CN104633061B - Gear case body for tramcar - Google Patents

Gear case body for tramcar Download PDF

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Publication number
CN104633061B
CN104633061B CN201410776985.7A CN201410776985A CN104633061B CN 104633061 B CN104633061 B CN 104633061B CN 201410776985 A CN201410776985 A CN 201410776985A CN 104633061 B CN104633061 B CN 104633061B
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China
Prior art keywords
oil
hole
case body
upper box
box
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CN201410776985.7A
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CN104633061A (en
Inventor
杨俊杰
胡高华
李胜
高兵
于晓伟
朱朝江
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CRRC Qishuyan Institute Co Ltd
Changzhou CRRC Ruitai Equipment Technology Co Ltd
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Changzhou Ruitai Engineering Machinery Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2700/00Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
    • F16H2700/02Transmissions, specially for working vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention discloses a gear case body for a tramcar. The gear case body comprises an upper case body, a lower case body, a small bearing base and big bearing bases. The upper case body is provided with an upper wall inclined face and further provided with an oil inlet window, an oil collection cavity, an oil inlet hole and a second oil return hole. The inclined angle of the upper wall inclined face and the horizontal plane ranges from 15 degrees to 30 degrees. The upper wall inclined face stretches to the oil inlet window. The oil inlet window is communicated with the oil collection cavity. The bottom of the oil collection cavity is communicated with the oil inlet hole. The oil inlet hole is communicated with a small bearing base hole. The small bearing base hole is communicated with the second oil return hole. The second oil return hole is communicated with an inner cavity of the gear case body. The op of the upper case body is provided with an opening. The outer end face of the small bearing base stretches out of the side face of the upper case body. The upper case body is further provided with a small oil window, a second oil discharge hole and an oil discharge channel. A lifting hole center for upper end lifting of the upper case body, a lifting hole center for lower end lifting and centers of big bearing base holes are distributed in a triangular shape. The gear case body is compact in structure, stable and reliable to work and easy to maintain.

Description

Tramcar gear case body
Technical field
The present invention relates to a kind of gear-box of tramcar, especially about 100% low-floor tramcar gear-box case Body.
Background technology
In recent years, low-floor tramcar is a kind of boom town rail traffic vehicles between light rail and subway, There is the advantage of uniqueness, wherein, gear-box is the important drive disk assembly of low-floor tramcar, and gear case body is then gear The critical component of case.The existing patent of tramcar gear drive is CN 203717849 U at present:A kind of one-level spiral Bevel gearing, the casing of this gear drive has following deficiency:(1) to exceed casing longer by one for erecting by overhang Segment distance, structure is not compact;(2) casing relies only on an erecting by overhang and is fastenedly connected, operationally stability and can Not enough by property;(3) when pinion shaft component lubrication effect is bad or runs appearance exception it is impossible to observe inside little dead eye Situation, pinion shaft assembly can only be disassembled inspection, be difficult care and maintenance.
Content of the invention
It is an object of the invention to provide a kind of compact conformation, rail stable and reliable in work, easy to maintain and maintenance are electric Automobile-used gear case body.
The technical scheme realizing above-mentioned purpose is:A kind of tramcar gear case body, including:Upper box, lower box, Small bearing bracket and big bearing block, wherein, described upper box and lower box are fastenedly connected and become casing, and described big bearing block is subdivision Formula structure, upper and lower casing respectively accounts for half, and big bearing block has big bearing saddle bore, and described small bearing bracket is located on upper box, described The small bearing bracket centerline hole of small bearing bracket is perpendicular with big bearing saddle bore center line, is provided with gear tank deck inside described small bearing bracket Rank, described upper box has upper wall inclined-plane, and described upper box is additionally provided with oil-feed window, collection chamber, fuel feed hole and the second spill port, institute State the angle theta between upper wall inclined-plane and horizontal plane1For 15 °~30 °, described upper wall inclined-plane extends to oil-feed window, and oil-feed window connects Collection chamber, collection chamber bottom connects fuel feed hole, and fuel feed hole connects small bearing bracket hole, and small bearing bracket hole connects the second spill port, the Two oil return holes lead to cabinets cavity, and the top of described upper box has opening, opening and collection chamber insertion, described small bearing bracket Outer face is stretched out outside the side of upper box, and described upper box also has little oil window, the second drain oil and oil duct of draining the oil, described Oil duct two ends of draining the oil are communicated with collection chamber and the second drain oil respectively, and described little oil window is communicated with small bearing bracket hole, described big axle Bearing has two, and is located at the both sides of casing respectively, and the lower box of described big bearing block bottom all has the first spill port, the One spill port leads to cabinets cavity, the inclined arrangement of faying face, inclination angle theta between described upper box and lower box2For 30 °~45 °, The side of described casing has taper pin-hole, is provided with upper end hanging and lower end is hung at the outer end of the small bearing bracket on described upper box Hang, the center three at the lifting hole(eyelet) center of described upper end hanging, the lifting hole(eyelet) center of lower end hanging and big bearing saddle bore is in angular distribution.
Fuel feed hole on described upper box is located at the positive obliquely downward of oil-feed window.
The top of described upper box is provided with Ventilated cap installing hole, and the opening of described Ventilated cap installing hole sinks to the table of upper box In face.
Described lower box also includes oily greatly window and the first drain oil, and the first drain oil is communicated with cabinets cavity bottom.
The side of described upper box is provided with nameplate boss.
3 the first spill ports are all arranged at the bottom of each big bearing block.
Using the railroad car gear case body after technique scheme, there is advantages below and effect:
1) due to small bearing bracket centerline hole and big bearing saddle bore central axis, enable the vertical biography with moment of torsion of moving Pass, under big bearing saddle bore center line, bearing saddle bore center line one segment distance less than normal, reduces the center of gravity of casing, be particularly suited for low land The travelling gear box body of plate tramcar;
2) due to using upper end hanging and lower end hanging, and the outer face of small bearing bracket stretches out outside the side of upper box, Eliminate the input horn mouth profile of prior art, therefore, there is compact conformation;
3), after upper end hanging is installed in place with lower end hanging, casing has enough stability and reliability.Due to little axle The outer face of bearing is stretched out outside the side of upper box, is also convenient for the installation and removal of pinion shaft assembly, in addition, upper and lower case Body is used for the side that the taper pin-hole that positions is opened in casing, rather than prior art pin-and-hole is opened on die joint, convenient The installation and removal of casing.
4) upper box is provided with collection chamber and little oil window, can observe pinion shaft assembly and driven gear by collection chamber Ruuning situation, when input abnormal, can not dismantle pinion shaft assembly and can find problem place.By little oil window It is observed that the situation of change of small bearing bracket in the hole portion fluid, when input lubricant effect is not good, can directly pass through oil-collecting Fluid is injected into fuel feed hole by the opening of top of chamber, and the fluid of injection fuel feed hole is flowed into small bearing bracket in the hole, makes pinion shaft The enough lubricating oils of assembly storage, therefore, setting, the maintenance beneficial to gear-box and the maintenance of collection chamber and little oil window.Additionally, This collection chamber can collect the fluid not entered fuel feed hole by drainage, and flows back to casing by the second spill port.
5) because oil duct of draining the oil is communicated with collection chamber, by the second drain oil, clean upper box collection chamber can thoroughly be put Internal rotten lubricating oil, beneficial to the cleaning in top box body.
Brief description
The present invention is described in further detail for the embodiment being given below in conjunction with accompanying drawing.
Fig. 1 is the front view of the tramcar gear case body of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the section B-B figure of Fig. 2;
Fig. 4 is the C-C sectional view of Fig. 2.
Specific embodiment
As shown in figures 1-4, the tramcar gear case body of the present invention, including:Upper box 1, lower box 2, little bearing Seat 3 and big bearing block 4, wherein, described upper box 1 is fastenedly connected with lower box 2 and becomes casing, and described big bearing block 4 is subdivision Formula structure, upper and lower casing 1,2 respectively accounts for half, and big bearing block 4 has big bearing saddle bore 4-1, and described small bearing bracket 3 is located at top box On body 1, the small bearing bracket hole 3-1 center line of described small bearing bracket 3 is perpendicular with big bearing saddle bore 4-1 center line, and big bearing Under bore 4-1 center line skew small bearing bracket hole 3-1 center line apart from d be 10 mm~50mm, in described small bearing bracket 3-1 Portion is provided with gear tank deck rank 3-2, and described upper box 1 has upper wall inclined-plane 1-1, and described upper box 1 is additionally provided with oil-feed window 17, collection chamber 15th, fuel feed hole 16 and the second spill port 18, the angle theta between described upper wall inclined-plane 1-1 and horizontal plane1For 15 °~30 °, described Upper wall inclined-plane 1-1 extends to oil-feed window 17, and oil-feed window 17 connects collection chamber 15, and collection chamber 15 bottom connects fuel feed hole 16, oil-feed Hole 16 connects small bearing bracket hole 3-1, and small bearing bracket hole 3-1 connects the second spill port 18, and the second spill port 18 leads to cabinets cavity 20, the top of described upper box 1 has opening 15-1, opening 15-1 and collection chamber 15 insertion, the outer face of described small bearing bracket 3 Stretch out outside the side of upper box 1, described upper box 1 also has little oil window 13, the second drain oil 11 and oil duct 19 of draining the oil, institute State oil duct 19 two ends of draining the oil to communicate with collection chamber 15 and the second drain oil 11 respectively, described little oil window 13 and small bearing bracket hole 3-1 Communicate, described big bearing block 4 has two, and be located at the both sides of casing respectively, on the lower box 2 of described big bearing block 4 bottom all Have the first spill port 9, the first spill port 9 leads to cabinets cavity 20, and between described upper box 1 and lower box 2, faying face is in and inclines Tiltedly arrange, inclination angle theta2For 30 °~45 °, the side of described casing has taper pin-hole 6, the small bearing bracket 3 on described upper box 1 It is provided with upper end hanging 14 and lower end hanging 12, in the lifting hole(eyelet) center of described upper end hanging 14, the lifting hole(eyelet) of lower end hanging 12 at outer end The center three of the heart and big bearing saddle bore 4-1 is in angular distribution.
As shown in figure 3, the fuel feed hole 16 on described upper box 1 is located at the positive obliquely downward of oil-feed window 17.
As shown in Figure 1, 2, the top of described upper box 1 is provided with Ventilated cap installing hole 5, the opening of described Ventilated cap installing hole 5 It is fond of salty food in the surface of upper box 1.So, after Ventilated cap installing hole 5 installing Ventilated cap, there is greater compactness of space.
As shown in figure 1, in order to observe the oil level within lower box 2, and put the fluid of clean lower box 2, described lower box 2 Also include oily greatly window 7 and the first drain oil 8, the first drain oil 8 is communicated with cabinets cavity 20 bottom.
As shown in figure 1, for the ease of casing in obvious station location marker, the side of described upper box 1 is provided with nameplate boss 10.
As shown in Figure 3,4,3 the first spill ports 9 are all arranged at the bottom of each big bearing block 4.
As shown in Figure 1,3, the angle theta between described upper wall inclined-plane 1-1 and horizontal plane1For 15 °~30 °, so, play relatively Good drainage oil-collecting effect, fluid from the 1-1 drainage of upper wall inclined-plane through oil-feed window 17, and can fall into fuel feed hole 16, and then flows into Inside the 3-1 of small bearing bracket hole, the fluid within the 3-1 of small bearing bracket hole flows back to box house by the second spill port 18, constitutes master The circulating oil path of moved end.
The opening 15-1 at described collection chamber 15 top is easy to observe lower box 2 inner body (such as:Driven gear) use Situation;After fluid flows into small bearing bracket hole 3-1 inside, due to keeping off the oil-blocking action of tank deck rank 3-2, converge in small bearing bracket hole 3- Fluid in 1 flows back to cabinets cavity 20 from the second spill port 18.
Described oil duct 19 of draining the oil is communicated with collection chamber 15, and oil duct 19 of draining the oil is connected with the second drain oil 11 again, can will collect Fluid within oil pocket 15 is put totally, facilitates the fluid in collection chamber 15 to be back to casing.
Described little oil window 13 is connected with inside the 3-1 of small bearing bracket hole, is easy to observe the fluid change feelings within upper box 1 Condition.
The Ventilated cap installing hole 5 on described upper box 1 top is also used as the pouring orifice of casing.

Claims (6)

1. a kind of tramcar gear case body, including:Upper box (1), lower box (2), small bearing bracket (3) and big bearing block (4), wherein, described upper box (1) and lower box (2) are fastenedly connected and become casing, and described big bearing block (4) is tied for dissection type Structure, upper and lower casing (1,2) respectively accounts for half, and big bearing block (4) has big bearing saddle bore (4-1), and described small bearing bracket (3) is located at On upper box (1), small bearing bracket hole (3-1) center line of described small bearing bracket (3) is hung down with big bearing saddle bore (4-1) center line phase Directly, it is provided with gear tank deck rank (3-2) inside described small bearing bracket (3), described upper box (1) has upper wall inclined-plane (1-1), its feature It is:
A, described upper box (1) are additionally provided with oil-feed window (17), collection chamber (15), fuel feed hole (16) and the second spill port (18), institute State angle theta and horizontal plane between for the upper wall inclined-plane (1-1)1For 15 °~30 °, described upper wall inclined-plane (1-1) extends to oil-feed window (17), oil-feed window (17) connection collection chamber (15), collection chamber (15) bottom connection fuel feed hole (16), fuel feed hole (16) connects little axle Bearing hole (3-1), small bearing bracket hole (3-1) connects the second spill port (18), the second spill port(18)Towards cabinets cavity(20),
B, the top of described upper box (1) have opening(15-1), opening(15-1)With collection chamber (15) insertion,
C, the outer face of described small bearing bracket (3) are stretched out outside the side of upper box (1),
Little oil window (13), the second drain oil (11) and oil duct of draining the oil (19), described discharging oil are also had on d, described upper box (1) Road (19) two ends are communicated with collection chamber (15) and the second drain oil (11) respectively, described little oil window (13) with small bearing bracket hole (3- 1) communicate,
E, described big bearing block (4) have two, and are located at the both sides of casing, the lower box of described big bearing block (4) bottom respectively (2) all have the first spill port (9) on, the first spill port (9) leads to cabinets cavity(20),
The inclined arrangement of faying face between f, described upper box (1) and lower box (2), inclination angle theta2For 30 °~45 °,
G, described upper box (1) have taper pin-hole (6) with the side of lower box (2),
It is provided with upper end hanging (14) and lower end hanging (12) at the outer end of small bearing bracket (3) on h, described upper box (1), described The center three at the lifting hole(eyelet) center of upper end hanging (14), the lifting hole(eyelet) center of lower end hanging (12) and big bearing saddle bore (4-1) is in three Angle is distributed.
2. tramcar gear case body according to claim 1 it is characterised in that:Entering on described upper box (1) Oilhole (16) is located at the positive obliquely downward of oil-feed window (17).
3. tramcar gear case body according to claim 1 it is characterised in that:The top of described upper box (1) It is provided with Ventilated cap installing hole (5), the opening of described Ventilated cap installing hole (5) sinks in the surface of upper box (1).
4. tramcar gear case body according to claim 1 it is characterised in that:Described lower box (2) also includes Oily greatly window (7) and the first drain oil (8), the first drain oil (8) and cabinets cavity(20)Bottom communicates.
5. tramcar gear case body according to claim 1 it is characterised in that:The side of described upper box (1) It is provided with nameplate boss (10).
6. tramcar gear case body according to claim 1 it is characterised in that:The bottom of each big bearing block (4) All there are 3 the first spill ports (9) in portion.
CN201410776985.7A 2014-12-17 2014-12-17 Gear case body for tramcar Active CN104633061B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410776985.7A CN104633061B (en) 2014-12-17 2014-12-17 Gear case body for tramcar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410776985.7A CN104633061B (en) 2014-12-17 2014-12-17 Gear case body for tramcar

Publications (2)

Publication Number Publication Date
CN104633061A CN104633061A (en) 2015-05-20
CN104633061B true CN104633061B (en) 2017-02-22

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JP2003185001A (en) * 2001-12-19 2003-07-03 Aisin Ai Co Ltd Lubricating device for transmission
JP2006064056A (en) * 2004-08-26 2006-03-09 Mazda Motor Corp Bearing lubricating structure for differential device
CN201100322Y (en) * 2007-09-27 2008-08-13 刘景山 Watch hole for bearing box
CN201763934U (en) * 2010-03-31 2011-03-16 南京高速齿轮制造有限公司 Gear box used for track transportation vehicle
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CN102951162B (en) * 2011-08-24 2015-04-22 南车戚墅堰机车车辆工艺研究所有限公司 Hanging device of gear transmission system
CN102494115B (en) * 2011-11-29 2017-05-17 南车株洲电力机车有限公司 Bearing lubricating structure of driving gear shaft of gear box for urban rail traffic vehicle
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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
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CN203272741U (en) * 2013-04-12 2013-11-06 南京高速齿轮制造有限公司 Gear box for subway vehicles
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CN204387271U (en) * 2014-12-17 2015-06-10 常州市瑞泰工程机械有限公司 A kind of tram car gear case body

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Effective date of registration: 20170721

Address after: 213011 No. 99 Wuyi Road, Jiangsu, Changzhou, China

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Patentee after: CHANGZHOU RUITAI ENGINEERING MACHINERY Co.,Ltd.

Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 99, No.

Patentee before: CHANGZHOU RUITAI ENGINEERING MACHINERY Co.,Ltd.

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Address after: 213011 No.99, Wuyi Road, Changzhou City, Jiangsu Province

Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd.

Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd.

Address before: 213011 No.99, Wuyi Road, Changzhou City, Jiangsu Province

Patentee before: CHANGZHOU RUITAI ENGINEERING MACHINERY Co.,Ltd.

Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd.

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Address after: 213011 No.99, Wuyi Road, Changzhou City, Jiangsu Province

Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd.

Country or region after: China

Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd.

Address before: 213011 No.99, Wuyi Road, Changzhou City, Jiangsu Province

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Country or region before: China

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