CN214578776U - Subway gear box transmission device - Google Patents
Subway gear box transmission device Download PDFInfo
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- CN214578776U CN214578776U CN202120680624.8U CN202120680624U CN214578776U CN 214578776 U CN214578776 U CN 214578776U CN 202120680624 U CN202120680624 U CN 202120680624U CN 214578776 U CN214578776 U CN 214578776U
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Abstract
The utility model discloses a subway gear box transmission, including jib assembly and gear box assembly, the gear box assembly includes the input assembly, output assembly and box assembly, the input assembly is used for the input of power, the output assembly is used for passing through gear engagement with the power on the input assembly and transmits to the axletree on, the box assembly is provided with the axletree mounting hole that supplies the axletree to pass and with the coaxial setting of output assembly, input assembly and output assembly all are provided with the bearing, be provided with the oil filler hole that is used for adding lubricating oil and the oil drain that is used for changing lubricating oil on the box assembly, box assembly top inner wall is provided with at least two and extends and corresponds input assembly respectively around, the oil muscle that leads of output assembly, make inside gear rotate lubricating oil that the in-process was thrown away splash lead behind the oil muscle, can flow around the oil muscle along leading under the action of gravity, thereby for input assembly, The bearing on the output assembly is lubricated, and the condition of poor lubrication of the bearing is prevented, so that the service life of the bearing is prolonged.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle gear box transmission, concretely relates to subway gear box transmission.
Background
Subways are fast, high-traffic, electrically-towed rail traffic built in cities and are typically used in city trunks. The gearbox transmission device is positioned between the motor and the wheel set, is an important component in a vehicle traction system, and is mainly used for matching the high rotating speed and low torque of the motor with the low rotating speed and high torque requirements of the wheel set.
The subway bears a large number of passengers in operation, so that the reliability requirement on the subway is very high, and the operation reliability of the gearbox is higher, and in fact, poor lubrication of bearings occurs in some gearboxes in use, so that the bearings are damaged prematurely.
SUMMERY OF THE UTILITY MODEL
The utility model provides a subway gear box transmission is convenient for with the leading-in bearing of lubricating oil in the gear box, prevents the lubricated bad condition of bearing.
Therefore, the utility model discloses the technical scheme who adopts does: a transmission device of a subway gearbox comprises a suspender assembly and a gearbox assembly, wherein the gearbox assembly comprises an input assembly, an output assembly and a box body assembly, the input assembly is used for inputting power, the output assembly is used for transmitting the power on the input assembly to an axle through gear meshing, the box body assembly is provided with an axle mounting hole through which the axle passes and is coaxially arranged with the output assembly, the input assembly and the output assembly are both provided with bearings, one end of the suspender assembly is arranged on the box body assembly and is positioned at the lower end of the input assembly, the box body assembly is provided with an oil filling hole for adding lubricating oil and an oil discharging hole for replacing the lubricating oil, the inner wall of the top of the box body assembly is provided with at least two oil guiding ribs which extend forwards and backwards and respectively correspond to the input assembly and the output assembly, so that the lubricating oil thrown out in the rotating process of an internal gear is splashed onto the oil guiding ribs, the oil guide rib can flow back and forth along the oil guide rib under the action of gravity, so that bearings on the input assembly and the output assembly are lubricated.
Preferably, the tank assembly comprises an upper tank body and a lower tank body which are arranged up and down, and the oil guide rib is arranged on the inner wall of the top of the upper tank body.
Further preferably, the oil filling hole is formed in the lower box body, an oil filling screw plug is arranged in the oil filling hole, and the oil filling screw plug and the lower box body are sealed through a combined sealing ring.
Preferably, the oil drain hole is formed in the lower box body, the oil drain hole is provided with an oil drain plug, and the oil drain plug and the lower box body are sealed through a combined sealing ring.
Further preferably, the combined sealing ring comprises a metal gasket and a rubber gasket, and the rubber gasket is arranged on the inner side of the metal gasket.
Further preferably, it leads oily muscle, third to lead oily muscle and fourth to lead oily muscle including first oily muscle, the second of leading, first oily muscle of leading sets up directly over the output assembly axis along the fore-and-aft direction, the second is led oily muscle and is set up the left of leading oily muscle at first along the fore-and-aft direction, the third is led oily muscle and fourth and is led oily muscle longitudinal symmetry and be "" style of calligraphy setting, and is located the second and leads the left of oily muscle.
Further preferably, the input assembly comprises an input gear shaft and a detection gear, the input gear shaft is arranged in the box body assembly along the front-back direction, the front end of the input gear shaft penetrates outside the box body assembly, an input front bearing is arranged between the front end of the input gear shaft and the box body assembly, an input front end cover fixed on the box body assembly is arranged at the front side of the input front bearing, an input front space ring is also arranged between the input front end cover and the input front bearing, the input front space ring and the input front end cover are sleeved on an input gear shaft through an input oil slinger, a detection gear is arranged at the position of the input gear shaft close to the rear end, the rear end of the input gear shaft is provided with an input bearing seat fixed on the box body assembly, an input rear bearing assembly is arranged between the input bearing seat and the input gear shaft, and the rear end of the input bearing seat is provided with an input rear end cover fixed on the input bearing seat.
Preferably, the output assembly comprises a driven gear, an output bearing seat, an output end cover, an output oil slinger and an output bearing, the driven gear is meshed with the input gear shaft, the front and the back of the driven gear are symmetrically provided with the output bearing seats positioned in the axle mounting holes, the output bearing is arranged between the output bearing seat and the driven gear, the output end cover is arranged outside the output bearing seats, and the output bearing seat and the output end cover are fixed on the box body assembly together and are sleeved on the axle through the output oil slinger.
The utility model has the advantages that: at least two oil guiding ribs which extend forwards and backwards and respectively correspond to the input assembly and the output assembly are arranged on the inner wall of the top of the box body assembly, so that lubricating oil thrown out in the rotating process of the internal gear can flow forwards and backwards along the oil guiding ribs under the action of gravity after splashing to the oil guiding ribs, and therefore bearings on the input assembly and the output assembly are lubricated, the condition that the bearings are poor in lubrication is prevented, the service life of the bearings is prolonged, and the service life of the transmission device is further prolonged.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a sectional view of fig. 1 taken along a boundary line between the upper case and the lower case.
Fig. 3 is a cross-sectional view of the input assembly of the present invention.
Fig. 4 is a cross-sectional view of the output assembly of the present invention.
Fig. 5 is a schematic view of the oil guiding rib of the present invention.
Fig. 6 is a top view of fig. 5.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
as shown in fig. 1-6, a subway gearbox transmission device mainly comprises a suspender assembly 1 and a gearbox assembly 2. The gearbox assembly 2 comprises an input assembly 2.1, an output assembly 2.2 and a box body assembly 2.3, wherein the input assembly 2.1 is used for inputting power, the output assembly 2.2 is used for transmitting the power on the input assembly 2.1 to an axle through gear engagement, the box body assembly 2.3 is provided with an axle mounting hole for the axle to pass through and to be coaxial with the output assembly 2.2, and the input assembly 2.1 and the output assembly 2.2 are both provided with bearings.
The suspender assembly 1 is composed of a suspender body 1.1, an elastic rubber ring 1.2 and a mounting and fixing bolt 1.3, one end of the suspender body 1.1 is mounted on the framework through the mounting and fixing bolt 1.3, the other end is mounted on the box body assembly 2.3 through the mounting and fixing bolt 1.3 and is positioned at the lower end of the input assembly 2.1, and the elastic rubber ring 1.2 is also arranged between the mounting and fixing bolt 1.3 and the suspender body 1.1. The boom assembly 1 is arranged to prevent rotation of the transmission about the axle.
At least two oil guiding ribs which extend forwards and backwards and respectively correspond to the input assembly 2.1 and the output assembly 2.2 are arranged on the inner wall of the top of the box body assembly 2.3, so that lubricating oil thrown out in the rotating process of the internal gear can flow forwards and backwards along the oil guiding ribs under the action of gravity after splashing to the oil guiding ribs, and therefore bearings on the input assembly 2.1 and the output assembly 2.2 are lubricated.
The box body assembly 2.3 mainly comprises an upper box body 2.3.1 and a lower box body 2.3.2 which are arranged up and down, and the oil guide rib is arranged on the inner wall of the top of the upper box body 2.3.1. An observation cover 2.3.3 used for observing is arranged at the left end of the upper box body 2.3.1, and an oil level observation window component 2.3.4 used for observing the state of the lubricating oil in the box body is arranged on the lower box body 2.3.2.
In order to facilitate the addition of lubricating oil, an oil filling hole is formed in the lower box body 2.3.2, an oil filling screw plug 2.3.5 is arranged in the oil filling hole, and a combined sealing ring 2.3.6 is arranged between the oil filling screw plug 2.3.5 and the lower box body in order to ensure the sealing property between the oil filling screw plug 2.3.5 and the lower box body. After the lubricating oil is used for many times, in order to conveniently and thoroughly change the lubricating oil, an oil drain hole is arranged at the position right below the lower box body 2.3.2, an oil-proof plug screw 2.3.7 is arranged in the oil drain hole, and a combined sealing ring 2.3.6 is arranged between the oil-proof plug screw 2.3.7 and the lower box body in order to ensure the sealing property between the oil-proof plug screw 2.3.7 and the lower box body. The combination seal 2.3.6 is composed of a metal gasket and a rubber gasket, and the rubber gasket is disposed inside the metal gasket. The sealing effect of the combined sealing ring 2.3.6 is superior to that of a gasket made of a single material.
In order to further ensure that the oil filling screw plug 2.3.5 and the oil-proof screw plug 2.3.7 cannot fall off due to the vibration of the transmission device in the operation of the transmission device, small holes are formed in the head parts of the oil filling screw plug 2.3.5 and the oil-proof screw plug 2.3.7, and the screw plugs and the lower box body 2.3.2 are tightly bound by using iron wires during installation.
In order to facilitate the identification of the transmission and to understand its technical parameters, a name plate 2.3.8 is provided on the lower box 2.3.2, on which a permanent identification is engraved 2.3.8.
The input assembly 2.1 mainly comprises an input gear shaft 2.1.1, an input front end cover 2.1.2, an input oil slinger 2.1.3, an input front space ring 2.1.4, a detection gear 2.1.5, an input bearing seat 2.1.6, an input rear outer space ring 2.1.7, an input rear inner space ring 2.1.8, a shaft end pressing plate 2.1.9, an input rear end cover 2.1.10, an input front bearing 2.1.11 and an input rear bearing 2.1.12.
The input gear shaft 2.1.1 is arranged in the box body assembly 2.3 along the front-back direction, the front end of the input gear shaft 2.1.1 penetrates out of the box body assembly 2.3, an input front bearing 2.1.1.11 is arranged between the front end of the input gear shaft 2.1.1 and the box body assembly 2.3, the input front bearing 2.1.1.11 adopts a cylindrical roller bearing, an input front end cover 2.1.2 fixed on the box body assembly 2.3 is arranged on the front side of the input front bearing 2.1.11, an input front spacing ring 2.1.4 is also arranged between the input front end cover 2.1.2 and the input front bearing 2.1.11, and the input front spacing ring 2.1.4 and the input front end cover 2.1.2 are sleeved on the input gear shaft 2.1.1 through an input oil slinger 2.1.3 for facilitating lubricating oil to enter into the bearing for lubricating the bearings.
The input gear shaft 2.1.1 is provided with a detection gear 2.1.5 near the rear end, the rear end of the input gear shaft 2.1.1 is provided with an input bearing seat 2.1.6 fixed on the box assembly 2.3, an input rear bearing assembly is arranged between the input bearing seat 2.1.6 and the input gear shaft 2.1.1, the input rear bearing assembly is composed of a cylindrical roller bearing and a four-point ball contact bearing 2.1.12 which are oppositely arranged, an input rear outer spacing ring 2.1.7 and an input rear inner spacing ring 2.1.8 are arranged between the cylindrical roller bearing 2.1.11 and the four-point ball contact bearing 2.1.12, the rear end of the input bearing seat 2.1.6 is provided with an input rear end cover 2.1.10 fixed on the input bearing seat 2.1.6, the input rear end cover 2.1.10 is convenient for fixing the rear end of the four-point ball contact bearing 2.1.12, and a shaft end pressing plate 2.1.9 fixed on the input gear shaft 2.1.1.1 is arranged between the input rear end cover 2.10 and the input rear end 2.1.1.
The output assembly 2.2 mainly comprises a driven gear 2.2.1, an output shaft bearing 2.2.2, an output end cover 2.2.3, an output oil slinger 2.2.4 and an output bearing 2.2.5. The driven gear 2.2.1 is meshed with the input gear shaft 2.1.1, the front and the back of the driven gear 2.2.1 are symmetrically provided with an output shaft bearing seat 2.2.2 positioned in an axle mounting hole, an output bearing 2.2.5 is arranged between the output shaft bearing seat 2.2.2 and the driven gear, an output end cover 2.2.3 is arranged outside the output shaft bearing seat 2.2.2, the output shaft bearing seat 2.2.2 and the output end cover 2.2.3 are fixed on the box body assembly 2.3 together, and are sleeved on an axle through an output oil slinger 2.2.4.
The oil guiding ribs are composed of a first oil guiding rib 2.3.1.1, a second oil guiding rib 2.3.1.2, a third oil guiding rib 2.3.1.3 and a fourth oil guiding rib 2.3.1.4, the first oil guiding rib 2.3.1.1 is arranged right above the axle axis along the front-back direction, the second oil guiding rib 2.3.1.2 is arranged on the left of the first oil guiding rib 2.3.1.1 along the front-back direction, and the third oil guiding rib 2.3.1.3 and the fourth oil guiding rib 2.3.1.4 are symmetrically arranged in a shape like '' in the front-back direction and are located on the left of the second oil guiding rib 2.3.1.2.
For the lubrication of the input bearing, the driven gear 2.2.1 stirs the lubricating oil at the bottom of the box assembly 2.3 and throws the lubricating oil on the second oil guiding rib 2.3.1.2 when in operation, so that the lubricating oil changes from circular motion along the driven gear 2.2.1 into motion in the front-back direction, and under the action of the third oil guiding rib 2.3.1.3 and the fourth oil guiding rib 2.3.1.4, the lubricating oil enters the front oil collecting groove and the rear oil collecting groove of the input bearing respectively to lubricate the input bearing.
For the lubrication of the output bearing, the driven gear 2.2.1 stirs the lubricating oil at the bottom of the box assembly 2.3 and throws the lubricating oil on the first oil guiding rib 2.3.1.1 when in operation, so that the lubricating oil changes from circular motion along the driven gear 2.2.1 into motion in the front-back direction, and then enters the front oil collecting groove and the rear oil collecting groove of the output bearing 2.2.5 to lubricate the output bearing 2.2.5.
Claims (8)
1. A subway gearbox transmission device comprises a suspender assembly (1) and a gearbox assembly (2), wherein the gearbox assembly (2) comprises an input assembly (2.1), an output assembly (2.2) and a box body assembly (2.3), the input assembly (2.1) is used for inputting power, the output assembly (2.2) is used for transmitting the power on the input assembly (2.1) to an axle through gear engagement, the box body assembly (2.3) is provided with an axle mounting hole for the axle to pass through and is coaxially arranged with the output assembly (2.2), the input assembly (2.1) and the output assembly (2.2) are both provided with bearings, one end of the suspender assembly (1) is arranged on the box body assembly (2.3) and is positioned at the lower end of the input assembly (2.1), the box body assembly (2.3) is provided with a filling hole for adding lubricating oil and an oil drain hole for replacing the lubricating oil, the method is characterized in that: the inner wall of the top of the box body assembly (2.3) is provided with at least two oil guiding ribs which extend forwards and backwards and respectively correspond to the input assembly (2.1) and the output assembly (2.2), so that lubricating oil thrown out in the rotating process of the internal gear can flow forwards and backwards along the oil guiding ribs under the action of gravity after splashing to the oil guiding ribs, and bearings on the input assembly (2.1) and the output assembly (2.2) are lubricated.
2. A metro gearbox transmission according to claim 1, characterized in that: the oil guide device is characterized in that the box body assembly (2.3) comprises an upper box body (2.3.1) and a lower box body (2.3.2), which are arranged up and down, and the oil guide ribs are arranged on the inner wall of the top of the upper box body (2.3.1).
3. A metro gearbox transmission according to claim 2, characterized in that: the oil filling hole is formed in the lower box body (2.3.2), an oil filling screw plug (2.3.5) is arranged in the oil filling hole, and the oil filling screw plug (2.3.5) and the lower box body (2.3.2) are sealed through a combined sealing ring (2.3.6).
4. A metro gearbox transmission according to claim 2, characterized in that: the oil drain hole is formed in the lower box body (2.3.2), an oil drain plug (2.3.7) is arranged in the oil drain hole, and the oil drain plug (2.3.7) and the lower box body (2.3.2) are sealed through a combined sealing ring (2.3.6).
5. A metro gearbox transmission according to claim 3 or 4, characterized in that: the composite seal ring (2.3.6) comprises a metal gasket and a rubber gasket, and the rubber gasket is arranged on the inner side of the metal gasket.
6. A metro gearbox transmission according to claim 1 or 2, characterized in that: lead oily muscle including first lead oily muscle (2.3.1.1), second lead oily muscle (2.3.1.2), third lead oily muscle (2.3.1.3) and fourth lead oily muscle (2.3.1.4), first lead oily muscle (2.3.1.1) set up directly over output assembly (2.2) axis along the fore-and-aft direction, the second is led oily muscle (2.3.1.2) and is set up the left of first leading oily muscle (2.3.1.1) along the fore-and-aft direction, oily muscle (2.3.1.3) and fourth are led oily muscle (2.3.1.4) longitudinal symmetry and are "" style of calligraphy setting to the third, and are located the left of second leading oily muscle (2.3.1.2).
7. A metro gearbox transmission according to claim 1, characterized in that: the input assembly (2.1) comprises an input gear shaft (2.1.1), the input gear shaft (2.1.1) is arranged in a box body assembly (2.3) along the front-back direction, the front end of the input gear shaft (2.1.1) penetrates out of the box body assembly (2.3), an input front bearing (2.1.1.11) is arranged between the front end of the input gear shaft (2.1.1) and the box body assembly (2.3), an input front end cover (2.1.2) fixed on the box body assembly (2.3) is arranged on the front side of the input front bearing (2.1.11), an input front spacing ring (2.1.4) is further arranged between the input front end cover (2.1.2) and the input front bearing (2.1.11), the input front spacing ring (2.1.4) and the input front end cover (2.1.2) are sleeved on the input gear shaft (2.1.1.1) through an input oil slinger (2.1.3), the position of the input front spacing ring (2.1.1.1) and the rear end of the input gear shaft (2.1.1) are provided with a bearing seat (6) which is close to the input gear shaft assembly (2.1.1), an input rear bearing assembly is arranged between the input bearing seat (2.1.6) and the input gear shaft (2.1.1), and an input rear end cover (2.1.10) fixed on the input bearing seat (2.1.6) is arranged at the rear end of the input bearing seat (2.1.6).
8. A metro gearbox transmission according to claim 7, characterized in that: the output assembly (2.2) comprises a driven gear (2.2.1), an output shaft bearing (2.2.2), an output end cover (2.2.3), an output oil slinger (2.2.4) and an output bearing (2.2.5), wherein the driven gear (2.2.1) is meshed with the input gear shaft (2.1.1), the front and back of the driven gear (2.2.1) are symmetrically provided with the output bearing seats (2.2.2) positioned in an axle mounting hole, the output bearing (2.2.5) is arranged between the output bearing seats (2.2.2) and the driven gear, the output end cover (2.2.3) is arranged outside the output bearing seats (2.2.2), the output bearing seats (2.2.2) and the output end cover (2.2.3) are fixed on the box body assembly (2.3) together, and are sleeved on an axle through the output oil slinger (2.2.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120680624.8U CN214578776U (en) | 2021-04-02 | 2021-04-02 | Subway gear box transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120680624.8U CN214578776U (en) | 2021-04-02 | 2021-04-02 | Subway gear box transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214578776U true CN214578776U (en) | 2021-11-02 |
Family
ID=78322964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120680624.8U Active CN214578776U (en) | 2021-04-02 | 2021-04-02 | Subway gear box transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214578776U (en) |
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2021
- 2021-04-02 CN CN202120680624.8U patent/CN214578776U/en active Active
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