;

[0027] Figure 3 This is a schematic diagram of the sealing cover structure of the utility model;

[0028] Figure 4 It is a schematic diagram of the combined structure of the motor and the first rotating shaft of the utility model.

[0029] The meaning of each number in the figure is:

[0030] 1. Base; 10. First rotating shaft; 100. Rotating groove; 101. Positioning block; 102. Connecting hole; 103. Fastening bolt; 11. Second rotating shaft; 12. Sliding groove; 13. Screw hole; 14. Fixing block; 140. Fixing hole;

[0031] 2. Motor; 20. Spindle; 200. Positioning groove; 201. Thread groove;

[0032] 3. Sealing cover; 30. Slide plate; 31. Ventilation hole; 32. Groove; 33. Perforation; 330. Fixing bolt; 34. Baffle. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1-Figure 4 , this embodiment provides a technical solution:

[0035] A horizontal reducer comprises a base 1, a motor 2 is arranged on one side of the base 1, a sealing cover 3 is arranged on the top of the base 1, the sealing cover 3 is U-shaped, a slide plate 30 is arranged on the side ends of the sealing cover 3, the base 1 is U-shaped, and a slide groove 12 is opened on the base 1 corresponding to the slide plate 30.

[0036] In the present invention, the sealing cover 3 and the base 1 are both U-shaped, which is conducive to plug-in combination, and the slide plate 30 is plugged in and matched with the slide groove 12 to achieve stable plug-in cooperation between the sealing cover 3 and the base 1, thereby increasing the stability of installation.

[0037] Furthermore, through holes 33 are provided at the top of the sealing cover 3 near the four corners, and fixing bolts 330 are provided in the through holes 33 . Screw holes 13 are provided at the top of the base 1 at positions corresponding to the fixing bolts 330 .

[0038] In the present invention, the fixing bolt 330 passes through the through hole 33 and is threadedly connected to the screw hole 13, so that the sealing cover 3 and the base 1 are stably combined and fixed, the tightness of the combination is increased, and the user is prevented from separating and affecting the overall use.

[0039] Specifically, a plurality of ventilation holes 31 are provided on the outer walls of both sides of the sealing cover 3 near the top.

[0040] It should be noted that the ventilation holes 31 are distributed at equal intervals, and the height of the inner wall port of the ventilation hole 31 is higher than the height of the outer wall port. A baffle 34 is also provided on the outer wall of the sealing cover 3 corresponding to the ventilation holes 31. The baffle 34 is in the shape of an arc plate, and the bottom of the baffle 34 is welded and fixed to the sealing cover 3.

[0041] In the utility model, the cooperation of multiple ventilation holes 31 helps to ventilate and dissipate heat in the area combined between the base 1 and the sealing cover 3. The ventilation holes 31 are arranged at an angle and, with the cooperation of two baffles 34, they work together to reduce the entry of external water droplets into the interior through the ventilation holes 31, thereby preventing water droplets from entering the interior and causing damage to the interior.

[0042] Secondly, grooves 32 are formed on both ends of the sealing cover 3 near the top.

[0043] In the utility model, the groove 32 is provided to provide a fulcrum, which facilitates the disassembly and matching of the sealing cover 3 and the base 1 .

[0044] It is worth adding that a first rotating shaft 10 is provided in the middle of the base 1 near the top of the machine, a second rotating shaft 11 is connected below the first rotating shaft 10 through a meshing gear set, the output shaft of the motor 2 is coaxially connected to the main shaft 20, a rotating groove 100 is opened at the right end of the first rotating shaft 10 corresponding to the main shaft 20, a positioning block 101 is symmetrically provided in the rotating groove 100, and a positioning groove 200 is provided on the outer wall of the main shaft 20.

[0045] Furthermore, the left end of the first rotating shaft 10 is rotatably connected to the base 1 through a bearing, and both ends of the second rotating shaft 11 are rotatably connected to the base 1 through bearings. The gear set includes a main gear and a sub-gear. The main gear is welded and fixed to the first rotating shaft 10, and the sub-gear is welded and fixed to the second rotating shaft 11. The main gear and the sub-gear are meshed with each other.

[0046] In the utility model, with the cooperation of the gear set, the first rotating shaft 10 and the second rotating shaft 11 are linked and coordinated, and the gear diameters between the gear sets are different, and the corresponding deceleration effect is achieved through different transmission ratios. One of the inner rings of the bearings is welded and fixed to the first rotating shaft 10, and the outer ring of the bearing is welded and fixed to the base 1, and the other inner ring of the bearing is welded and fixed to the second rotating shaft 11, and the outer ring of the bearing is welded and fixed to the base 1. With the cooperation of the bearings, the flexibility of the first rotating shaft 10 and the second rotating shaft 11 to rotate on the base 1 is increased.

[0047] Specifically, the motor 2 is fixedly connected to the side wall of the base 1 by screws, the main shaft 20 and the output shaft of the motor 2 are integrally formed, and the main shaft 20 passes through the base 1 and is plugged into the rotating groove 100, the outer diameter of the positioning block 101 is adapted to the inner diameter of the positioning groove 200, and a connecting hole 102 connected to the rotating groove 100 is opened on the outer wall of the first rotating shaft 10, a fastening bolt 103 is provided in the connecting hole 102, and a threaded groove 201 corresponding to the connecting hole 102 is opened on the main shaft 20.

[0048] In the utility model, the motor 2 is connected to an external power supply to provide power for the whole, the output shaft and the main shaft 20 rotate synchronously, and the main shaft 20 is plugged into and matched with the rotating groove 100, and the positioning block 101 is plugged into and matched with the positioning groove 200, so that the main shaft 20 and the first rotating shaft 10 can be rotated together, and the fastening bolt 103 passes through the connecting hole 102 and is threadedly connected with the thread groove 201 to realize the combined fixation of the main shaft 20 and the first rotating shaft 10.

[0049] In addition, fixing blocks 14 are provided at the bottom of the outer wall of the base 1 near the four corners, and fixing holes 140 are provided on the fixing blocks 14 .

[0050] In the present invention, external screws pass through the fixing holes 140 to achieve fixed installation of the base 1 .

[0051] When the horizontal reducer of this embodiment is in use, the user first rotates the left end of the first rotating shaft 10 with the main gear to the base 1 through the bearing, and then rotates the two ends of the second rotating shaft 11 with the sub-gear to the base 1 through the bearing, and the main gear and the sub-gear are meshed with each other, and then the motor 2 is fixed to the side wall of the base 1, the main shaft 20 passes through the base 1 and is plugged into the rotating groove 100, and the positioning block 101 is plugged into the positioning groove 200, and then the fastening bolt 103 is passed through the connecting hole 102 and threadedly connected with the thread groove 201, and then the sealing cover 3 with the ventilation hole 31 is plugged into the slide groove 12 through the slide plate 30, and the fixing bolt 330 is passed through the through hole 33 and threadedly connected with the screw hole 13 to achieve a tight combination and installation between the base 1 and the sealing cover 3;

[0052] When it is necessary to clean the interior, the fixing bolt 330 is disassembled and taken out, and the sealing cover 3 is taken out from the base 1 with the cooperation of the groove 32, which helps to fully clean and cooperate with the first rotating shaft 10 and the second rotating shaft 11. The fastening bolt 103 is disassembled, which helps to separate and cooperate the main shaft 20 on the motor 2 from the first rotating shaft 10. The overall combination is convenient to install and disassemble, and easy to operate. With the cooperation of the two baffles 34, it can reduce the amount of water droplets entering the interior from the ventilation hole 31 and causing erosion to the interior.

Claims

1. A horizontal reducer, comprising a base (1), a motor (2) being arranged on one side of the base (1), and a sealing cover (3) being arranged on the top of the base (1), characterized in that: A first rotating shaft (10) is provided in the middle of the base (1) near the top of the machine, a second rotating shaft (11) is connected below the first rotating shaft (10) through a meshing gear set, the output shaft of the motor (2) is coaxially connected to the main shaft (20), a rotating groove (100) is provided at the right end of the first rotating shaft (10) corresponding to the main shaft (20), positioning blocks (101) are symmetrically provided in the rotating groove (100), a positioning groove (200) is provided on the outer wall of the main shaft (20), and a plurality of ventilation holes (31) are provided on the outer walls of both sides of the sealing cover (3) near the top.

2. The horizontal reducer according to claim 1, characterized in that: The sealing cover (3) is U-shaped, and a slide plate (30) is provided on each side end of the sealing cover (3). The base (1) is U-shaped, and a slide groove (12) is provided on the base (1) at a position corresponding to the slide plate (30).

3. The horizontal reducer according to claim 2, characterized in that: The top of the sealing cover (3) is provided with through holes (33) near the four corners, and the through holes (33) are provided with fixing bolts (330). The top of the base (1) is provided with screw holes (13) at positions corresponding to the fixing bolts (330).

4. The horizontal reducer according to claim 1, characterized in that: The ventilation holes (31) are distributed at equal intervals, and the height of the inner wall ports of the ventilation holes (31) is higher than the height of the outer wall ports. A baffle (34) is also provided on the outer wall of the sealing cover (3) at a position corresponding to the ventilation holes (31). The baffle (34) is in the shape of an arc plate, and the bottom of the baffle (34) is welded and fixed to the sealing cover (3).

5. The horizontal reducer according to claim 1, characterized in that: Grooves (32) are provided on both ends of the sealing cover (3) near the top.

6. The horizontal reducer according to claim 1, characterized in that: The left end of the first rotating shaft (10) is rotatably connected to the base (1) via a bearing, and both ends of the second rotating shaft (11) are rotatably connected to the base (1) via bearings. The gear set comprises a main gear and a sub-gear, the main gear is welded and fixed to the first rotating shaft (10), and the sub-gear is welded and fixed to the second rotating shaft (11), and the main gear and the sub-gear are meshed with each other.

7. The horizontal reducer according to claim 1, characterized in that: The motor (2) is fixedly connected to the side wall of the base (1) by screws; the main shaft (20) and the output shaft of the motor (2) are integrally formed structures; the main shaft (20) passes through the base (1) and is plugged into the rotating groove (100); the outer diameter of the positioning block (101) is matched with the inner diameter of the positioning groove (200); a connecting hole (102) connected to the rotating groove (100) is provided on the outer wall of the first rotating shaft (10); a fastening bolt (103) is provided in the connecting hole (102); and a threaded groove (201) corresponding to the connecting hole (102) is provided on the main shaft (20).

8. The horizontal reducer according to claim 1, characterized in that: The bottom of the outer wall of the base (1) is provided with fixing blocks (14) near the four corners, and the fixing blocks (14) are provided with fixing holes (140).

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