CN217558976U - Gear box structure of oil-free air compressor - Google Patents

Abstract

The utility model provides a gear box structure of an oil-free air compressor, which comprises a box body, wherein a plurality of lubricating oil channels are arranged in the box body; the oil distributor is provided with an oil inlet channel and a plurality of oil outlet holes communicated with the oil inlet channel; the lubricating oil duct on all be provided with the external hydraulic fluid port of external connection of ability, external hydraulic fluid port homoenergetic with the oil outlet pass through defeated oil pipe intercommunication. The utility model discloses an among oil-free air compressor's the gear box structure, the reserve lubrication scheme in oil distributor can regard as oil-free air compressor's gear box structure, when the oil pump that originally articulates breaks down on the gear box main shaft, in time switches outside oil pump or oil station and carries lubricating oil, and oil-free air compressor need not to shut down.

Description

Gear box structure of oil-free air compressor

Technical Field

The utility model relates to a technical field of gear box more exactly relates to an oil-free air compressor's gear box structure.

Background

Lubricating oil is not arranged in a compression cavity of the oilless air compressor, oil pressure cannot be generated, and lubricating oil can be conveyed to components needing lubrication and cooling, such as gears, bearings and the like only by an oil pump or an oil station. In the prior art, an oil tank is arranged at the bottom of a gear box of an oil-free air compressor, lubricating oil is stored in the oil tank, an oil pump is arranged on a main shaft of the gear box, an oil duct communicated with each lubricating point such as a gear and a bearing is arranged in the box of the gear box, the oil pump is generally driven by the main shaft to operate, the lubricating oil is sucked from the oil tank, and then the lubricating oil is conveyed to each lubricating point through the oil duct to lubricate the corresponding part. By adopting the lubricating mode, the compression main engine arranged on the gear box and the oil passage in the gear box are required to have high adaptation degree, otherwise, the bearing in the compression main engine cannot be sufficiently lubricated. Moreover, if the oil pump on the main shaft of the gearbox breaks down, the whole oil-free air compressor must be stopped and overhauled, which will cause great production loss.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an oil-free air compressor's gear box structure, have reserve lubrication channel, can in time switch outside oil pump or oil station and carry lubricating oil when the epaxial oil pump of gear box breaks down, need not the outage and overhauls.

The technical proposal of the utility model is to provide a gear box structure of an oilless air compressor, which comprises a box body, wherein a plurality of lubricating oil channels are arranged in the box body; the oil distributor is provided with an oil inlet channel and a plurality of oil outlet holes communicated with the oil inlet channel; the lubricating oil duct on all be provided with the external hydraulic fluid port of external connection of ability, external hydraulic fluid port homoenergetic with the oil outlet pass through defeated oil pipe intercommunication.

Compared with the prior art, the utility model discloses an oil-free air compressor's gear box structure has following advantage: an external oil pump or an oil station can be communicated with an oil inlet channel of the oil distributor to convey lubricating oil to the oil distributor, and the oil outlet hole in the oil distributor is communicated with a lubricating oil channel in the box body through an oil conveying pipe, so that the oil distributor can convey lubricating oil to the lubricating oil channel in the box body; so, the oil distributor can regard as the reserve lubrication scheme in oil-free air compressor's the gear box structure, and when the oil pump that originally articulates breaks down on the gear box main shaft, in time switch over outside oil pump or oil station and carry lubricating oil, need not the machine halt and overhauls.

Preferably, the oil distributor and the tank body are of an integrated structure or a detachable connection structure. By adopting the structure, the oil distributor and the box body can be integrally cast, the integration level is high, the assembly steps are reduced, and the volume of a host is also reduced; the oil distributor can be detachably connected to the box body, so that the structural complexity of the gear box can be reduced, the design requirement of the whole machine is reduced, and meanwhile, the assembly is convenient.

Preferably, the oil distributor is connected with an oil filter, and an oil outlet of the oil filter is communicated with an oil inlet channel of the oil distributor. By adopting the structure, the lubricating oil conveyed by an external oil pump or an oil station is conveniently filtered and cleaned.

Preferably, the oil distributor is provided on a side surface of the case, and the oil filter is provided on a front surface or a rear surface of the case. Adopt this structure, rationally distributed oil distributor and oil filter can reduce the host computer volume.

Preferably, the box on be provided with the main shaft, the main shaft on be provided with the oil pump, oil filter with the oil pump be located the same one side of box. By adopting the structure, the original structural space of the box body can be fully utilized, and the increase of the volume of the main machine due to the additional installation of the oil filter is avoided.

Preferably, a detachable sealing piece is arranged on the oil inlet of the oil filter. With this configuration, the oil inlet of the oil filter is hermetically protected by the sealing member when the oil distributor is not activated, and the sealing member from which the oil inlet of the oil filter is detachable delivers the lubricating oil to the distributor through the oil filter when the oil distributor is activated.

Preferably, the oil distributor is connected with an overflow valve, and the overflow valve is communicated with an oil inlet channel of the oil distributor. By adopting the structure, the overflow valve can be selected according to the parameters of lubricating oil of an actual oil-free air compressor, and the overflow valve which enables the oil pressure output by the oil distributor to be stable within 1.5-2.5 kilograms is generally selected.

Preferably, the oil distributor is provided on a side surface of the tank, and the relief valve is provided on a front surface or a rear surface of the tank. By adopting the structure, the oil distributor and the overflow valve are reasonably arranged, and the volume of the host can be reduced.

Drawings

Fig. 1 is the utility model discloses an oil-free air compressor's gear box structure's elevation view.

Fig. 2 is the utility model discloses a side view of oil-free air compressor's gear box structure.

As shown in the figure: 1. the compressor comprises a box body, 2, a primary compressor, 3, a secondary compressor, 4, an oil distributor, 5, an oil filter, 5-1, an oil inlet pipe, 6, an overflow valve, 7, an oil conveying pipe, 8, an oil pump, 9 and a main shaft.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a representation such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying an individual element in the list.

As shown in fig. 1 and 2, the utility model discloses an oil-free air compressor's gear box structure includes box 1, and the lower part of box 1 sets up the oil tank that is used for saving lubricating oil, and the upper portion of box 1 sets up to power portion, and power component includes main shaft 9, driving gear and driven gear, and the front and the back at box 1 are installed through the bearing respectively at the both ends of main shaft 9, and the driving gear is installed on main shaft 9 and is driven by main shaft 9, and the driving gear is to driven gear meshing transmission. A plurality of lubricating oil passages (not shown) are arranged in the box body 1, and the lubricating oil passages lead to gear meshing points in the box body 1 and bearings in front of and behind the main shaft. An oil pump 8 is further hung on the main shaft 9, the oil pump 8 is located on the front face of the box body 1, the oil pump 8 is driven by the main shaft 9 to draw lubricating oil from an oil tank and convey the lubricating oil to lubricating points of various gears and bearings through a lubricating oil channel. The utility model discloses an oil-free air compressor machine still is provided with one-level compression host computer 2 and second grade compression host computer 3 on box 1, one-level compression host computer 2 and second grade compression host computer 3 all are provided with screw rotor, the screw rotor of one-level compression host computer 2 and second grade compression host computer 3 is driven by the driven gear of difference respectively, and also all be provided with the lubricating oil duct that is used for carrying lubricating oil to the bearing on the screw rotor on the casing of one-level compression host computer 2 and second grade compression host computer 3, lubricating oil is carried by oil pump 8, and all be provided with the external hydraulic fluid port that can the external connection on the lubricating oil duct.

The utility model discloses an among oil-free air compressor's the gear box structure, the side of box 1 is provided with oil distributor 4, is provided with the oil outlet of oil feed passageway and a plurality of and oil feed passageway intercommunication on the oil distributor 4, the both ends of oil feed passageway communicate respectively and have oil filter 5 and overflow valve 6. Wherein, the oil filter 5 and the oil pump 8 are positioned on the front surface of the box body 1, an oil inlet of the oil filter 5 is provided with an oil inlet pipe 5-1, and the end part of the oil inlet pipe 5-1 is provided with a detachable sealing piece. The overflow valve 6 is located on the back of the tank 1, and the overflow valve 6 selected in the embodiment can enable the output oil pressure of the oil distributor to be stable within 1.5-2.5 kilograms.

In this embodiment, the oil distributor 4 may be integrally cast with the tank 1; or may be separate components removably attached to the housing 1, such as by screws. The oil outlet of the oil distributor 4 can be communicated with the external oil port of the lubricating oil channel through an oil delivery pipe 7, in the embodiment, the oil delivery pipe 7 is provided with two oil outlets which are respectively communicated with the lubricating oil channels of the primary compression main machine 2 and the secondary compression main machine 3.

When the gear box structure of the oil-free air compressor of the utility model normally works, the oil pump 8 usually extracts lubricating oil from the oil tank, and the lubricating oil is conveyed to each gear meshing point in the box body 1 and lubricating points of the front and rear bearings on the main shaft and bearing lubricating points on the screw rotors in the primary compression main machine 2 and the secondary compression main machine 3 through corresponding lubricating oil channels; the oil inlet pipe 5-1 of the oil filter 5 is sealed and protected by a sealing member. When the oil pump 8 breaks down, the oil distributor 4 can be used as a standby lubricating scheme in a gear box structure of the oil-free air compressor, a sealing element on the oil inlet pipe 5-1 is removed, an external oil pump or an oil station is switched to be in butt joint with the oil inlet pipe 5-1 in time, lubricating oil is conveyed to the oil distributor 4, the oil distributor 4 conveys the lubricating oil to each lubricating oil channel, each gear meshing point in the lubricating box body 1 and lubricating points of a front bearing and a rear bearing on a main shaft, bearing lubricating points on screw rod rotors in the primary compression main machine 2 and the secondary compression main machine 3 are further arranged, and the oil-free air compressor does not need to be stopped.

The above are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims (8)

1. A gear box structure of an oil-free air compressor comprises a box body, wherein a plurality of lubricating oil channels are arranged in the box body; the oil separator is characterized in that the box body is provided with an oil distributor, and the oil distributor is provided with an oil inlet channel and a plurality of oil outlet holes communicated with the oil inlet channel; the lubricating oil duct on all be provided with the external hydraulic fluid port that can external connection, external hydraulic fluid port homoenergetic with the oil outlet pass through defeated oil pipe intercommunication.

2. An oil-free air compressor gearbox structure as claimed in claim 1, wherein the oil distributor and the tank body are of an integral structure or a detachable connection structure.

3. An oil-free air compressor gearbox structure as claimed in claim 1, wherein the oil distributor is connected with an oil filter, and an oil outlet of the oil filter is communicated with an oil inlet passage of the oil distributor.

4. An oil-free air compressor gearbox structure as claimed in claim 3, wherein the oil distributor is provided at a side of the casing, and the oil filter is provided at a front or a rear of the casing.

5. An oil-free air compressor gearbox structure as claimed in claim 4, wherein the housing is provided with a main shaft, the main shaft is provided with an oil pump, and the oil filter and the oil pump are located on the same side of the housing.

6. An oil-free air compressor gearbox structure as claimed in claim 3, wherein a detachable sealing member is provided to an oil inlet of the oil filter.

7. An oil-free air compressor gearbox structure as claimed in claim 1, wherein an overflow valve is connected to the oil distributor, and the overflow valve is communicated with an oil inlet passage of the oil distributor.

8. An oil-free air compressor gearbox structure as claimed in claim 7, wherein the oil distributor is disposed at a side of the casing, and the overflow valve is disposed at a front or a rear of the casing.

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