CN209977218U - Oil injection and splash mixed lubrication system of integral high-speed gear box - Google Patents

Abstract

The utility model discloses an oil injection and splash mixed lubrication system of an integral high-speed gear box, which comprises a box body and a box cover. The box body and the box cover are spliced together to form a complete lubricating box, and a drive is arranged inside the box body. A gear, a first driven gear and a second driven gear, the rotating shaft of the driving gear is rotatably connected to the side plate of the box body through two first bearings, the rotating shaft of the driving gear is externally connected to a driving device, and the first The rotating shaft of the driven gear is rotatably connected to the side plate of the box body through two second bearings. In this scheme, the driving gear of the gearbox can drive the two driven gears to rotate at the same time, which greatly improves the transmission efficiency, and can lubricate the meshing points between the gears comprehensively. When the connecting pipe is connected, the splashed lubricating oil can be collected, and the driving gear can be continuously lubricated by immersion, which increases the contact area between the lubricating oil and the driving gear, and greatly improves the lubricating effect.

Description

Oil-injection and splash-lubrication system for integral high-speed gearboxes

technical field

The utility model relates to the technical field of fans and compressors, in particular to an oil injection and splash mixed lubrication system of an integral high-speed gearbox.

Background technique

Fans and compressors are driven by driving equipment or driving system. When the driving gear in the gear box of the driving equipment meshes with the driven gear, the meshing part needs to be lubricated to reduce the wear between the gears and also achieve the effect of cooling.

The gear box in the prior art has the following disadvantages: the driving end of the gear box can only drive one driven gear to rotate, so the transmission efficiency is relatively low, and at the same time, only oil is sprayed for lubrication in the gear box, and the lubrication effect of each gear is insufficient. The oil and lubricating oil can only be recovered and concentrated at the bottom of the gear box, and the driving gear cannot be fully lubricated, which makes the lubricating oil utilization rate low, so it needs to be improved.

Utility model content

The purpose of this utility model is to solve the problem that the drive end of the gear box in the prior art can only drive one driven gear to rotate, so the transmission efficiency is relatively low, and at the same time, only oil is sprayed in the gear box for lubrication, and the lubrication effect of each gear is insufficient. The oil and lubricating oil can only be recovered and concentrated at the bottom of the gearbox, and the driving gear cannot be fully lubricated, which makes the utilization rate of lubricating oil low.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

The oil injection and splash mixed lubrication system of the integral high-speed gearbox includes a box body and a box cover. The box body and the box cover are spliced together to form a complete lubrication box. The inside of the box body is provided with a drive gear, a first slave A driving gear and a second driven gear, the rotating shaft of the driving gear is rotatably connected to the side plate of the box body through two first bearings, the rotating shaft of the driving gear is externally connected to a driving device, and the rotating shaft of the first driven gear It is rotatably connected to the side plate of the box body through two second bearings, and the rotating shaft of the second driven gear is rotatably connected to the side plate of the box body through two third bearings. The two driven gears are symmetrically distributed on both sides of the driving gear and mesh with the driving gear at the same time. The lower side of the driving gear is provided with a crescent-shaped oil receiving tank, and the bottom of the driving gear extends into the notch of the crescent-shaped oil receiving tank. The two sides of the box body are symmetrically installed with a first flange interface and a second flange interface;

A first main pipe is installed on the side of the first flange interface close to the driving gear, and the first main pipe extends to the inside of the box body, and a second main pipe is installed on the side of the second flange interface close to the driving gear, and The second main pipe extends to the inside of the tank, and connecting pipes are installed on the bottom walls of the first and second main pipes. The connecting pipes have a U-shaped structure, and the bottoms of the connecting pipes are located at the bottom of the crescent-shaped fuel tank. On the lower side, the bottom wall of the crescent-shaped fuel tank is communicated with the connecting pipe through a branch pipe, a first fuel injection pipe is installed on the top wall of the first main pipe, and the first fuel injection pipe is bent toward the inside of the tank cover. It is folded and extended to the meshing point on the upper side of the driving gear and the first driven gear. The end of the first fuel injection main pipe close to the driving gear is installed with a first fuel injection transverse pipe, and the bottom wall of the first fuel injection transverse pipe is installed. A plurality of first oil injection holes are opened on the top wall, and a second oil injection main pipe is installed on the top wall of the second main pipe. The second oil injection main pipe is bent to one side of the driving gear and extends to the driving gear and the first main pipe. The meshing point on the lower side of the two driven gears, the second fuel injection pipe is installed at one end of the second fuel injection main pipe close to the driving gear, and the top wall of the second fuel injection transverse pipe is provided with a plurality of second fuel injection pipes. oil hole.

Preferably, two first curved pipes and two second curved pipes are symmetrically mounted on the top wall of the first main pipe, and the ends of the two first curved pipes away from the first main pipe are opposite to the first driven gear respectively. The two second bearings of the two second bearings are sprayed with lubricating oil, and the ends of the two second elbows away from the first main pipe are respectively sprayed with lubricating oil on the two first bearings of the driving gear.

Preferably, two third elbows are symmetrically installed on the top wall of the second main pipe, and the ends of the two third elbows away from the second main pipe respectively spray the two third bearings of the second driven gear Add lubricating oil.

Compared with the prior art, the beneficial effects of the present utility model are:

In this scheme, the driving gear of the gearbox can drive two driven gears to rotate at the same time, which greatly improves the transmission efficiency, and can lubricate the meshing points between the gears comprehensively. When the connecting pipe is connected, the splashed lubricating oil can be collected, and the driving gear can be continuously lubricated by immersion, which increases the contact area between the lubricating oil and the driving gear, and greatly improves the lubricating effect.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the oil injection and splash mixed lubrication system of the integrated high-speed gearbox proposed by the utility model;

FIG. 2 is an enlarged view of the structure of part A of the oil injection and splash mixed lubrication system of the integrated high-speed gearbox proposed by the utility model.

In the figure: 1 box body, 2 box cover, 3 drive gear, 4 first driven gear, 5 second driven gear, 6 first flange interface, 7 second flange interface, 8 first main pipe, 9 first 2 main pipes, 10 connecting pipes, 11 crescent fuel tanks, 12 branch pipes, 13 first fuel injection pipes, 14 first fuel injection pipes, 15 second fuel injection pipes, 16 second fuel injection pipes, 17 first bends tube, 18 second elbow, 19 third elbow.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Referring to Figure 1-2, the oil injection and splash mixed lubrication system of the integral high-speed gearbox includes a box body 1 and a box cover 2. The box body 1 and the box cover 2 are spliced together to form a complete lubrication box. There are a driving gear 3, a first driven gear 4 and a second driven gear 5. The rotating shaft of the driving gear 3 is rotatably connected to the side plate of the box body 1 through two first bearings, and the rotating shaft of the driving gear 3 is connected to an external driving device. The rotating shaft of the first driven gear 4 is rotatably connected to the side plate of the box body 1 through two second bearings, and the rotating shaft of the second driven gear 5 is rotatably connected to the side plate of the box body 1 through two third bearings. The first driven gear 4 and the second driven gear 5 are symmetrically distributed on both sides of the driving gear 3 and mesh with the driving gear 3 at the same time. Extending to the groove of the crescent-shaped fuel tank 11 , a first flange interface 6 and a second flange interface 7 are symmetrically installed on both sides of the box body 1 .

The driving gear 3 is connected to external driving equipment, thereby driving the first driven gear 4 and the second driven gear 5 to rotate at the same time. The first flange interface 6 and the second flange interface 7 can be respectively connected to external injection equipment to inject lubricating oil.

A first main pipe 8 is installed on the side of the first flange interface 6 close to the driving gear 3 , and the first main pipe 8 extends to the inside of the casing 1 , and a second flange interface 7 is installed on the side close to the driving gear 3 . The main pipe 9, and the second main pipe 9 extends to the inside of the box 1, the connecting pipe 10 is installed on the bottom wall of the first main pipe 8 and the second main pipe 9, the connecting pipe 10 has a U-shaped structure, and the bottom of the connecting pipe 10 is located at the bottom wall. The lower side of the crescent-shaped fuel tank 11 is connected, the bottom wall of the crescent-shaped fuel tank 11 is connected to the connecting pipe 10 through the branch pipe 12, and the top wall of the first main pipe 8 is installed with a first fuel injection main pipe 13, the first fuel injection main pipe 13 Bends to the inside of the case cover 2 and extends to the meshing point of the upper side of the driving gear 3 and the first driven gear 4. The first fuel injection main pipe 13 is installed with a first fuel injection transverse pipe 14 at one end close to the driving gear 3. A plurality of first fuel injection holes are opened on the bottom wall of a horizontal fuel injection pipe 14 , a second fuel injection pipe 15 is installed on the top wall of the second main pipe 9 , and the second fuel injection pipe 15 faces the side of the driving gear 3 . Bend and extend to the meshing point of the lower side of the driving gear 3 and the second driven gear 5, the second fuel injection main pipe 15 is installed with a second fuel injection transverse pipe 16 at one end close to the driving gear 3, and the second fuel injection transverse pipe 16 A plurality of second fuel injection holes are opened on the top wall of the .

Two first elbows 17 and two second elbows 18 are symmetrically installed on the top wall of the first main pipe 8 , and the ends of the two first elbows 17 away from the first main pipe 8 are respectively aligned with the first driven gear 4 . The two second bearings are sprayed with lubricating oil, and the ends of the two second elbows 18 away from the first main pipe 8 are sprayed with lubricating oil respectively on the two first bearings of the driving gear 3 .

Two third elbows 19 are symmetrically installed on the top wall of the second main pipe 9 , and the ends of the two third elbows 19 away from the second main pipe 9 respectively inject lubrication to the two third bearings of the second driven gear 5 Oil.

According to the operation requirements, connect the first flange interface 6 or the second flange interface 7 to the fuel injection equipment separately, the lubricating oil flows between the first main pipe 8, the second main pipe 9 and the connecting pipe 10, and the first main pipe 8 can pass through The first fuel injection main pipe 13 and the first fuel injection horizontal pipe spray lubricating oil to the meshing point of the driving gear 3 and the first driven gear 4, and the second fuel injection pipe 9 can pass through the second fuel injection main pipe 15 and the second fuel injection horizontal pipe. 16. Spray lubricating oil to the meshing point of the driving gear 3 and the second driven gear 5. The first main pipe 8 can spray lubricating oil to the two second bearings of the first driven gear 4 through the first elbow 17. The first The main pipe 8 can inject lubricating oil to the two first bearings of the driving gear 3 through the second elbow 18 , and the second main pipe 9 can inject the two third bearings of the second driven gear 5 through the third elbow 19 Lubricating oil, the lubricating oil splashed in the crescent-shaped oil receiving tank 11 can perform immersion lubrication on the driving gear 3 to increase the lubricating effect.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (3)

1. The oil injection and splash mixed lubrication system of the integral high-speed gear box comprises a box body (1) and a box cover (2), and is characterized in that the box body (1) and the box cover (2) are spliced together to form a complete lubrication box, a driving gear (3), a first driven gear (4) and a second driven gear (5) are arranged in the box body (1), a rotating shaft of the driving gear (3) is rotatably connected to a side plate of the box body (1) through two first bearings, a rotating shaft of the driving gear (3) is externally connected with driving equipment, a rotating shaft of the first driven gear (4) is rotatably connected to the side plate of the box body (1) through two second bearings, a rotating shaft of the second driven gear (5) is rotatably connected to the side plate of the box body (1) through two third bearings, the first driven gear (4) and the second driven gear (5) are respectively and symmetrically distributed on two sides of the driving gear (3) and are simultaneously meshed with the driving gear (3), a crescent oil receiving tank (11) is arranged on the lower side of the driving gear (3), the bottom of the driving gear (3) extends into a notch of the crescent oil receiving tank (11), and a first flange interface (6) and a second flange interface (7) are symmetrically arranged on two sides of the box body (1);

the utility model discloses a fuel injection tank, including first flange interface (6), second flange interface (7), connecting pipe (10), first oil spout is responsible for (13) and is buckled to the inside of case lid (2) and extends to the meshing point of drive gear (3) and first driven gear (4) upside to the oil spout, first flange interface (6) are close to one side of drive gear (3) and install first person in charge (8), and first person in charge (8) extend to the inside of box (1), second flange interface (7) are close to one side of drive gear (3) and install the second and are responsible for (9), and the second person in charge (9) extend to the inside of box (1), all install connecting pipe (10) on the diapire of first person in charge (8) and second person in charge (9), connecting pipe (10) are located the crescent downside that connects oil tank (11), crescent on the diapire that connects oil tank (11) is connected through branch pipe (12) and connecting pipe (10), install first oil spout on the roof of first person in charge (8) and be responsible, first oil spout is responsible for (13) and is close to the one end of drive gear (3) and installs first oil spout and violently manage (14), a plurality of first nozzle openings have been seted up on the diapire of first oil spout violently managing (14), it is responsible for (15) to install the second oil spout on the roof of second person in charge (9), the second oil spout is responsible for (15) and is buckled and extend to the mesh point of drive gear (3) and second driven gear (5) downside to one side of drive gear (3), the second oil spout is responsible for (15) and is close to the one end of drive gear (3) and installs the second oil spout and violently manage (16), a plurality of second nozzle openings have been seted up on the roof of the horizontal pipe of second oil spout (16).

2. The oil injection and splash mixed lubrication system of an integral high-speed gearbox according to claim 1, characterized in that two first bent pipes (17) and two second bent pipes (18) are symmetrically installed on the top wall of the first main pipe (8), one ends of the two first bent pipes (17) far away from the first main pipe (8) respectively inject lubricating oil to two second bearings of the first driven gear (4), and one ends of the two second bent pipes (18) far away from the first main pipe (8) respectively inject lubricating oil to two first bearings of the driving gear (3).

3. The oil injection and splash mixed lubrication system of an integral high-speed gearbox according to claim 1, characterized in that two third bent pipes (19) are symmetrically installed on the top wall of the second main pipe (9), and lubricating oil is injected to two third bearings of the second driven gear (5) respectively at one ends of the two third bent pipes (19) far away from the second main pipe (9).

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