CN2790834Y - Engineering mechanic driving bridge - Google Patents
Engineering mechanic driving bridge Download PDFInfo
- Publication number
- CN2790834Y CN2790834Y CN 200520082685 CN200520082685U CN2790834Y CN 2790834 Y CN2790834 Y CN 2790834Y CN 200520082685 CN200520082685 CN 200520082685 CN 200520082685 U CN200520082685 U CN 200520082685U CN 2790834 Y CN2790834 Y CN 2790834Y
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- planetary
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- hub
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Abstract
The utility model discloses a driving bridge of an engineering machine, which comprises a bridge shell body, a main transmission mechanism, a half shaft and a speed reducing mechanism of a wheel rim, wherein the speed reducing mechanism of the wheel rim comprises a wheel shell, a planet wheel frame, planet gears, a sun wheel, an inner gear ring, a supporting frame of the gear ring; the four planet gears are engaged between the sun wheel and the inner gear ring; the planet wheel frame is fixed on the outer end of the wheel shell through 32 or 36 M12 bolts; the inner gear ring is connected with a tooth shape which comprises an involute on the connecting position of the supporting frame of the gear ring. After the structure is adopted, users in the process of using, when the speed reducing mechanism of the wheel rim is broken, and the speed reducing mechanism of the wheel rim needs repairing for maintenance, a mechanism of the planet wheel frame can be integrally taken out without dismounting a tyre; therefore, labor strength is reduced, and work efficiency is improved; simultaneously, the tooth shape of the inner gear ring and the supporting frame of the gear ring is connected with a proper gap; the floating design of the inner gear ring that the inner gear ring is simultaneously engaged with the four planet gears in transmission is realized, and the uniform load of the inner gear ring and the four planet gears is ensured.
Description
Technical field
The utility model relates to a kind of engineering mechanical device, particularly relates to a kind of improvement of hub reduction mechanism of construction machinery and equipment drive axle.
Background technology
The construction machinery and equipment drive axle belongs to a kind of driving device, be positioned at the end of transmission system, the moment of torsion that is sent by driving engine is to pass to drive wheels at last through it, thereby realizes the rotation of wheel, and it mainly includes main reduction gear, diff, semiaxis, driving axle housing, wheel reduction gear.Main reduction gear generally is used for changing transmission direction, and rev down increases moment of torsion, guarantees that vehicle has enough propulsive efforts and suitable speed; Diff can make the both sides wheel rotate with different cireular frequencys in order to connect left and right half, and transfer torque guarantees the normal rolling of wheel simultaneously; Semiaxis is passed to wheel reduction gear again with the moment of torsion that diff transmits, and wheel reduction gear drives wheel revolutions, promotes vehicle '; Driving axle housing also in the process of vehicle ', braking, is bearing multiple stress such as bending, distortion except being used to install the supporting member of main reduction gear, diff, semiaxis, wheel reduction gear and vehicle frame, wheel.
The construction machinery and equipment drive axle is a kind of drive axle that is used for construction machinery and equipment, as the drive axle on the loader, the construction machinery and equipment drive axle is because its requirement to work transfer torque, work speed and operating mode, its general main gear and hub reduction of adopting is realized, main passive screw bevel gear transmission is adopted in the deceleration of main gear, wheel-hub drive since transmission to bear moment of torsion big, generally adopt the planetary reduction gear transmission.The wheel limit planetary gear speed reducing mechanism of existing construction machinery and equipment drive axle adopts the fixing structure of three planetary wheels and internally toothed annulus usually, it is joining in the wheel rim connection place by several rim bolts that planetary wheel carrier connects with hub, when this maintains with regard to making the user in use need repairing if take turns limit planetary mechanism et out of order, must be with tire dismantling, especially in the use of building site, can bring beyond thought trouble to the user, both waste user's time, influence the duration process again.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of construction machinery and equipment drive axle is provided, and by the improvement to its hub reduction mechanism, increases planetary wheel quantity and adopts the internally toothed annulus float design that wheel limit load-carrying capacity is increased; When making the user in use need repairing maintenance simultaneously, need not just the whole taking-up of planetary wheel carrier mechanism can be greatly reduced labour intensity by remove a tyre, improve work efficiency if take turns limit planetary mechanism et out of order.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of construction machinery and equipment drive axle, it comprises axle housing body, main drive gear, semiaxis, hub reduction mechanism, and semiaxis is installed in the axle housing body and is connected between main drive gear and the hub reduction mechanism; Hub reduction mechanism includes hub, planetary wheel carrier, planetary wheel, sun wheel, internally toothed annulus, gear ring support; Sun wheel is installed in the outer end of semiaxis; Four planetary wheels are installed on the planetary wheel carrier by axle, needle roller, and mesh with sun wheel and internally toothed annulus simultaneously; Planetary wheel carrier is bolted to the outer end of hub by several; Hub is assemblied on the axle housing body by bearing; Internally toothed annulus is contained on the gear ring support, and the gear ring support connects by the spline fixed phase with the axle housing body; Described modulus of taking turns each gear member in the planetary gear speed reducing mechanism of limit is 5.5mm, and the planetary number of teeth is 22, and the number of teeth of sun wheel is 15, and the number of teeth of internally toothed annulus is 61; The width between centers of described planetary transmission is 105mm, and the transmitting ratio of epicyclic transmission mechanism is 5.0667.
Described planetary wheel carrier is bolted to the outer end of hub by several well-distributeds.
Described planetary wheel carrier is bolted to the outer end of hub by 32 or 36 well-distributed M12.
Described planetary wheel number is four.
The place of linking of described internally toothed annulus and gear ring support adopts the profile of tooth of involute to join, and the number of teeth of connection is 61 teeth.
The described limit planetary gear speed reducing mechanism of taking turns, the profile of tooth of its internally toothed annulus and gear ring support is connected with suitable gap, and realizing the float design of internally toothed annulus in the transmission, internally toothed annulus simultaneously and four planetary wheels engagements has guaranteed that internally toothed annulus and four are planetary all to carry.
The modulus of described internally toothed annulus is 5.5mm, and the number of teeth is 61, and effective facewidth is 62.5mm; Planetary modulus is 5.5mm, and the number of teeth is 22, and effective facewidth is 62.5mm; The modulus of sun wheel is 5.5mm, and the number of teeth is 15, and the facewidth is 64mm.
The width between centers of described planetary wheel and sun wheel is 105mm, and promptly the distribution circle radius in rectangular distribution four holes is 105mm on the planetary wheel carrier.
During use, when vehicle motor was worked, driving engine reached the drive axle input end by turbine transformer, change speed gear box with power, and the drive axle main drive gear is given semiaxis with transmission of power, and semiaxis is rotated in the axle housing body; Semiaxis has driven the sun wheel that is installed in its outer end and has rotated after rotating; After sun wheel rotates, driven four planetary wheels that are meshed with it again and rotated; Four planetary wheels are to be engaged between sun wheel and the internally toothed annulus, and then four planetary wheels are in its rotating shaft rotation, also along the orbit rotation that forms between sun wheel and the internally toothed annulus; Four planetary rotating shafts are to be fixed on the planetary wheel carrier, because internally toothed annulus fixes with respect to the axle housing body, then during orbit rotation between sun wheel and internally toothed annulus of four planetary wheels, have also driven the rotation of planetary wheel carrier; The number of turns that planetary wheel carrier rotates is consistent with the rotation number of turns that planetary rotating shaft centers on the semiaxis axle center; Because between planetary wheel carrier and the hub is Joint, planetary wheel carrier has driven the rotation of hub again after rotating; Hub is to link by bearing and axle housing body, is to rotate around the axle housing body by bearing when then hub rotates; Just driven after hub rotates on it affixed tyre rotation, thereby realized the purpose of the power driven wheel rolling of driving engine, make vehicle enter motoring condition.
The beneficial effects of the utility model are, owing to adopted the internally toothed annulus float design, that realizes wheel limit planetary wheel and internally toothed annulus all carries transmission, the planetary wheel number of wheel limit planetary gear speed reducing mechanism is increased to four by original three, the reliability of wheel reduction gear, life-span improves a lot, and the modulus of the planetary mechanism gear that adopts is 5.5mm, the planetary number of teeth is 22, the number of teeth of sun wheel is 15, the number of teeth of internally toothed annulus is 61, the width between centers of planetary transmission is 105mm, the transmitting ratio of planetary transmission is 5.0667, and adopt 32 or 36 M12 bolts to realize fixing between planetary wheel carrier and the hub, make the user in use if wheel limit planetary mechanism et out of order and when maintenance of needing repairing, need not remove a tyre, only need pull down 32 or 36 M12 bolts that are connected between planetary wheel carrier and the hub just can be with the whole taking-up of planetary wheel carrier mechanism, greatly reduce labour intensity, improved work efficiency; Because the internally toothed annulus that adopts is to adopt splined by gear ring support and axle housing body, and internally toothed annulus is to play transfer torque by involute gear profile with connecting of gear ring support, this structure makes the existence of gear back lash between internally toothed annulus and the gear ring support, formed the slight clearance of internally toothed annulus and gear ring support and play the floating action of internally toothed annulus.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of construction machinery and equipment drive axle of the present utility model is not limited to embodiment.
Fig. 1 is a local structure scheme drawing of the present utility model;
Fig. 2 is the cutaway view along A-A line among Fig. 1.
