Gear reducer

By introducing an automatic oil filling mechanism and heat dissipation fins into the gear reducer, the problem of inconvenient maintenance is solved, automatic regular oil filling and heat dissipation are achieved, and the service life is extended.

CN223447610UActive Publication Date: 2025-10-17HANGZHOU YIDINGHUA MICRO TRANSMISSION EQUIP CO LTD
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Patent Information

Application Number
CN202422773470.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-10-17
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

Existing gear reducers are not easy to maintain in certain installation locations, which makes regular maintenance difficult and shortens their service life.

Method used

A gear reducer including a gearbox, an oil filling mechanism and heat dissipation fins was designed. The oil filling mechanism automatically and periodically fills oil through an electric push rod and a push plate. The oil filling hole and bolt structure facilitate maintenance, and the heat dissipation fins improve the heat dissipation capacity.

Benefits of technology

It realizes automatic and regular oil filling in locations that are inconvenient for maintenance, reduces the number of maintenance times, improves the heat dissipation capacity of the device, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gear speed reducer, which belongs to the technical field of speed reducers and comprises a gear box, and a speed reducer main body is fixedly connected in the gear box. The oil injection mechanism comprises an oil tank, an electric push rod, a push plate and an inner cavity, the oil tank is fixedly connected to the upper end of the gearbox, the inner cavity is formed in the oil tank, the push plate is slidably connected into the oil tank, the electric push rod is fixedly connected to one end of the oil tank, and the output end of the electric push rod movably penetrates through the oil tank and is fixed to one side end of the push plate; by using the device, when the device is mounted at a position inconvenient to maintain, the oil injection mechanism periodically and automatically injects oil, so that the oil injection maintenance times of the device are reduced, and the device is convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of speed reducer, specifically relates to a gear speed reducer. BACKGROUND

[0002] Gear speed reducer is a power transmission mechanism, using the speed converter of gear, the rotation number of motor (motor) is reduced to the required speed, and the device obtains larger torque. Between the prime mover and the working machine or the actuator, it plays a role in matching speed and transmitting torque, and is widely used in modern machinery. Gear speed reducer can be divided into single-stage and multi-stage speed reducer according to the number of transmission stages, and can be divided into cylindrical gear speed reducer, conical gear speed reducer, conical-cylindrical gear speed reducer, planetary gear speed reducer and the like according to the shape and arrangement of gear. Gear speed reducer is widely used in various power transmission systems, including industrial manufacturing, construction machinery, automobile industry, aerospace and other fields. Its advantages include high efficiency, high precision, high reliability, low noise, low vibration, compact structure, easy maintenance and the like. The design and manufacture of gear speed reducer need to consider many factors, such as gear material, gear precision, gear heat treatment, gear lubrication, etc., to ensure its performance and service life. Gear speed reducer plays an important role in industrial production and is one of the indispensable important equipment in modern industry.

[0003] In the prior art, gear speed reducer reduces the speed by gear combination, and the friction between gears generates heat and wear, so it needs to be oiled regularly to reduce gear wear and corrosion and prolong the service life of the speed reducer, and for some speed reducers, the installation position is not convenient for maintenance, and regular maintenance is not convenient, which affects the service life of the speed reducer. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a gear speed reducer, which aims at solving the problem of the installation position of some speed reducers in the prior art, which is not convenient for maintenance, regular maintenance is not convenient, and maintenance affects the service life of the speed reducer.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A gear speed reducer, comprising:

[0007] A gear box is fixedly connected with a speed reducer body;

[0008] An oiling mechanism comprises an oil tank, an electric push rod, a push plate and an inner cavity, the oil tank is fixedly connected to the upper end of the gear box, the inner cavity is arranged in the oil tank, the push plate is slidingly connected in the oil tank, the electric push rod is fixedly connected to one end of the oil tank, and the output end of the electric push rod is movably penetrated through the oil tank and fixedly connected with one side end of the push plate.

[0009] As an optimal scheme of the utility model, the oil tank is internally provided with an oil injection groove, and the oil injection groove is connected with the gear box.

[0010] As an optimal scheme of the utility model, the upper end of the oil tank is provided with an oil filling hole, and the oil filling hole is slidably connected with a fixing plate.

[0011] As an optimal scheme of the utility model, the fixing plate is slidably connected with a plurality of bolts, and the upper end of the oil tank is provided with a plurality of threaded holes, and the plurality of bolts are respectively threadedly connected in the plurality of threaded holes.

[0012] As an optimal scheme of the utility model, the lower end of the gear box is fixedly connected with a pad on both sides.

[0013] As an optimal scheme of the utility model, the upper end of the gear box is fixedly connected with a plurality of heat dissipation fins.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. In the scheme, when the device is installed in a position inconvenient for maintenance, the oil injection mechanism periodically and automatically injects oil, reduces the number of times of device oil injection maintenance, and is convenient to use.

[0016] 2. In the scheme, the heat dissipation fins are used to increase the contact area of the gear box with the outside world, and improve the heat dissipation capacity of the gear box. DETAILED DESCRIPTION

[0017] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0018] Fig. 1 It is the first perspective view of the utility model;

[0019] Fig. 2 It is the second perspective view of the utility model;

[0020] Fig. 3 It is the sectional view of the utility model.

[0021] In the drawings: 1, speed reducer main body; 2, gear box; 3, pad; 4, oil tank; 5, electric push rod; 6, oil injection groove; 7, inner cavity; 8, push plate; 9, oil filling hole; 10, fixing plate; 11, heat dissipation fin. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0023] Embodiment

[0024] Please refer to Figs. 1-3 The present application provides the following technical solutions:

[0025] A gear reducer comprises:

[0026] A gear box 2 is fixedly connected with a reducer main body 1 inside.

[0027] An oil injection mechanism comprises an oil tank 4, an electric push rod 5, a push plate 8 and an inner cavity 7. The oil tank 4 is fixedly connected to the upper end of the gear box 2. The inner cavity 7 is arranged in the oil tank 4. The push plate 8 is slidingly connected in the oil tank 4. The electric push rod 5 is fixedly connected to one end of the oil tank 4. The output end of the electric push rod 5 is movably penetrated into the oil tank 4 and fixedly connected to one side end of the push plate 8.

[0028] In the specific embodiment of the present application, the inner cavity 7 arranged in the oil tank 4 is used for placing the lubricating grease. The lubricating grease is arranged on one side of the push plate 8. When it is needed to inject oil into the gear box 2, the electric push rod 5 is controlled to operate. The elongated end of the electric push rod 5 drives the push plate 8 to move. The push plate 8 pushes the lubricating grease to flow into the gear box 2 through the oil injection groove 6 to complete the oil injection. The operation cycle of the electric push rod 5 is controlled by the PLC control system.

[0029] Specifically, please refer to Figs. 1-3 An oil injection groove 6 is arranged in the oil tank 4 and connected with the gear box 2.

[0030] In the embodiment, the lubricating grease in the inner cavity 7 is added into the gear box 2 through the oil injection groove 6.

[0031] Specifically, please refer to Figs. 1-3 An oil filling hole 9 is arranged at the upper end of the oil tank 4. A fixed plate 10 is slidingly connected in the oil filling hole 9.

[0032] In the embodiment, the oil filling hole 9 is arranged to facilitate the addition of the lubricating grease into the inner cavity 7. The fixed plate 10 is slidingly arranged in the oil filling hole 9. The fixed plate 10 is used for sealing the oil filling hole 9. When the oil injection is not needed, the oil filling hole 9 is sealed. When the oil injection is needed, the fixed plate 10 is taken out from the oil filling hole 9 to perform the oil injection.

[0033] Specifically, please refer to Figs. 1-3The fixed plate 10 is slidably connected with a plurality of bolts, and the upper end of the oil tank 4 is provided with a plurality of threaded holes, and the plurality of bolts are respectively screwed into the plurality of threaded holes.

[0034] In the embodiment, the fixed plate 10 is connected with the oil tank 4 through the bolts and the threaded holes, so that the fixed plate 10 is convenient to install and disassemble.

[0035] For details, please refer to Figs. 1-3 The lower end of the gear box 2 is fixedly connected with a plurality of feet 3.

[0036] In the embodiment, the feet 3 support the gear box 2, and the surface of the feet 3 is provided with a plurality of holes, so that the feet 3 are connected with the connecting members.

[0037] For details, please refer to Figs. 1-3 The upper end of the gear box 2 is fixedly connected with a plurality of heat dissipation fins 11.

[0038] In the embodiment, the heat dissipation fins 11 increase the contact area between the gear box 2 and the outside, and improve the heat dissipation capacity of the gear box 2.

[0039] It should be noted that: the specific use of which type of speed reducer main body 1, gear box 2 and electric push rod 5 is selected by the person skilled in the relevant technical field, and the above about speed reducer main body 1, gear box 2 and electric push rod 5 etc. All belong to the prior art, and the present scheme is not described.

[0040] The working principle and use process of the utility model: before using the device, add enough lubricating grease in the inner cavity 7, and then install the feet 3 at the position required to be used; through the periodic operation of the electric push rod 5 in the oil injection mechanism, the elongated end of the electric push rod 5 drives the sliding of the push plate 8 in the inner cavity 7, and the push plate 8 regularly pushes the lubricating grease to be injected into the gear box 2 from the oil injection groove 6, so that regular oil injection maintenance is realized; through the use of the device, when the device is installed at a position inconvenient to maintain, the oil injection mechanism automatically injects oil periodically, reduces the number of device oil injection maintenance, and is convenient to use.

[0041] Finally, it should be pointed out that: the above only describes the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A gear reducer, characterized in that: include: A gear box (2), wherein the reducer body (1) is fixedly connected to the gear box (2); The oil filling mechanism comprises an oil tank (4), an electric push rod (5), a push plate (8) and an inner cavity (7); the oil tank (4) is fixedly connected to the upper end of the gear box (2); the inner cavity (7) is arranged in the oil tank (4); the push plate (8) is slidably connected in the oil tank (4); the electric push rod (5) is fixedly connected to one end of the oil tank (4); the output end of the electric push rod (5) movably passes through the oil tank (4) and is fixed to one side end of the push plate (8).

2. A gear reducer according to claim 1, characterized in that: An oil filling groove (6) is provided in the oil tank (4), and the oil filling groove (6) is connected to the inside of the gear box (2).

3. The gear reducer according to claim 2, characterized in that: A refueling hole (9) is provided at the upper end of the oil tank (4), and a fixing plate (10) is slidably connected in the refueling hole (9).

4. The gear reducer according to claim 3, characterized in that: A plurality of bolts are slidably connected in the fixing plate (10), and a plurality of threaded holes are provided at the upper end of the oil tank (4), and the plurality of bolts are respectively threadedly connected in the plurality of threaded holes.

5. The gear reducer according to claim 4, characterized in that: Both sides of the lower end of the gear box (2) are fixedly connected with pads (3).

6. The gear reducer according to claim 5, characterized in that: A plurality of heat dissipation fins (11) are fixedly connected to the upper end of the gear box (2).