CN105835623A - Compact drive axle for coal mine underground vehicle - Google Patents
Compact drive axle for coal mine underground vehicle Download PDFInfo
- Publication number
- CN105835623A CN105835623A CN201610314465.3A CN201610314465A CN105835623A CN 105835623 A CN105835623 A CN 105835623A CN 201610314465 A CN201610314465 A CN 201610314465A CN 105835623 A CN105835623 A CN 105835623A
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- Prior art keywords
- axle
- axle housing
- input
- gear
- coal mine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
- B60B35/125—Power-transmission from drive shaft to hub using gearings of the planetary type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Of Transmissions (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of design and manufacture of coal mine assist transportation equipment parts, and particularly relates to a compact drive axle for a coal mine underground vehicle. The problems that for an existing engineering vehicle, duet to the fact that the drive axle is large in size, the trafficability is poor, and the arrangement space is not enough are solved. The drive axle comprises an input flange, a main speed reducer assembly, a left half axle, a right half axle, a left wet-type friction disk brake, a right wet-type friction disk brake, a left wheel-side speed reducer assembly, a right wheel-side speed reducer assembly, a left connecting axle housing, a right connecting axle housing, a left tire mounting spoke plate and a right tire mounting spoke plate; the input flange is installed on the main speed reducer assembly which is arranged inside an input axle housing, the right connecting axle housing is connected to the right portion of the input axle housing, and the right wet-type friction disk brake, the right wheel-side speed reducer assembly and the right tire mounting spoke plate which are connected with the main speed reducer assembly are arranged on the right side of the right connecting axle housing. By means of the compact drive axle for the coal mine underground vehicle, according to the practical situation that the underground space of a coal mine is small, and the range of activity is narrow, the most compact structure and minimum overall dimension are obtained by optimizing the speed ratio and structure.
Description
Technical field
The invention belongs to the design of development of auxiliary transport in coal mines equipment component and the technical field manufactured, specifically a kind of underground coal mine vehicle compact drive axle.
Background technology
Coal mine operation equipment is many, narrow space, stricter to vehicle volume requirement.Drive axle directly influences adaptability and the technical specification of vehicle as underground coal mine vehicle major impetus drive disk assembly, its power transmission ability and volume.
The Main Function of drive axle is the power that vehicle power source (electromotor or motor) is sent and inputted by universal driving device, passes to tire by gears at different levels in bridge.Underground coal mine vehicle drive axle is based on imported product at present, and profile, physical dimension and performance indications etc. can not be changed on request, are restricted when Car design.Domestic engineering truck drive axle volume for underground coal mine vehicle is excessive so that trafficability can poor, arrangement insufficient space, thus define the bottleneck of Domestic Coal ore deposit underground vehicle development.
Summary of the invention
The present invention is to solve that existing engineering truck drive axle volume is big, cause the trafficability can poor, the problem of insufficient space of arranging, it is provided that one underground coal mine vehicle compact drive axle.
nullThe present invention takes techniques below scheme: a kind of underground coal mine vehicle compact drive axle，Including input flange、Main gearbox assembly、Left half axle、Right axle shaft、Left/right wet friction disk brake、Left/right hub reduction gear assembly、Left/right connects axle housing and disc installed by left/right tire，Input flange is arranged on main gearbox assembly，Main gearbox assembly is arranged in input axle housing，The right part of input axle housing connects right connection axle housing，The right wet friction disk brake being connected with main gearbox assembly it is provided with on the right side of right connection axle housing、Disc installed by right wheel side reducer assembly and right wheel tire，Left part connects left connection axle housing，The left wet friction disk brake being connected with main gearbox assembly it is provided with on the left of left connection axle housing、Revolver side reducer assembly and left tire install disc，Left tire installs disc and right wheel tire is installed and is respectively equipped with tire installation bolt on disc，It is separately installed with brake fluid grouting socket on the case inside plate of right wet friction disk brake and left wet friction disk brake、Cooling oil grouting socket and cooling oil output interface.
Described main gearbox assembly is the first order input of drive axle, including gland nut, small coning gear shaft, input shaft bearing lid, seal, cone bearing, bevel gear wheel, power shaft bearing, differential cage, differential half casing, left spline joint, right spline joint, left half axle and right axle shaft, main gearbox assembly is connected with input flange, input flange is fixed on small coning gear shaft by gland nut, input shaft bearing lid and power shaft bearing are by bolt-connection, equipped with sealing on input shaft bearing lid, small coning gear shaft is fixed in power shaft bearing by a pair cone bearing, bevel gear wheel is meshed with small coning gear shaft, bevel gear wheel is fixed with differential cage by bolt, differential half casing is connected with drive axle left half axle/right axle shaft respectively by left spline joint/right spline joint.
Described left/right wet friction disk brake and left/right hub reduction gear are always integrally forming formula, wherein left/right hub reduction gear assembly includes the sun gear being arranged on left half axle/right axle shaft top, sun gear engages with planetary gear, planetary gear is arranged on planet carrier, planetary gear engages with ring gear, ring gear installs former with tire and brake inner shell is structure as a whole, and ring gear is connected with spring bearing as bearing a set of cups.
Described left/right wet friction disk brake includes steel disc and the friction plate contacted with ring gear, steel disc and friction plate one end are covered tightly by brake gland, steel disc and the friction plate other end are connected with one end of guide post by piston, being provided with brake shell outside steel disc and friction plate, the guide post other end connects with the right axle housing/left connection axle housing that is connected.
The lateral surface of described input axle housing is disposed with evenly distributed reinforcement.
Compared with prior art, the present invention has obvious advance compared with background technology, and it is according to underground coal mine narrow space, the practical situation that range of activity is narrow, by optimizing speed ratio and structure, obtains cramped construction and minimum profile size.Compared with full depth tooth wheel differential, the advantage that toothed differential gear box has simple in construction, both differential action had been achieved, also can redistribute driving torque, when single wheel skids according to two side drive wheel attachment condition and the changes of running resistance, opposite side driving wheel can obtain bigger driving torque, realize self-locking to drive, thus improve the hauling ability of machinery, improve driving safety and the work efficiency of machinery.
Power shaft bearing attached method orchid top and bottom use flat straight manner, effectively reduce the overall dimensions of main reducing gear；Brake employing and the design of hub reduction gear integral type, ring gear is drive axle power delivery section, insert the most again brake and couple spline as friction plate, this structure, compared with split type brake, had both met the requirement of braking moment, in turn ensure that the reliability of brake, can also greatly reduce brake overall dimensions, make the profile of drive axle evenly, the part no longer having local to protrude, facilitate entire vehicle design to adapt to down-hole small space.This drive axle advanced and reasonable design, compact conformation, easy to install, it is very good underground coal mine vehicle drive axle it can also be used to other similar engineering vehicles.
Accompanying drawing explanation
Fig. 1 is drive axle top view；
Fig. 2 is drive axle front view；
Fig. 3 is drive axle side view；
Fig. 4 is the A-A profile of Fig. 1；
Fig. 5 is main reducing gear and differential mechanism partial sectional view；
Fig. 6 is brake and hub reduction gear partial sectional view；
Shown in figure, list of numerals is as follows:
null1、Input flange，2、Main gearbox assembly，3、Input axle housing，4、Right connection axle housing，5、Right wet friction disk brake，6、Right wheel side reducer assembly，7、Disc installed by right wheel tire，8、Left connection axle housing，9、Left wet friction disk brake，10、Revolver side reducer assembly，11、Left tire installs disc，12、Bolt installed by tire，13、Brake fluid grouting socket，14、Cooling oil grouting socket，15、Cooling oil output interface，16、Gland nut，17、Small coning gear shaft，18、Input shaft bearing lid，19、Seal，20、Cone bearing，21、Bevel gear wheel，22、Power shaft bearing，23、Differential cage，24、Differential half casing，25、Left spline joint，26、Right spline joint，27、Left half axle，28、Right axle shaft，29、Brake shell，30、Brake gland，31、Guide post、32、Back-moving spring，33、Piston，34、Steel disc，35、Friction plate，36、Wear indicator，37、Planet carrier，38、Spring bearing，39、Floating seal，40、Brake inner shell，41、Ring gear，42、Sun gear，43、Hub reduction gear gland，44、Cushion block，45、Planetary gear.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
nullA kind of underground coal mine vehicle compact drive axle，Including input flange 1、Main gearbox assembly 2、Left half axle 27、Right axle shaft 28、Left/right wet friction disk brake 5、9、Left/right hub reduction gear assembly 6/10、Left/right connects axle housing 4/8 and disc 7/11 installed by left/right tire，Input flange 1 is arranged on main gearbox assembly 2，Main gearbox assembly 2 is arranged in input axle housing 3，The right part of input axle housing 3 connects right connection axle housing 4，The right wet friction disk brake 5 being connected with main gearbox assembly 2 it is provided with on the right side of right connection axle housing 4、Disc 7 installed by right wheel side reducer assembly 6 and right wheel tire，Left part connects left connection axle housing 8，The left wet friction disk brake 9 being connected with main gearbox assembly 2 it is provided with on the left of left connection axle housing 8、Revolver side reducer assembly 10 and left tire install disc 11，Left tire installs disc 11 and right wheel tire is installed and is respectively equipped with tire installation bolt 12 on disc 7，It is separately installed with brake fluid grouting socket 13 on the case inside plate of right wet friction disk brake 5 and left wet friction disk brake 9、Cooling oil grouting socket 14 and cooling oil output interface 15.