The specific embodiment
Shown in accompanying drawing, a kind of construction machinery and equipment drive axle of the present utility model, it comprises axle housing body 9, main drive gear, semiaxis 10, hub reduction mechanism, and semiaxis 10 is installed in the axle housing body 9 and is connected between main drive gear and the hub reduction mechanism, and semiaxis 10 can rotate in axle housing body 9; Hub reduction mechanism includes hub 1, planetary wheel carrier 2, planetary wheel 3, sun wheel 4, internally toothed annulus 5, gear ring support 6; Sun wheel 4 is installed in the outer end of semiaxis 10, and sun wheel 4 is rotated with the rotation of semiaxis 10; Four planetary wheels 3 are engaged between sun wheel 4 and the internally toothed annulus 5, and the rotating shaft 31 of four planetary wheels 3 is fixedly connected on planetary wheel carrier 2, and planetary wheel 3 can rotate around its rotating shaft 31; Planetary wheel carrier 2 is fixed on the outer end of hub 1 by several bolt 7; Hub 1 links by bearing 11,12 and axle housing body 9, and hub 1 can rotate around axle housing body 9; Internally toothed annulus 5 is contained on the gear ring support 6, and gear ring support 6 connects with axle housing body 9 fixed phase, such as fixing by spline etc.
Wherein, the modulus of planetary wheel 3 is that 5.5mm, the number of teeth are 22; The modulus of sun wheel 4 is that 5.5mm, the number of teeth are 15, and the modulus of internally toothed annulus 5 is that 5.5mm, the number of teeth are 61; The width between centers of planetary transmission is 105mm, and the transmitting ratio of planetary transmission is 5.0667; Four planetary wheels 3 are that the shape that is evenly distributed is engaged between sun wheel 4 and the internally toothed annulus 5; Planetary wheel carrier 2 is the outer ends that are fixed on hub 1 by 32 M12 bolts 7 that are evenly distributed; The profile of tooth that the place of linking of internally toothed annulus 5 and gear ring support 6 includes involute is joined; Brake disc 8 is to be fixed on the hub 1 by bolt 13.
During use, when vehicle motor was worked, driving engine was given semiaxis 10 by main drive gear with transmission of power, and semiaxis 10 is rotated in axle housing body 9; After semiaxis 10 rotates, driven the sun wheel 4 that is installed in its outer end and rotated; After sun wheel 4 rotates, driven four planetary wheels 3 that are meshed with it again and rotated; Four planetary wheels 3 are to be engaged between sun wheel 4 and the internally toothed annulus 5, and then four planetary wheels 3 are in its rotating shaft 31 rotations, also along the orbit rotation that forms between sun wheel 4 and the internally toothed annulus 5; The rotating shaft 31 of four planetary wheels 3 is to be fixed on the planetary wheel carrier 2, because internally toothed annulus 5 is fixing with respect to axle housing body 9, then during orbit rotation between sun wheel 4 and internally toothed annulus 5 of four planetary wheels 3, has also driven the rotation of planetary wheel carrier 2; The number of turns that planetary wheel carrier 2 rotates is consistent with the rotation number of turns that the rotating shaft of planetary wheel 3 31 centers on the semiaxis axle center; Because between planetary wheel carrier 2 and the hub 1 is Joint, after planetary wheel carrier 2 rotates, driven the rotation of hub 1 again; Hub 1 is to link by bearing 11,12 and axle housing body 9, is to rotate around axle housing body 9 by bearing 11,12 when then hub 1 rotates; Just driven after hub 1 rotates on it affixed tyre rotation, thereby realized the purpose of the power driven wheel rolling of driving engine, make vehicle enter motoring condition.
Owing to be to have adopted four planetary wheels 3 to realize hub reduction, and the modulus of the planetary mechanism gear that adopts is 5.5mm, the number of teeth of planetary wheel 3 is 22, the number of teeth of sun wheel 4 is 15, the number of teeth of internally toothed annulus 5 is 61, the width between centers of planetary transmission is 105mm, the transmitting ratio of planetary transmission is 5.0667, and adopt 32 M12 bolts 7 to realize fixing between planetary wheel carrier 2 and the hub 1, make when the user in use needs repairing maintenance if take turns limit planetary mechanism et out of order, need not remove a tyre, only need pull down 32 M12 bolts 7 that are connected between planetary wheel carrier 2 and the hub 1 just can be with the whole taking-up of planetary wheel carrier mechanism, greatly reduce labour intensity, improved work efficiency.Simultaneously because the internally toothed annulus 5 that adopts is to adopt splined by gear ring support 6 and axle housing body 9, and internally toothed annulus 5 is to play transfer torque by involute gear profile with connecting of gear ring support 6, this structure makes the existence of gear back lash between internally toothed annulus 5 and the gear ring support 6, form internally toothed annulus 5 plays internally toothed annulus 5 with the slight clearance of gear ring support 6 floating action, guaranteed all carrying of internally toothed annulus 5 and four planetary wheels 3.
Claims (7)
1. construction machinery and equipment drive axle, it comprises axle housing body, main drive gear, semiaxis, hub reduction mechanism, semiaxis is installed in the axle housing body and is connected between main drive gear and the hub reduction mechanism; It is characterized in that: hub reduction mechanism includes hub, planetary wheel carrier, planetary wheel, sun wheel, internally toothed annulus, gear ring support; Sun wheel is installed in the outer end of semiaxis; Four planetary wheels are installed on the planetary wheel carrier by axle, needle roller, and mesh with sun wheel and internally toothed annulus simultaneously; Planetary wheel carrier is bolted to the outer end of hub by several; Hub is assemblied on the axle housing body by bearing; Internally toothed annulus is contained on the gear ring support, and the gear ring support connects by the spline fixed phase with the axle housing body; The modulus of each gear member is 5.5mm in the described planetary gear speed reducing mechanism, and the planetary number of teeth is 22, and the number of teeth of sun wheel is 15, and the number of teeth of internally toothed annulus is 61; The width between centers of described planetary transmission is 105mm, and the transmitting ratio of epicyclic transmission mechanism is 5.0667.
2. a kind of construction machinery and equipment drive axle according to claim 1 is characterized in that: described planetary wheel carrier is bolted to the outer end of hub by several well-distributeds.
3. a kind of construction machinery and equipment drive axle according to claim 1 is characterized in that: described planetary wheel carrier is bolted to the outer end of hub by 32 or 36 well-distributed M12.
4. a kind of construction machinery and equipment drive axle according to claim 1 is characterized in that: described planetary wheel number is four, four planetary wheels shape that is evenly distributed.
5. a kind of construction machinery and equipment drive axle according to claim 1 is characterized in that: the place of linking of described internally toothed annulus and gear ring support adopts the profile of tooth of involute to join and is provided with suitable gap, and the number of teeth of its connection is 61 teeth.
6. a kind of construction machinery and equipment drive axle according to claim 1 is characterized in that: the modulus of described internally toothed annulus is 5.5mm, and the number of teeth is 61, and effective facewidth is 62.5mm; Planetary modulus is 5.5mm, and the number of teeth is 22, and effective facewidth is 62.5mm; The modulus of sun wheel is 5.5mm, and the number of teeth is 15, and the facewidth is 64mm.
7. a kind of construction machinery and equipment drive axle according to claim 1 is characterized in that: the width between centers of described planetary wheel and sun wheel is 105mm; Be used on the described planetary wheel carrier planetary wheel is installed and the distribution circle radius in four holes of rectangular distribution setting is 105mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520082685 CN2790834Y (en) | 2005-04-20 | 2005-04-20 | Engineering mechanic driving bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520082685 CN2790834Y (en) | 2005-04-20 | 2005-04-20 | Engineering mechanic driving bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2790834Y true CN2790834Y (en) | 2006-06-28 |
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ID=36806912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520082685 Expired - Fee Related CN2790834Y (en) | 2005-04-20 | 2005-04-20 | Engineering mechanic driving bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2790834Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887060A (en) * | 2012-10-26 | 2013-01-23 | 泰安九洲金城机械有限公司 | Drive axle of articulated tractor |
| WO2013023369A1 (en) * | 2011-08-17 | 2013-02-21 | 长沙中联重工科技发展股份有限公司 | Wheel-side reducer frame, wheel-side reducer, and vehicle |
| CN103043565A (en) * | 2013-01-15 | 2013-04-17 | 厦门金华厦工程机械有限公司 | Telescopic handler |
| CN107776398A (en) * | 2016-08-26 | 2018-03-09 | 武汉枭龙汽车技术有限公司 | The hub reduction transfer of automobile front-rear axle mechanical transfer |
| CN109869447A (en) * | 2019-03-25 | 2019-06-11 | 中国航发湖南动力机械研究所 | Planetary gear system |
-
2005
- 2005-04-20 CN CN 200520082685 patent/CN2790834Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013023369A1 (en) * | 2011-08-17 | 2013-02-21 | 长沙中联重工科技发展股份有限公司 | Wheel-side reducer frame, wheel-side reducer, and vehicle |
| CN102887060A (en) * | 2012-10-26 | 2013-01-23 | 泰安九洲金城机械有限公司 | Drive axle of articulated tractor |
| CN103043565A (en) * | 2013-01-15 | 2013-04-17 | 厦门金华厦工程机械有限公司 | Telescopic handler |
| CN107776398A (en) * | 2016-08-26 | 2018-03-09 | 武汉枭龙汽车技术有限公司 | The hub reduction transfer of automobile front-rear axle mechanical transfer |
| CN109869447A (en) * | 2019-03-25 | 2019-06-11 | 中国航发湖南动力机械研究所 | Planetary gear system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |