CN212839304U - Heading machine cutting speed reducer capable of preventing oil leakage at input end - Google Patents

Abstract

The utility model belongs to the technical field of speed reducer, concretely relates to entry driving machine cutting speed reducer for preventing input oil leakage, including the speed reducer body that is provided with the input end cover, wear to be equipped with the input shaft in the input end cover, the cover is equipped with the axle sleeve on the input shaft, the outside of axle sleeve is provided with at least two skeleton oil seals, all skeleton oil seals are equidirectional to set up, the skeleton oil seal is located between axle sleeve and the input end cover; the utility model discloses a prevent entry driving machine cutting speed reducer of input oil seepage simple structure is reasonable, it is serious to compare in the direct assembly wearing and tearing of traditional cutting speed reducer input skeleton oil blanket and input shaft, the axle sleeve is established to the cover on the input shaft, input shaft and axle sleeve assembly, axle sleeve and skeleton oil blanket assembly, can reduce the wearing and tearing of input shaft and skeleton oil blanket, the axle sleeve outside sets up two at least syntropy skeleton oil blanket, compare in traditional cutting speed reducer input adoption skeleton oil blanket, can prevent effectively that outside impurity from getting into in the speed reducer box, guarantee the leakproofness, reduce the risk of oil seepage leak.

Description

Heading machine cutting speed reducer capable of preventing oil leakage at input end

Technical Field

The utility model belongs to the technical field of the speed reducer, concretely relates to prevent entry driving machine cutting speed reducer of input oil impregnate.

Background

The cutting speed reducer of the heading machine in the prior art is shown in figures 1-2, an input shaft and a framework oil seal are directly assembled, a friction state is kept between the input shaft and the framework oil seal for a long time, lubricating oil is used for lubricating in the operation process, friction between the input shaft and the framework oil seal is reduced as much as possible, but long-term work and external dust and impurities are invaded, so that the framework oil seal is damaged by friction or the framework oil seal wears the input shaft, the input end of the speed reducer is sealed, and oil leakage is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that prior art exists, the utility model provides a prevent entry driving machine cutting speed reducer of input oil impregnate, the sealed problem easily appears in the input of entry driving machine cutting speed reducer to prior art and leads to the condition and the research and development of oil impregnate oil, and simple structure is reasonable, can effectively guarantee the leakproofness of cutting the speed reducer, prevents the emergence of the oil impregnate oil condition.

The utility model discloses a following technical scheme specifically realizes:

the utility model discloses a prevent entry driving machine cutting speed reducer of input oil impregnate, including the speed reducer body, be provided with the input end cover on the speed reducer body, wear to be equipped with the input shaft in the input end cover, the cover is equipped with the axle sleeve on the input shaft, the outside of axle sleeve is provided with two at least skeleton oil blanket, all the skeleton oil blanket syntropy sets up, the skeleton oil blanket is located the axle sleeve with between the input end cover.

Furthermore, an O-shaped sealing ring is further arranged between the shaft sleeve and the input shaft, an annular caulking groove is formed in the inner wall of the shaft sleeve, and the O-shaped sealing ring is embedded in the shaft sleeve.

Further, the number of the framework oil seals is two.

Furthermore, a blocking ring facing the input shaft is formed on the inner wall of the input end cover, and the two framework oil seals are respectively located on two sides of the blocking ring.

Further, the framework oil seal is a structural member made of a fluororubber material.

Further, the skeleton oil blanket with axle sleeve interference fit, the skeleton oil blanket with axle sleeve rotary contact is sealed.

Further, the shaft sleeve and the input shaft are in transition fit and are fixedly connected through adhesive.

Further, the outer end face of the shaft sleeve is also provided with a dismounting hole.

Further, the disassembly hole is a thread.

Further, the input end cover is fixedly connected with the speed reducer body through a bolt.

Based on above technical scheme, the utility model discloses a technological effect does:

the utility model discloses a prevent entry driving machine cutting speed reducer of input oil seepage simple structure is reasonable, overlaps on the input shaft and establishes the axle sleeve, input shaft and axle sleeve assembly, axle sleeve and skeleton oil blanket assembly, and direct assembly wearing and tearing are serious compared with traditional cutting speed reducer input skeleton oil blanket and input shaft, can reduce the wearing and tearing of input shaft and skeleton oil blanket, prolongs the life of skeleton oil blanket, guarantees the leakproofness; the axle sleeve outside sets up the skeleton oil blanket of two at least syntropies, compares in traditional cut speed reducer input and adopts a skeleton oil blanket, can prevent effectively that outside impurity from getting into in the speed reducer box, further guarantees the leakproofness, reduces the risk of oil leakage.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cutting speed reducer of a heading machine in the prior art;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a cutting speed reducer of the heading machine for preventing oil leakage at an input end of the embodiment;

fig. 4 is a partially enlarged view of B in fig. 3.

In the figure:

1-a reducer body;

2-input end cover, 201-baffle ring;

3-an input shaft;

4-shaft sleeve, 401-caulking groove, 402-dismounting hole;

5-framework oil seal;

6-O type sealing ring;

7-bolt.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 3 to 4, the present embodiment provides a heading machine cutting speed reducer capable of preventing oil leakage at an input end, including a speed reducer body 1, an input end cover 2 is provided on the speed reducer body 1, an input shaft 3 penetrates through the input end cover 2, a shaft sleeve 4 is sleeved on the input shaft 3, two framework oil seals 5 are provided on the outer side of the shaft sleeve 4, the two framework oil seals 5 are arranged in the same direction, and the framework oil seals 5 are located between the shaft sleeve 4 and the input end cover 2.

Based on the structure, when the cutting speed reducer of the development machine for preventing the oil leakage of the input end is used specifically, the input shaft 3 is sleeved with the shaft sleeve 4, the input shaft 3 is assembled with the shaft sleeve 4, and the shaft sleeve 4 is assembled with the framework oil seal 5, so that compared with the situation that the input shaft of the cutting speed reducer of the traditional development machine is directly assembled with the framework oil seal to cause serious abrasion and easily cause sealing problems and oil leakage, the cutting speed reducer of the embodiment can effectively reduce the abrasion of the input shaft 3 and the framework oil seal 5, prolong the service life of the framework oil seal 5 and ensure the sealing performance of the input end of the cutting speed reducer;

the outside of axle sleeve 4 is provided with two syntropy skeleton oil blanket 5, improves to syntropy double oil blanket by traditional single oil blanket, compares in traditional cutting speed reducer input and adopts a skeleton oil blanket, and the leakproofness is better, can prevent effectively that outside impurity from getting into in the speed reducer box, reduces the risk of oil leakage.

As a further improvement of this embodiment, an O-ring seal 6 is further disposed between the shaft sleeve 4 and the input shaft 3, an annular caulking groove 401 is disposed on an inner wall of the shaft sleeve 4, and the O-ring seal 6 is embedded in the shaft sleeve 4, so as to further ensure the sealing property between the input shaft 3 and the shaft sleeve 4 and prevent oil leakage at the input end of the cutting speed reducer.

As a further improvement of this embodiment, be formed with the orientation on the inner wall of input end cover 2 the fender ring 201 of input shaft 3, two skeleton oil blanket 5 is located respectively keep off the both sides of ring 201, two in the assembly during skeleton oil blanket 5, keep off ring 201 and can play the positioning action, 2 inboard skeleton oil blanket 5 of input end cover offset with the inside wall that keeps off ring 201, the skeleton oil blanket 5 in the 2 outsides of input end cover offsets with the lateral wall that keeps off ring 201.

In this embodiment, the framework oil seal 5 is a structural member made of a fluororubber material, and the framework oil seal 5 made of the fluororubber material has good heat resistance, oil resistance, corrosion resistance and oxidation resistance, so that the framework oil seal 5 has a stable sealing effect and a longer service life.

In this embodiment, the skeleton oil blanket 5 with 4 interference fit of axle sleeve, the skeleton oil blanket 5 with 4 swivelling contact of axle sleeve are sealed, axle sleeve 4 with 3 transitional coupling of input shaft are connected fixedly through the viscose agent.

As a further improvement of this embodiment, the outer end surface of the shaft sleeve 4 is further provided with a detachment hole 402, specifically, in this embodiment, the detachment hole 402 is a threaded hole, when the shaft sleeve 4 needs to be detached, a bolt is screwed into the detachment hole 402 in a threaded manner, and then the shaft sleeve 4 is pulled out.

In this embodiment, the input end cover 2 is fixedly connected to the speed reducer body 1 through a bolt 7.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a prevent entry driving machine cutting speed reducer of input oil impregnate which characterized in that: including speed reducer body (1), be provided with input end cover (2) on speed reducer body (1), wear to be equipped with input shaft (3) in input end cover (2), the cover is equipped with axle sleeve (4) on input shaft (3), the outside of axle sleeve (4) is provided with two at least skeleton oil blanket (5), all skeleton oil blanket (5) syntropy sets up, skeleton oil blanket (5) are located axle sleeve (4) with between the input end cover (2).

2. The heading machine cutting speed reducer for preventing oil leakage at the input end of claim 1, wherein: the novel motor is characterized in that an O-shaped sealing ring (6) is further arranged between the shaft sleeve (4) and the input shaft (3), an annular caulking groove (401) is formed in the inner wall of the shaft sleeve (4), and the O-shaped sealing ring (6) is embedded in the shaft sleeve (4).

3. The heading machine cutting speed reducer for preventing oil leakage at the input end of claim 2, wherein: the number of the framework oil seals (5) is two.

4. A heading machine cutting speed reducer for preventing oil leakage at the input end according to claim 3, characterized in that: the inner wall of the input end cover (2) is provided with a blocking ring (201) facing the input shaft (3), and the two framework oil seals (5) are respectively positioned on two sides of the blocking ring (201).

5. A heading machine cutting speed reducer for preventing oil leakage at an input end according to any one of claims 1 to 4, wherein: the framework oil seal (5) is a structural member made of a fluororubber material.

6. A heading machine cutting speed reducer for preventing oil leakage at an input end according to any one of claims 1 to 4, wherein: the framework oil seal (5) is in interference fit with the shaft sleeve (4), and the framework oil seal (5) is in rotary contact sealing with the shaft sleeve (4).

7. The heading machine cutting speed reducer for preventing oil leakage at the input end of claim 6, wherein: the shaft sleeve (4) is in transition fit with the input shaft (3) and is connected and fixed through adhesive.

8. A heading machine cutting speed reducer for preventing oil leakage at an input end according to any one of claims 1 to 4, wherein: the outer end face of the shaft sleeve (4) is also provided with a dismounting hole (402).

9. The heading machine cutting speed reducer for preventing oil leakage at the input end of claim 8, wherein: the dismounting hole (402) is a threaded hole.

10. The heading machine cutting speed reducer for preventing oil leakage at the input end of claim 7, wherein: the input end cover (2) is fixedly connected with the speed reducer body (1) through a bolt (7).

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