nullThe described first order that main gearbox assembly 2 is drive axle input，Including gland nut 16、Small coning gear shaft 17、Input shaft bearing lid 18、Seal 19、Cone bearing 20、Bevel gear wheel 21、Power shaft bearing 22、Differential cage 23、Differential half casing 24、Left spline joint 25、Right spline joint 26、Left half axle 27 and right axle shaft 28，Main gearbox assembly 2 is connected with input flange 1，Input flange 1 is fixed on small coning gear shaft 17 by gland nut 16，Input shaft bearing lid 18 and power shaft bearing 22 are by bolt-connection，Equipped with sealing 19 on input shaft bearing lid 18，Small coning gear shaft 17 is fixed in power shaft bearing 22 by a pair cone bearing 20，Bevel gear wheel 21 is meshed with small coning gear shaft 17，Bevel gear wheel 21 is fixed with differential cage 23 by bolt，Differential half casing 24 is connected with drive axle left half axle 27/ right axle shaft 28 respectively by the left right spline joint of spline joint 25/ 26.
Described left/right wet friction disk brake 5/9 is integral type with left/right hub reduction gear assembly 6/10, wherein left/right hub reduction gear assembly 6/10 includes the sun gear 42 being arranged on left half axle 27/ right axle shaft 28 top, sun gear 42 engages with planetary gear 45, planetary gear 45 is arranged on planet carrier 37, planetary gear 45 engages with ring gear 41, ring gear 41 installs former 7 with tire and brake inner shell 40 is structure as a whole, and ring gear 41 is connected with spring bearing 38 as bearing a set of cups.
Described left/right wet friction disk brake 5/9 includes steel disc 34 and the friction plate 35 contacted with ring gear 41, steel disc 34 and friction plate 35 one end are covered tightly by brake gland 30, steel disc 34 and friction plate 35 other end are connected with one end of guide post 31 by piston 33, being provided with brake shell 29 outside steel disc 34 and friction plate 35, guide post 31 other end connects with the right axle housing 4/ left connection axle housing 8 that is connected.
The lateral surface of described input axle housing 3 is disposed with evenly distributed reinforcement.
Claims (4)
- null1. a underground coal mine vehicle compact drive axle，It is characterized in that: include input flange (1)、Main gearbox assembly (2)、Left half axle (27)、Right axle shaft (28)、Left/right wet friction disk brake (5、9)、Left/right hub reduction gear assembly (6、10)、Left/right connects axle housing (4、8) and left/right tire install disc (7、11)，Input flange (1) is arranged on main gearbox assembly (2)，Main gearbox assembly (2) is arranged in input axle housing (3)，The right part of input axle housing (3) connects right connection axle housing (4)，Right connection axle housing (4) right side is provided with the right wet friction disk brake (5) being connected with main gearbox assembly (2)、Disc (7) installed by right wheel side reducer assembly (6) and right wheel tire，Left part connects left connection axle housing (8)，Left connection axle housing (8) left side is provided with the left wet friction disk brake (9) being connected with main gearbox assembly (2)、Revolver side reducer assembly (10) and left tire install disc (11)，Left tire installs disc (11) and right wheel tire is installed and is respectively equipped with tire installation bolt (12) on disc (7)，It is separately installed with brake fluid grouting socket (13) on the case inside plate of right wet friction disk brake (5) and left wet friction disk brake (9)、Cooling oil grouting socket (14) and cooling oil output interface (15).
- nullUnderground coal mine vehicle compact drive axle the most according to claim 1，It is characterized in that: the described first order that main gearbox assembly (2) is drive axle input，Including gland nut (16)、Small coning gear shaft (17)、Input shaft bearing lid (18)、Seal (19)、Cone bearing (20)、Bevel gear wheel (21)、Power shaft bearing (22)、Differential cage (23)、Differential half casing (24)、Left spline joint (25)、Right spline joint (26)、Left half axle (27) and right axle shaft (28)，Main gearbox assembly (2) is connected with input flange (1)，Input flange (1) is fixed on small coning gear shaft (17) by gland nut (16)，Input shaft bearing lid (18) and power shaft bearing (22) are by bolt-connection，Equipped with sealing (19) on input shaft bearing lid (18)，Small coning gear shaft (17) is fixed in power shaft bearing (22) by a pair cone bearing (20)，Bevel gear wheel (21) is meshed with small coning gear shaft (17)，Bevel gear wheel (21) is fixed with differential cage (23) by bolt，Differential half casing (24) is connected with drive axle left half axle (27)/right axle shaft (28) respectively by left spline joint (25)/right spline joint (26).
- Underground coal mine vehicle compact drive axle the most according to claim 1 and 2, it is characterized in that: described left/right wet friction disk brake (5, 9) with left/right hub reduction gear assembly (6, 10) it is integral type, wherein left/right hub reduction gear assembly (6, 10) sun gear (42) being arranged on left half axle (27)/right axle shaft (28) top is included, sun gear (42) engages with planetary gear (45), planetary gear (45) is arranged on planet carrier (37), planetary gear (45) engages with ring gear (41), ring gear (41) installs former (7) with tire and brake inner shell (40) is structure as a whole, ring gear (41) is connected with spring bearing (38) as bearing a set of cups；Described left/right wet friction disk brake (5,9) includes steel disc (34) and the friction plate (35) contacted with ring gear (41), steel disc (34) and friction plate (35) one end are covered tightly by brake gland (30), steel disc (34) and friction plate (35) other end are connected with one end of guide post (31) by piston (33), steel disc (34) and friction plate (35) outside are provided with brake shell (29), and guide post (31) other end is connected axle housing (4)/left connection axle housing (8) connection with right.
- Underground coal mine vehicle compact drive axle the most according to claim 3, it is characterised in that: the lateral surface of described input axle housing (3) is disposed with evenly distributed reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314465.3A CN105835623A (en) | 2016-05-13 | 2016-05-13 | Compact drive axle for coal mine underground vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314465.3A CN105835623A (en) | 2016-05-13 | 2016-05-13 | Compact drive axle for coal mine underground vehicle |
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| Publication Number | Publication Date |
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| CN105835623A true CN105835623A (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314465.3A Pending CN105835623A (en) | 2016-05-13 | 2016-05-13 | Compact drive axle for coal mine underground vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704554A (en) * | 2016-12-30 | 2017-05-24 | 中国煤炭科工集团太原研究院有限公司 | Through shaft tapered-tooth planet wheel side reducer with brake |
| CN106828086A (en) * | 2016-12-30 | 2017-06-13 | 中国煤炭科工集团太原研究院有限公司 | A kind of mining frame-type carrier of six wheel drives |
| CN109720151A (en) * | 2018-12-05 | 2019-05-07 | 中国煤炭科工集团太原研究院有限公司 | A kind of heavily loaded drive axle pendulous device of coal mine |
| CN110043586A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | Drive axle and its input assembly |
| CN110043585A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | A kind of wet-type braking driving axle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2205467Y (en) * | 1994-09-23 | 1995-08-16 | 北京科技大学 | Multiple disc wet out of pressure brake for vehicle |
| CN101823433A (en) * | 2010-05-21 | 2010-09-08 | 徐工集团工程机械股份有限公司科技分公司 | Wet braking drive axle and loading machine with same |
| CN201991969U (en) * | 2010-08-23 | 2011-09-28 | 山东临工工程机械有限公司 | Wet-type brake hub reducer |
| CN202371053U (en) * | 2011-12-16 | 2012-08-08 | 山东达润专用车有限公司 | Wet brake |
| CN202368550U (en) * | 2011-12-06 | 2012-08-08 | 徐工集团工程机械股份有限公司科技分公司 | Independent braking chamber structure for driving axle |
| CN202560887U (en) * | 2012-04-16 | 2012-11-28 | 烟台杰瑞石油装备技术有限公司 | Wet-type braking device for mine tipping truck |
| CN102975577A (en) * | 2012-12-06 | 2013-03-20 | 安徽合力股份有限公司 | Multi-functional wet axle of 5-10 T fork-lift truck |
| CN104179857A (en) * | 2014-08-15 | 2014-12-03 | 江西省分宜驱动桥有限公司 | Self-circulation cooling system for wet-type braking drive axle |
| CN205033943U (en) * | 2015-09-24 | 2016-02-17 | 重庆大江工业有限责任公司 | Explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine |
| US20160047461A1 (en) * | 2014-08-15 | 2016-02-18 | Arvinmeritor Technology, Llc | Axle Assembly Having a Bowl Cover with Lubricant Management Features |
| CN105416054A (en) * | 2015-12-29 | 2016-03-23 | 中国煤炭科工集团太原研究院有限公司 | Double-stage parallel-connection rigid power transmission system for auxiliary transport vehicle under low type coal mine |
-
2016
- 2016-05-13 CN CN201610314465.3A patent/CN105835623A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2205467Y (en) * | 1994-09-23 | 1995-08-16 | 北京科技大学 | Multiple disc wet out of pressure brake for vehicle |
| CN101823433A (en) * | 2010-05-21 | 2010-09-08 | 徐工集团工程机械股份有限公司科技分公司 | Wet braking drive axle and loading machine with same |
| CN201991969U (en) * | 2010-08-23 | 2011-09-28 | 山东临工工程机械有限公司 | Wet-type brake hub reducer |
| CN202368550U (en) * | 2011-12-06 | 2012-08-08 | 徐工集团工程机械股份有限公司科技分公司 | Independent braking chamber structure for driving axle |
| CN202371053U (en) * | 2011-12-16 | 2012-08-08 | 山东达润专用车有限公司 | Wet brake |
| CN202560887U (en) * | 2012-04-16 | 2012-11-28 | 烟台杰瑞石油装备技术有限公司 | Wet-type braking device for mine tipping truck |
| CN102975577A (en) * | 2012-12-06 | 2013-03-20 | 安徽合力股份有限公司 | Multi-functional wet axle of 5-10 T fork-lift truck |
| CN104179857A (en) * | 2014-08-15 | 2014-12-03 | 江西省分宜驱动桥有限公司 | Self-circulation cooling system for wet-type braking drive axle |
| US20160047461A1 (en) * | 2014-08-15 | 2016-02-18 | Arvinmeritor Technology, Llc | Axle Assembly Having a Bowl Cover with Lubricant Management Features |
| CN205033943U (en) * | 2015-09-24 | 2016-02-17 | 重庆大江工业有限责任公司 | Explosion -proof multi -function vehicle's wet -type braking transaxle for coal mine |
| CN105416054A (en) * | 2015-12-29 | 2016-03-23 | 中国煤炭科工集团太原研究院有限公司 | Double-stage parallel-connection rigid power transmission system for auxiliary transport vehicle under low type coal mine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704554A (en) * | 2016-12-30 | 2017-05-24 | 中国煤炭科工集团太原研究院有限公司 | Through shaft tapered-tooth planet wheel side reducer with brake |
| CN106828086A (en) * | 2016-12-30 | 2017-06-13 | 中国煤炭科工集团太原研究院有限公司 | A kind of mining frame-type carrier of six wheel drives |
| CN109720151A (en) * | 2018-12-05 | 2019-05-07 | 中国煤炭科工集团太原研究院有限公司 | A kind of heavily loaded drive axle pendulous device of coal mine |
| CN110043586A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | Drive axle and its input assembly |
| CN110043585A (en) * | 2019-04-28 | 2019-07-23 | 浙江金道科技股份有限公司 | A kind of wet-type braking driving axle |
| CN110043586B (en) * | 2019-04-28 | 2024-02-20 | 浙江金道科技股份有限公司 | Driving axle and input assembly thereof |
| CN110043585B (en) * | 2019-04-28 | 2024-02-20 | 浙江金道科技股份有限公司 | Wet braking drive axle |
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Application publication date: 20160810 |
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