CN215980745U

CN215980745U - Novel self-cooling speed reducer

Info

Publication number: CN215980745U
Application number: CN202122175389.1U
Authority: CN
Inventors: 姜文; 王冠甲; 王颖
Original assignee: Tianjin Fuma Speed Reducer Co ltd
Current assignee: Tianjin Fuma Speed Reducer Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-08
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of speed reducer equipment, in particular to a novel self-cooling speed reducer which comprises a speed reducer box body, a speed reducer box cover, a supporting base and a worm and gear transmission mechanism, wherein the speed reducer box cover is arranged at the upper end of the speed reducer box body, the speed reducer box cover and the speed reducer box body are detachably connected with each other, the supporting base is fixedly connected to the bottom of the speed reducer box body, the worm and gear transmission mechanism is arranged inside the speed reducer box body and comprises a worm, a worm gear and a worm gear shaft, a gear core is arranged inside the worm gear, an integral connection structure is formed between the gear core and the worm gear shaft, the worm is arranged at the lower end of the worm gear, the worm and the worm gear are meshed with each other and connected, and two oil retainer rings are arranged on one side of the worm gear shaft. The inspection hole cover is provided with the air breather, and hot air in the box body is exhausted through the air breather, so that the cooling function of the speed reducer is realized.

Description

Novel self-cooling speed reducer

Technical Field

The utility model relates to the technical field of speed reducer equipment, in particular to a novel self-cooling speed reducer.

Background

At present, the speed reducer is an independent part consisting of gear transmission, worm transmission and gear worm transmission which are enclosed in a rigid shell, is often used as a speed reduction and force increasing transmission device between a power machine and a working machine, plays roles of matching rotating speed and transmitting amplifying torque between the power machine and the working machine or an execution mechanism, and is widely applied to modern machinery, when the existing speed reducer is used, air in a speed reducer box body expands due to temperature rise, hot air in the speed reducer box body can cause overheating of the speed reducer, and normal use of the speed reducer is influenced, when a worm wheel in the existing speed reducer box body rotates, the oil throwing phenomenon easily occurs, the speed reducer easily causes the oil leakage phenomenon, when the speed reducer is serious, the speed reducer needs to be stopped once for one month for oil supplement, and the normal use of the speed reducer is influenced, and if the existing speed reducer has a fault, the speed reducer box body is generally required to be integrally disassembled and assembled, it is inconvenient to maintain.

Therefore, the present invention provides a novel self-cooling speed reducer to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel self-cooling speed reducer in order to overcome the defects in the prior art, and the novel self-cooling speed reducer is characterized in that an aerator is arranged on an inspection hole cover, hot air in a box body is discharged through the aerator, and further the cooling function of the speed reducer is realized.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a novel self-cooling speed reducer, includes speed reducer box, speed reducer case lid, supports base and worm gear drive mechanism, the speed reducer case lid sets up in the upper end of speed reducer box, is connected for dismantling each other between speed reducer case lid and the speed reducer box, support base fixed connection in the bottom of speed reducer box, worm gear drive mechanism installs the inside at the speed reducer box, worm gear drive mechanism is provided with the wheel core including worm, worm wheel and worm wheel axle in the inside of worm wheel, and connection structure as an organic whole between wheel core and the worm wheel axle, the worm setting is connected with the inspection handhole door in the lower extreme of worm wheel, intermeshing between worm and the worm wheel, is connected with the inspection handhole door in the upper end of speed reducer case lid, installs the breather in the upper end of inspection handhole door.

Further, the speed reducer box body is connected with the speed reducer box cover through bolts and nuts, the butterfly spring washer is installed on the nut installation surface, and the bolts and the nuts are respectively combined with the spring washer into a whole.

Furthermore, two oil slingers are installed on one side of the worm wheel shaft.

Furthermore, one side of the speed reducer box body is fixedly connected with a transparent cover A, one end of the worm penetrates through a center hole of the transparent cover A, and the transparent cover A and the worm are mutually sealed through a felt oil seal A.

Furthermore, the worm is sleeved with a tapered roller bearing, and the tapered roller bearing adopts a single-row tapered roller bearing.

Furthermore, a transparent cover B is fixedly connected to the front end of the speed reducer box body, one end of the worm wheel shaft penetrates through a center hole of the transparent cover B, and the transparent cover B and the worm wheel shaft are sealed with each other through a felt oil seal B.

The utility model has the advantages that: the utility model provides a novel self-cooling speed reducer, which comprises a speed reducer box body, a speed reducer box cover, a supporting base and a worm gear transmission mechanism, wherein the speed reducer box cover is arranged at the upper end of the speed reducer box body, the speed reducer box body is connected with the speed reducer box cover through bolts and nuts, a butterfly spring washer is arranged on a nut mounting surface, the bolts and the nuts are respectively combined with the spring washer into a whole, the speed reducer box body and the speed reducer box cover are convenient to mount and dismount, when the speed reducer fails, the speed reducer box body does not need to be integrally dismounted, only the speed reducer box cover needs to be dismounted, and the speed reducer is convenient to maintain. The hot air in the speed reducer box can be normally discharged through the breather, and the problem of oil leakage caused by oil throwing out when the worm wheel rotates can be effectively prevented, so that the normal use of the speed reducer is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic top down cross-sectional view of the present invention;

wherein:

1. an aerator; 2. An inspection hole cover; 3. A cover of the reduction gearbox;

4. a speed reducer box body; 5. A bolt; 6. A nut;

7. a spring washer; 8. A worm; 9. A felt oil seal A;

10. a transparent cover A; 11. A worm gear shaft; 12. A worm gear;

13. a tapered roller bearing; 14. A support base; 15. A wheel core;

16. a transparent cover B; 17. A felt oil seal B; 18. And an oil scraper ring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

fig. 1 is a schematic cross-sectional structure view of the present invention, fig. 2 is a schematic cross-sectional structure view of the present invention, and fig. 1 and fig. 2 show a novel self-cooling speed reducer, which includes a speed reducer box 4, a speed reducer box cover 3, a support base 14, and a worm gear transmission mechanism, wherein the speed reducer box cover 3 is disposed at the upper end of the speed reducer box 4, the speed reducer box cover 3 and the speed reducer box 4 are detachably connected to each other, the support base 14 is fixedly connected to the bottom of the speed reducer box 4, the worm gear transmission mechanism is installed inside the speed reducer box 4, the worm gear transmission mechanism includes a worm 8, a worm wheel 12, and a worm wheel shaft 11, the worm 8 adopts a ZK tooth profile, and is a non-linear helical curved surface worm, and the precision of the worm is high.

Example 2:

fig. 1 is a schematic diagram of a transverse cross-sectional structure of the present invention, fig. 2 is a schematic diagram of a cross-sectional structure of the present invention, which is taken from a top down direction, and as shown in fig. 1 and fig. 2, a wheel core 15 is disposed inside a worm wheel 12, the wheel core 15 and the worm wheel shaft 11 are in an integral connection structure, a worm 8 is disposed at a lower end of the worm wheel 12, the worm 8 and the worm wheel 12 are in meshed connection with each other, two oil slingers 18 are mounted at one side of the worm wheel shaft 11, when the worm wheel 12 rotates, the oil slingers 18 can retain oil thrown out when the worm wheel 12 rotates, so that hot air inside a speed reducer box 4 can be normally discharged through an aerator 1, and at the same time, the problem of oil leakage caused by the oil thrown out when the worm wheel 12 rotates can be effectively prevented, and normal use of the speed reducer is ensured.

Example 3:

fig. 1 is a schematic cross-sectional view of the present invention, fig. 2 is a schematic cross-sectional view of the present invention, and as shown in fig. 1 and fig. 2, a novel self-cooling speed reducer is provided, wherein a speed reducer box 4 is connected with a speed reducer box cover 3 through a bolt 5 and a nut 6, a belleville spring washer 7 is installed on an installation surface of the nut 6, the bolt 5 and the nut 6 are respectively combined with the spring washer 7 into a whole, an inspection hole cover 2 is connected to an upper end of the speed reducer box cover 3, an operation state inside the speed reducer can be observed through the inspection hole cover 2, a ventilator 1 is installed at an upper end of the inspection hole cover 2, and hot air in the speed reducer box 4 can be discharged through the ventilator 1, so as to achieve an effect of reducing a temperature inside the speed reducer box 4.

Example 4:

FIG. 1 is a cross-sectional view of the present invention, FIG. 2 is a top-down cross-sectional view of the present invention, as shown in figures 1 and 2, the utility model is a novel self-cooling speed reducer, a conical roller bearing 13 is sleeved outside a worm 8, the conical roller bearing 13 adopts a single-row conical roller bearing 13, the single-row conical roller bearing 13 can bear radial load and single-direction axial load, a transparent cover A10 is fixedly connected to one side of a speed reducer box body 4, one end of the worm 8 passes through the central hole of the transparent cover A10, the transparent cover A10 and the worm 8 are sealed with each other through a felt oil seal A9, the front end of the speed reducer box body 4 is fixedly connected with a through cover B16, one end of the worm wheel shaft 11 penetrates through a center hole of the through cover B16, the through cover B16 and the worm wheel shaft 11 are mutually sealed through a felt oil seal B17, and the felt oil seal A9 and the felt oil seal B17 can play a role in preventing oil leakage of the speed reducer box body 4.

The working mode is as follows: the utility model provides a novel self-cooling speed reducer, which comprises a speed reducer box body 4, a speed reducer box cover 3, a supporting base 14 and a worm and gear transmission mechanism, wherein the speed reducer box cover 3 is arranged at the upper end of the speed reducer box body 4, the speed reducer box cover 3 and the speed reducer box body 4 can be assembled and disassembled through a bolt 5, a nut 6 and a spring washer 7, the assembly and the disassembly are convenient, the worm and gear transmission mechanism is arranged in the speed reducer box body 4 and comprises a worm 8, a worm gear 12 and a worm gear shaft 11, the worm 8 can drive the worm gear 12 to rotate, a wheel core 15 is arranged in the worm gear 12, the wheel core 15 and the worm gear shaft 11 are in an integral connecting structure, the worm 8 is arranged at the lower end of the worm gear 12, and the worm 8 and the worm gear 12 are in meshed connection with each other, the utility model is provided with an aerator 1 on an inspection hole cover 2, hot air in the speed reducer box body 4 is discharged through the aerator 1, and then realize the cooling function of the speed reducer, install two oil scraper rings 18 on one side of worm wheel axle 11, oil scraper ring 18 can block the oil that throws out when worm wheel 12 rotates, can guarantee that the inside hot-air of speed reducer box 4 can be through normal discharge of breather 1 simultaneously also can effectively prevent the problem that leads to the oil leak because of throwing out oil when worm wheel 12 rotates.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a novel self-cooling speed reducer, includes speed reducer box (4), speed reducer case lid (3), supports base (14) and worm gear drive mechanism, its characterized in that: the speed reducer box cover (3) is arranged at the upper end of the speed reducer box body (4), the speed reducer box cover (3) and the speed reducer box body (4) are detachably connected with each other, the supporting base (14) is fixedly connected with the bottom of the speed reducer box body (4), the worm gear and worm transmission mechanism is arranged in the speed reducer box body (4), the worm gear and worm transmission mechanism comprises a worm (8), a worm wheel (12) and a worm wheel shaft (11), a wheel core (15) is arranged in the worm wheel (12), the wheel core (15) and the worm wheel shaft (11) are in an integral connecting structure, the worm (8) is arranged at the lower end of the worm wheel (12), the worm (8) and the worm wheel (12) are mutually meshed and connected, an inspection hole cover (2) is connected to the upper end of the speed reducer case cover (3), and a breather (1) is installed at the upper end of the inspection hole cover (2).

2. The novel self-cooling speed reducer according to claim 1, wherein: the reduction gearbox is characterized in that the reduction gearbox body (4) is connected with the reduction gearbox cover (3) through bolts (5) and nuts (6), butterfly spring washers (7) are installed on installation surfaces of the nuts (6), and the bolts (5) and the nuts (6) are combined with the spring washers (7) into a whole respectively.

3. The novel self-cooling speed reducer according to claim 1, wherein: and two oil slingers (18) are mounted on one side of the worm wheel shaft (11).

4. The novel self-cooling speed reducer according to claim 1, wherein: one side fixedly connected with of speed reducer box (4) passes through lid A (10), the one end of worm (8) passes through the centre bore of passing through lid A (10), passes through between lid A (10) and the worm (8) through felt oil blanket A (9) mutual sealing.

5. The novel self-cooling speed reducer according to claim 1, wherein: the worm (8) is sleeved with a tapered roller bearing (13), and the tapered roller bearing (13) adopts a single-row tapered roller bearing (13).

6. The novel self-cooling speed reducer according to claim 1, wherein: the front end of the speed reducer box body (4) is fixedly connected with a transparent cover B (16), one end of the worm wheel shaft (11) penetrates through a center hole of the transparent cover B (16), and the transparent cover B (16) and the worm wheel shaft (11) are sealed mutually through a felt oil seal B (17).