CN217347357U - Locking device, axle assembly and working machine - Google Patents
Locking device, axle assembly and working machine Download PDFInfo
- Publication number
- CN217347357U CN217347357U CN202220876340.0U CN202220876340U CN217347357U CN 217347357 U CN217347357 U CN 217347357U CN 202220876340 U CN202220876340 U CN 202220876340U CN 217347357 U CN217347357 U CN 217347357U
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- locking
- axle
- nut
- locking device
- fastening nut
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Abstract
The utility model relates to an operation machinery technical field provides a locking device, axle subassembly and operation machinery. The locking device includes: lock nut, draw-in groove, latch segment and fastening nut. The lock nut is lockingly connected to the axle. The clamping groove is formed in the outer end portion of the axle. The locking nut is provided with a locking tooth groove. The locking block is placed in the clamping groove and clamped in the locking tooth groove to prevent the locking nut from loosening in a rotating mode. The fastening nut is mounted to the axle and locks the locking block to prevent the locking block from falling off. The locking block is arranged in a clamping groove at the end part of the axle and clamped in the locking tooth groove, and a fastening nut for fixing the locking block is sleeved at the outer end part of the axle in a threaded manner, so that the wheel rim axle head can be effectively and reliably locked. The anti-shearing capability of the locking block in the locking device is stronger, and the locking block is fixed by using the fastening nut, so that the connection reliability is greatly increased. Therefore, the locking device is high in locking reliability and relatively long in service life.
Description
Technical Field
The utility model relates to an operating machinery technical field especially relates to a locking device, axle subassembly and operating machinery.
Background
The wheel-side locking of the axle is a very important structure, which not only determines the play adjustment of the wheel-side bearing, but also plays an axial locking role for the supporting disk. If the wheel edge locking device has the faults of looseness and the like, a series of interlocking faults of gear punching at the wheel edge of the axle, tolerance of bearing clearance and the like can be caused.
At present, most of axle spindle heads are locked by adopting a structure that a locking plate and a nut are mutually matched. In the using process, the locking plate is easy to deform, and the bolt is easy to break under the shearing force. The axle head locking structure has poor reliability and short service life.
SUMMERY OF THE UTILITY MODEL
The utility model provides a locking device, axle subassembly and operation machinery for solve the relatively poor, short problem of life of reliability of current axle spindle nose locking structure.
The utility model discloses a first aspect provides a locking device, include: lock nut, draw-in groove, latch segment and fastening nut.
Wherein the lock nut is lockingly connected to the axle. The clamping groove is formed in the outer end portion of the axle. And the locking nut is provided with a locking tooth groove. The locking block is placed in the clamping groove and clamped in the locking tooth groove to prevent the locking nut from rotating and loosening. The fastening nut is mounted to the axle and locks the locking block to prevent the locking block from falling off.
According to the utility model provides a pair of locking device, the latch segment includes the latch segment bottom surface. The clamping groove comprises a groove bottom. The bottom surface of the locking block is attached to the groove bottom.
According to the utility model provides a pair of locking device, the latch segment still includes one-level step and second grade step. The first-level step is higher than the second-level step. The first-stage step is clamped in the locking tooth groove to limit the locking block to rotate. The fastening nut is extruded to the outer side of the first-stage step to limit the locking block to move along the axial direction. The secondary step extends into an inner ring of the fastening nut to limit the locking block from moving in a radial direction.
According to the utility model provides a pair of locking device, the draw-in groove with locking tooth's socket looks adaptation, the one-level step can be installed and the card is arranged in the draw-in groove with in the locking tooth's socket.
According to the utility model provides a pair of locking device, the one-level step still includes the spacing face of axial. And the end surface of the inner side of the locking nut is attached to the axial limiting surface.
According to the utility model provides a pair of locking device, the second grade step includes radial spacing face. The radial limiting surface is matched with the surface of the inner ring of the fastening nut. The radial limiting surface is attached to the surface of the inner ring of the fastening nut.
According to the utility model provides a pair of locking device, the interval is provided with a plurality ofly on the lock nut the locking tooth's socket.
According to the utility model provides a pair of locking device, be provided with the crescent spanner draw-in groove on fastening nut's the outward flange.
According to the utility model discloses a second aspect provides an axle subassembly, including axletree, wheel hub, ring gear support and as above locking device. The wheel hub sleeve is arranged on the axle. The gear ring support is sleeved on the axle and positioned on the outer side of the hub. The locking device is connected to the outer side of the gear ring support in a locking mode.
According to a third aspect of the present invention, there is provided a work machine comprising a locking device as described above or an axle assembly as described above.
The utility model provides an among the locking device, lock nut lock connection to axletree, the draw-in groove is seted up in the outer tip of axletree, the last locking tooth's socket that is provided with of lock nut, the latch segment place in the draw-in groove and the card is arranged in the locking tooth's socket, in order to prevent the rotation of lock nut is not hard up, fastening nut installs extremely on the axletree and lock the latch segment, in order to prevent the latch segment drops.
Through the structure, the locking block is arranged in the clamping groove at the end part of the axle and clamped in the locking tooth groove, the fastening nut for fixing the locking block is sleeved at the outer end part of the axle in a threaded manner, and the wheel rim shaft head can be effectively and reliably locked. Compared with the locking sheet and nut matched structure in the prior art, the locking block in the locking device has stronger anti-shearing capability, and the locking block is fixed by using the fastening nut, so that the connection reliability is greatly increased. Therefore, the locking device is high in locking reliability and relatively long in service life.
Further, since the axle assembly includes the locking device as described above, it also has the advantages as described above.
Further, since the work machine includes the locking device and axle assembly as described above, it also has the advantages as described above.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an axle assembly provided by the present invention;
fig. 2 is a schematic structural diagram of a lock nut in the locking device provided by the present invention;
fig. 3 is a schematic structural diagram of a locking block in the locking device provided by the present invention;
FIG. 4 is a schematic structural view of an axle of the axle assembly provided by the present invention;
reference numerals are as follows:
100: locking the nut; 101: locking the tooth socket;
102: a first gullet sidewall; 103: a second gullet sidewall;
200: an axle; 201: a card slot;
202: the bottom of the tank; 300: a locking block;
301: a first step; 302: a second step;
303: a first limit surface; 304: a second limiting surface;
305: an axial limiting surface; 306: a radial limiting surface;
400: fastening a nut; 500: a hub;
600: a gear ring support.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, without mutual contradiction, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification to make the objects, technical solutions, and advantages of the embodiments of the present invention clearer, and the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes a locking device, an axle assembly and a working machine provided by the embodiments of the present invention with reference to fig. 1 to 4. It should be understood that the following description is only exemplary of the present invention and does not constitute any particular limitation of the present invention.
An embodiment of the first aspect of the present invention provides a locking device, as shown in fig. 1 and 4, the locking device includes: lock nut 100, draw-in groove 201, locking piece 300 and fastening nut 400.
Wherein the lock nut 100 is lockingly coupled to the axle 200. A card slot 201 opens at the outer end of the axle 200. The locking nut 100 is provided with a locking spline 101. The locking block 300 is placed in the locking groove 201 and is clamped in the locking tooth groove 101 to prevent the locking nut 100 from being loosened by rotation. The fastening nut 400 is mounted to the axle 200 and locks the locking block 300 to prevent the locking block 300 from falling off.
Through the structure, the locking block 300 is arranged in the clamping groove 201 at the end part of the axle 200 and clamped in the locking tooth groove 101, the fastening nut 400 for fixing the locking block 300 is connected to the outer end part of the axle 200 in a threaded manner, and the wheel rim shaft head can be effectively and reliably locked. Compared with the locking sheet and nut matched structure in the prior art, the locking block 300 in the locking device has stronger anti-shearing capability, and the locking block 300 is fixed by using the fastening nut 400, so that the connection reliability is greatly increased. Therefore, the locking device is high in locking reliability and relatively long in service life.
In an embodiment of the present invention, as shown in fig. 2, a plurality of locking teeth grooves 101 are provided at intervals on the locking nut 100. An operator can select one or more suitable locking tooth grooves 101 to install the locking block 300 and perform locking operation according to actual working conditions.
In one embodiment of the present invention, the locking segment 300 includes a locking segment bottom surface. Card slot 201 includes slot bottom 202. The bottom surface of the locking block is attached to the groove bottom 202. As shown in fig. 4, the outer end of the axle 200 is provided with a slot 201. The slot 201 includes a slot bottom 202, and the slot bottom 202 has a planar structure. The bottom surface of the locking block 300 is a planar structure matched with the groove bottom 202. The locking block 300 is placed in the clamping groove 201, and the bottom surface of the locking block 300 is attached to the groove bottom 202.
In one embodiment of the present invention, the locking block 300 further comprises a first step 301 and a second step 302. The first step 301 is higher than the second step 302. The first step 301 is engaged in the locking spline 101 to limit the rotation of the locking block 300. The fastening nut 400 is pressed to the outside of the one-step 301 to restrict the locking block 300 from moving in the axial direction. The secondary step 302 protrudes into the inner race of the fastening nut 400 to restrict the locking block 300 from moving in the radial direction.
Further, in an embodiment of the present invention, the slot 201 is adapted to the locking tooth groove 101. The first step 301 can be installed and clamped in the slot 201 and the locking tooth groove 101.
Specifically, in an embodiment of the present invention, the slot 201 further includes a first slot sidewall and a second slot sidewall. The locking gullet 101 includes a first gullet side wall 102 and a second gullet side wall 103. The one-step 301 includes a first stopper surface 303 and a second stopper surface 304. The first slot side wall is flush with the first gullet side wall 102. The second card slot side wall is flush with the second rack slot side wall 103. The first stop surface 303 is attached to the first slot side wall and the first slot side wall 102. The second limiting surface 304 is attached to the second slot sidewall and the second slot sidewall 103.
In an embodiment of the present invention, the first step 301 further comprises an axial limiting surface 305. The inner end surface of the lock nut 100 is attached to the axial stopper surface 305.
In yet another embodiment of the present invention, the secondary step 302 includes a radial stop surface 306. The radial stop surface 306 is adapted to the inner circumferential surface of the fastening nut 400. The radial stopper surface 306 is attached to the inner ring surface of the fastening nut 400.
Specifically, as shown in fig. 3, the right side of the locking block 300 is a one-step 301. The left side of the locking block 300 is a secondary step 302. The lower surfaces of the first-stage step 301 and the second-stage step 302 are the same, and the surfaces are matched with the groove bottom 202 of the clamping groove 201 and attached to the groove bottom 202 of the clamping groove 201. The front side and the rear side of the first-step 301 are respectively a first limiting surface 303 and a second limiting surface 304. The first slot side wall of the slot 201 is flush with the first slot side wall 102 of the locking slot 101, i.e. the first slot side wall and the first slot side wall 102 are located on the same plane. The second slot side wall of the slot 201 is flush with the second slot side wall 103 of the locking slot 101, i.e. the second slot side wall and the second slot side wall 103 are in the same plane. The first limiting surface 303 is attached to the first slot sidewall and the first slot sidewall 102. The second limiting surface 304 is attached to the second slot sidewall and the second slot sidewall 103. This can restrict the rotation of the lock nut 100.
The left side surface of the first-stage step 301 is an axial limiting surface 305. As shown in fig. 1, the fastening nut 400 is installed on the left side of the locking block 300, and the right end surface of the fastening nut 400 is tightly locked to the axial limiting surface 305. This can restrict the axial movement of the lock block 300. The upper surface of the secondary step 302 is a radial limit surface 306. The radial stop surface 306 is adapted to the inner ring surface of the fastening nut 400, so that the secondary step 302 can extend into the inner ring of the fastening nut 400. This can restrict the radial movement of the lock block 300.
In another embodiment of the present invention, a crescent wrench slot is provided on the outer edge of the fastening nut 400. From this, the staff can screw or loosen the operation through crescent spanner to fastening nut 400, and operation process labour saving and time saving.
Embodiments of the second aspect of the present invention provide an axle assembly, as shown in fig. 1, comprising an axle 200, a hub 500, a ring gear bracket 600 and a locking device as described above. The hub 500 is sleeved on the axle 200. The ring gear carrier 600 is sleeved on the axle 200 and located outside the hub 500. The locking device is lockingly coupled to the outside of the ring gear bracket 600.
Further, since the axle assembly includes the locking device as described above, it also has the advantages as described above.
An embodiment of the third aspect of the present invention provides a work machine, comprising a locking device or an axle assembly as described above.
It should be noted here that the present invention is not limited to the specific type of the work machine. For example, in one embodiment of the present invention, the work machine includes an excavator or the like.
Further, since the work machine comprises a locking device or axle assembly as described above, it also has the advantages as described above.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A locking device, comprising: a locking nut, a clamping groove, a locking block and a fastening nut,
the locking nut is locked and connected to the axle, the clamping groove is formed in the outer end portion of the axle, a locking tooth groove is formed in the locking nut, the locking block is placed in the clamping groove and clamped in the locking tooth groove to prevent the locking nut from loosening in a rotating mode, and the fastening nut is installed on the axle and locks the locking block to prevent the locking block from falling off.
2. The locking device of claim 1, wherein the locking segment includes a locking segment bottom surface, the slot includes a slot bottom, and the locking segment bottom surface and the slot bottom surface abut each other.
3. The locking device of claim 2, wherein the locking block further comprises a first step and a second step, the first step is higher than the second step, the first step is clamped in the locking tooth groove to limit the locking block to rotate, the fastening nut is extruded to the outer side of the first step to limit the locking block to move along the axial direction, and the second step extends into an inner ring of the fastening nut to limit the locking block to move along the radial direction.
4. The locking device of claim 3, wherein the locking groove is matched with the locking tooth groove, and the first step can be installed and clamped in the locking groove and the locking tooth groove.
5. The locking device of claim 3, wherein the first step further comprises an axial limiting surface, and the inner end surface of the locking nut is attached to the axial limiting surface.
6. The locking device of claim 3, wherein the secondary step comprises a radial stop surface adapted to the inner race surface of the fastening nut, the radial stop surface being attached to the inner race surface of the fastening nut.
7. The locking device of claim 1 wherein a plurality of said locking splines are spaced apart on said locking nut.
8. The locking device of claim 1 wherein a crescent wrench slot is provided on an outer edge of the fastening nut.
9. An axle assembly comprising an axle, a hub mounted on the axle, a ring gear carrier mounted on the axle outboard of the hub, and the locking device of any one of claims 1 to 8 lockingly connected to the outboard of the ring gear carrier.
10. A work machine comprising a locking device as claimed in any one of claims 1 to 8 or an axle assembly as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220876340.0U CN217347357U (en) | 2022-04-15 | 2022-04-15 | Locking device, axle assembly and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220876340.0U CN217347357U (en) | 2022-04-15 | 2022-04-15 | Locking device, axle assembly and working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217347357U true CN217347357U (en) | 2022-09-02 |
Family
ID=83054918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220876340.0U Active CN217347357U (en) | 2022-04-15 | 2022-04-15 | Locking device, axle assembly and working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217347357U (en) |
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2022
- 2022-04-15 CN CN202220876340.0U patent/CN217347357U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230119 Address after: 313000, No.18-666, Industrial Road, South Taihu High-tech Industrial Park, High-tech Zone, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Huzhou Sany Loader Co.,Ltd. Address before: Block a, 318 Lianggang Avenue, Lingang Industrial Park, Pudong New Area, Shanghai Patentee before: SHANGHAI SANY HEAVY MACHINERY Co.,Ltd. |