CN208881949U - A kind of mini-excavator guide wheel - Google Patents
A kind of mini-excavator guide wheel Download PDFInfo
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- CN208881949U CN208881949U CN201821757187.XU CN201821757187U CN208881949U CN 208881949 U CN208881949 U CN 208881949U CN 201821757187 U CN201821757187 U CN 201821757187U CN 208881949 U CN208881949 U CN 208881949U
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- hole
- excavator
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- wheel body
- guide wheel
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Abstract
The utility model relates to guide wheel for excavator, more particularly to a kind of mini-excavator guide wheel, on its bracket for being set to excavator, including drawing axis, being rotatably arranged in the wheel body drawn on axis by two bearings, the through-hole for installing bearing is equipped in the middle part of the wheel body, annular slot there are two being set in the through-hole, the circlip for holding bearing is equipped in each annular slot, the skeleton rotary oil seal against side face is equipped in the through-hole on the outside of each bearing, outwardly convex forms the fastening part with crawler belt cooperation on the circumference of the wheel body.Not the technical issues of not being suitable for mini-excavator which solve existing guide wheel.
Description
Technical field
The utility model relates to guide wheel for excavator more particularly to a kind of mini-excavator guide wheels.
Background technique
The structure type of the guide wheel of existing excavator has very much, such as China Patent No.: CN201711454191.9 is disclosed
A kind of large-sized mining dredger guide wheel, including wheel body, axis, axle bed and axle sleeve；The axle sleeve is mounted on the center of wheel body
Kong Zhong, the axis are interspersed in axle sleeve and roll cooperation therewith；The both ends of the axis it is symmetrical be respectively provided with an axle bed, it is each
A axle bed is fixed together by pin and axis；It is equipped with partition between the axle sleeve and wheel body, and is sealed by seal assembly；
The sagittal plane of the wheel body is set as " several " character form structure, so that sagittal plane is constituted along symmetrical two orbital plane of wheel body median plane, and
Each orbital plane is arc surface, so that being more uniformly stressed.The configuration of the present invention is simple is reliable, particularly suitable for large-scale and super large
Type tracked construction equipment uses.For another example China Patent No.: a kind of crawler of excavator formula disclosed in CN201510851908.8
Guide wheel, including wheel body, bolt, wheel hub, which is characterized in that the wheel hub outer ring is laid with connecting screw hole, the wheel
The screw hole for enclosing corresponding wheel hub in vivo is equipped with hole, and blending bolt passes through hole and is tightened on the connecting screw hole of wheel hub.The present invention with it is existing
The advantages that technology is compared, and has structure simple, easy to operate, fission design, reduces maintenance cost.
But in existing four tons of mini-excavators below, if guide wheel is using China Patent No.:
Structure disclosed in CN201510851908.8, structural stability are poor, it is easy to damage, service life is shorter.If using
Such as China Patent No.: structure disclosed in CN201711454191.9, measure of precision is inadequate, and abnormal sound is more, and in structure because
For the demand that can not meet miniaturization.
Utility model content
The utility model provide a kind of reasonable structure, stability preferably, suitable for the guide wheel of mini-excavator.It solves
Be the technical issues of existing guide wheel is not suitable for mini-excavator.
A kind of to achieve the above purpose, the technical solution of the present invention is: mini-excavator guide wheel is set to and excavates
On the bracket of machine, including drawing axis, being rotatably arranged in the wheel body drawn on axis by two bearings, it is equipped with and is used in the middle part of the wheel body
The through-hole of bearing is installed, is set in the through-hole there are two annular slot, each annular slot is interior to be equipped with the elasticity for being used for holding bearing
Retaining ring, is equipped with the skeleton rotary oil seal against side face in the through-hole on the outside of each bearing, on the circumference of the wheel body
Outwardly convex forms the fastening part with crawler belt cooperation.
Preferably, it is respectively equipped with loss of weight ring-shaped depression on two sides of the wheel body and in the periphery of through-hole,
The loss of weight ring-shaped depression is equipped with a plurality of loss of weight through-holes.
Preferably, it is equipped in the loss of weight ring-shaped depression positioned at each loss of weight through hole and thickens protrusion.
Above-mentioned technical proposal has the following beneficial effects:
1, by the setting of circlip, skeleton rotary oil seal, the stability of wheel body can be made preferable, accuracy compared with
Height, service life are also longer；
2, weight can be reduced by the setting of loss of weight ring-shaped depression, loss of weight through-hole；
3, by thickening the setting of protrusion, loss of weight ring-shaped depression can be allowed, by depth down, and to pass through when being arranged
Thicken protrusion ensures its stability and safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
With reference to shown in Fig. 1, Fig. 2, the present embodiment provides a kind of mini-excavator guide wheels, are set to the bracket 1 of excavator
On, including drawing axis 2, being rotatably arranged in the wheel body 4 drawn on axis 2 by two bearings 3, it is equipped in the middle part of the wheel body 4 for filling
If the through-hole 41 of bearing 3, set in the through-hole 41 there are two annular slot 42, each interior be equipped with of annular slot 42 is used for holding bearing
3 circlip 5, the interior skeleton rotary oil seal 6 being equipped on the outside of each bearing 3 against 1 side of bracket of through-hole 41 are described
Outwardly convex forms the fastening part 43 with crawler belt cooperation on the circumference of wheel body 4.On 4 two sides of the wheel body and it is located at through-hole 41
Periphery on be respectively equipped with loss of weight ring-shaped depression 44, the loss of weight ring-shaped depression 44 is equipped with a plurality of loss of weight through-holes
45.It is located to be equipped at each loss of weight through-hole 45 in the loss of weight ring-shaped depression 44 and thickens protrusion 46.
Above-mentioned technical proposal has the following beneficial effects:
1, by the setting of circlip, skeleton rotary oil seal, the stability of wheel body can be made preferable, accuracy compared with
Height, service life are also longer；
2, weight can be reduced by the setting of loss of weight ring-shaped depression, loss of weight through-hole；
3, by thickening the setting of protrusion, loss of weight ring-shaped depression can be allowed, by depth down, and to pass through when being arranged
Thicken protrusion ensures its stability and safety.
The above is only one preferred embodiments of the utility model, and those skilled in the art is made equivalent by claim
Change the protection scope for both falling within this case.
Claims (3)
1. a kind of mini-excavator guide wheel is set on the bracket of excavator, including is drawn axis, passed through two bearings rotationally
Set on the wheel body drawn on axis, it is characterised in that: be equipped with the through-hole for installing bearing in the middle part of the wheel body, be equipped in the through-hole
Two annular slots, the interior circlip being equipped with for holding bearing of each annular slot, the through-hole is interior to be located at each bearing outside
Equipped with the skeleton rotary oil seal against side face, outwardly convex forms the holding with crawler belt cooperation on the circumference of the wheel body
Portion.
2. a kind of mini-excavator guide wheel according to claim 1, it is characterised in that: on two sides of the wheel body and
Loss of weight ring-shaped depression is respectively equipped in the periphery of through-hole, a plurality of losss of weight that are equipped with of the loss of weight ring-shaped depression lead to
Hole.
3. a kind of mini-excavator guide wheel according to claim 2, it is characterised in that: position in the loss of weight ring-shaped depression
It is equipped in each loss of weight through hole and thickens protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821757187.XU CN208881949U (en) | 2018-10-29 | 2018-10-29 | A kind of mini-excavator guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821757187.XU CN208881949U (en) | 2018-10-29 | 2018-10-29 | A kind of mini-excavator guide wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208881949U true CN208881949U (en) | 2019-05-21 |
Family
ID=66517275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821757187.XU Active CN208881949U (en) | 2018-10-29 | 2018-10-29 | A kind of mini-excavator guide wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208881949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389555A (en) * | 2020-11-25 | 2021-02-23 | 三一重机有限公司 | Guide wheel mechanism, drive device, and excavator |
-
2018
- 2018-10-29 CN CN201821757187.XU patent/CN208881949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389555A (en) * | 2020-11-25 | 2021-02-23 | 三一重机有限公司 | Guide wheel mechanism, drive device, and excavator |
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