CN205381141U - Wheel limit and have transaxle on its round of limit with function is turned round to braking and biography - Google Patents
Wheel limit and have transaxle on its round of limit with function is turned round to braking and biography Download PDFInfo
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- CN205381141U CN205381141U CN201521031807.8U CN201521031807U CN205381141U CN 205381141 U CN205381141 U CN 205381141U CN 201521031807 U CN201521031807 U CN 201521031807U CN 205381141 U CN205381141 U CN 205381141U
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- output shaft
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- drag housing
- limit
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Abstract
The utility model discloses a wheel limit and have transaxle on its round of limit with function is turned round to braking and biography, including drag housing, output shaft, transition disc, initiative friction disc and driven friction disc. The drag housing passes through bearing and floating oil seal ring and output shaft cooperation, transition disc and output shaft are through the splined connection, the initiative friction disc arranges in proper order with driven friction disc that the initiative friction disc is as an organic whole through the splined connection with transition disc, driven friction disc and drag housing cooperation, the connecting seat passes through bolted connection with the drag housing, and the connecting seat passes through the bearing to be fixed on the output shaft, the sprocket passes through the internal spline and is connected with the external splines of output shaft to it is fixed by lock nut. The ingenious utilization of wet brake wheel limit inner space, simple structure to braking rotational speed lower casing, greatly reduced the braking generate heat, the transaxle reliability improves.
Description
Technical field
This utility model relates to a kind of wheel limit with braking and torsion pass function and has its drive axle taking turns limit.
Background technology
At present, the applying working condition of major part engineering machinery is relatively severe, frequently carries out the conversion operation such as gear and forward-reverse in the course of the work so that brakes loss is serious and can produce amount of heat；The weight of wheel limit all parts, volume are relatively large, not easily process, and maintainability is poor, particularly in remote districts, lacks specific purpose tool, disassembles bigger with maintenance difficulty.Wet brake, compared to dry brake, has the advantages such as good heat dissipation effect, service life are longer, brake safe is reliable, is widely used in existing engineering machinery.Several larger part on conventional wheel limit are divided into multiple small parts and assemble by assembled wheel limit, it is easy to processing, maintainability is better.
Wet braking, in enclosure interior, utilizes friction plate to compress braking, and its braking moment is big, adapts to various complex working condition, and frequency of maintenance is low.Wet-type braking driving axle brake fade is because in seal failure, hydraulic oil letting out etc. causing more, and seal failure is because brake structure complexity more, oil duct is more causes that sealing place number is more in braking, it is greatly increased the probability of seal failure, the reasons such as sealing means is unreasonable cause, and therefore the exploitation of brake structure becomes particularly important.
Summary of the invention
For above-mentioned prior art Problems existing, this utility model provides a kind of wheel limit with braking and torsion pass function, simple in construction, characteristics of compact layout, and sealing reliability is high.
To achieve these goals, the technical solution adopted in the utility model is: a kind of wet type wheel limit with braking and torsion pass function, including drag housing, output shaft, transition disc, active friction plate and driven friction disk.
Drag housing is coordinated with output shaft by bearing and float grease seal ring；Transition disc is connected by spline with output shaft；Active friction plate and driven friction disk are sequentially arranged, and active friction plate and transition disc are connected as one by spline；Driven friction disk coordinates with drag housing；Connect seat to be bolted with drag housing, connect seat and be fixed on output shaft by bearing；Sprocket wheel is connected with the external splines of output shaft by internal spline, and the nut that is locked is fixed.
Piston seal adopts the sealing means of 2 y-type seal rings, y-type seal ring and be assemblied on piston, and piston is contained on drag housing, and one of them y-type seal ring is against piston end surface, and another y-type seal ring is against connecting seat end face.
Six semicircle orifices of drag housing internal spline are respectively provided with Rectangular Spring.
Drag housing has spiro pluging hole, can be used for detecting friction disc wear situation, in order to more renewal of facing renewal, plug screw and sealing gasket are loaded on spiro pluging hole in time.
The internal spline of transition disc is connected with the external splines of output shaft, and passes through retainer ring spacing.
Connect seat with drag housing by O, bolt seal, and be limited on output shaft by bearing and sealing shroud.
Output shaft adopts cantilevered support structure, and sprocket wheel is offset to axle head, bearing on axle journal adopt two can pretension to strengthen the taper roll bearing of support stiffness.
Connect seat and drag housing connects and composes a combined oil cylinder structure, reduce wheel limit volume.
This utility model also provides for a kind of drive axle, has above-mentioned wet type wheel limit.
This drive axle is connected as a single entity with stage casing hub reduction gear assembly by connecting seat by main gearbox assembly, constitute the main part of drive axle, tandem-driving bogie assembly is connected with stage casing hub reduction gear assembly by pivoting support, wet type wheel limit is assemblied on tandem-driving bogie assembly, constitute driving axle for land leveller, this driving axis has 4 wet type wheel limits.
Described main gearbox assembly includes the main housing that subtracts, differential mechanism, actively helical gear, driven helical gear, connection dish, adjusting nut；
Stage casing hub reduction gear includes planetary reduction gear housing, planetary wheel carrier, planetary gear, ring gear assembly, semiaxis, double strand chain wheel shaft；Tandem-driving bogie assembly includes tandem-driving bogie, chain, double chain wheel.
This utility model drive axle rationally arranges main gearbox assembly and the relevant parameter of each gear of differential assembly, and driving torque is big, and transmission is relatively reliable；Power transmission shaft is attached thereto by the radial direction keyway on input flange end face bottom main gearbox assembly, it is possible to plays reduction of speed better and increases the effect turned round；In addition, the dental formula differential of uniqueness has been prepared at differential assembly, compared with other type, not only can ensure that two side drive wheel rotate with different rotating speeds, and when skidding in side, freely moment of torsion can all be reached opposite side, it is not necessary to the artificially company's of setting lock operation device, be beneficial to very much land leveller operation and travel；The ring gear bracing frame of Wheel-side planetary reducer adopts supporting baffle locking positioning, and simple in construction, cost is low；Tandem-driving bogie adopts pivoting support to couple with drive axle stage casing, improves stability and the reliability of drive axle；Rim brake adopts closes overall wet brake, and brake area is big, and good cooling results, braking capacity is big.This utility model is applicable to middle series driving axle for land leveller.
Wet brake is ingenious utilizes wheel inner space, limit, simple in construction, and the housing that braked speed is relatively low, greatly reduces braking heating, and drive axle reliability improves；Having spiro pluging hole on drag housing, can detect rotating plate and driven disc abrasion condition at any time, change rotating plate and driven disc in time, it is ensured that vehicle driving safety, maintainability is good, solves the problem that remote districts cannot be keeped in repair without specific purpose tool.
Accompanying drawing explanation
Fig. 1 is wet type of the present utility model wheel limit structural representation
Fig. 2 is drive axle structure schematic diagram of the present utility model.
nullIn figure: 1、Rim nut，2、Rim bolt，3、Bearing I，4、Back-up ring，5、Plug screw，6、Sealing gasket，7、Bolt I，8、Packing ring，9、Y-type seal ring I，10、O I，11、Bearing I I,12、Oil sealing，13、Sealing shroud,14、Locking nut，15、Tandem-driving bogie，16、Bolt II，17、Sprocket wheel，18、Output shaft，19、O II，20、Transition disc，21、O III22、Connect seat，23、Drag housing，24、Y-type seal ring II，25、Piston，26、Rectangular Spring，27、Driven friction disk，28、Active friction plate，29、Float grease seal ring，31、Connect seat，32、Main gearbox assembly，33、Stage casing hub reduction gear assembly，34、Pivoting support，35、Tandem-driving bogie assembly，36、Wet type wheel limit.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 and Fig. 2, the utility model is described in further detail.
As shown in Figure 1, wet type of the present utility model wheel includes drag housing 23, output shaft 18, transition disc 20, active friction plate 28 and driven friction disk 27,
Drag housing 23 is coordinated with output shaft 18 by bearing 3 and float grease seal ring 29；Transition disc 20 is connected by spline with output shaft 18, and active friction plate 28 and driven friction disk 27 are sequentially arranged, and active friction plate 28 and transition disc 20 are connected as one by spline；Driven friction disk 27 coordinates with drag housing 23；Connect seat 22 to be connected by bolt 7 with drag housing 23, connect seat 22 and be fixed on output shaft by bearing；Sprocket wheel 17 is connected with the external splines of output shaft 18 by internal spline, and the nut 14 that is locked is fixed.
Piston 25 seals the sealing means adopting 2 y-type seal rings, and y-type seal ring I9 and y-type seal ring II24 is assemblied on piston 25, and piston 25 is contained on drag housing 23, and wherein y-type seal ring II24 is against piston end surface, and y-type seal ring I9 is against connecting seat end face.
Six semicircle orifices of drag housing 23 internal spline are respectively provided with Rectangular Spring 26；Having spiro pluging hole on drag housing 23, plug screw 5, sealing gasket 6 fill thereon, can be used for detecting friction disc wear situation, in order to timely more renewal of facing renewal.
The internal spline of transition disc 20 is connected with the external splines of output shaft 18, and spacing by back-up ring 4.
Connect seat 22 with drag housing 23 by O, bolt seal, and be limited on output shaft 18 by bearing and sealing shroud,
Output shaft 18 adopts cantilevered support structure, sprocket wheel to be offset to axle head, axle journal is provided with bearing I and bearing I I, bearing I and bearing I I be all can pretension to strengthen the taper roll bearing of support stiffness.
Connect seat 22 and drag housing 23 connects and composes a combined oil cylinder structure, reduce wheel limit volume.
When brake structure touches on the brake, high pressure liquid force feed enters in plunger shaft along drag housing 23 oil duct, promotes piston 25 to move to the right, and piston 25 promotes spring 26 to move to the right, and active friction plate 28 and driven friction disk 27 compress, and transition disc 20 and output shaft 18 is braked；During releasing of brake, high pressure liquid force feed pressure release, under spring 26 restoring force effect, piston 25 moves to the left, homing, and active friction plate 28 and driven friction disk 27 depart from, and active friction plate 28 and transition disc 20 rotate with output shaft 18.
As shown in Figure 2, this drive axle is connected as a single entity with stage casing hub reduction gear assembly 33 by connecting seat 31 by main gearbox assembly 32, constitute the main part of drive axle, tandem-driving bogie assembly 35 is connected with stage casing hub reduction gear assembly by pivoting support 34, wet type wheel limit 36 is assemblied on tandem-driving bogie assembly, constitutes driving axle for land leveller.This drive axle has 4 wet type wheel limits.
Described drive axle by driving torque after main reducing gear reduction of speed, differential mechanism, by, in the stage casing hub reduction gear of Torque distribution to both sides, being then passed through stage casing hub reduction gear reduction of speed, reaches the reduction of speed again of the chain in tandem-driving bogie, then pass through wet type wheel limit and export wheel, drive land leveller walking.Main gearbox assembly 32 includes the main housing that subtracts, differential mechanism, actively helical gear, driven helical gear, and connection dish, adjusting nut etc. forms；Stage casing hub reduction gear 33 mainly includes planetary reduction gear housing, planetary wheel carrier, planetary gear, ring gear assembly, semiaxis, double strand chain wheel shaft etc.；Tandem-driving bogie assembly 35 mainly includes tandem-driving bogie, chain, double chain wheel etc..
This utility model drive axle rationally arranges main gearbox assembly and the relevant parameter of each gear of differential assembly, and driving torque is big, and transmission is relatively reliable；Power transmission shaft is attached thereto by the radial direction keyway on input flange end face bottom main gearbox assembly, it is possible to plays reduction of speed better and increases the effect turned round；In addition, the dental formula differential of uniqueness has been prepared at differential assembly, compared with other type, not only can ensure that two side drive wheel rotate with different rotating speeds, and when skidding in side, freely moment of torsion can all be reached opposite side, it is not necessary to the artificially company's of setting lock operation device, be beneficial to very much land leveller operation and travel；The ring gear bracing frame of Wheel-side planetary reducer adopts supporting baffle locking positioning, and simple in construction, cost is low；Tandem-driving bogie adopts pivoting support to couple with drive axle stage casing, improves stability and the reliability of drive axle；Rim brake adopts closes overall wet brake, and brake area is big, and good cooling results, braking capacity is big.This utility model is applicable to middle series driving axle for land leveller.
The utility model has the advantages that: 1. wet brake is ingenious utilizes wheel inner space, limit, simple in construction, and the housing that braked speed is relatively low, greatly reduces braking heating, and drive axle reliability improves；
2. drag housing internal spline has six semicircle orifices, ingenious utilizes inner space to fix Rectangular Spring.
3. by taking turns limit spiro pluging hole, can detecting rotating plate and driven disc abrasion condition at any time, change rotating plate and driven disc in time, it is ensured that vehicle driving safety, maintainability is good, solves the problem that remote districts cannot be keeped in repair without specific purpose tool.
4. output shaft adopts cantilevered support structure, and sprocket wheel is offset to axle head, bearing on axle journal adopt two can pretension to strengthen the taper roll bearing of support stiffness.
5. connect seat and drag housing connects and composes a combined oil cylinder structure, reduce wheel limit volume.
The above is only preferred embodiments of the present utility model; it is noted that, for those skilled in the art; under the premise without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications should also be as being considered as protection of the present utility model.
Claims (10)
1. a wheel limit with braking and torsion pass function, it is characterised in that: including drag housing, output shaft, transition disc, active friction plate and driven friction disk, drag housing is coordinated with output shaft by bearing and float grease seal ring；Transition disc is connected by spline with output shaft；Active friction plate and driven friction disk are sequentially arranged, and active friction plate and transition disc are connected as one by spline；Driven friction disk coordinates with drag housing；Connect seat to be bolted with drag housing, connect seat and be fixed on output shaft by bearing；Sprocket wheel is connected with the external splines of output shaft by internal spline, and the nut that is locked is fixed.
2. a kind of wheel limit with braking and torsion pass function according to claim 1, it is characterized in that: piston seal adopts the sealing means of 2 y-type seal rings, y-type seal ring is assemblied on piston, piston is contained on drag housing, one of them y-type seal ring is against piston end surface, and another y-type seal ring is against connecting seat end face.
3. a kind of wheel limit with braking and torsion pass function according to claim 1, it is characterised in that: six semicircle orifices of drag housing internal spline are respectively provided with Rectangular Spring.
4. a kind of wheel limit with braking and torsion pass function according to claim 1, it is characterised in that: drag housing has spiro pluging hole, plug screw and sealing gasket and is loaded on spiro pluging hole.
5. a kind of wheel limit with braking and torsion pass function according to claim 1, it is characterised in that: the internal spline of transition disc is connected with the external splines of output shaft, and passes through retainer ring spacing.
6. a kind of wheel limit with braking and torsion pass function according to claim 1, it is characterised in that: connect seat with drag housing by O, bolt seal, and be limited on output shaft by bearing and sealing shroud.
7. a kind of wheel limit with braking and torsion pass function according to claim 1, it is characterised in that: output shaft adopts cantilevered support structure, and sprocket wheel is offset to axle head, and the bearing on axle journal adopts taper roll bearing.
8. a drive axle, it is characterised in that: have and take turns limit as claimed in claim 1.
9. a kind of drive axle according to claim 8, it is characterized in that: this drive axle is connected as a single entity with stage casing hub reduction gear assembly by connecting seat by main gearbox assembly, constitute the main part of drive axle, tandem-driving bogie assembly is connected with stage casing hub reduction gear assembly by pivoting support, wet type wheel limit is assemblied on tandem-driving bogie assembly, constitute driving axle for land leveller, this driving axis has 4 wet type wheel limits.
10. a kind of drive axle according to claim 9, it is characterised in that: described main gearbox assembly includes the main housing that subtracts, differential mechanism, actively helical gear, driven helical gear, connection dish, adjusting nut；
Stage casing hub reduction gear includes planetary reduction gear housing, planetary wheel carrier, planetary gear, ring gear assembly, semiaxis, double strand chain wheel shaft；
Tandem-driving bogie assembly includes tandem-driving bogie, chain, double chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031807.8U CN205381141U (en) | 2015-12-14 | 2015-12-14 | Wheel limit and have transaxle on its round of limit with function is turned round to braking and biography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031807.8U CN205381141U (en) | 2015-12-14 | 2015-12-14 | Wheel limit and have transaxle on its round of limit with function is turned round to braking and biography |
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| Publication Number | Publication Date |
|---|---|
| CN205381141U true CN205381141U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031807.8U Active CN205381141U (en) | 2015-12-14 | 2015-12-14 | Wheel limit and have transaxle on its round of limit with function is turned round to braking and biography |
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| Country | Link |
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| CN (1) | CN205381141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416045A (en) * | 2015-12-14 | 2016-03-23 | 徐州徐工传动科技有限公司 | Wheel edge with braking and torque transmission functions and drive axle with wheel edge |
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2015
- 2015-12-14 CN CN201521031807.8U patent/CN205381141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416045A (en) * | 2015-12-14 | 2016-03-23 | 徐州徐工传动科技有限公司 | Wheel edge with braking and torque transmission functions and drive axle with wheel edge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |