Self-cooling speed reducer easy to overhaul

Abstract

The utility model relates to the technical field of speed reducers, and discloses a self-cooling speed reducer easy to overhaul, which comprises a driving motor and a speed reducer shell, a heat dissipation cover is fixedly mounted on the back of the driving motor, a plurality of ventilation openings are formed in the front of the driving motor, a first rotating shaft is arranged on the front of the driving motor, and a second rotating shaft is arranged on the first rotating shaft. The speed reducer shell comprises an upper end cover, the bottom of the upper end cover is in threaded connection with an outer protective shell, the bottom of the outer protective shell is in threaded connection with a lower end cover, and an output shaft lower abutting plate is fixedly installed on one side of the top of the lower end cover. Through the structural design of the upper end cover, the outer protective shell and the lower end cover and the mutual cooperation of the structures, the modularization function of the speed reducer shell is achieved, therefore, maintenance personnel can access and process specific parts needing to be maintained or replaced more conveniently, the whole shell does not need to be disassembled, time and cost are saved, and therefore the purposes of improving the maintenance efficiency and reducing the maintenance cost are achieved. Therefore, the purpose of easy maintenance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, and more specifically, to a self-cooling reducer which is easy to repair. Background Art

[0002] The reducer plays the role of matching speed and transmitting torque between the prime mover and the working machine or actuator. It is widely used in modern machinery. When the reducer is working, its internal structure will cause the temperature to rise due to movement, so some manufacturers will add cooling components to the reducer to reduce the temperature of the reducer when it is working.

[0003] For example, a speed reducer that is easy to repair, as disclosed in the publication (announcement) number CN219954162U, belongs to the field of speed reducers. It includes a speed reducer body, a slide groove is provided on the top of the speed reducer body, a top plate is slidably connected in the slide groove, a positioning block is welded on the outer surface of one side of the top plate, and the positioning block is fixedly connected to the speed reducer body by a first fastening bolt; a groove, the groove is provided on the outer surface of one side of the speed reducer body, a side plate is provided in the groove, and the side plate is fixedly connected to the speed reducer body by a fastening screw; an output shaft, the output shaft is arranged on one side of the speed reducer body, and a connecting assembly is provided on the outer side of the output shaft, which is located on the outer surface of the speed reducer body. The utility model can slide the top plate out of the slide groove by unscrewing the first fastening bolt from the positioning block, thereby facilitating the opening of the top of the speed reducer body and facilitating the maintenance of the interior of the speed reducer body from the top.

[0004] However, based on the working principle proposed in the above patent, the applicant believes that the above device only repairs the internal components of the reducer through the shell opening, which needs to be carried out in the limited operating space inside the reducer shell, which may lead to increased operation time and reduced operating efficiency, especially when frequent maintenance is required. In addition, maintenance personnel may not be able to conduct a comprehensive inspection of the internal components of the reducer. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a self-cooling speed reducer that is easy to maintain, and has the advantages of being easy to fully maintain and improving maintenance efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cooling reducer that is easy to maintain, comprising a drive motor and a reducer housing, a heat dissipation cover is fixedly installed on the back of the drive motor, a plurality of ventilation holes are provided on the front of the drive motor, a first rotating shaft is provided on the front of the drive motor, the reducer housing comprises an upper end cover, an outer protective shell is threadedly connected to the bottom of the upper end cover, a lower end cover is threadedly connected to the bottom of the outer protective shell, an output shaft lower support plate is fixedly installed on one side of the top of the lower end cover, an assembly plate is fixedly installed on the other side of the top of the lower end cover, an input shaft lower support seat is fixedly installed on the top of the assembly plate, lower circular grooves are provided on the tops of the output shaft lower support plate and the input shaft lower support seat, and baffles are fixedly installed on both the left and right sides of the top of the lower end cover.

[0007] As a preferred technical solution of the present invention, a fixing seat is installed on the top of the upper end cover, and a first transparent window is threadedly connected to the top of the upper fixing seat.

[0008] As an optimal technical solution of the present invention, a semicircular through hole is opened on the side of the upper end cover close to the drive motor, upper semicircular blocks are fixedly installed on both sides of the inner wall of the upper end cover, and an insert plate is fixedly installed at the bottom edge of the inner cavity of the upper end cover.

[0009] As a preferred technical solution of the present invention, a sealing plate is threadedly connected to one side of the outer protective shell, and a second transparent window is fixedly installed on one side of the sealing plate.

[0010] As a preferred technical solution of the present invention, a first bearing is fixedly installed on the top of the outer protective shell on the side close to the drive motor, and a second bearing is fixedly installed on the middle part of the outer protective shell away from the drive motor.

