CN104354591A - Drive axle with main speed reducer with planetary structure - Google Patents
Drive axle with main speed reducer with planetary structure Download PDFInfo
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- CN104354591A CN104354591A CN201410581519.3A CN201410581519A CN104354591A CN 104354591 A CN104354591 A CN 104354591A CN 201410581519 A CN201410581519 A CN 201410581519A CN 104354591 A CN104354591 A CN 104354591A
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- axle
- gear
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- driving
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Abstract
The invention relates to a drive axle with a main speed reducer with a planetary structure and aims at providing the drive axle which is simple in structure and convenient to manufacture and has the advantages that a transmission system in the axle is compact in structure, the occupied vertical and horizontal space sizes are reduced, the cross section change of an axle housing is reduced and the breakage of the axle housing is avoided. The invention adopts the technical scheme as follows: the drive axle comprises the drive axle housing, a left half shaft, a right half shaft and a transmission system assembly, wherein the transmission system assembly comprises a transmission system housing, a differential mechanism, a planetary wheel reducer and a multistage speed reduction gear mechanism; the planetary wheel reducer is mounted in the transmission system housing, an axial through hole is formed in a sun wheel of the planetary wheel reducer, the left half shaft is coaxially sleeved with the sun wheel, a planetary wheel is positioned and mounted on a left half housing of the differential mechanism and a planetary wheel frame through a bearing and a planetary shaft, and a gear ring is fixed to the transmission system housing through a gear ring support; the multistage speed reduction gear mechanism is mounted in the transmission system housing and used for driving the sun wheel to rotate. The drive axle is suitable for an industrial vehicle drive system with high speed ratio.
Description
Technical field
The present invention relates to the drive axle that a kind of master subtracts band planetary structure.Be applicable to large speed ratio industrial vehicle drive system.
Background technology
Domestic and international 4.5 ton forklift drive axles generally adopt the version as Fig. 1, and main reduction gear and change speed gear box are made of one, and do not have wheel reduction gear.
Main driving pair and diff are contained on change speed gear box, owing to there is no hub reduction, therefore require that main gear reduction ratio and load-carrying capacity are just relatively large, therefore main driving pair diameter is relatively just large, bridge bag 101 is needed just large (see Fig. 1) to contain space also, give the increase of fork truck complete machine ground Clearance like this, the improvement of crossing ability and the layout of door frame bring very large difficulty.Again because do not have hub reduction, therefore Driving axle housing 1 profile seems that centre is especially big, two ends thin, and axle housing changes of section is large, not only unshapeliness, and easily produce material stress and concentrate during carrying, the phenomenon of the bridge hull to break down is even generation, and this safety to drive axle, reliability are great challenge.
Summary of the invention
The technical problem to be solved in the present invention is: for above-mentioned Problems existing, simple, the easily manufactured master of a kind of structure is provided to subtract the drive axle of band planetary structure, to make drive system structure in bridge compact, reduce vertical, the horizontal space size that take, reduce axle housing changes of section, avoid the bridge hull to break down occurs.
The technical solution adopted in the present invention is: a kind of master subtracts the drive axle of band planetary structure, comprising:
One Driving axle housing, housing has bridge bag;
One left half axle and a right axle shaft, left and right half is all arranged in Driving axle housing;
One driving system assembly, is installed in bridge bag;
Described driving system assembly comprises:
One driving system housing;
One diff, is installed in driving system housing, the planetary wheel that this diff comprises left half housing, right half housing, left half axle gear, right axle shaft gear and is rotatably installed on left half housing;
Described left and right half is coaxially connected with left half axle gear, right axle shaft gear respectively;
It is characterized in that, described driving system assembly also comprises:
One planet wheel decelerator, be installed in driving system housing, the sun wheel of this planet wheel decelerator has axially extending bore, this sun wheel coaxial package is on left half axle, satellite gear is by bearing, planet axis location and installation on left half shell of diff and planetary wheel carrier, and gear ring supports through gear ring and is fixed on driving system housing;
One multi-stage speed-reducing gear mechanism, is installed in driving system housing, drives sun wheel to rotate.
