CN219082200U

CN219082200U - Multistage planetary reducer

Info

Publication number: CN219082200U
Application number: CN202222885314.7U
Authority: CN
Inventors: 李柏君; 李泽民
Original assignee: Modoli Intelligent Transmission Jiangsu Co ltd
Current assignee: Modoli Intelligent Transmission Jiangsu Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-26
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a multistage planetary reducer, which comprises a machine shell, wherein heat dissipation openings are formed in two sides of the machine shell, a first semicircular dustproof plate and a second semicircular dustproof plate are arranged in the heat dissipation openings, and clamping grooves are formed in the top and the bottom of the first semicircular dustproof plate and the bottom of the second semicircular dustproof plate. According to the utility model, large-particle dust in the outside air can be filtered through the arrangement of the first semicircular ring dust-proof plate and the second semicircular ring dust-proof plate, so that the large-particle dust can be prevented from entering the inside of the machine shell, the electromagnet is powered off, the electromagnet is attracted through the magnetic force action of the permanent magnet, the circular ring protection plate is driven to seal the heat dissipation opening, and then the small-particle dust can be prevented from entering the inside of the machine shell when heat dissipation is not needed, a better dustproof effect can be achieved, a large amount of dust is prevented from entering the inside of the machine shell, dust accumulation in the machine shell can be avoided, and the service life of the planetary reducer is prolonged.

Description

Multistage planetary reducer

Technical Field

The utility model relates to the technical field of planetary speed reducers, in particular to a multistage planetary speed reducer.

Background

The planetary reducer is an industrial product with wide application, can reduce the rotating speed of a motor and increase the output torque. The planetary reducer can be used as a matching component for industries such as lifting, excavating, transporting, building and the like, and the planetary reducer can generate heat and needs to be cooled in the working process.

Among the prior art, current multistage planetary reducer can produce a large amount of heat in the course of the work, can't dispel the heat fast through the planetary reducer casing, long-time high temperature can influence planetary reducer's life, current multistage planetary reducer is through seting up the thermovent on the casing for the inside high temperature air current of casing discharges, nevertheless the thermovent of seting up on the current multistage planetary reducer does not possess dustproof mechanism and carries out dustproof processing, when leading to the inside high temperature air current of casing and outside air circulation, carries the dust in the outside air to the casing inside, leads to the inside dust of casing to pile up, and then influences planetary reducer's life.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a multistage planetary reducer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multistage planetary reducer, includes the casing, the thermovent has all been seted up to the both sides of casing, the inside of thermovent is provided with first semicircle ring dust guard and second semicircle ring dust guard, chucking groove has all been seted up to the top and the bottom of first semicircle ring dust guard and second semicircle ring dust guard, the top and the bottom of thermovent inner wall all are provided with chucking subassembly, fixedly connected with two support frames between the top and the bottom of casing inner wall, two the equal fixedly connected with protection component in one side that the support frame is separated, protection component includes two telescopic components and ring guard board, two telescopic components is all fixedly connected with on the support frame, ring guard board fixed connection is between two telescopic components, telescopic components includes fixed frame on the support frame, one side fixedly connected with electro-magnet of fixed frame inner wall, just sliding connection has the permanent magnet between the top and the bottom of fixed frame inner wall, one side fixedly connected with straight-bar that the permanent magnet is close to the electro-magnet, the top fixedly connected with temperature-sensing ware of casing inner wall.

The setting through first semicircle ring dust guard and second semicircle ring dust guard can filter the big granule dust in the outside air to can avoid big granule dust to get into inside the casing, nevertheless little granule dust can not pass first semicircle ring dust guard and second semicircle ring dust guard and get into inside the casing, and then when the inside temperature of casing is less than the default, through outage with the electro-magnet, attract the electro-magnet through the magnetic force effect of permanent magnet, thereby make the permanent magnet remove to the one side that is close to the electro-magnet, thereby drive the ring guard and with the thermovent shutoff, and then can avoid when not needing the heat dissipation little granule dust to pass inside first semicircle ring dust guard and the inside of second semicircle ring dust guard gets into the casing, thereby can play better dustproof effect, avoid a large amount of dust to get into inside the casing, thereby can avoid the inside dust accumulation of casing, and then can improve planetary reducer's life.

As a further description of the above technical solution:

one side of the electromagnet, which is close to the permanent magnet, is fixedly connected with a buffer pad, the buffer pad is made of rubber materials, one end of the straight rod, which is far away from the permanent magnet, sequentially penetrates through the buffer pad, the electromagnet and the fixed frame and extends to the outer part of the fixed frame, and one end of the straight rod, which extends to the outer part of the fixed frame, is fixedly connected with the circular ring protection plate.

The buffer pad can buffer the permanent magnet when the permanent magnet moves to the side close to the electromagnet, so that the permanent magnet is prevented from colliding with the electromagnet, the permanent magnet and the electromagnet can be protected, and the service lives of the permanent magnet and the electromagnet are prolonged.

As a further description of the above technical solution:

the clamping assembly comprises a device groove, the device groove is formed in the inner wall of the heat dissipation opening, a sliding block is connected between two sides of the inner wall of the device groove in a sliding mode, and a clamping spring and a clamping block are fixedly connected to the top and the bottom of the sliding block respectively.

As a further description of the above technical solution:

the circular ring protection plate is matched with the heat dissipation opening.

As a further description of the above technical solution:

two rectangular slots are formed in one side of the first semicircular dustproof plate.

As a further description of the above technical solution:

two rectangular inserting blocks are arranged on one side, close to the first semicircular dustproof plate, of the second semicircular dustproof plate, and the rectangular inserting grooves are matched with the rectangular inserting blocks.

The utility model has the following beneficial effects:

compared with the prior art, this multistage planetary reducer, the setting through first semicircle ring dust guard and second semicircle ring dust guard can filter the big granule dust in the ambient air, thereby can avoid big granule dust to get into inside the casing, nevertheless little granule dust can not pass first semicircle ring dust guard and second semicircle ring dust guard and get into inside the casing, and then when the inside temperature of casing is less than the default, through outage with the electro-magnet, attract the electro-magnet through the magnetic force effect of permanent magnet, thereby make the permanent magnet remove to the one side that is close to the electro-magnet, thereby drive the ring guard and with the thermovent shutoff, and then can avoid when not needing the heat dissipation little granule dust to pass first semicircle ring dust guard and second semicircle ring dust guard get into inside the casing, thereby can play better dustproof effect, avoid a large amount of dust to get into inside the casing, thereby can avoid inside dust of casing to pile up, and then can improve planetary reducer's life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a multistage planetary reducer according to the present utility model;

FIG. 2 is a side cross-sectional view of a first semicircular ring dust guard and a second semicircular ring dust guard of a multi-stage planetary reducer according to the present utility model;

fig. 3 is a schematic structural diagram of a telescopic assembly of a multistage planetary reducer according to the present utility model;

fig. 4 is a structural perspective view of a ring protection plate and a support frame of the multistage planetary reducer according to the present utility model;

fig. 5 is an enlarged view at a in fig. 2.

Legend description:

1. a housing; 2. a heat radiation port; 3. a first semicircular dust guard; 4. a second semicircular dust guard; 5. a clamping groove; 6. a support frame; 7. a circular ring protection plate; 8. a fixed frame; 9. an electromagnet; 10. a permanent magnet; 11. a straight rod; 12. a temperature sensor; 13. a cushion pad; 14. a device slot; 15. a slide block; 16. a clamping spring; 17. a clamping block; 18. rectangular slots; 19. rectangular plug blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a multistage planetary reducer: including casing 1, thermovent 2 has all been seted up to the both sides of casing 1, thermovent 2's inside is provided with first semicircle ring dust guard 3 and second semicircle ring dust guard 4, chucking groove 5 has all been seted up to the top and the bottom of first semicircle ring dust guard 3 and second semicircle ring dust guard 4, the top and the bottom of thermovent 2 inner wall all are provided with chucking subassembly, fixedly connected with two support frames 6 between the top and the bottom of casing 1 inner wall, the equal fixedly connected with protection component in one side that two support frames 6 are separated, protection component includes two expansion assembly and ring guard 7, two expansion assembly equal fixedly connected with is on support frame 6, ring guard 7 fixedly connected with is between two expansion assembly, ring guard 7 and thermovent 2 looks adaptation, expansion assembly includes fixed frame 8 on fixed frame 6, one side fixedly connected with electro-magnet 9 of fixed frame 8 inner wall, and sliding connection has permanent magnet 10 between the top and the bottom of fixed frame 8 inner wall, one side fixedly connected with straight-bar 11 that permanent magnet 10 is close to electro-magnet 9, the top fixedly connected with temperature-sensing ware 12 of casing 1 inner wall.

The clamping assembly comprises a device groove 14, the device groove 14 is formed in the inner wall of the heat dissipation opening 2, a sliding block 15 is connected between two sides of the inner wall of the device groove 14 in a sliding mode, and a clamping spring 16 and a clamping block 17 are fixedly connected to the top and the bottom of the sliding block 15 respectively.

One side of the electromagnet 9, which is close to the permanent magnet 10, is fixedly connected with a buffer pad 13, the buffer pad 13 is made of rubber materials, one end of the straight rod 11, which is far away from the permanent magnet 10, sequentially penetrates through the buffer pad 13, the electromagnet 9 and the fixed frame 8 and extends to the outside of the fixed frame 8, and one end of the straight rod 11, which extends to the outside of the fixed frame 8, is fixedly connected with the ring protection plate 7.

Two rectangular slots 18 are formed in one side of the first semicircular dustproof plate 3, two rectangular inserting blocks 19 are formed in one side, close to the first semicircular dustproof plate 3, of the second semicircular dustproof plate 4, and the rectangular slots 18 are matched with the rectangular inserting blocks 19.

Working principle: during operation, the temperature inside the shell 1 is monitored through the temperature sensor 12, when the temperature inside the shell 1 is higher than a preset value, the electromagnet 9 is electrified, the electromagnet 9 generates magnetism, the magnetic poles of the electromagnet 9 and the magnetic poles of the surface opposite to the permanent magnet 10 are the same, and then the permanent magnet 10 is repelled, so that the permanent magnet 10 moves to the side far away from the electromagnet 9, the permanent magnet 10 moves to drive the ring protection plate 7 to exit the heat dissipation opening 2 through the straight rod 11, the heat dissipation opening 2 is in an open state, and then high-temperature air inside the shell 1 flows through the heat dissipation opening 2 and outside air, so that cooling treatment is carried out on parts inside the shell 1, the situation that the temperature is too high during operation of the planetary reducer can be avoided, and the service life of the planetary reducer can be prolonged;

the arrangement of the first semicircular dustproof plate 3 and the second semicircular dustproof plate 4 can filter large-particle dust in the outside air, so that the large-particle dust can be prevented from entering the machine shell 1, however, the small-particle dust can inevitably pass through the first semicircular dustproof plate 3 and the second semicircular dustproof plate 4 and enter the machine shell 1, when the temperature inside the machine shell 1 is lower than a preset value, the electromagnet 9 is powered off, the electromagnet 9 is demagnetized, the electromagnet 9 is attracted through the magnetic force of the permanent magnet 10, the permanent magnet 10 moves to the side close to the electromagnet 9, the annular protection plate 7 is driven to seal the heat dissipation opening 2, and the small-particle dust can be prevented from passing through the first semicircular dustproof plate 3 and the second semicircular dustproof plate 4 and entering the machine shell 1 when heat dissipation is not needed, so that a good dustproof effect can be achieved, a large amount of dust can be prevented from entering the machine shell 1, the interior of the machine shell 1 can be prevented from accumulating dust, and the service life of the planetary reducer can be prolonged;

when needs change or clean the maintenance to first semicircle ring dust guard 3 and second semicircle ring dust guard 4, remove first semicircle ring dust guard 3 and second semicircle ring dust guard 4 to the one side of keeping away from thermovent 2, and then make chucking piece 17 withdraw from chucking groove 5, and then can take out first semicircle ring dust guard 3 and second semicircle ring dust guard 4 from thermovent 2's inside, realize dismantling first semicircle ring dust guard 3 and second semicircle ring dust guard 4, otherwise, can realize the installation to first semicircle ring dust guard 3 and second semicircle ring dust guard 4, and then be convenient for the staff in time change or clean the maintenance to first semicircle ring dust guard 3 and second semicircle ring dust guard 4, thereby can improve the filter effect of first semicircle ring dust guard 3 and second semicircle ring dust guard 4.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a multistage planetary reducer, includes casing (1), its characterized in that: the utility model discloses a heat radiation device, which is characterized in that heat radiation ports (2) are respectively arranged on two sides of a shell (1), a first semicircular dustproof plate (3) and a second semicircular dustproof plate (4) are arranged in the heat radiation ports (2), clamping grooves (5) are respectively arranged on the top and the bottom of the first semicircular dustproof plate (3) and the second semicircular dustproof plate (4), clamping components are respectively arranged on the top and the bottom of the inner wall of the heat radiation ports (2), two supporting frames (6) are fixedly connected between the top and the bottom of the inner wall of the shell (1), a protection component is respectively fixedly connected on one side of each supporting frame (6) away from each other, the protection component comprises two telescopic components and a circular ring protection plate (7), the two telescopic components are fixedly connected to the supporting frame (6), the circular ring protection plate (7) is fixedly connected between the two telescopic components, the telescopic components comprise a fixed frame (8) fixedly connected to the supporting frame (6), an electromagnet (9) is fixedly connected to one side of the inner wall of the fixed frame (8), a permanent magnet (10) is slidably connected between the top and the bottom of the inner wall of the fixed frame (8), a straight rod (11) is fixedly connected to one side of the permanent magnet (10) close to the electromagnet (9), and a temperature sensor (12) is fixedly connected to the top of the inner wall of the casing (1).

2. The multi-stage planetary reducer of claim 1, wherein: one side fixedly connected with blotter (13) that electro-magnet (9) are close to permanent magnet (10), blotter (13) are made for rubber materials, the one end that permanent magnet (10) was kept away from to straight-bar (11) runs through blotter (13), electro-magnet (9) and fixed frame (8) in proper order and extends to the outside of fixed frame (8), the one end that straight-bar (11) extended to the outside of fixed frame (8) and ring guard plate (7) fixed connection.

3. The multi-stage planetary reducer of claim 1, wherein: the clamping assembly comprises a device groove (14), the device groove (14) is formed in the inner wall of the radiating opening (2), a sliding block (15) is connected between two sides of the inner wall of the device groove (14) in a sliding mode, and a clamping spring (16) and a clamping block (17) are fixedly connected to the top and the bottom of the sliding block (15) respectively.

4. The multi-stage planetary reducer of claim 1, wherein: the circular ring protection plate (7) is matched with the heat dissipation port (2).

5. The multi-stage planetary reducer of claim 1, wherein: two rectangular slots (18) are formed in one side of the first semicircular dustproof plate (3).

6. The multi-stage planetary reducer of claim 5, wherein: two rectangular inserting blocks (19) are arranged on one side, close to the first semicircular dustproof plate (3), of the second semicircular dustproof plate (4), and the rectangular inserting grooves (18) are matched with the rectangular inserting blocks (19).