[0011] As a preferred technical solution of the present invention, a second rotating shaft is movably installed inside the second bearing, and an output shaft positioning arc block is fixedly installed on the inner wall of the outer casing close to the second rotating shaft.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The present invention realizes the modular function of the reducer housing through the structural design of the upper end cover, the outer protective shell and the lower end cover, and through the mutual cooperation between the structures. As a result, maintenance personnel can more conveniently access and handle specific parts that need to be repaired or replaced without having to disassemble the entire housing, saving time and cost, thereby improving maintenance efficiency and achieving the purpose of easy maintenance.

[0014] 2. The utility model provides a second transparent window, which makes it easier for maintenance personnel to monitor the operating status of the gears inside the reducer in real time. Therefore, there is no need to disassemble the reducer casing to check for possible problems with the gears inside the reducer, thereby saving a lot of maintenance time and further improving maintenance efficiency. At the same time, in conjunction with the first transparent window, the overall internal visualization function of the reducer is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0017] Figure 3 This is an enlarged structural diagram of the lower end cover of the utility model;

[0018] Figure 4 This is a schematic diagram of the upper end cover structure of the utility model when viewed from above;

[0019] Figure 5 This is a schematic diagram of the enlarged structure of the outer protective shell of the utility model.

[0020] In the figure: 1. drive motor; 2. reducer housing; 3. heat dissipation cover; 4. vent; 5. first rotating shaft; 6. upper end cover; 7. outer protective shell; 8. lower end cover; 801. output shaft lower abutment plate; 802. assembly plate; 803. input shaft lower abutment seat; 804. lower circular groove; 805. baffle; 601. fixing seat; 602. first transparent window; 603. semicircular through hole; 604. upper semicircular clamping block; 605. insert plate; 701. sealing plate; 702. second transparent window; 703. first bearing; 704. second bearing; 705. second rotating shaft; 706. output shaft positioning arc block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 5As shown, the utility model provides a self-cooling reducer that is easy to maintain, including a drive motor 1 and a reducer housing 2, a heat dissipation cover 3 is fixedly installed on the back of the drive motor 1, a plurality of vents 4 are opened on the front of the drive motor 1, a first rotating shaft 5 is provided on the front of the drive motor 1, the reducer housing 2 includes an upper end cover 6, the bottom of the upper end cover 6 is threadedly connected to an outer protective shell 7, the bottom of the outer protective shell 7 is threadedly connected to a lower end cover 8, an output shaft lower support plate 801 is fixedly installed on one side of the top of the lower end cover 8, an assembly plate 802 is fixedly installed on the other side of the top of the lower end cover 8, an input shaft lower support seat 803 is fixedly installed on the top of the assembly plate 802, a lower circular groove 804 is opened on the top of the output shaft lower support plate 801 and the input shaft lower support seat 803, and baffles 805 are fixedly installed on the left and right sides of the top of the lower end cover 8.

[0023] Among them, the ventilation port 4 facilitates the use of the first rotating shaft 5 to accelerate the flow of surrounding air, thereby achieving the purpose of self-cooling. Through the structural design of the upper end cover 6, the outer protective shell 7, and the lower end cover 8, and through the mutual cooperation between the structures, the modular function of the reducer housing is realized. As a result, maintenance personnel can more conveniently access and handle specific parts that need to be repaired or replaced without having to disassemble the entire shell, saving time and cost, thereby improving maintenance efficiency and achieving the purpose of easy maintenance. Through the structural design of the output shaft lower support plate 801 and the input shaft lower support seat 803, it is convenient to cooperate with the upper semicircular block 604 and the output shaft positioning arc block 706 to realize the function of limiting the first rotating shaft 5 and the second rotating shaft 705, thereby enabling the rotating shaft to be accurately positioned and stopped at a predetermined position during assembly or operation, thereby ensuring the stability and reliability of the transmission system, and reducing the rotating shaft jump.

[0024] A fixing seat 601 is installed on the top of the upper end cover 6 , and a first transparent window 602 is threadedly connected to the top of the upper fixing seat 601 .

[0025] Among them, the fixing seat 601 and the first transparent window 602 facilitate maintenance personnel to conduct real-time inspection of the connection between the reducer and the drive motor 1, thereby troubleshooting possible problems at the connection between the first rotating shaft 5 and the reducer, thereby reducing the disassembly of the reducer housing 2 and achieving the purpose of further improving maintenance efficiency.

[0026] A semicircular through hole 603 is opened on one side of the upper end cover 6 close to the drive motor 1 , upper semicircular blocks 604 are fixedly installed on both sides of the inner wall of the upper end cover 6 , and an inserting plate 605 is fixedly installed at the bottom edge of the inner cavity of the upper end cover 6 .

[0027] Among them, the plug plate 605 is used to increase the sealing function of the connection between the upper end cover 6 and the outer shell 7, thereby preventing dust, moisture and other substances in the working environment from entering the reducer, and at the same time preventing lubricant leakage, thereby protecting internal parts from damage.

[0028] A sealing plate 701 is threadedly connected to one side of the outer protective shell 7 , and a second transparent window 702 is fixedly mounted on one side of the sealing plate 701 .

[0029] Among them, the second transparent window 702 allows maintenance personnel to monitor the operating status of the gears inside the reducer in real time, so that possible problems can be checked for the gears inside the reducer without removing the reducer housing 2, thereby saving a lot of maintenance time and further improving maintenance efficiency. At the same time, in conjunction with the first transparent window 602, the overall internal visualization function of the reducer is realized.

[0030] A first bearing 703 is fixedly mounted on the top of the outer protective shell 7 on the side close to the drive motor 1 , and a second bearing 704 is fixedly mounted on the middle portion of the outer protective shell 7 on the side away from the drive motor 1 .

[0031] Among them, the first bearing 703 is used to fix the working position of the first rotating shaft 5, while reducing the mutual wear between the first rotating shaft 5 and the reducer housing 2. The second bearing 704 is used to fix the working position of the second rotating shaft 705, while reducing the mutual wear between the second rotating shaft 705 and the reducer housing 2, thereby achieving the purpose of increasing the service life of the device.

[0032] The second rotating shaft 705 is movably mounted inside the second bearing 704 , and an output shaft positioning arc block 706 is fixedly mounted on the inner wall of the outer protective shell 7 close to the second rotating shaft 705 .

[0033] The output shaft positioning arc block 706 facilitates limiting the top of the second rotating shaft 705 , and can also cooperate with the output shaft lower support plate 801 to reduce the vibration of the second rotating shaft 705 during operation.

[0034] The working principle and usage process of the present invention: When using this device, observe the connection between the first rotating shaft 5 and the driving gear set meshing with it inside the reducer through the first transparent window 602, observe the operating status of the transmission gear set inside the reducer through the second transparent window 702, check the location of the problem inside the reducer through the first transparent window 602 and the second transparent window 702, loosen the bolts at the connection between the upper end cover 6 and the outer protective shell 7, take out the upper end cover 6 to inspect the gear set at the input end, loosen the bolts at the connection between the lower end cover 8 and the outer protective shell 7, and take out the transmission gear set for inspection.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-cooling speed reducer that is easy to maintain, comprising a drive motor (1) and a speed reducer housing (2), characterized in that: A heat dissipation cover (3) is fixedly mounted on the back of the drive motor (1), a plurality of ventilation openings (4) are provided on the front of the drive motor (1), a first rotating shaft (5) is provided on the front of the drive motor (1), the reducer housing (2) comprises an upper end cover (6), the bottom of the upper end cover (6) is threadedly connected to an outer protective shell (7), the bottom of the outer protective shell (7) is threadedly connected to a lower end cover (8), one side of the top of the lower end cover (8) is fixedly mounted with an output shaft lower support plate (801), the other side of the top of the lower end cover (8) is fixedly mounted with an assembly plate (802), the top of the assembly plate (802) is fixedly mounted with an input shaft lower support seat (803), the tops of the output shaft lower support plate (801) and the input shaft lower support seat (803) are both provided with lower circular grooves (804), and baffles (805) are fixedly mounted on both the left and right sides of the top of the lower end cover (8).

2. The self-cooling speed reducer that is easy to maintain according to claim 1, characterized in that: A fixing seat (601) is installed on the top of the upper end cover (6), and a first transparent window (602) is threadedly connected to the top of the upper fixing seat (601).

3. The self-cooling speed reducer that is easy to maintain according to claim 1, characterized in that: A semicircular through hole (603) is provided on one side of the upper end cover (6) close to the drive motor (1), upper semicircular clamping blocks (604) are fixedly mounted on both sides of the inner wall of the upper end cover (6), and an inserting plate (605) is fixedly mounted at the bottom edge of the inner cavity of the upper end cover (6).

4. The self-cooling speed reducer that is easy to maintain according to claim 1, characterized in that: A sealing plate (701) is threadedly connected to one side of the outer protective shell (7), and a second transparent window (702) is fixedly mounted on one side of the sealing plate (701).

5. The self-cooling speed reducer that is easy to maintain according to claim 1, characterized in that: A first bearing (703) is fixedly mounted on the top of the outer protective shell (7) on the side close to the drive motor (1), and a second bearing (704) is fixedly mounted on the middle portion of the outer protective shell (7) on the side away from the drive motor (1).

6. The self-cooling speed reducer that is easy to maintain according to claim 1, characterized in that: A second rotating shaft (705) is movably mounted inside the second bearing (704), and an output shaft positioning arc block (706) is fixedly mounted on the inner wall of the outer protective shell (7) on a side close to the second rotating shaft (705).

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