CN218558456U - Wheel edge locking device for engineering machinery - Google Patents
Wheel edge locking device for engineering machinery Download PDFInfo
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- CN218558456U CN218558456U CN202223330908.8U CN202223330908U CN218558456U CN 218558456 U CN218558456 U CN 218558456U CN 202223330908 U CN202223330908 U CN 202223330908U CN 218558456 U CN218558456 U CN 218558456U
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- locking device
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Abstract
The utility model discloses a wheel locking device for engineering machinery, which comprises a half shaft, a wheel hub and a wheel end cover, wherein a bridge shaft is rotatably sleeved outside the half shaft, a locking mechanism is fixedly arranged on the bridge shaft, and the locking mechanism is used for preventing the wheel edge from loosening; the wheel-side end cover is arranged at the end part of the half shaft, and a limiting block is arranged in the wheel-side end cover and is used for adjusting the axial position of the half shaft; the wheel hub is arranged on the periphery of the half shaft and used for supporting and fixing each part of component. The locking mechanism and the limiting block act together to prevent the wheel edge from loosening, flexibly adjust the axial clearance of the wheel edge and adjust the axial position of the semi-axle.
Description
Technical Field
The utility model belongs to the technical field of the wheel limit locking technique and specifically relates to an engineering machine tool is with wheel limit locking device is related to.
Background
When the engineering machinery runs, the torque output by the engine is transmitted to the half shaft through the multi-stage speed change and the driving device, and then is transmitted to the wheel through the half shaft to push the engineering machinery to move forwards or backwards. The half shaft plays a load supporting function on the engineering machinery, the traction force, the braking force, the inclination force and the vertical force of the engineering machinery are transmitted to the half shaft, and in order to guarantee the service life of the half shaft, the damage of a bearing caused by the looseness of the bearing, insufficient pre-tightening force of the bearing, the burning of the bearing and poor sealing performance of the bearing is prevented, and the wheel side bearing locking structure which is reasonable in design is of great importance.
In an engineering machinery wheel edge device, a wheel edge locking mechanism usually locks and concentrates a gear ring bearing on a half shaft, the radial direction of the half shaft adopts the interference fit of a wheel hub, the axial direction is screwed up through a locking nut, and the outer end of the locking nut is sealed by an end cover. The locking mode has the main problem that the problem of inaccurate pre-tightening positioning is easily caused if the locking nut cannot be screwed or retreated to a proper position once during the disassembly and assembly of the locking nut; 2. the axial displacement of the wheel edge is limited by applying an axial rigid limit mode on the half shaft, so that the axial clearance cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel limit locking device for engineering machine tool solves that lock nut pretension location is inaccurate, easy not hard up, unable adjustment axial clearance's problem, and this device is including semi-axis, wheel limit end cover, wheel hub.
The locking mechanism is used for preventing the wheel rim from loosening;
the wheel edge end cover is arranged at the end part of the half shaft, and a limiting block is arranged in the wheel edge end cover and used for adjusting the axial position of the half shaft;
and the wheel hub is arranged on the periphery of the half shaft and is used for supporting and fixing each part of component.
This application prevents through locking mechanism that the wheel limit is not hard up, can carry out axial position's adjustment to the semi-axis through the stopper of different thickness.
In some embodiments of the application, a mounting structure on the bridge shaft is improved, and a gear ring and a tapered roller bearing are sequentially sleeved on the bridge shaft from inside to outside;
the gear ring is connected to the axle shaft through a spline, the tapered roller bearing is arranged between the gear ring and the hub, and the tapered roller bearing is used for connecting the gear ring and the hub.
In some embodiments of the present application, the locking mechanism is modified to enable the locking mechanism to function as a limit, the locking mechanism including a lock nut and a set screw;
the locking nut is sleeved on the axle shaft and is abutted against the gear ring, a fixing groove is formed in the outer side of the locking nut, the set screw is fixedly installed in the fixing groove through threads, and the set screw is used for fixing the locking nut on the axle shaft;
the screw head of the set screw is provided with a steel wire which is used for connecting the set screws in series and mutually restraining.
In some embodiments of this application, improved wheel hub's adapting unit, so that wheel hub is provided with protection device outward, wheel hub one side is provided with the wheel hub adapter sleeve, the wheel hub adapter sleeve with wheel hub passes through hexagon socket head cap screw and rim bolted connection, wheel hub with be provided with O type sealing washer between the wheel hub adapter sleeve, O type sealing washer is in wheel hub with play sealed effect between the wheel hub adapter sleeve.
In some embodiments of the present application, the wheel-side locking device further comprises a sun gear, a planet gear, and a planet carrier;
the sun gear is connected with the half shaft through a spline, the planet gear is meshed with the sun gear through a tooth surface, the planet gear carrier is arranged on the outer side of the planet gear, and the planet gear carrier is used for limiting and fixing the planet gear.
In some embodiments of the present application, the connection part on the half-shaft is modified to enable the sun gear to be limited, and the half-shaft is fixedly provided with a check ring, the check ring is abutted against the sun gear, and the check ring is used for limiting and fixing the sun gear together with the axle shaft.
In some embodiments of the present application, the installation position of the planet carrier is improved, so that the planet carrier can be connected with the hub end cover and the hub connecting sleeve, the planet carrier is arranged between the hub end cover and the hub connecting sleeve, one end of the planet carrier is fixedly connected with the hub connecting sleeve through a hexagon bolt, and the other end of the planet carrier is fixedly connected with the hub end cover through an end cover bolt.
In some embodiments of the present application, the structure of the wheel-side end cover is improved, the wheel-side end cover has a first end and a second end, the limiting block is fixedly installed at the first end, the first end is attached to the half shaft, and the second end is fixedly connected to the planetary wheel carrier through an end cover bolt.
The utility model discloses a wheel locking device for engineering machinery, which comprises a half shaft, a wheel hub and a wheel end cover, wherein a bridge shaft is rotatably sleeved outside the half shaft, a locking mechanism is fixedly arranged on the bridge shaft, and the locking mechanism is used for preventing the wheel edge from loosening; the wheel-side end cover is arranged at the end part of the half shaft, and a limiting block is arranged in the wheel-side end cover and used for adjusting the axial position of the half shaft; the wheel hub is arranged on the periphery of the half shaft and used for supporting and fixing each part of component. Through the combined action of the locking mechanism and the limiting block, the wheel edge can be prevented from loosening, the axial clearance of the wheel edge can be flexibly adjusted, and the axial position of the semi-axis can be adjusted.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of a wheel rim locking device for an engineering machine according to the present invention;
FIG. 2 is a schematic structural view of a planetary gear in the present embodiment;
fig. 3 is a schematic structural view of the wheel-rim end cover in this embodiment.
Reference numerals
1. A half shaft; 11. a bridge shaft; 12. a ring gear; 13. a tapered roller bearing; 2. a hub; 21. a hub connecting sleeve; 22. a hexagon socket head cap screw; 23. a rim bolt; 24. an O-shaped sealing ring; 3. a wheel edge end cover; 31. a limiting block; 32. a first end; 33. a second end; 4. a locking mechanism; 41. locking the nut; 42. tightening the screw; 51. a sun gear; 52. a planet wheel; 53. a planetary wheel pad; 54. a planetary wheel shaft; 55. rolling needles; 56. a steel ball; 6. a planet carrier; 61. a retainer ring; 62. a hexagon bolt; 63. and (4) end cover bolts.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and further it is to be understood that when the terms "comprises" and/or "comprising" are used in this specification, it indicates the presence of the features, steps, operations, devices, components and/or combinations thereof, and not to exclude other elements or items. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the components or elements of the present invention, and are not intended to refer to any component or element of the present invention, and are not to be construed as limiting the present invention. Terms such as "fixedly connected", "connected", and the like are to be understood broadly and mean either a fixed connection or an integrally or detachably connected connection; may be directly connected or indirectly connected through an intermediate. For persons skilled in the art, the specific meanings of the above terms in the present invention can be determined according to specific situations, and should not be construed as limiting the present invention.
Examples
The half shaft is a direct driving piece for the rotation of the wheel and is an important part for transmitting torque, and when the engineering machinery runs, the torque output by the engine is transmitted to the half shaft through the multi-stage speed change and the driving device and then transmitted to the wheel through the half shaft to push the engineering machinery to move forwards or backwards. The half shaft plays the function of supporting load on the engineering machine tool, and on the traction force, braking force, tendency power and the vertical power of engineering machine tool all transmitted the half shaft, for the life of guaranteeing the half shaft, prevent to damage because of bearing looseness, bearing pretightning force are not enough, the bearing burns to death and the not good bearing seal nature of bearing cause the bearing, and the wheel side bearing locking structure of reasonable design is crucial.
In an engineering machinery wheel edge device, a wheel edge locking mechanism usually locks and concentrates a gear ring bearing on a half shaft, the radial direction of the half shaft adopts a hub interference fit, the axial direction is screwed up through a locking nut, and the outer end of the locking nut adopts an end cover for sealing. The locking mode has the main problem that the problem of inaccurate pre-tightening positioning is easily caused if the locking nut cannot be screwed or retreated to a proper position once during the disassembly and assembly of the locking nut; 2. the axial displacement of the wheel edge is limited by applying an axial rigid limit mode on the half shaft, so that the axial clearance cannot be adjusted.
The utility model provides an engineering machine tool is with wheel limit locking device solves lock nut pretension location inaccurate, easily not hard up, can't adjust the problem of axial clearance, can pinpoint, nimble adjustment wheel limit axial clearance to carry out axial position's adjustment to the semi-axis, as shown in figure 1, this device is including semi-axis 1, wheel limit end cover 3, wheel hub 2.
Semi-axis 1, the semi-axis 1 outside rotationally overlaps and is equipped with axle 11, fixed mounting has locking mechanism 4 on the axle 11, locking mechanism 4 is used for preventing that the wheel limit is not hard up.
The wheel-side end cover 3 is arranged at the end part of the half shaft 1, a limiting block 31 is arranged in the wheel-side end cover 3, and the limiting block 31 is used for adjusting the axial position of the half shaft 1.
And the wheel hub 2 is arranged on the periphery of the half shaft 1 and is used for supporting and fixing each component.
Through the combined action of the locking mechanism 4 and the limiting block 31, the wheel edge can be prevented from loosening, the axial clearance of the wheel edge can be flexibly adjusted, and the axial position of the semi-axis can be adjusted.
In some embodiments of the present application, the connecting member on the axle shaft 11 is modified to make the wheel rim locking device more perfect, and the gear ring 12 and the tapered roller bearing 13 are sequentially sleeved on the axle shaft 11 from inside to outside.
The gear ring 12 is connected to the axle 11 through a spline, the tapered roller bearing 13 is arranged between the gear ring 12 and the hub 2, and the tapered roller bearing 13 is used for connecting the gear ring 12 and the hub 2.
In some embodiments of the present application, the construction of the locking mechanism 4 is improved to prevent the wheel rim from loosening, and the locking mechanism 4 includes a lock nut 41 and a set screw 42.
The locking nut 41 is sleeved on the axle shaft 11, the locking nut 41 is abutted to the gear ring 12, a fixing groove is formed in the outer side of the locking nut 41, the set screw 42 is fixedly installed in the fixing groove through threads, and the set screw 42 is used for fixing the locking nut 41 on the axle shaft 12.
The head of the set screw 42 is provided with a steel wire for holding the set screws 42 in series.
In some embodiments of this application, the connected mode of wheel hub adapter sleeve 21 has been improved, so that wheel hub 2 with wheel hub adapter sleeve 21's connection is inseparabler, wheel hub 2 one side is provided with wheel hub adapter sleeve 21, wheel hub adapter sleeve 21 with wheel hub 2 passes through hexagon socket head cap screw 22 and rim bolt 23 is connected, wheel hub 2 with be provided with O type sealing washer 24 between the wheel hub adapter sleeve 21, O type sealing washer 24 is in wheel hub 2 with play sealed effect between the wheel hub adapter sleeve 21.
In some embodiments of the present application, the wheel-side locking device further comprises a sun gear 51, a planet gear 52 and a planet gear carrier 6.
The sun gear 51 is connected with the half shaft 1 through a spline, the planet gear 52 is meshed with the sun gear 51 through a tooth surface, the planet gear carrier 6 is arranged on the outer side of the planet gear 52, and the planet gear carrier 6 is used for limiting and fixing the planet gear 52.
In some embodiments of the present application, the installation position of the retainer ring 61 is modified so that the retainer ring 61 can limit the position of the planetary gear 5, the retainer ring 61 is fixedly installed on the axle shaft 1, the retainer ring 61 abuts against the sun gear 51, and the retainer ring 61 is used for limiting and fixing the sun gear 51 together with the axle shaft 11.
As shown in fig. 2, the sun gear 51 is connected with the axle shaft 1 through a spline, the sun gear 51 is limited by the retainer ring 61 and the axle shaft 1, and the other end of the sun gear 51 is limited by the axle shaft 11.
The planet wheel 52 is in meshed connection with the sun wheel 51, a planet wheel pad 53 is arranged between the planet wheel 52 and the planet wheel carrier 6, and the planet wheel pad 53 is used for limiting the planet wheel 52.
A planet shaft 54 and a needle roller 55 are arranged on the planet carrier 6, the planet shaft 51 is fixed on the planet carrier 6 through a steel ball 56 and the planet wheel pad 53, and forms a rolling pair with the needle roller 55 and the planet wheel 52; the needle roller 55 is located between the planetary shaft 54 and the carrier 6, and performs rolling friction.
In some embodiments of the present application, the connection position of the planetary carrier 6 is improved, so that the planetary carrier 6 is installed more stably, the planetary carrier 6 is disposed between the wheel-side end cover 3 and the hub connecting sleeve 21, one end of the planetary carrier 6 is fixedly connected with the hub connecting sleeve 21 through the hexagon bolt 62, and the other end of the planetary carrier is fixedly connected with the wheel-side end cover 3 through the end cover bolt 63.
In some embodiments of the present application, the structure of the wheel-side end cover 3 is improved, as shown in fig. 3, the wheel-side end cover 3 has a first end 32 and a second end 33, the limiting block 31 is fixedly mounted at the first end 32, the first end 32 is attached to the axle shaft 1, and the second end 33 is fixedly connected to the planet carrier 6 through an end cover bolt 63.
Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention, but not for all embodiments, and the scope of the present invention is not limited thereto, and the technical features of the above-described embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features of the above-described embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present description should be considered as the scope of the present description. Where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention. It should be noted that those skilled in the art and any person skilled in the art can make equivalent substitutions or changes according to the technical solution of the present invention and the inventive concept thereof, and make several changes and improvements without departing from the spirit of the present invention and the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an engineering machine tool is with round of limit locking device which characterized in that includes:
the locking mechanism is used for preventing the wheel rim from loosening;
the wheel-side end cover is arranged at the end part of the half shaft, and a limiting block is arranged in the wheel-side end cover and used for adjusting the axial position of the half shaft;
and the wheel hub is arranged on the periphery of the half shaft and is used for supporting and fixing each part of component.
2. The wheel rim locking device for the engineering machinery as claimed in claim 1, wherein a gear ring and a tapered roller bearing are sequentially sleeved on the axle shaft from inside to outside;
the gear ring is connected to the axle shaft through a spline, the tapered roller bearing is arranged between the gear ring and the hub, and the tapered roller bearing is used for connecting the gear ring and the hub.
3. The wheel rim locking device for the engineering machinery as claimed in claim 2, wherein the locking mechanism comprises a locking nut and a set screw;
the locking nut is sleeved on the axle shaft and is abutted against the gear ring, a fixing groove is formed in the outer side of the locking nut, the set screw is fixedly installed in the fixing groove through threads, and the set screw is used for fixing the locking nut on the axle shaft;
the screw head of the set screw is provided with a steel wire which is used for connecting the set screws in series and mutually restraining.
4. The hub locking device of claim 1, wherein a hub connecting sleeve is arranged on one side of the hub, the hub connecting sleeve is connected with the hub through a hexagon socket head cap screw and a rim screw, an O-ring is arranged between the hub and the hub connecting sleeve, and the O-ring plays a role in sealing between the hub and the hub connecting sleeve.
5. The hub locking device for the engineering machinery as claimed in claim 1, wherein the hub locking device further comprises a sun gear, a planet gear and a planet gear carrier;
the sun gear is connected with the half shaft through a spline, the planet gear is meshed with the sun gear through a tooth surface, the planet gear carrier is arranged on the outer side of the planet gear, and the planet gear carrier is used for limiting and fixing the planet gear.
6. The wheel rim locking device for engineering machinery as claimed in claim 5, wherein a retaining ring is fixedly mounted on the half shaft, the retaining ring abuts against the sun gear, and the retaining ring is used for limiting and fixing the sun gear together with the axle shaft.
7. The hub locking device for the engineering machinery as claimed in claim 6, wherein the planet carrier is disposed between the hub end cap and the hub connecting sleeve, one end of the planet carrier is fixedly connected with the hub connecting sleeve through a hexagon bolt, and the other end of the planet carrier is fixedly connected with the hub end cap through an end cap bolt.
8. The wheel locking device of claim 7, wherein the wheel end cover has a first end and a second end, the limiting block is fixedly mounted at the first end, the first end is attached to the axle shaft, and the second end is fixedly connected to the planetary carrier through an end cover bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223330908.8U CN218558456U (en) | 2022-12-13 | 2022-12-13 | Wheel edge locking device for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223330908.8U CN218558456U (en) | 2022-12-13 | 2022-12-13 | Wheel edge locking device for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218558456U true CN218558456U (en) | 2023-03-03 |
Family
ID=85306173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223330908.8U Active CN218558456U (en) | 2022-12-13 | 2022-12-13 | Wheel edge locking device for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218558456U (en) |
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2022
- 2022-12-13 CN CN202223330908.8U patent/CN218558456U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |