CN110657229A

CN110657229A - Anti-eccentric gear box for rail transit vehicle

Info

Publication number: CN110657229A
Application number: CN201910739324.XA
Authority: CN
Inventors: 王加东
Original assignee: Wuxi Griffith Precision Machinery Manufacturing Co Ltd
Current assignee: Wuxi Griffith Precision Machinery Manufacturing Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-01-07

Abstract

The invention provides an anti-eccentricity gear box for a rail transit vehicle, which comprises a gear box, wherein the gear box consists of an upper box body and a lower box body, the upper box body and the lower box body are in threaded connection with fixing bolts, an input bearing hole is formed in the upper box body, the upper box body and the lower box body jointly enclose an output bearing hole, an oil pool is arranged at the bottom of an inner cavity of the lower box body, two oil pool partition plates are arranged in the oil pool, and the oil pool is divided into a stirring oil pool and two oil storage oil pools by the two oil pool partition plates. This anti-eccentricity gear box for rail transit vehicle can improve the gear box and deposit the oil mass through stirring oil pool and the oil storage oil pool that sets up, reduces the loss when stirring oil to reduce the temperature rise in the gear box effectively, can ensure the smooth and easy nature of oil return of gear box and then reach abundant lubrication through oil gallery, cushion chamber, the device simple structure, intensity are high, sealed effectual, can postpone gear box life.

Description

Anti-eccentric gear box for rail transit vehicle

Technical Field

The invention relates to the technical field of gear boxes, in particular to an anti-eccentricity gear box for a rail transit vehicle.

Background

With the continuous development of urban rail transit vehicles, the types of rail transit gearboxes are also increased, and particularly, the gearbox for the tramcar has a great development prospect in the future. However, the tramcar gear box is in a domestic development stage, and how to realize the light weight of the tramcar gear box needs to be continuously strengthened; a detailed analysis is needed for how to arrange the optimized gearbox structure. The gearbox is a key component of the rail transit vehicle, the running environment and the loaded characteristics of the rail transit vehicle are considered, the gearbox in the rail transit vehicle needs to have higher reliability and safety, meanwhile, the structural and performance requirements of the gearbox are improved along with the continuous increase of the speed and the load of the vehicle, and at present, the gearbox is set into an anti-eccentricity gearbox for safety. The lubrication of the track gearbox is generally performed in a splash lubrication mode, and after the structure of the track gearbox is changed, whether the traditional splash lubrication mode can meet the lubrication requirement of a new structure is guaranteed, which are technical problems needing close attention in the field.

The problem that the oil quantity is not enough with the gear box to the lubricated insufficient and gear box of gear box exists because the structural constraint of gear box, and then leads to the gear box temperature rise great, influences the normal work of gear box consequently, how to design the gear box, makes the gear box lubricated abundant and the oil quantity is sufficient, reduces the temperature rise of gear box, has become the technical problem that technical staff in the field await the solution urgently.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an anti-eccentricity gearbox for a rail transit vehicle, which solves the problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an anti-eccentricity gear box for rail transit vehicles comprises a gear box, wherein the gear box consists of an upper box body and a lower box body, the upper box body and the lower box body are in threaded connection with fixing bolts, an input bearing hole is formed in the upper box body, the upper box body and the lower box body jointly enclose an output bearing hole, an oil pool is arranged at the bottom of an inner cavity of the lower box body, two oil pool partition plates are arranged in the oil pool and divide the oil pool into a stirring oil pool and two oil storage pools, a communication hole is formed between the two oil storage pools and the stirring oil pool, an oil collecting tank is arranged inside the upper box body and is fixedly communicated with the output bearing hole, a first buffer cavity, an oil return tank and a first oil return hole are further arranged inside the upper box body, the first buffer cavity is communicated with the input bearing hole, the oil return tank is arranged on the box splitting surfaces of the upper box body and the lower box body and is communicated with the oil pool, and two ends of the first oil return hole are respectively communicated with the first buffer cavity and the oil return groove.

Preferably, the oil tank is of a long rectangular structure, and an oil filling bolt, an oil discharging bolt and an oil amount observation device are arranged on the outer wall of the oil tank.

Preferably, a second buffer cavity and a second oil return hole are further formed in the lower box body, the second buffer cavity is communicated with the output bearing hole, and two ends of the second oil return hole are respectively communicated with the second buffer cavity and the oil pool.

Preferably, a rib plate is arranged between the outer wall of the oil pool and the output bearing hole, and the second oil return hole is arranged in the rib plate.

Preferably, the outside of going up the box is provided with horizontal strengthening rib and first strengthening rib, the outside of box is provided with the second strengthening rib down, input dead eye and output dead eye are connected to horizontal strengthening rib, first strengthening rib and second strengthening rib all distribute along the output dead eye and with output dead eye fixed connection.

Preferably, one side of going up the box is provided with safe nose, jib mount pad and eyehole window, the eyehole window sets up the top at last box.

(III) advantageous effects

The invention provides an anti-eccentricity gearbox for a rail transit vehicle. Has the following beneficial effects:

1. through setting up the oil bath into stirring oil bath and oil storage oil bath, can improve the gear box and save the oil mass, reduce the loss of lubricating oil when stirring oil to reduce the temperature rise in the gear box effectively, can ensure the oil return smooth and easy nature of the last box of gear box and then reach abundant lubrication through setting up oil return groove, first oil return hole, second oil return hole, first cushion chamber and second cushion chamber.

2. The oiling bolt, the oil drain bolt and the oil mass viewing device that set up realize the emission and the interpolation of interior lubricating oil of oil sump in for the convenience of observing the oil mass in the oil sump in the lower box, and the device simple structure, intensity are high, sealed effectual, can postpone gear box life.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the invention at A in FIG. 1;

FIG. 3 is a top view of the present invention;

fig. 4 is a cross-sectional view of the present invention.

In the figure: the oil-saving type gearbox comprises a gear box 1, an upper box body 2, a lower box body 3, a fixing bolt 4, an input bearing hole 5, an output bearing hole 6, an oil pool 7, an oil pool partition plate 8, an oil stirring pool 9, an oil storage pool 10, a communication hole 11, an oil collecting tank 12, a first buffer cavity 13, an oil return tank 14, a first oil return hole 15, an oil filling bolt 16, an oil drain bolt 17, an oil quantity observation device 18, a second buffer cavity 19, a second oil return hole 20, a rib plate 21, a horizontal reinforcing rib 22, a first reinforcing rib 23, a second reinforcing rib 24, a safety nose 25, a hanger rod mounting seat 26 and a sight hole window 27.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

The embodiment of the invention provides an anti-eccentricity gear box for a rail transit vehicle, which comprises a gear box 1, wherein the gear box 1 consists of an upper box body 2 and a lower box body 3, the upper box body 2 and the lower box body 3 are in threaded connection with a fixing bolt 4, the upper box body 2 and the lower box body 3 are fixedly connected together through the fixing bolt 4, the gear box 1 can be fixedly and firmly ensured, meanwhile, the gear box 1 is conveniently disassembled, an input bearing hole 5 is arranged on the upper box body 2, the upper box body 2 and the lower box body 3 jointly enclose an output bearing hole 6, an oil pool 7 is arranged at the bottom of an inner cavity of the lower box body 3, an arranged long rectangular oil pool 7 ensures sufficient lubricating oil, the liquid level height of the oil is reduced at the same time, so that the oil stirring loss of the gear box 1 is reduced, the temperature rise of the gear box 1 is reduced, two oil pool partition plates 8 are arranged in the oil pool 7, the oil pool 7 is divided into a stirring oil pool 9 and two oil storage pools 10 by, the two oil storage pools 10 and the stirring oil pool 9 are provided with communication holes 11, the communication holes 11 are arranged on the two oil pool clapboards 8, so that when the gear rotates between the two oil pool clapboards 8, the gear stirs lubricating oil, the oil pool 7 is divided into the oil storage pool 10 and the stirring oil pool 9, the moving range of the lubricating oil is increased, and the heat dissipation is facilitated, the upper box body 2 is internally provided with an oil collecting tank 12, the oil collecting tank 12 is arranged to enhance the lubricating effect of the gear, the oil collecting tank 12 is fixedly communicated with the output bearing hole 6, the upper box body 2 is internally provided with a first buffer cavity 13, an oil return groove 14 and a first oil return hole 15, the first buffer cavity 13 is communicated with the input bearing hole 5, the oil return groove 14 is arranged on the box dividing surface of the upper box body 2 and the lower box body 3 and is communicated with the oil pool 7, two ends of the first oil return hole 15 are respectively communicated with the first buffer cavity 13 and the oil return groove 14, two ends of the first oil return hole 15 are respectively communicated with the first buffer cavity 13 and the oil return groove 14, so that the oil return smoothness of the upper box body 2 can be ensured, and the sealing performance of the gear box 1 can be ensured.

Specifically, the oil pool 7 is of a long rectangular structure, an oiling bolt 16, an oil discharging bolt 17 and an oil amount observation device 18 are arranged on the outer wall of the oil pool 7, the oiling bolt 16, the oil discharging bolt 17 and the oil amount observation device 18 are arranged to observe the oil amount in the oil pool 7 in the lower box body 3 conveniently, and the discharging and adding of lubricating oil in the oil pool 7 are achieved.

Specifically, the lower box body 3 is internally provided with a second buffer cavity 19 and a second oil return hole 20, the second buffer cavity 19 is communicated with the output bearing hole 6, two ends of the second oil return hole 20 are respectively communicated with the second buffer cavity 19 and the oil pool 7, and the second buffer cavity 19 and the second oil return hole 20 are arranged, so that oil return of the upper box body 2 is smooth, and the gear box 1 is guaranteed to have a good sealing effect.

Specifically, a rib plate 21 is arranged between the outer wall of the oil pool 7 and the output bearing hole 6, the second oil return hole 20 is arranged in the rib plate 21, the bonding strength of the oil pool 7 can be enhanced through the arranged rib plate 21 and the second oil return hole 20, and meanwhile, the structure of the gear box 1 can be simplified.

Specifically, the outside of the upper box body 2 is provided with a horizontal reinforcing rib 22 and a first reinforcing rib 23, the outside of the lower box body 3 is provided with a second reinforcing rib 24, the horizontal reinforcing rib 22 is connected with the input bearing hole 5 and the output bearing hole 6, the first reinforcing rib 23 and the second reinforcing rib 24 are distributed along the output bearing hole 6 and fixedly connected with the output bearing hole 6, and the horizontal reinforcing rib 22, the first reinforcing rib 23 and the second reinforcing rib 24 are arranged to enhance the strength and the heat dissipation performance of the gear box 1.

Specifically, one side of going up box 2 is provided with safe nose 25, jib mount pad 26 and looks hole window 27, looks hole window 27 and sets up at the top of last box 2, sets up safe nose 25, jib mount pad 26 and looks hole window 27 for the convenient condition of observing gear box 1 inside, can make gear box 1 can be hung up simultaneously, conveniently installs.

The working principle is as follows: the device is when using, through opening oiling bolt 16 with lubricating oil injection gear case 1's long rectangular oil bath 7 in, oil bath 7 divide into again and mix oil bath 9 and oil storage oil bath 10, can improve gear case 1 and deposit the oil mass, reduce the loss of lubricating oil when stirring oil during gear revolve, thereby reduce the temperature rise in the gear case 1 effectively, go up oil groove 14 and the oil bath 7 intercommunication that sets up in the box 2, 15 both ends in first oil return hole are linked together with first cushion chamber 13 and oil groove 14 respectively, second cushion chamber 19 and second oil return hole 20 all communicate with oil bath 7, can guarantee gear case 1's oil return smoothness nature, guarantee gear case 1's leakproofness simultaneously, the lubricated effect of reinforcing, the life of extension gear case 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a track is anti-eccentricity gearbox for transportation vehicles, includes gear box (1), its characterized in that: the gearbox (1) consists of an upper box body (2) and a lower box body (3), the upper box body (2) and the lower box body (3) are in threaded connection with a fixing bolt (4), an input bearing hole (5) is formed in the upper box body (2), the upper box body (2) and the lower box body (3) jointly enclose an output bearing hole (6), an oil pool (7) is arranged at the bottom of an inner cavity of the lower box body (3), two oil pool partition plates (8) are arranged in the oil pool (7), the oil pool (7) is divided into a stirring oil pool (9) and two oil storage pools (10) by the two oil pool partition plates (8), a communication hole (11) is formed between the two oil storage pools (10) and the stirring oil pool (9), an oil collecting tank (12) is arranged in the upper box body (2), and the oil collecting tank (12) is fixedly communicated with the output bearing hole (6), go up inside first cushion chamber (13), oil return groove (14) and the first oil return hole (15) of still being equipped with of box (2), first cushion chamber (13) are linked together with input dead eye (5), oil return groove (14) set up at last box (2) and the branch case face of lower box (3) and communicate with oil bath (7), first oil return hole (15) both ends respectively with first cushion chamber (13) and oil return groove (14) are linked together.

2. The anti-eccentricity gearbox for the rail transit vehicle as set forth in claim 1, wherein: the oil pool (7) is of a long rectangular structure, and an oil filling bolt (16), an oil discharging bolt (17) and an oil amount observation device (18) are arranged on the outer wall of the oil pool (7).

3. The anti-eccentricity gearbox for the rail transit vehicle as set forth in claim 1, wherein: the oil pump is characterized in that a second buffer cavity (19) and a second oil return hole (20) are further formed in the lower box body (3), the second buffer cavity (19) is communicated with the output bearing hole (6), and two ends of the second oil return hole (20) are respectively communicated with the second buffer cavity (19) and the oil pool (7).

4. The anti-eccentricity gearbox for the rail transit vehicle as set forth in claim 1, wherein: a rib plate (21) is arranged between the outer wall of the oil pool (7) and the output bearing hole (6), and the second oil return hole (20) is arranged in the rib plate (21).

5. The anti-eccentricity gearbox for the rail transit vehicle as set forth in claim 1, wherein: go up the outside of box (2) and be provided with horizontal strengthening rib (22) and first strengthening rib (23), the outside of box (3) is provided with second strengthening rib (24) down, input dead eye (5) and output bearing hole (6) are connected in horizontal strengthening rib (22), first strengthening rib (23) and second strengthening rib (24) all distribute along output bearing hole (6) and with output bearing hole (6) fixed connection.

6. The anti-eccentricity gearbox for the rail transit vehicle as set forth in claim 1, wherein: go up one side of box (2) and be provided with safe nose (25), jib mount pad (26) and eyehole window (27), eyehole window (27) set up the top at last box (2).