Refueling-free gear reducer

Abstract

The utility model relates to a refueling-free gear reducer, which belongs to the technical field of reducers and comprises a reducer body, a protective cover is arranged on the reducer body, the protective cover is divided into a left cover and a right cover, the left cover and the right cover are identical in structure and opposite in direction, an air inlet is arranged at one end of the protective cover, the protective cover is connected with a flow guide cover, and heat dissipation airflow passes through the flow guide cover and then flows into the reducer body. The cold water in the cooling fin plates cools the air flow, so that the temperature of the air which finally returns to the periphery of the speed reducer body is not increased, the cold air flow always passes through the speed reducer body, the speed reducer body is kept within the working temperature, the use state of the speed reducer is prolonged, and lubricating oil does not need to be injected regularly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of speed reducer, specifically an oil-free gear speed reducer. BACKGROUND

[0002] The gear speed reducer is an external engagement involute helical cylindrical gear speed reducer produced according to the national professional standard ZBJ19004, and the gear speed reducer is widely used in the rotary mechanism of tower-introduced type crane machinery in East China, and is widely applied in the fields of metallurgy, mine, hoisting, transportation, cement, building, chemical industry, textile, printing and dyeing, pharmacy and the like.

[0003] The cooling of the speed reducer is achieved by the rotation of the fan inside the speed reducer, and the airflow caused by the rotation blows through the machine body to cool down, but after long time working, the air around the speed reducer is slowly heated to form a layer of hot air cover, and then the heat dissipation effect of the speed reducer is poor, which affects the operation of the speed reducer, causes the internal lubricating oil to burn, and finally the lubricating oil needs to be added regularly for lubrication. CONTENT OF THE UTILITY MODEL

[0004] 1. TECHNICAL PROBLEM TO BE SOLVED BY THE UTILITY MODEL

[0005] The utility model aims at solving the problems raised in the above background.

[0006] 2. TECHNICAL SCHEME

[0007] In order to achieve the above purpose, the utility model provides the technical scheme as follows:

[0008] The oil-free gear speed reducer comprises a speed reducer body, a protective cover is arranged on the speed reducer body, the protective cover is divided into a left cover and a right cover, the left cover and the right cover are of the same structure and are opposite in direction, one end of the protective cover is provided with an air inlet, the protective cover is connected with a flow guide cover, a plurality of heat dissipation fins are arranged between the flow guide cover and the protective cover, arc-shaped pipes are arranged on the heat dissipation fins, a pipe joint is arranged on one of the heat dissipation fins, the pipe joint is connected with a water cooler, and the heat dissipation fins are connected through the arc-shaped pipes.

[0009] Preferably, the heat dissipation fins are of a hollow structure, the adjacent flow guide covers are connected through the arc-shaped pipes, and the side of the heat dissipation fins facing the speed reducer is of a pointed end structure.

[0010] Preferably, the front end of the heat dissipation fin is attached to the speed reducer body, arc-shaped elastic sheets are arranged at the position where the heat dissipation fin is attached to the speed reducer body, and the arc-shaped elastic sheets are clamped in the housing grooves of the speed reducer body.

[0011] Preferably, a filter is arranged at the air inlet, and the filter is clamped and installed on the protective cover.

[0012] Preferably, the protective cover is detachable, the protective cover is a metal sheet, the protective cover is provided with a connecting sheet, the connecting sheet is provided with a jackscrew, and the protective cover is connected to the reducer body through the jackscrew.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The oil-free gear reducer has the following beneficial effects: the airflow after passing through the heat dissipation cover passes through the heat dissipation fin plate, the cold water in the heat dissipation fin plate cools the airflow, the air around the reducer body is not heated, the cold airflow always passes through the reducer body, the reducer body is kept at a working temperature, and the use state of the reducer body is prolonged, and the lubricating oil does not need to be periodically added. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the oil-free gear reducer of the utility model;

[0017] Fig. 2 It is a structure schematic view of the oil-free gear reducer of the utility model;

[0018] Fig. 3 It is a structure schematic view of the arc-shaped elastic sheet of the oil-free gear reducer of the utility model.

[0019] Explanation of the reference numerals in the schematic view:

[0020] 100, reducer body;

[0021] 200, protective cover; 210, flow guide cover; 220, heat dissipation fin plate; 230, arc-shaped tube; 240, pipe joint; 250, arc-shaped elastic sheet; 260, filter. DETAILED DESCRIPTION

[0022] In order for the personnel in the technical field to better understand the present application, the technical scheme in the present application will be clearly and completely described below in combination with the drawings in the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the personnel in the field without creative labor should belong to the scope of protection of the present application.

[0023] It should be noted that the terms "first", "second" and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a specific sequential or chronological order. It is to be understood that the use of these terms herein is merely for distinguishing between the similar objects and the use of these terms in the description and the claims of the present application is not to be construed as implying a specific order or chronology unless explicitly stated otherwise. Moreover, the terms "comprising", "having", "including", and the like, are to be construed open-ended, unless explicitly stated otherwise. The terms "comprise", "comprising", "having", "include", "including" and "contain", "containing" as used herein are used in their broadest sense and are used in particular to refer to compositions that consist of, or comprise, but also to compositions that consist essentially of, or comprise, or which are, but also to compositions that comprise, along with still yet another ingredient, an ingredient that is recited.

[0024] In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better description of the present application and its embodiments, and are not used to limit the indicated devices, elements or components to necessarily have a specific orientation, or to be constructed and operated in a specific orientation.

[0025] Also, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0026] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0028] Embodiment 1

[0029] Referring to the accompanying Figs. 1-3The oil-free gear reducer of the embodiment comprises a reducer body 100, a protective cover 200 is arranged on the reducer body 100, the protective cover 200 is divided into a left cover and a right cover, the left cover and the right cover are the same structure and are opposite in direction, one end of the protective cover 200 is provided with an air inlet, the protective cover 200 is connected with a flow guide cover 210, a plurality of heat dissipation fins 220 are arranged between the flow guide cover 210 and the protective cover 200, arc-shaped pipes 230 are arranged on the heat dissipation fins 220, a pipe joint 240 is arranged on one of the heat dissipation fins 220, the pipe joint 240 is connected with a water cooler, and the different heat dissipation fins 220 are connected through the arc-shaped pipes 230.

[0030] The heat dissipation fin 220 is of a hollow structure, the adjacent flow guide covers 210 are communicated through the arc-shaped pipes 230, and the side of the heat dissipation fin 220 opposite to the reducer body 100 is of a pointed end structure.

[0031] The front end of the heat dissipation fin 220 is attached to the reducer body 100, arc-shaped elastic sheets 250 are arranged at the position where the heat dissipation fin 220 is attached to the reducer body 100, and the arc-shaped elastic sheets 250 are clamped in the housing groove of the reducer body 100.

[0032] A filter 260 is arranged at the air inlet, and the filter 260 is clamped and installed on the protective cover 200.

[0033] The protective cover 200 is detachable, the protective cover 200 is a metal sheet, connecting pieces are arranged on the protective cover 200, the connecting pieces are provided with jackscrews, and the protective cover 200 is connected to the reducer body 100 through the jackscrews.

[0034] Working principle: The cooling of the reducer is realized by the rotation of the fan in the reducer, and the airflow generated by the rotation of the fan blows through the reducer body to cool the reducer. However, after long-time work, the air around the reducer is slowly heated to form a layer of hot air cover. After that, the heat dissipation effect of the reducer is poor, which affects the operation of the reducer, causes the internal lubricating oil to burn, and finally needs to be lubricated by regularly adding lubricating oil. The structure of the design, the airflow after the flow guide cover 210, through the heat dissipation fin 220, the cold water in the heat dissipation fin 220 cools the airflow, so that the air around the reducer body 100 does not heat up, and the cold airflow always passes through the reducer body 100, so that the reducer body 100 is kept at a working temperature, thereby prolonging the use state of the reducer, and the lubricating oil does not need to be regularly added.

[0035] The above-described embodiments only express certain implementation manners of the present application, and the description is relatively specific and detailed, but should not be understood as a limitation on the scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A self-lubricating gear reducer characterized by: Including speed reducer body (100), the speed reducer body (100) is equipped with protective cover (200), the protective cover (200) is divided into left cover and right cover, the left cover and right cover structure is same, opposite direction, one end of the protective cover (200) is equipped with air inlet, the protective cover (200) is connected with fairing (210), multiple heat dissipation fin plates (220) are arranged between the fairing (210) and protective cover (200), the heat dissipation fin plate (220) is equipped with arc tube (230), one heat dissipation fin plate (220) is equipped with pipe joint (240), the pipe joint (240) is connected with water cooler, different heat dissipation fin plates (220) are connected through arc tube (230).

2. A self-lubricating gear reducer according to claim 1, characterized in that: The heat dissipation fin plate (220) is hollow structure, adjacent fairing (210) is communicated through arc tube (230), the heat dissipation fin plate (220) is opposite to the side of speed reducer and is the pointed end structure.

3. A self-lubricating gear reducer as set forth in claim 1, characterized in that: The front end of the heat dissipation fin plate (220) is attached to the speed reducer body (100), and the heat dissipation fin plate (220) is attached to the speed reducer body (100). The arc spring (250) is arranged at the heat dissipation fin plate (220). The arc spring (250) is clamped in the shell groove of the speed reducer body (100).

4. A self-lubricating gear reducer as set forth in claim 1, characterized in that: The air inlet is provided with a filter (260), and the filter (260) is clamped and installed on the protective cover (200).

5. A self-lubricating gear reducer as set forth in claim 1, characterized in that: The protective cover (200) can be detached, the protective cover (200) is a metal sheet, the protective cover (200) is provided with a connecting sheet, the connecting sheet is provided with a jackscrew, and the protective cover (200) is connected to the speed reducer body (100) through the jackscrew.

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