CN203189682U - Subway gear box body - Google Patents
Subway gear box body Download PDFInfo
- Publication number
- CN203189682U CN203189682U CN 201320110679 CN201320110679U CN203189682U CN 203189682 U CN203189682 U CN 203189682U CN 201320110679 CN201320110679 CN 201320110679 CN 201320110679 U CN201320110679 U CN 201320110679U CN 203189682 U CN203189682 U CN 203189682U
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- oil
- big bearing
- bearing
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- small
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Abstract
The utility model discloses a subway gear box body which comprises an upper box body and a lower box body. The inner wall of the upper box body is provided with a big bearing oil collection tank and a small bearing oil collection tank, the big bearing oil collection tank is formed by a first box wall section and a first oil groove baffle and located on the upper portion of a big bearing block supporting hole, the bottom of the big bearing oil collection tank is communicated with the big bearing block supporting hole through a big bearing oil supply hole, and an oil blocking plate is arranged on the upper portion of the big bearing oil collection tank; the small bearing oil collection tank is formed by a second box wall section and a second oil groove baffle and located on the upper portion of a small bearing block supporting hole, the annular section of the small bearing oil collection tank surrounds the small bearing block supporting hole of the upper box body and extends in a semicircular shape, the inclined angle alpha of the axis and the horizontal center line of an inclined section is 15 degrees to 30 degrees, one end of the inclined section is connected with the annular section, the other end of the inclined section extends in the big bearing supporting hole direction or extends to the big bearing supporting hole, and the small bearing oil collection tank is led to the small bearing supporting hole. The subway gear box body can lubricate gear box bearings effectively and reliably, and is good in heat dissipation effect.
Description
Technical field
The utility model relates to a kind of gear-box, especially relates to a kind of subway gear-box.
Background technique
Gear-box is one of urban track traffic field key components and parts, along with speed and the load of city rail vehicle constantly increases, cause gear-box temperature rise aggravation, whether rationally, reliably lubricating structure directly influences the normal use of gear-box, the oil-collecting space of existing gear-box lubricating structure is little, and the trapped fuel amount is few, and bearing lubrication is insufficient, cause gear-box temperature rise aggravation, influence traffic safety.
Summary of the invention
The purpose of this utility model is to provide a kind of can carry out lubricating effectively reliably to box bearing, improves the subway gear case body of the radiating effect of gear-box.
In order to achieve the above object, the technical solution of the utility model is: a kind of subway gear case body, comprise upper box and lower box, described lower box is provided with viewing window, oil ga(u)ge, oiling screw plug and the screw plug of draining the oil, the bottom of lower box is provided with oil sump, described upper box and lower box are provided with big bearing support supported hole, also be provided with the small bearing bracket supported hole on the described upper box, the inwall of described upper box is provided with big bearing oil trap and little bearing oil trap, described big bearing oil trap is made of the first tank wall section and the first oil groove baffle plate, and be positioned at the top of big bearing support supported hole, the bottom of big bearing oil trap is communicated with big bearing support supported hole by big bearing oil inlet hole, described big bearing oil trap top arranges oil baffle, described little bearing oil trap is to be made of the second tank wall section and the second oil groove baffle plate, and be positioned at the top of small bearing bracket supported hole, little bearing oil trap comprises ring segment and oblique section, wherein ring segment extends around upper box small bearing bracket supported hole semicircular in shape, oblique section axis and the inclination alpha of horizontal center line are 15 ° ~ 30 °, oblique section an end and ring segment join, the other end extends to big bearing supported hole direction, or extending to big bearing support supported hole, described little bearing oil trap leads to the small bearing bracket supported hole by little bearing oil inlet hole.
Sink into the inwall of upper box in the first tank wall section of described big bearing oil trap, the back side evagination of the first tank wall section is in the outer surface of upper box.Like this, can effectively reduce the casing width, increase the oil trap volume, increase lubrication effect.
The oil baffle on described big bearing oil trap top is vertically arranged.Like this, can effectively stop the lubricant oil that splashes, improve oil-collecting efficient.
The import of described little bearing oil inlet hole is positioned at oblique section of the little bearing oil trap bottom with the ring segment connecting part.Adopt the multistage oil trap can increase the effective oil-collecting length of oil trap, and accelerate lubrication oil circulation by the bottom oil inlet hole.
Described oil sump is outer male structure, and described oil ga(u)ge and the screw plug of draining the oil all are arranged on the oil sump.Outer male structure oil sump can reduce gear immersion oil height, reduces and stirs oil level decline, improves transmission efficiency.
Several arc grooves are set to described oil sump bilateral symmetry, and the coupling bolt hole that the axis of arc groove is corresponding with casing flask joint place is coaxial.Like this, be convenient to the assembly and disassembly of casing.
On the described big bearing support supported hole big bearing support is housed, in the big bearing support labyrinth seal is housed, labyrinth seal has the inclined-plane towards big bearing lopsidedness, form the labyrinth seal chamber between big bearing support and the labyrinth seal, have big bearing support oil inlet hole and big bearing support spill port on the big bearing support, big bearing support oil inlet hole one end communicates with big bearing oil inlet hole, and the other end leads to the bottom in big bearing place and labyrinth seal chamber, and the labyrinth seal chamber leads to oil sump by big bearing support spill port; On the described small bearing bracket supported hole small bearing bracket is housed, have small bearing bracket oil inlet hole and small bearing bracket spill port on the small bearing bracket, small bearing bracket oil inlet hole one end communicates with little bearing oil inlet hole, the other end leads to little bearing place and leads to the small bearing bracket spill port, and the small bearing bracket spill port leads to oil sump.Like this, can guarantee that the casing oil return is smooth and easy, avoid oil leak.
Described big bearing oil trap and little bearing oil trap and the moulding of casing integrally casting perhaps are fixedly connected on the first oil groove baffle plate, the second oil groove baffle plate by fastening piece the inwall of upper box.Like this, simple in structure, casting and technology capability are good.
Described upper box is provided with breather, and its position is above the main driven gear contact points.Like this, but active balance casing external and internal pressure is avoided the labyrinth seal oil and gas leakage.
Described casing flask joint along the gearwheel center and with the angle β of horizontal center line be 30 ° ± 5 °.
After adopting said structure, compare existing gear case body structure, the utility model can carry out lubricated effectively reliably to box bearing, can effectively improve gear-box lubrication effect and box sealing performance, reduce the operation temperature rise, guarantee gear-box stable, reliably, operation safely, and simple in structure, casting and technology capability are good, are applicable to all kinds of gear-boxes of field of track traffic.
Description of drawings
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
Fig. 1 is the structural front view of subway gear case body of the present utility model;
Fig. 2 is internal structure schematic representation of the present utility model;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is that Fig. 3 is along the sectional view of I-I line;
Fig. 5 is that Fig. 3 is along the sectional view of II-II line;
Fig. 6 is the A place zoomed-in view of Fig. 4;
Fig. 7 is that Fig. 1 is along the sectional view of III-III line.
Embodiment
As Fig. 1,2,3,4,5,6, shown in 7, subway gear case body of the present utility model, comprise upper box 3 and lower box 4, described lower box 4 is provided with viewing window 5, oil ga(u)ge 8, oiling screw plug 6 and the screw plug 9 of draining the oil, the bottom of lower box 4 is provided with oil sump 7, described upper box 3 and lower box 4 are provided with big bearing support supported hole 15, also be provided with small bearing bracket supported hole 20 on the described upper box 3, the inwall of described upper box 3 is provided with big bearing oil trap 12 and little bearing oil trap 13, described big bearing oil trap 12 is made of the first tank wall section 12-3 and the first oil groove baffle plate 12-1, and be positioned at the top of big bearing support supported hole 15, the bottom of big bearing oil trap 12 is communicated with big bearing support supported hole 15 by big bearing oil inlet hole 12-2, described big bearing oil trap 12 tops arrange oil baffle 11, described little bearing oil trap 13 is to be made of the second tank wall section 13-3 and the second oil groove baffle plate 13-1, and be positioned at the top of small bearing bracket supported hole 20, little bearing oil trap 13 comprises ring segment 13a and oblique section 13b, wherein ring segment 13a extends around upper box small bearing bracket supported hole 20 semicirculars in shape, the axis of oblique section 13b and the inclination alpha of horizontal center line are 15 ° ~ 30 °, an end and the ring segment 13a of oblique section 13b join, the other end extends to big bearing supported hole 15 directions, or extending to big bearing support supported hole 15, described little bearing oil trap 13 leads to small bearing bracket supported hole 20 by little bearing oil inlet hole 13-2.
Shown in Fig. 1,2,3,4, sink into the inwall of upper box 3 in the first tank wall section 12-3 of described big bearing oil trap 12, the back side 2 evaginations of the first tank wall section 12-3 are in the outer surface of upper box 3.
Shown in Fig. 2,3, the oil baffle 11 on described big bearing oil trap 12 tops is vertically arranged.
Shown in Fig. 3,5, the import of described little bearing oil inlet hole 13-2 is positioned at oblique section 13b of little bearing oil trap 13 and the bottom of ring segment 13a connecting part.
As shown in Figure 1, described oil sump 7 is outer male structure, and described oil ga(u)ge 8 and the screw plug 9 of draining the oil all are arranged on the oil sump 7.
Shown in Fig. 1,7, several arc grooves 10 are set to described oil sump 7 bilateral symmetry, the coupling bolt hole that the axis of arc groove 10 is corresponding with casing flask joint 14 places is coaxial.Arc groove 10 is as the spanner space of mould assembling bolt, and its diameter is not less than mould assembling bolt spanner diameter.
As Fig. 3,4,5, shown in 6, on the described big bearing support supported hole 15 big bearing support 17 is housed, in the big bearing support 17 labyrinth seal 18 is housed, labyrinth seal 18 has towards the inclined-plane of big bearing lopsidedness 18-1, form labyrinth seal chamber 24 between big bearing support 17 and the labyrinth seal 18, have big bearing support oil inlet hole 16 and big bearing support spill port 19 on the big bearing support 17, big bearing support oil inlet hole 16 1 ends communicate with big bearing oil inlet hole 12-2, the other end leads to the bottom in big bearing place and labyrinth seal chamber 24, and labyrinth seal chamber 24 leads to oil sump 7 by big bearing support spill port 19; On the described small bearing bracket supported hole 20 small bearing bracket 23 is housed, have small bearing bracket oil inlet hole 21 and small bearing bracket spill port 22 on the small bearing bracket 23, small bearing bracket oil inlet hole 21 1 ends communicate with little bearing oil inlet hole 13-2, the other end leads to little bearing place and leads to small bearing bracket spill port 22, and small bearing bracket spill port 22 leads to oil sump 7.
As shown in Figure 1, 2, 3, described big bearing oil trap 12 and little bearing oil trap 13 and the moulding of casing integrally casting perhaps are fixedly connected on the first oil groove baffle plate 12-1, the second oil groove baffle plate 13-1 by fastening piece the inwall of upper box 3.
Shown in Fig. 4,5, the preferred 10 ~ 15mm of height of the first oil groove baffle plate 12-1 and the second oil groove baffle plate 13-1, the preferred 10 ~ 15mm of width of big bearing oil trap 12 and little bearing oil trap 13.
As shown in Figure 1, 2, described upper box 3 is provided with breather 1, and its position is above the main driven gear contact points.
Shown in Fig. 2,3, described casing flask joint 14 along gearwheel center p and with the angle β of horizontal center line be 30 °.
As shown in Figure 1, be equipped with reinforcement gusset and heat radiation gusset on the outer wall of described upper box 3 and lower box 4.Like this, can effectively improve casing rigidity, the temperature of equilibrium when reducing the casing operation simultaneously.
As Fig. 2,3,4,5, shown in 6, the gear-box lubrication principle: gear-box is the space of a relative closure, when vehicle operating, main, driven gear rotates at a high speed, a lubricant oil part is got rid of to cabinet wall under action of centrifugal force, another part is by the master, the driven gear engagement is squeezed to box bilateral wall, big bearing oil trap 12 and little bearing oil trap 13 are collected and are stirred the lubricant oil that oil splashes, and enter corresponding bearing respectively by big bearing oil inlet hole 12-2 and big bearing support oil inlet hole 16 and little bearing oil inlet hole 13-2 and small bearing bracket oil inlet hole 21, the leading role of the pump oil type inclined-plane 18-1 of labyrinth seal 18 has improved the bearing lubrication effect simultaneously.The parts of lubricating oil at big bearing place is seen Fig. 6 from clearance seal position c() lubricant oil of seepage by labyrinth seal 18 at a high speed rotation get rid of to the bottom in labyrinth seal chamber 24, under the gravity effect, be back to gear-box inside through big bearing support spill port 19, prevent oil seepage; In like manner, the parts of lubricating oil at little bearing place also leaks into the bottom of small bearing bracket 23 from corresponding clearance seal position, under the gravity effect, be back to gear-box inside through small bearing bracket spill port 22.
Claims (10)
1. subway gear case body, it is characterized in that: comprise upper box (3) and lower box (4), described lower box (4) is provided with viewing window (5), oil ga(u)ge (8), oiling screw plug (6) and the screw plug of draining the oil (9), the bottom of lower box (4) is provided with oil sump (7), described upper box (3) and lower box (4) are provided with big bearing support supported hole (15), also be provided with small bearing bracket supported hole (20) on the described upper box (3), it is characterized in that:
The inwall of a, described upper box (3) is provided with big bearing oil trap (12) and little bearing oil trap (13),
B, described big bearing oil trap (12) are made of the first tank wall section (12-3) and the first oil groove baffle plate (12-1), and be positioned at the top of big bearing support supported hole (15), the bottom of big bearing oil trap (12) is communicated with big bearing support supported hole (15) by big bearing oil inlet hole (12-2)
C, described big bearing oil trap (12) top arrange oil baffle (11),
D, described little bearing oil trap (13) is to be made of the second tank wall section (13-3) and the second oil groove baffle plate (13-1), and be positioned at the top of small bearing bracket supported hole (20), little bearing oil trap (13) comprises ring segment (13a) and oblique section (13b), wherein ring segment (13a) extends around upper box small bearing bracket supported hole (20) semicircular in shape, the axis of oblique section (13b) and the inclination alpha of horizontal center line are 15 ° ~ 30 °, one end of oblique section (13b) and ring segment (13a) join, the other end extends to big bearing supported hole (15) direction, or extending to big bearing support supported hole (15), described little bearing oil trap (13) leads to small bearing bracket supported hole (20) by little bearing oil inlet hole (13-2).
2. subway gear case body according to claim 1, it is characterized in that: sink into the inwall of upper box (3) in the first tank wall section (12-3) of described big bearing oil trap (12), the back side (2) evagination of the first tank wall section (12-3) is in the outer surface of upper box (3).
3. subway gear case body according to claim 1 is characterized in that: the vertical layout of the oil baffle (11) on described big bearing oil trap (12) top.
4. subway gear case body according to claim 1 is characterized in that: the import of described little bearing oil inlet hole (13-2) is positioned at oblique section (13b) of little bearing oil trap (13) and the bottom of ring segment (13a) connecting part.
5. subway gear case body according to claim 1 is characterized in that: described oil sump (7) is outer male structure, and described oil ga(u)ge (8) and the screw plug of draining the oil (9) all are arranged on the oil sump (7).
6. subway gear case body according to claim 1 is characterized in that: several arc grooves (10) are set to described oil sump (7) bilateral symmetry, and it is coaxial that the axis of arc groove (10) and casing flask joint (14) are located corresponding coupling bolt hole.
7. subway gear case body according to claim 1, it is characterized in that: big bearing support (17) is housed on the described big bearing support supported hole (15), in the big bearing support (17) labyrinth seal (18) is housed, labyrinth seal (18) has towards the inclined-plane of big bearing lopsidedness (18-1), form labyrinth seal chamber (24) between big bearing support (17) and the labyrinth seal (18), have big bearing support oil inlet hole (16) and big bearing support spill port (19) on the big bearing support (17), big bearing support oil inlet hole (16) one ends communicate with big bearing oil inlet hole (12-2), the other end leads to the bottom of big bearing place and labyrinth seal chamber (24), and labyrinth seal chamber (24) lead to oil sump (7) by big bearing support spill port (19); Small bearing bracket (23) is housed on the described small bearing bracket supported hole (20), have small bearing bracket oil inlet hole (21) and small bearing bracket spill port (22) on the small bearing bracket (23), small bearing bracket oil inlet hole (21) one ends communicate with little bearing oil inlet hole (13-2), the other end leads to little bearing place and leads to small bearing bracket spill port (22), and small bearing bracket spill port (22) leads to oil sump (7).
8. subway gear case body according to claim 1, it is characterized in that: described big bearing oil trap (12) and little bearing oil trap (13) and the moulding of casing integrally casting perhaps are fixedly connected on the first oil groove baffle plate (12-1), the second oil groove baffle plate (13-1) by fastening piece the inwall of upper box (3).
9. subway gear case body according to claim 1, it is characterized in that: described upper box (3) is provided with breather (1), and its position is above the main driven gear contact points.
10. subway gear case body according to claim 1 is characterized in that: described casing flask joint (14) along gearwheel center (p) and with the angle β of horizontal center line be 30 ° ± 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320110679 CN203189682U (en) | 2013-03-12 | 2013-03-12 | Subway gear box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320110679 CN203189682U (en) | 2013-03-12 | 2013-03-12 | Subway gear box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189682U true CN203189682U (en) | 2013-09-11 |
Family
ID=49106543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320110679 Withdrawn - After Issue CN203189682U (en) | 2013-03-12 | 2013-03-12 | Subway gear box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189682U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048022A (en) * | 2013-03-12 | 2014-09-17 | 南车戚墅堰机车车辆工艺研究所有限公司 | Box body of subway gear box |
| CN104251299A (en) * | 2013-10-30 | 2014-12-31 | 莱州市盛乐机械有限公司 | Liquid level adjusting oil tank for gearbox |
| CN104455347A (en) * | 2014-11-28 | 2015-03-25 | 苏州市吴中区大陆电子设备厂 | Bearing sealing device |
| CN105240410A (en) * | 2015-11-02 | 2016-01-13 | 苏州市淞舜五金有限公司 | Sealing and lubricating bearing |
| CN105485320A (en) * | 2016-01-19 | 2016-04-13 | 陕西中大机械集团有限责任公司 | Splash lubrication type gear power box |
-
2013
- 2013-03-12 CN CN 201320110679 patent/CN203189682U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048022A (en) * | 2013-03-12 | 2014-09-17 | 南车戚墅堰机车车辆工艺研究所有限公司 | Box body of subway gear box |
| CN104048022B (en) * | 2013-03-12 | 2016-04-27 | 南车戚墅堰机车车辆工艺研究所有限公司 | Subway Gear Box casing |
| CN104251299A (en) * | 2013-10-30 | 2014-12-31 | 莱州市盛乐机械有限公司 | Liquid level adjusting oil tank for gearbox |
| CN104455347A (en) * | 2014-11-28 | 2015-03-25 | 苏州市吴中区大陆电子设备厂 | Bearing sealing device |
| CN105240410A (en) * | 2015-11-02 | 2016-01-13 | 苏州市淞舜五金有限公司 | Sealing and lubricating bearing |
| CN105485320A (en) * | 2016-01-19 | 2016-04-13 | 陕西中大机械集团有限责任公司 | Splash lubrication type gear power box |
| CN105485320B (en) * | 2016-01-19 | 2018-08-07 | 陕西中大机械集团有限责任公司 | Splashing lubricating type gear transmission case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |