Angular travel reduction gearbox with pressure adjusting device

Abstract

The utility model provides an angular travel reduction gearbox with a pressure adjusting device, which comprises a reduction gearbox body, and further comprises a pre-oil-gas separation assembly, a ventilation assembly, a rear oil-gas separation assembly, a filtering assembly and a sealing assembly. Rainwater can be effectively prevented from entering the reduction gearbox through the exhaust channel, meanwhile, dust and water are intercepted through the filter screen, the reduction gearbox is effectively prevented from being damaged by the dust and the water, the service life of the reduction gearbox is effectively prolonged, and when oil steam is exhausted through the first filter screen, the second filter screen and the guide groove, the oil steam is prevented from entering the reduction gearbox. Oil and gas in the oil steam are separated for multiple times, and the separated lubricating oil flows back to the reduction gearbox under the guide of the guide groove, so that the loss of the lubricating oil is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction gear boxes, in particular to an angular travel reduction gear box with a pressure regulating device. Background Art

[0002] Patent document CN214171281U discloses a reducer breather cap, which relates to the technical field of auxiliary equipment for reducers, including a connecting pipe, wherein both ends of the connecting pipe are provided with threads, a connecting cap is installed at one end of the connecting pipe, the other end of the connecting pipe is installed on the reducer, a vent plug is installed at the other end of the connecting cap, a cap body is installed on the vent plug, and an air hole is installed at the lower end of the cap body. The length of the connecting pipe is lengthened, and after the gear oil rises to a certain height in the connecting pipe, it will flow back under the action of its own gravity and will not flow out along the connecting pipe, the connecting cap, the vent plug and the cap body. The mineral powder will not stick to the breather cap and the breather cap will not be blocked. Since the breather cap is no longer blocked, the heat dissipation of the reducer is increased, and the cooling capacity of the reducer is improved, thereby better balancing the gas pressure in the reducer, protecting the reducer oil seal from damage due to excessive pressure, and reducing oil leakage caused by oil seal damage.

[0003] However, the vent cap of the gearbox housing is not equipped with a filter assembly. When the vent cap is used, dust and moisture will directly enter the gearbox through the vent cap, causing damage to the components inside the gearbox housing and increasing maintenance costs. At the same time, the lubricating oil in the gearbox will evaporate due to high temperature and flow out of the housing through the vent cap, causing rapid loss of lubricating oil. Therefore, it is necessary to improve this structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide an angular stroke reduction gearbox with a pressure regulating device to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve its technical problems is:

[0006] An angular travel reduction gearbox with a pressure regulating device comprises a reduction gearbox housing and further comprises:

[0007] A pre-oil-gas separation component is provided in the reduction gearbox body and separates the oil from the oil vapor by the pre-oil-gas separation component;

[0008] A ventilation component is provided on the reduction gear box body, and the ventilation component ensures that the reduction gear box body is connected to the outside world;

[0009] A rear oil-gas separation component is provided in the ventilation component, and the rear oil-gas separation component separates the oil in the oil vapor and returns it to the reduction gear box;

[0010] A filter assembly is provided in the ventilation assembly to filter dust;

[0011] The sealing component is arranged on the surface of the ventilation component and seals the ventilation component.

[0012] The utility model is further configured such that the pre-oil-gas separation component comprises:

[0013] A guide groove is formed in the reduction gear box body and is arranged obliquely in the reduction gear box body to guide the lubricating oil;

[0014] Filter screen 1 is arranged in the guide groove and is provided with air holes. Filter screen 1 separates the lubricating oil and gas in the oil vapor.

[0015] The utility model is further configured such that the ventilation assembly includes:

[0016] An exhaust cap is provided on the top of the reduction gear box body, the bottom of the exhaust cap is connected to the guide groove, a flow channel is provided in the exhaust cap, a group of exhaust channels are provided in the exhaust cap, the exhaust channels are connected to the flow channel, and the gas outlet end of the exhaust channel is downwardly arranged;

[0017] The guide groove is formed on the outer side of the exhaust cap, the guide groove is recessed toward the exhaust cap, and the cross section of the guide groove is circular.

[0018] The utility model is further configured such that the rear oil-gas separation component includes:

[0019] Filter 2 is arranged in the exhaust cap. A vent hole is arranged in the filter 2. The cross section of the filter 2 is triangular. The filter 2 separates the oil and gas.

[0020] The utility model is further configured such that the filter assembly includes:

[0021] The filter is arranged in the exhaust channel of the exhaust cap and filters dust.

[0022] The utility model is further configured such that the sealing assembly comprises:

[0023] A protective cover is rotatably set on the exhaust cap, the top of the protective cover is set in the guide groove, and the bottom of the protective cover is provided with a through hole, the position of the through hole corresponds to the exhaust channel, and the opening and closing of the exhaust channel is controlled by rotating the protective cover.

[0024] The advantages of the present invention are:

[0025] 1. The utility model is provided with an exhaust cap, the exhaust channel of the exhaust cap is set downward, which can effectively prevent rainwater from entering the reduction gear box through the exhaust channel. At the same time, by setting a filter net, dust and water are intercepted, which effectively prevents dust and water from entering the reduction gear box and causing damage to the reduction gear box, thereby effectively increasing the service life of the reduction gear box.

[0026] 2. The utility model provides filter screen 1, filter screen 2 and guide grooves, which can separate the oil and gas in the oil vapor multiple times when the oil vapor is discharged. The separated lubricating oil flows back to the reduction gearbox under the guidance of the guide grooves, thereby effectively reducing the loss of lubricating oil.

[0027] 3. The utility model sets a protective cover. When the exhaust cap is not needed, the protective cover is rotated so that the through hole of the protective cover is staggered with the exhaust channel, thereby sealing the exhaust channel and effectively ensuring the sealing of the reduction gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of an angular travel reduction gearbox with a pressure regulating device proposed by the present invention.

[0029] Figure 2 The utility model proposes Figure 1 A partial enlarged view of point A in the middle.

[0030] Figure 3 It is a bottom view of the exhaust cap proposed by the present invention.

[0031] Numeral labels: reduction gearbox housing 100, guide groove 110, filter screen 1 120, exhaust cap 210, guide groove 220, flow channel 211, exhaust channel 212, filter screen 2 310, filter screen 410, protective cover 510, through hole 511 DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] like Figure 1-3As shown, the utility model proposes an angular stroke reducer with a pressure regulating device, including a reducer housing 100, and also includes a pre-oil-gas separation component, a ventilation component, a post-oil-gas separation component, a filter component and a sealing component. The pre-oil-gas separation component is arranged in the reducer housing, and the pre-oil-gas separation component separates the oil in the oil vapor. The ventilation component is arranged on the reducer housing, and the ventilation component ensures that the reducer housing is connected to the outside world. The post-oil-gas separation component is arranged in the ventilation component, and the post-oil-gas separation component separates the oil in the oil vapor and returns it to the reducer. The filter component is arranged in the ventilation component, and the filter component filters the dust. The sealing component is arranged on the surface of the ventilation component, and the sealing component seals the ventilation component.

[0034] In this embodiment, the pre-oil-gas separation component includes a guide groove 110 and a filter 120. The guide groove is formed in the reduction gear box body and is arranged obliquely in the reduction gear box body. The guide groove guides the lubricating oil so that the refluxed lubricating oil flows directly to the part requiring lubrication. The filter 1 is arranged in the guide groove. The filter 1 is provided with air holes. The filter 1 can be a metal mesh. The filter 1 separates the lubricating oil and gas in the oil vapor.

[0035] In this embodiment, the ventilation assembly includes an exhaust cap 210 and a guide groove 220. The exhaust cap is arranged on the top of the reduction gearbox housing, and the bottom of the exhaust cap is connected to the guide groove. A flow channel 211 is provided in the exhaust cap, and a group of exhaust channels 212 are provided in the exhaust cap. The exhaust channel is connected to the flow channel, and the air outlet end of the exhaust channel is set downward. The guide groove is formed on the outside of the exhaust cap, and the guide groove is recessed toward the exhaust cap. The cross-section of the guide groove is circular.

[0036] In this embodiment, the post-oil and gas separation component includes a second filter 310, which is arranged in the exhaust cap. A vent is provided in the second filter. The cross-section of the second filter is triangular. The lubricating oil intercepted by the second filter flows from the middle to the two sides of the filter, thereby preventing the lubricating oil from being retained on the filter, effectively ensuring the normal use of the filter. The second filter can be a metal mesh, and the second filter separates the oil and gas. At the same time, the lubricating oil retained on the filter will be collected and returned to the guide groove through the flow channel. The oil and gas are separated for the second time by the filter, effectively reducing the loss of the lubricating oil.

[0037] In this embodiment, the filter assembly includes a filter screen 410, which is arranged in the exhaust channel of the exhaust cap. The filter screen filters dust to prevent dust and debris from entering the reduction box.

[0038] In this embodiment, the sealing assembly includes a protective cover 510, which is rotatably set on the exhaust cap. The top of the protective cover is set in the guide groove, and the bottom of the protective cover is provided with a through hole 511. The position of the through hole corresponds to the exhaust channel. The opening and closing of the exhaust channel is controlled by rotating the protective cover. When the through hole of the protective cover corresponds to the position of the exhaust channel, the exhaust cover is opened. When the through hole of the protective cover is staggered with the position of the exhaust channel, the exhaust cover is closed, thereby ensuring the sealing of the reduction gearbox.

[0039] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. An angular travel reduction gearbox with a pressure regulating device, comprising a reduction gearbox housing, characterized in that: Also includes: A pre-oil-gas separation component is provided in the reduction gearbox body and separates the oil from the oil vapor by the pre-oil-gas separation component; A ventilation component is provided on the reduction gear box body, and the ventilation component ensures that the reduction gear box body is connected to the outside world; A rear oil-gas separation component is provided in the ventilation component, and the rear oil-gas separation component separates the oil in the oil vapor and returns it to the reduction gear box; A filter assembly is provided in the ventilation assembly to filter dust; The sealing component is arranged on the surface of the ventilation component and seals the ventilation component.

2. The angular travel reduction gearbox with a pressure regulating device according to claim 1, characterized in that: The pre-oil and gas separation components include: A guide groove is formed in the reduction gear box body and is arranged obliquely in the reduction gear box body to guide the lubricating oil; Filter screen 1 is arranged in the guide groove and is provided with air holes. Filter screen 1 separates the lubricating oil and gas in the oil vapor.

3. The angular travel reduction gearbox with a pressure regulating device according to claim 2, characterized in that: The ventilation kit includes: An exhaust cap is provided on the top of the reduction gear box body, the bottom of the exhaust cap is connected to the guide groove, a flow channel is provided in the exhaust cap, a group of exhaust channels are provided in the exhaust cap, the exhaust channels are connected to the flow channel, and the gas outlet end of the exhaust channel is downwardly arranged; The guide groove is formed on the outer side of the exhaust cap, the guide groove is recessed toward the exhaust cap, and the cross section of the guide groove is circular.

4. The angular travel reduction gearbox with a pressure regulating device according to claim 3, characterized in that: The rear oil and gas separation components include: Filter 2 is arranged in the exhaust cap. A vent hole is arranged in the filter 2. The cross section of the filter 2 is triangular. The filter 2 separates the oil and gas.

5. The angular turn reduction gearbox with a pressure regulating device according to claim 3, characterized in that: The filter components include: The filter is arranged in the exhaust channel of the exhaust cap and filters dust.

6. The angular travel reduction gearbox with a pressure regulating device according to claim 3, characterized in that: The sealing assembly includes: A protective cover is rotatably set on the exhaust cap, the top of the protective cover is set in the guide groove, and the bottom of the protective cover is provided with a through hole, the position of the through hole corresponds to the exhaust channel, and the opening and closing of the exhaust channel is controlled by rotating the protective cover.

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