Described multi-stage speed-reducing gear mechanism comprises axle drive shaft, driving gear, driven gear, transmission shaft and bevel driven, transmission shaft one end is shaped with spiral bevel driving gear, axle drive shaft and transmission shaft are arranged in parallel, driving gear is coaxially fixed on axle drive shaft, driven gear is coaxially fixed on transmission shaft, and driving gear engages with driven gear; Bevel driven is coaxially fixedly connected with sun wheel, and spiral bevel driving gear engages with bevel driven.
Described axle drive shaft one end is shaped with input flange.
Described transmission shaft and left half axle are arranged vertically mutually.
Described axle drive shaft is set with hand brake disc, and is furnished with hand braking pincers.
Described Driving axle housing two ends are provided with oil-immersed multi-disk brake.
The invention has the beneficial effects as follows: 1, driving system of the present invention is by rationally adopting three grades of decelerations (multi-stage speed-reducing gear mechanism and planet wheel decelerator), reasonable distribution transmitting ratio, rational structure design, drive system structure in bridge not only can be made compact, vertical, the horizontal space size that take greatly reduce, comparatively foot bridge inclusion amasss, and the volume of change speed gear box can be made to effectively reduce, the general layout of complete machine of being more convenient for; 2, bridge bag profile of the present invention obviously reduces, and the ground Clearance of complete machine effectively increases, and crossing ability effectively improves; 3, generally all adopt with the drive axle of hub reduction and left and rightly take turns each a set of planetary reduction gear, the present invention is arranged in the end of driving system differential function, only uses a set of planetary reduction gear in the invention, can effectively reduce costs and total weight; 4, the scheme that the present invention adopts driving, parking function is separated, service brake oil-immersed multi-disk brake, stopping brake caliper disc, have from minimizing environment factor on the impact of braking effect, deceleration and stopping performance is stablized, safe and reliable, explosion-proof, long service life, complete machine traveling comfort are good, energy-saving and environmental protection, noise are little, safeguard the plurality of advantages such as simple and substantially non-maintaining.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Fig. 2 is for illustration of external structure schematic diagram of the present invention.
Fig. 3 is for illustration of cutaway view of the present invention.
Fig. 4 is the external structure schematic diagram for illustration of driving system in the present invention.
Fig. 5, Fig. 6 are the cutaway view for illustration of driving system in the present invention.
Detailed description of the invention
As shown in Figure 2 and Figure 3, the present embodiment comprises Driving axle housing 1, left half axle 2, right axle shaft 3 and driving system assembly, wherein Driving axle housing 1 has cylindrical bridge bag 101.In this example, driving system assembly is installed in bridge bag 101, and left and right half is all arranged in the Driving axle housing 1 of driving system assembly both sides.
As shown in Fig. 4 ~ Fig. 6, in this example, driving system assembly comprises: driving system housing 7, and is installed on diff 4, planet wheel decelerator 6 and the multi-stage speed-reducing gear mechanism in driving system housing 7.
Wherein diff 4 planetary wheel 405 that comprises left half housing 401, right half housing 402, left half axle gear 403, right axle shaft gear 404 and be rotatably installed on left half housing 401.Left half axle gear 403 and right axle shaft gear 404 are coaxially connected and fixed with left half axle 2 and right axle shaft 3 respectively, and left and right half gear and left and right half, respectively by spline joint, drive left and right wheels.
Planet wheel decelerator 6 is made up of sun wheel 601, satellite gear 602, gear ring 603 and planetary wheel carrier 604, sun wheel 601 has axially extending bore (can pass through for left half axle 2 in this through hole), sun wheel 601 coaxial package is on left half axle 2, satellite gear 602 passes on left bearing, planet axis location and installation on planetary wheel carrier 604, this planetary wheel carrier is placed on left half axle 2, be fixed on left half shell 401 of diff by bearing, planet axis on the right side of satellite gear 602, gear ring 603 is coaxial with sun wheel 601, supports 8 be fixed on driving system housing 7 through gear ring.
Multi-stage speed-reducing gear mechanism rotates for driving sun wheel 601, axle drive shaft 9 (outer end is shaped with input flange 901), driving gear 10, driven gear 11, transmission shaft 12 (one end is shaped with spiral bevel driving gear 14) and bevel driven 13, wherein transmission shaft 12 vertical left semiaxis 2 is arranged, transmission shaft 12 is parallel with axle drive shaft 9.Driving gear 10 is coaxially fixed on axle drive shaft 9, and driven gear 11 is coaxially fixed on transmission shaft 12, and driving gear 10 engages with driven gear 11, and driven gear 11 to be tightened with flange face jam nut 18 after adjusting to the right place and is fixed on transmission shaft 12; Bevel driven 13 is coaxially fixed in sun wheel 601, spiral bevel driving gear 14 on transmission shaft 12 engages with bevel driven 13, adjustment bevel driven adjusting nut 19, in order to adjust the back lash of bevel driven 13 and spiral bevel driving gear 14.
In the present embodiment, axle drive shaft 9 drives transmission shaft 12 through driving gear 10, driven gear 11, transmission shaft 12 drives sun wheel 601 through spiral bevel driving gear 14, bevel driven 13, sun wheel 601 drives a left side half housing 401 of diff 4 by satellite gear 602, thus drives left and right half through planetary wheel 405, left half axle gear 403, right axle shaft gear 404.
On axle drive shaft 9 outer end, be set with hand brake disc 15 in the present embodiment, and be furnished with hand braking pincers 16, be arranged in the input end of bridge, lock torque is little, safe and reliable.Be provided with oil-immersed multi-disk brake 17 at Driving axle housing 1 two ends, oil-immersed multi-disk brake 17 is totally enclosed, wet type, multi-disc brake, adopts commercially available drg.
In this example, Driving axle housing 1 is fixedly connected with door frame, vehicle frame (not shown) respectively by bearing shell, bolt with the housing of oil-immersed multi-disk brake 17, from the load of door frame, vehicle frame by the left and right bearing system of the all-in-one-piece that is mutually permanently connected, last by attachment bolt, rim nut on wheel hub with wheel rim to be fixedly connected with mode, pass to left and right driving tire, realize the balance of whole bridge load.
Claims (6)
1. master subtracts a drive axle for band planetary structure, comprising:
One Driving axle housing (1), housing has bridge bag (101);
One left half axle (2) and a right axle shaft (3), left and right half is all arranged in Driving axle housing (1);
One driving system assembly, is installed in bridge bag (101);
Described driving system assembly comprises:
One driving system housing (7);
One diff (4), be installed in driving system housing (7), the planetary wheel (405) that this diff comprises left half housing (401), right half housing (402), left half axle gear (403), right axle shaft gear (404) and is rotatably installed on left half housing (401);
Described left and right half is coaxially connected with left half axle gear (403), right axle shaft gear (404) respectively;
It is characterized in that, described driving system assembly also comprises:
One planet wheel decelerator (6), be installed in driving system housing (7), the sun wheel (601) of this planet wheel decelerator has axially extending bore, this sun wheel coaxial package is on left half axle (2), satellite gear (602) is by bearing and planet axis location and installation on left half shell (401) of diff and planetary wheel carrier (604), and gear ring (603) is fixed on driving system housing (7) through gear ring support (8);
One multi-stage speed-reducing gear mechanism, is installed in driving system housing (7), drives sun wheel (601) to rotate.
2. master according to claim 1 subtracts the drive axle of band planetary structure, it is characterized in that: described multi-stage speed-reducing gear mechanism comprises axle drive shaft (9), driving gear (10), driven gear (11), transmission shaft (12) and bevel driven (13), transmission shaft (12) one end is shaped with spiral bevel driving gear (14), axle drive shaft (9) and transmission shaft (12) are arranged in parallel, driving gear (10) is coaxially fixed on axle drive shaft (9), driven gear (11) is coaxially fixed on transmission shaft (12), driving gear (10) engages with driven gear (11), bevel driven (13) is coaxially fixedly connected with sun wheel (601), and spiral bevel driving gear (14) engages with bevel driven (13).
3. master according to claim 2 subtracts the drive axle of band planetary structure, it is characterized in that: described axle drive shaft (9) one end is shaped with input flange (901).
4. master according to claim 2 subtracts the drive axle of band planetary structure, it is characterized in that: described transmission shaft (12) and left half axle (2) are arranged vertically mutually.
5. the master according to Claims 1 to 4 any one subtracts the drive axle of band planetary structure, it is characterized in that: described axle drive shaft (9) is set with hand brake disc (15), and is furnished with hand braking pincers (16).
6. the master according to claim 5 any one subtracts the drive axle of band planetary structure, it is characterized in that: described Driving axle housing (1) two ends are provided with oil-immersed multi-disk brake (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581519.3A CN104354591A (en) | 2014-10-27 | 2014-10-27 | Drive axle with main speed reducer with planetary structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581519.3A CN104354591A (en) | 2014-10-27 | 2014-10-27 | Drive axle with main speed reducer with planetary structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104354591A true CN104354591A (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410581519.3A Pending CN104354591A (en) | 2014-10-27 | 2014-10-27 | Drive axle with main speed reducer with planetary structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104354591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541822A (en) * | 2015-09-21 | 2017-03-29 | 阿文美驰技术有限责任公司 | Wheel side balancing stand vehicle-bridge system |
| CN107989981A (en) * | 2017-12-05 | 2018-05-04 | 杭叉集团股份有限公司 | Differential lock operating device and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100687300B1 (en) * | 2005-02-25 | 2007-02-27 | 우영유압주식회사 | Compact Transmission Preventing A Vehicle From Moving Backward On A Slope |
| JP2007237957A (en) * | 2006-03-09 | 2007-09-20 | Komatsu Ltd | Power transmission for forklift |
| CN101125528A (en) * | 2007-09-21 | 2008-02-20 | 辽宁曙光汽车集团股份有限公司 | Speed changing driving device for special four-wheel offroad vehicles |
| JP2009214709A (en) * | 2008-03-11 | 2009-09-24 | Mazda Motor Corp | Power transmission device for vehicle |
| CN101947917A (en) * | 2010-09-27 | 2011-01-19 | 赵永胜 | Transaxle of mining vehicle |
| CN203005086U (en) * | 2012-12-28 | 2013-06-19 | 辽宁曙光汽车集团股份有限公司 | Electric car coaxial direct connection type drive axle assembly |
| CN204210310U (en) * | 2014-10-27 | 2015-03-18 | 杭州杭叉桥箱有限公司 | The main drive axle subtracting band planetary structure |
-
2014
- 2014-10-27 CN CN201410581519.3A patent/CN104354591A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100687300B1 (en) * | 2005-02-25 | 2007-02-27 | 우영유압주식회사 | Compact Transmission Preventing A Vehicle From Moving Backward On A Slope |
| JP2007237957A (en) * | 2006-03-09 | 2007-09-20 | Komatsu Ltd | Power transmission for forklift |
| CN101125528A (en) * | 2007-09-21 | 2008-02-20 | 辽宁曙光汽车集团股份有限公司 | Speed changing driving device for special four-wheel offroad vehicles |
| JP2009214709A (en) * | 2008-03-11 | 2009-09-24 | Mazda Motor Corp | Power transmission device for vehicle |
| CN101947917A (en) * | 2010-09-27 | 2011-01-19 | 赵永胜 | Transaxle of mining vehicle |
| CN203005086U (en) * | 2012-12-28 | 2013-06-19 | 辽宁曙光汽车集团股份有限公司 | Electric car coaxial direct connection type drive axle assembly |
| CN204210310U (en) * | 2014-10-27 | 2015-03-18 | 杭州杭叉桥箱有限公司 | The main drive axle subtracting band planetary structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541822A (en) * | 2015-09-21 | 2017-03-29 | 阿文美驰技术有限责任公司 | Wheel side balancing stand vehicle-bridge system |
| CN106541822B (en) * | 2015-09-21 | 2019-03-22 | 阿文美驰技术有限责任公司 | Take turns side balancing stand vehicle-bridge system |
| CN107989981A (en) * | 2017-12-05 | 2018-05-04 | 杭叉集团股份有限公司 | Differential lock operating device and vehicle |
| CN107989981B (en) * | 2017-12-05 | 2023-07-18 | 杭叉集团股份有限公司 | Differential lock operating device and vehicle |
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Application publication date: 20150218 |
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