CN105443732B - Hydraulic power axle gear box body - Google Patents

Hydraulic power axle gear box body Download PDF

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Publication number
CN105443732B
CN105443732B CN201510970077.6A CN201510970077A CN105443732B CN 105443732 B CN105443732 B CN 105443732B CN 201510970077 A CN201510970077 A CN 201510970077A CN 105443732 B CN105443732 B CN 105443732B
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CN
China
Prior art keywords
bearing
seat
box
oil
input shaft
Prior art date
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Application number
CN201510970077.6A
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Chinese (zh)
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CN105443732A (en
Inventor
陈亚东
胡高华
张志强
杨俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou CRRC Ruitai Equipment Technology Co.,Ltd.
CRRC Qishuyan Locomotive and rolling stock Technology Research Institute Co., Ltd
Original Assignee
CRRC Qishuyan Institute Co Ltd
Changzhou Ruitai Engineering Machinery Co Ltd
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Application filed by CRRC Qishuyan Institute Co Ltd, Changzhou Ruitai Engineering Machinery Co Ltd filed Critical CRRC Qishuyan Institute Co Ltd
Priority to CN201510970077.6A priority Critical patent/CN105443732B/en
Publication of CN105443732A publication Critical patent/CN105443732A/en
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Publication of CN105443732B publication Critical patent/CN105443732B/en
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Classifications

    • 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
    • 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
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/0421Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0424Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes

Abstract

The invention discloses a kind of hydraulic power axle gear box body of rail vehicle, including upper box and lower box, first bearing of input shaft seat and the second bearing of input shaft seat are provided with corresponding first oil trap, second plummer block seat is provided with the second oil trap, the upper box is provided with the 3rd oil trap and the 4th oil trap, the flask joint of the lower box stretches boss provided with interior, inside stretch and several the 5th oil traps are provided with above boss, the first bearing of input shaft seat, second bearing of input shaft seat, first plummer block seat, second plummer block seat, corresponding oil storage cabin is respectively equipped with first output shaft bearing seat and the second output shaft bearing seat, the rib of each oil storage cabin is highly at least above at the 1/3 ~ 1/2 of corresponding bearing lowest part roller height;Upper box is provided with observation window, and observation window is provided with oil guide plate, and the lower edge of oil guide plate is located above the first oil trap;Spill port is equipped with upper box, lower box.It is compact conformation of the present invention, rationally distributed.

Description

Hydraulic power axle gear box body
Technical field
The present invention relates to a kind of rail vehicle actuating unit, more particularly to a kind of axle gear box body.
Background technology
With the quickening developed rapidly with urbanization process of China's economy, China's subway construction is rapid.With subway fortune Amount increase and the raising of train operation density, it is also proposed tightened up requirement, especially to the maintenance efficiency and quality of subway line The Rail Surface Abrasion problem for being related to railcar safe operation starts increasingly to protrude.Therefore, the efficient, subway of high reliability Upkeep operation vehicle turns into the new demand of MTR.
Line upkeep working truck typically has two kinds of working conditions, and one kind is high speed traction running status, for by vehicle Traction to treat operating location or return station;Another is low constant speed job run state, for construction maintenance operation.Subway Upkeep operation requires that upkeep operation running velocity is 100km/h, and operation traveling speed is constant, generally 0 ~ 10km/h.Cause This, general high-speed cruising uses hydraulic power, and low speed uses hydraulic drive.There are primary study one kind of the present invention 2 grades of gears to pass The axle gear box of dynamic high speed traction operation.
Existing upkeep operation vehicle high-speed traction axle gear box product is primarily present following deficiency in use: In the low constant speed operation of vehicle in order to ensure that the lubrication of high gear axle box bearing generally all installs forcedlubricating system or filling Substantial amounts of gear oil, the problem of causing gear box structure complexity or bad thermal balance performance.
The content of the invention
It is an object of the invention to provide a kind of compact conformation, rationally distributed, it is adaptable to which railroad maintenance working truck is at a high speed Draw and the reliable high-speed driving axle gear box body of self-lubricating in low speed operation.
In order to achieve the above object, the technical scheme is that:A kind of hydraulic power axle gear box body, including it is upper Casing and lower box, the upper box and lower box are bolted to connection as casing, and casing is provided with arm mounting seat, The first bearing of input shaft seat, the second bearing of input shaft seat, the first plummer block seat, the second jackshaft axle are provided with the casing Bearing, the first output shaft bearing seat and the second output shaft bearing seat, the first bearing of input shaft seat and the second bearing of input shaft The axis of seat constitutes input shaft central axis, during the axis of first plummer block seat and the second plummer block seat is constituted Countershaft central axis, the axis of the first output shaft bearing seat and the second output shaft bearing seat constitutes output shaft central axis, The input shaft central axis and jackshaft centerline axis parallel, the jackshaft central axis and output shaft central axis are mutual Vertically, the input shaft central axis has an offset S, offset S to be 25mm ~ 50mm with jackshaft central axis, and biases Direction is the side away from arm mounting seat,
The first bearing of input shaft seat and the second bearing of input shaft seat are monolithic construction, and on upper box;Institute It is to cut open to state the first plummer block seat, the second plummer block seat, the first output shaft bearing seat and the second output shaft bearing seat Fraction structure, half is located on upper box, and second half is located on lower box;
The first bearing of input shaft seat and the second bearing of input shaft seat are provided with corresponding first oil trap, the first oil-collecting Groove leads at the bearing in corresponding first bearing of input shaft seat and the second bearing of input shaft seat;Second plummer block seat The second oil trap is provided with, the second oil trap leads at the bearing in the second plummer block seat;
The upper box is provided with the 3rd oil trap and the 4th oil trap, and it is defeated that the 3rd oil trap leads to corresponding first Enter at the bearing in bearing housing and the second bearing of input shaft seat, the 4th oil trap leads in the first plummer block seat At bearing;
The flask joint of the lower box stretches boss provided with interior, inside stretches and several the 5th oil traps are provided with above boss, the Five oil traps lead at the bearing in the first plummer block seat respectively, at the bearing in the first output shaft bearing seat and second defeated Go out at the bearing in bearing housing;
The first bearing of input shaft seat, the second bearing of input shaft seat, the first plummer block seat, the second midship shaft bearing Corresponding oil storage cabin is respectively equipped with seat, the first output shaft bearing seat and the second output shaft bearing seat, the rib of each oil storage cabin is high Degree is at least above at the 1/3 ~ 1/2 of corresponding bearing lowest part roller height;
The upper box is provided with observation window, and the observation window is provided with oil guide plate, and the lower edge of oil guide plate is located at the first collection Above oil groove;
The upper box is provided with upper box spill port, and the lower box is provided with lower box spill port.
The lower box is provided with oil separating plate, and oil sump in casing is divided into several oil pockets by oil separating plate, and oil separating plate is provided with oil Chamber intercommunicating pore.
First oil trap leads to the first bearing of input shaft seat and the second input by corresponding first conduction hole respectively At bearing in bearing housing;Second oil trap is led at the bearing in the second plummer block seat by the second conduction hole;Institute The 3rd oil trap is stated by corresponding 3rd conduction hole respectively to lead in the first bearing of input shaft seat and the second bearing of input shaft seat Bearing at;4th oil trap is led at the bearing in the first plummer block seat by the 4th conduction hole.
The upper box spill port at the bearing in the first bearing of input shaft seat with communicating and leading to oil sump in casing;It is described Lower box spill port respectively with the bearing in the first plummer block seat, the first output shaft bearing seat in bearing at and second Communicated at bearing in output shaft bearing seat and lead to oil sump in casing.
The side of the upper box is provided with breather mounting seat.
The side of the lower box is provided with oil level display window and nameplate installation base, and the bottom of lower box is provided with spiral shell of draining the oil Plug, bottom outside is provided with several locating and machining benchmark boss.
Joint portion between the second bearing of input shaft seat of the upper box and the first plummer block seat is provided with reinforcement Boss.
After said structure, because the high bearing of input shaft seat of rotating speed is integrally located on upper box, advantageously ensure that defeated Enter the machining accuracy and form and position tolerance of axle bearing bore;Again because input shaft central axis and jackshaft central axis have a biasing Away from S, and biased direction is that therefore, enough spaces, and energy have been reserved in the installation to input flange away from arm mounting seat side Enough reduce the whole height of gear-box;It is compact conformation of the present invention, rationally distributed.If in addition, oil sump in casing is divided into by oil separating plate Dry oil pocket, substantially reduces the churning loss of gear, reduces the heating in gearbox high-speed running;Casing and bearing block There is provided corresponding oil trap, it is ensured that the lubrication of each position bearing under gearbox high-speed operating mode;Because each bearing block is equipped with Oil storage cabin, and oil reserve submergence bearing lowest part roller 1/3 ~ 1/2 or so, it is ensured that bearing in speed operation lower tooth roller box without The gear oil of splashing also can effectively be lubricated;Be provided with spill port at upper and lower each rotatory sealing of casing, be easy to lubricating oil and Shi Huiliu, improves the sealing reliability of gear-box;Upper box is provided with observation window, and situation in casing is carried out when being easy to safeguard Observation, observation window is provided with oil guide plate, and guide gear oil enters corresponding oil trap, strengthens the oil-collecting effect of oil trap;Case Body is provided with breather mounting seat so that gear-box passes through the breather of installation, effective balance gear roller box in high-speed cruising Inside and outside differential pressure, is conducive to the sealing of gear-box;Lower box sets oil level display window and magnetic plug of draining the oil, and is easy to inside gear-box The observation of oil level and the analysis to oil product, more oil change, thoroughly puts the rotten lubricating oil in clean casing, beneficial to casing in time Cleaning;Because lower box bottom outside is provided with some locating and machining benchmark boss, it is easy to the processing and loading clamp of gear-box, favorably In the machining accuracy and processing efficiency that improve gear-box;Upper box the second bearing of input shaft seat with the first plummer block seat it Between joint portion be provided with reinforcement boss, substantially increase the integral rigidity of casing.
Brief description of the drawings
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the hydraulic power axle gear box body of the present invention;
Fig. 2 is Fig. 1 right view;
Fig. 3 is Fig. 1 A-A sectional views;
Fig. 4 is Fig. 1 B-B sectional views;
Fig. 5 be Fig. 1 in lower box top view;
Fig. 6 is I zoomed-in view in Fig. 1;
Fig. 7 is I I zoomed-in views in Fig. 1.
Embodiment
As shown in Fig. 1,2,3,4,5,6,7, a kind of hydraulic power axle gear box body of the invention, including upper box 1 With lower box 2, the upper box 1 and lower box 2 are bolted to connection as casing, and casing is provided with arm mounting seat 1- 1, provided with the first bearing of input shaft seat the 3, second bearing of input shaft the 4, first plummer block seat 5, second of seat in the casing Between bearing housing 6, the first output shaft bearing seat 7 and the second output shaft bearing seat 8, first bearing of input shaft seat 3 and second The axis of bearing of input shaft seat 4 constitutes input shaft central axis 9, the midship shaft bearing of the first plummer block seat 5 and second The axis of seat 6 constitutes jackshaft central axis 10, the axis of the first output shaft bearing seat 7 and the second output shaft bearing seat 8 Output shaft central axis 11 is constituted, the input shaft central axis 9 is parallel with jackshaft central axis 10, the jackshaft center Axis 10 is mutually perpendicular to output shaft central axis 11, and the input shaft central axis 9 and jackshaft central axis 10 have one inclined Put away from S, offset S is 25mm ~ 50mm, and biased direction is the side away from arm mounting seat 1-1, the first input shaft axle The bearing of input shaft of bearing 3 and second seat 4 is monolithic construction, and on upper box 1;First plummer block seat 5, Two plummer block seats 6, the first output shaft bearing seat 7 and the second output shaft bearing seat 8 are split type structure, and half is located at upper On casing 1, second half is located on lower box 2;The first bearing of input shaft seat 3 and the second bearing of input shaft seat 4 are provided with phase First oil trap 12-1, the 12-2 answered, first oil trap 12-1,12-2 lead to corresponding first bearing of input shaft seat 3 and second At bearing in bearing of input shaft seat 4;Second plummer block seat 6 is provided with the second oil trap 12-3, the second oil trap 12-3 leads at the bearing in the second plummer block seat 6;The upper box 1 is provided with the 3rd oil trap 13-2,13-3 and the Four oil trap 13-1, described 3rd oil trap 13-2,13-3 lead to corresponding first bearing of input shaft seat 3 and the second input shaft axle At bearing in bearing 4, the 4th oil trap 13-1 leads at the bearing in the first plummer block seat 5;The lower box 2 Flask joint stretch boss 14 provided with interior, inside stretch boss 14 and be provided with several the 5th oil trap 14-1,14-2,14-3,14- above 4, the 5th oil trap 14-1,14-2,14-3,14-4 lead at the bearing in the first plummer block seat 5 respectively, the first output shaft At bearing at bearing in bearing block 7 and in the second output shaft bearing seat 8;The first bearing of input shaft seat 3, second is inputted Bearing housing 4, the first plummer block seat 5, the second plummer block seat 6, the first output shaft bearing seat 7 and the second output shaft axle It is respectively equipped with corresponding oil storage cabin 15-1,15-2,15-3,15-4,15-5,15-6,15-7 in bearing 8, each oil storage cabin 15-1, 15-2,15-3,15-4,15-5,15-6,15-7 rib are highly at least above the 1/3 ~ 1/ of corresponding bearing lowest part roller height At 2;The upper box 1 is provided with observation window 16, and the observation window 16 is provided with oil guide plate 16-1, oil guide plate 16-1 lower edge position Above first oil trap 12-1,12-2;The upper box 1 is provided with upper box spill port 18, and the lower box 2 is provided with down Casing spill port 19-1,19-2,19-3.
As shown in Figure 1,5, the lower box 2 is provided with oil separating plate 17, and oil sump in casing is divided into several oil by oil separating plate 17 Chamber, oil separating plate 17 is provided with oil pocket intercommunicating pore 17-1.In such manner, it is possible to substantially reduce the churning loss of gear, gear-box is reduced Heating during high-speed cruising.
As shown in Figure 1,3, described first oil trap 12-1,12-2 is distinguished by corresponding first conduction hole 20-1,20-2 Towards at the bearing in the first bearing of input shaft seat 3 and the second bearing of input shaft seat 4;Second oil trap 12-3 passes through the second drainage Hole 20-3 leads at the bearing in the second plummer block seat 6;Described 3rd oil trap 13-2,13-3 draw by the corresponding 3rd The bearing that discharge orifice 20-5,20-6,20-7,20-8 lead in the first bearing of input shaft seat 3 and the second bearing of input shaft seat 4 respectively Place;The 4th oil trap 13-1 is led at the bearing in the first plummer block seat 5 by the 4th conduction hole 20-4.
As shown in Fig. 1,4, the upper box spill port 18 is communicated and led to at the bearing in the first bearing of input shaft seat 3 Oil sump in casing;Described lower box spill port 19-1,19-2,19-3 respectively with the bearing in the first plummer block seat 5, Communicated at bearing at bearing in one output shaft bearing seat 7 and in the second output shaft bearing seat 8 and lead to oil sump in casing.
As shown in figure 1, the side of the upper box 1 is provided with breather mounting seat 21.So that gear-box is in high-speed cruising, By the breather of installation, effective balance gear roller box inside and outside differential pressure is conducive to the sealing of gear-box.
As shown in Figure 2,4, the side of the lower box 2 is provided with oil level display window 22 and nameplate installation base 23, lower box 2 Bottom be provided with purge cock 24, be easy to the observation and the analysis to oil product of oil level inside gear-box, more oil change, thorough in time The rotten lubricating oil in clean casing is put at bottom, beneficial to the cleaning of casing;It is convex that bottom outside is provided with several locating and machining benchmark Platform 25.It is easy to the processing and loading clamp of gear-box, is conducive to improving the machining accuracy and processing efficiency of gear-box.
As shown in Fig. 2 the combination between the second bearing of input shaft seat 4 of the upper box 1 and the first plummer block seat 5 Portion is provided with reinforcement boss 26.Substantially increase the integral rigidity of casing.

Claims (7)

1. a kind of hydraulic power axle gear box body, including upper box(1)And lower box(2), the upper box(1)And nowel Body(2)It is bolted to connection as casing, casing is provided with arm mounting seat(1-1), it is defeated provided with first in the casing Enter bearing housing(3), the second bearing of input shaft seat(4), the first plummer block seat(5), the second plummer block seat(6), One output shaft bearing seat(7)With the second output shaft bearing seat(8), the first bearing of input shaft seat(3)With the second input shaft axle Bearing(4)Axis constitute input shaft central axis(9), first plummer block seat(5)With the second plummer block seat (6)Axis constitute jackshaft central axis(10), the first output shaft bearing seat(7)With the second output shaft bearing seat(8) Axis constitute output shaft central axis(11), the input shaft central axis(9)With jackshaft central axis(10)It is parallel, institute State jackshaft central axis(10)With output shaft central axis(11)It is mutually perpendicular to, the input shaft central axis(9)With centre Axle central axis(10)It is 25mm ~ 50mm to have an offset S, offset S, and biased direction is away from arm mounting seat(1-1) Side, it is characterised in that:
a)The first bearing of input shaft seat(3)With the second bearing of input shaft seat(4)For monolithic construction, and positioned at upper box (1)On;First plummer block seat(5), the second plummer block seat(6), the first output shaft bearing seat(7)It is defeated with second Go out bearing housing(8)It is split type structure, half is located at upper box(1)On, second half is located at lower box(2)On;
b)The first bearing of input shaft seat(3)With the second bearing of input shaft seat(4)It is provided with corresponding first oil trap(12- 1、12-2), the first oil trap(12-1、12-2)Towards corresponding first bearing of input shaft seat(3)With the second bearing of input shaft seat (4)At interior bearing;Second plummer block seat(6)It is provided with the second oil trap(12-3), the second oil trap(12-3) Towards the second plummer block seat(6)At interior bearing;
c)The upper box(1)It is provided with the 3rd oil trap(13-2、13-3)With the 4th oil trap(13-1), the 3rd oil-collecting Groove(13-2、13-3)Towards corresponding first bearing of input shaft seat(3)With the second bearing of input shaft seat(4)At interior bearing, institute State the 4th oil trap(13-1)Towards the first plummer block seat(5)At interior bearing;
d)The lower box(2)Flask joint stretch boss provided with interior(14), inside stretch boss(14)Be provided with above several the 5th Oil trap(14-1、14-2、14-3、14-4), the 5th oil trap(14-1、14-2、14-3、14-4)Lead to the first jackshaft respectively Bearing block(5)At interior bearing, the first output shaft bearing seat(7)At interior bearing and the second output shaft bearing seat(8)Interior axle Hold place;
e)The first bearing of input shaft seat(3), the second bearing of input shaft seat(4), the first plummer block seat(5), in second Between bearing housing(6), the first output shaft bearing seat(7)With the second output shaft bearing seat(8)On be respectively equipped with corresponding oil storage cabin (15-1、15-2、15-3、15-4、15-5、15-6、15-7), each oil storage cabin(15-1、15-2、15-3、15-4、15-5、15-6、 15-7)Rib highly be at least above corresponding bearing lowest part roller height 1/3 ~ 1/2 at;
f)The upper box(1)It is provided with observation window(16), the observation window cover(16)It is provided with oil guide plate(16-1), Oil Guide Plate(16-1)Lower edge be located at the first oil trap(12-1、12-2)Top;
g)The upper box(1)It is provided with upper box spill port(18), the lower box(2)It is provided with lower box spill port(19- 1、19-2、19-3).
2. hydraulic power axle gear box body according to claim 1, it is characterised in that:The lower box(2)It is provided with Oil separating plate(17), oil separating plate(17)Oil sump in casing is divided into several oil pockets, oil separating plate(17)It is provided with oil pocket intercommunicating pore (17-1).
3. hydraulic power axle gear box body according to claim 1, it is characterised in that:First oil trap(12- 1、12-2)Pass through corresponding first conduction hole(20-1、20-2)Lead to the first bearing of input shaft seat respectively(3)With the second input shaft Bearing block(4)At interior bearing;Second oil trap(12-3)Pass through the second conduction hole(20-3)Towards the second plummer block seat (6)At interior bearing;3rd oil trap(13-2、13-3)Pass through corresponding 3rd conduction hole(20-5、20-6、20-7、 20-8)Lead to the first bearing of input shaft seat respectively(3)With the second bearing of input shaft seat(4)At interior bearing;4th oil-collecting Groove(13-1)Pass through the 4th conduction hole(20-4)Towards the first plummer block seat(5)At interior bearing.
4. hydraulic power axle gear box body according to claim 1, it is characterised in that:The upper box spill port (18)With the first bearing of input shaft seat(3)Communicated at interior bearing and lead to oil sump in casing;The lower box spill port(19- 1、19-2、19-3)Respectively with the first plummer block seat(5)At interior bearing, the first output shaft bearing seat(7)At interior bearing And second output shaft bearing seat(8)Communicated at interior bearing and lead to oil sump in casing.
5. hydraulic power axle gear box body according to claim 1, it is characterised in that:The upper box(1)Side Face is provided with breather mounting seat(21).
6. hydraulic power axle gear box body according to claim 1, it is characterised in that:The lower box(2)Side Face is provided with oil level display window(22)With nameplate installation base(23), lower box(2)Bottom be provided with purge cock(24), outside bottom Side is provided with several locating and machining benchmark boss(25).
7. hydraulic power axle gear box body according to claim 1, it is characterised in that:The upper box(1) Two bearings of input shaft seat(4)With the first plummer block seat(5)Between joint portion be provided with reinforcement boss(26).
CN201510970077.6A 2015-12-22 2015-12-22 Hydraulic power axle gear box body Active CN105443732B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510970077.6A CN105443732B (en) 2015-12-22 2015-12-22 Hydraulic power axle gear box body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510970077.6A CN105443732B (en) 2015-12-22 2015-12-22 Hydraulic power axle gear box body

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CN105443732A CN105443732A (en) 2016-03-30
CN105443732B true CN105443732B (en) 2017-10-10

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937615A (en) * 2016-06-29 2016-09-14 中国北方车辆研究所 Efficient lubricating and cooling structure for axle gear box
CN112360956A (en) * 2020-11-25 2021-02-12 重庆齿轮箱有限责任公司 Lubricating system of gear box

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5857389A (en) * 1996-05-29 1999-01-12 Sumitomo Machinery Corp. Of America Universal mount housing construction for parallel offset gearboxes and gearmotors
CN2926665Y (en) * 2006-07-31 2007-07-25 中国南车集团株洲电力机车研究所 Single-stage gear reducer for automobile
CN201326687Y (en) * 2008-12-25 2009-10-14 南京高特齿轮箱制造有限公司 Edge transmission speed reducer
CN103195912A (en) * 2013-04-12 2013-07-10 南京高速齿轮制造有限公司 Gear box of rail transit vehicle
CN104251297A (en) * 2013-06-28 2014-12-31 常州市瑞泰工程机械有限公司 Hydraulic-hydraumatic comprehensive driving axle gear box body
CN205371560U (en) * 2015-12-22 2016-07-06 常州市瑞泰工程机械有限公司 Hydraulic driving axle gear box box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5857389A (en) * 1996-05-29 1999-01-12 Sumitomo Machinery Corp. Of America Universal mount housing construction for parallel offset gearboxes and gearmotors
CN2926665Y (en) * 2006-07-31 2007-07-25 中国南车集团株洲电力机车研究所 Single-stage gear reducer for automobile
CN201326687Y (en) * 2008-12-25 2009-10-14 南京高特齿轮箱制造有限公司 Edge transmission speed reducer
CN103195912A (en) * 2013-04-12 2013-07-10 南京高速齿轮制造有限公司 Gear box of rail transit vehicle
CN104251297A (en) * 2013-06-28 2014-12-31 常州市瑞泰工程机械有限公司 Hydraulic-hydraumatic comprehensive driving axle gear box body
CN205371560U (en) * 2015-12-22 2016-07-06 常州市瑞泰工程机械有限公司 Hydraulic driving axle gear box box

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