CN204895632U - Locking type of nut of excavator holds in palm sprocket - Google Patents
Locking type of nut of excavator holds in palm sprocket Download PDFInfo
- Publication number
- CN204895632U CN204895632U CN201520706705.5U CN201520706705U CN204895632U CN 204895632 U CN204895632 U CN 204895632U CN 201520706705 U CN201520706705 U CN 201520706705U CN 204895632 U CN204895632 U CN 204895632U
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- CN
- China
- Prior art keywords
- axle
- sprocket wheel
- stepped hole
- palm
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a locking type of nut of excavator holds in palm sprocket, including holding in the palm the sprocket wheel body, holding in the palm the axle, ask the middle part of sprocket wheel body to be the through -hole, both ends are equipped with left shoulder hole and right shoulder hole respectively about it, be connected with a deep groove ball bearing in left side shoulder hole and the right shoulder hole respectively, the left end that holds in the palm the axle passes deep groove ball bearing, and it is fixed that the while asks the left end of axle to pass through the jump ring, the right lateral position that holds in the palm the axle is in asking the sprocket wheel external, be equipped with skeleton oil blanket and right -hand member lid in the shoulder hole of the right side, be equipped with the left end lid on the shoulder hole of a left side, be equipped with the bolt hole on the right -hand member of support axle, the right -hand member that holds in the palm the axle is equipped with hexagon check nut, last a plurality of " U " type groove that is equipped with of hexagon check nut, when hexagon check nut connected on the right -hand member that holds in the palm the axle, one of them " U " type groove was harmonious with the bolt hole to on inserting the bolt in " U " the type of locating groove and bolt hole, prevent that hexagon check nut from droing. The utility model discloses can make and hold in the palm firm the fixing at chassis walking frame of sprocket wheel body, guarantee that it is reliable and stable in the use.
Description
Technical field
The utility model relates to excavator support chain wheel field, refers more particularly to a kind of nut anti-looseness type holder sprocket wheel of excavating machine.
Background technology
General distribution 1-3 holder sprocket wheel on the every bar crawler belt of excavating machine, therefore requires higher to holder sprocket wheel and supporting stability in use thereof; Its installation position of sprocket wheel is much ask all to adopt optical axis to design in practice; Adopt holder sprocket wheel optical axis directly and the mounting means of open type bracket, wherein ask sprocket wheel often due to excavating machine various vibrations at work, and cause produces between holder axle and bracket loosening, time, long also likely causing held in the palm coming off of sprocket wheel, wear and tear between aggravation holder sprocket wheel bracket when loosening simultaneously, reduce its service life.
Utility model content
The nut anti-looseness type holder sprocket wheel of the excavating machine that the purpose of this utility model is to overcome above-mentioned weak point of the prior art and provides a kind of structure simple, practical.
The utility model realizes in the following way:
A kind of nut anti-looseness type holder sprocket wheel of excavating machine, it is characterized in that: comprise holder sprocket wheel wheel body 1, holder axle 2, the middle part of described holder sprocket wheel wheel body 1 is through hole 11, and its two ends, left and right are respectively equipped with left stepped hole 12 and right stepped hole 13, and described left stepped hole 12 and right stepped hole 13 communicate with through hole 11 respectively; A deep groove ball bearing 3 is connected in described left stepped hole 12 and right stepped hole 13; The left end of described holder axle 2, successively through the deep groove ball bearing 3 in right stepped hole 13 and the deep groove ball bearing 3 in left stepped hole 12, asks the left end of axle 2 to be fixed by jump ring 4 simultaneously; The right side of described holder axle 2 is positioned at outside holder sprocket wheel wheel body 1, and described holder axle 2 is rotatable relative to holder sprocket wheel wheel body 1; Be provided with outside framework oil seal 5 and right end cap 6 in described right stepped hole 13, described outside framework oil seal 5 and right end cap 6 are arranged on holder axle 2, and between the deep groove ball bearing 3 of outside framework oil seal 5 in right end cap 6 and right stepped hole 13; Be provided with left end cap 7 in described left stepped hole 12, described left end cap 7 is positioned at the left side of the deep groove ball bearing 3 of left stepped hole 12;
The right-hand member of described holder axle 2 is provided with pin hole 21; The right-hand member of described holder axle 2 is provided with hexagon check nut 8, and described hexagon check nut 8 is provided with some " U " type groove 81; When hexagon check nut 8 is connected on the right-hand member holding in the palm axle 2, wherein one " U " type groove 81 and pin hole 21 are harmonious, and latch are inserted in " U " type groove 81 with on pin hole 21, prevent hexagon check nut 8 from coming off.
The beneficial effects of the utility model are: in order to prevent, between holder sprocket wheel wheel body and bracket, loose or dislocation phenomenon occurs, improve reliability and the service life of product; For existing holder sprocket wheel wheel body deficiency in use, hexagon check nut is adopted to add the locking design of latch; Bore pin hole and be used for installing hexagon check nut and latch additional in holder axle installation end thread cutting, when holder sprocket wheel wheel body and bracket are installed on walker, hexagon check nut plays the effect of being locked, and latch can fix the various vibrations that hexagon check nut prevents excavating machine from producing in the course of the work, cause hexagon check nut and hold in the palm loosening of sprocket wheel wheel body, can make like this holder sprocket wheel wheel body firm be fixed on chassis walking frame, ensure that it is in use reliable and stable.
Accompanying drawing explanation
Fig. 1 the utility model structural representation.
Detailed description of the invention
Now by reference to the accompanying drawings, the utility model detailed description of the invention is described in detail in detail:
As shown in Figure 1, a nut anti-looseness type holder sprocket wheel for excavating machine, comprises holder sprocket wheel wheel body 1, holder axle 2, and the middle part of holder sprocket wheel wheel body 1 is through hole 11, its two ends, left and right are respectively equipped with left stepped hole 12 and right stepped hole 13, and left stepped hole 12 and right stepped hole 13 communicate with through hole 11 respectively; A deep groove ball bearing 3 is connected in left stepped hole 12 and right stepped hole 13; The left end of holder axle 2, successively through the deep groove ball bearing 3 in right stepped hole 13 and the deep groove ball bearing 3 in left stepped hole 12, asks the left end of axle 2 to be fixed by jump ring 4 simultaneously; The right side of holder axle 2 is positioned at outside holder sprocket wheel wheel body 1, and holder axle 2 is rotatable relative to holder sprocket wheel wheel body 1; Be provided with outside framework oil seal 5 and right end cap 6 in right stepped hole 13, outside framework oil seal 5 and right end cap 6 are arranged on holder axle 2, and between the deep groove ball bearing 3 of outside framework oil seal 5 in right end cap 6 and right stepped hole 13; Be provided with left end cap 7 in left stepped hole 12, left end cap 7 is positioned at the left side of the deep groove ball bearing 3 of left stepped hole 12; The right-hand member of holder axle 2 is provided with pin hole 21; The right-hand member of holder axle 2 is provided with hexagon check nut 8, and hexagon check nut 8 is provided with some " U " type groove 81; When hexagon check nut 8 is connected on the right-hand member holding in the palm axle 2, wherein one " U " type groove 81 and pin hole 21 are harmonious, and latch are inserted in " U " type groove 81 with on pin hole 21, prevent hexagon check nut 8 from coming off.
The utility model deep groove ball bearing 3 adopts interference fit to be pressed in holder sprocket wheel wheel body 1, and right end cap 6 adopts interference fit to be pressed into holder sprocket wheel wheel body 1, plays sealing function; Outside framework oil seal 5 and right end cap 6 are pressed into holder sprocket wheel wheel body 1 through holder axle 2, and wherein the endoporus of outside framework oil seal 5 and its corresponding position ask the external diameter of axle 2 to be interference fit, play sealing function.
The utility model hexagon check nut 8 is by being screwed on the right-hand member of holder axle 2, hexagon check nut 8 one end is processed with six size identical " U " type grooves 81, latch is through the pin hole 21 on " U " type groove 81 on hexagon check nut 8 and holder axle 2, and fixing hexagon check nut 8 prevents because various mechanical vibration cause loosening of hexagon check nut 8.
There is loose or dislocation phenomenon in order to prevent between holder sprocket wheel wheel body 1 and bracket in the utility model, improves reliability and the service life of product; For existing holder sprocket wheel wheel body 1 deficiency in use, hexagon check nut 8 is adopted to add the locking design of latch; Bore pin hole 21 and be used for installing hexagon check nut 8 and latch additional in holder axle 2 installation end thread cutting, when holder sprocket wheel wheel body 1 and bracket are installed on walker, hexagon check nut 8 plays the effect of being locked, and latch can fix the various vibrations that hexagon check nut 8 prevents excavating machine from producing in the course of the work, cause hexagon check nut 8 and hold in the palm loosening of sprocket wheel wheel body 1, can make like this holder sprocket wheel wheel body 1 firm be fixed on chassis walking frame, ensure that it is in use reliable and stable.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (1)
1. the nut anti-looseness type holder sprocket wheel of an excavating machine, it is characterized in that: comprise holder sprocket wheel wheel body (1), holder axle (2), the middle part of described holder sprocket wheel wheel body (1) is through hole (11), its two ends, left and right are respectively equipped with left stepped hole (12) and right stepped hole (13), and described left stepped hole (12) and right stepped hole (13) communicate with through hole (11) respectively; A deep groove ball bearing (3) is connected in described left stepped hole (12) and right stepped hole (13); The left end of described holder axle (2), successively through the deep groove ball bearing (3) in right stepped hole (13) and the deep groove ball bearing (3) in left stepped hole (12), asks the left end of axle (2) to be fixed by jump ring (4) simultaneously; The right side of described holder axle (2) is positioned at holder sprocket wheel wheel body (1) outward, and described holder axle (2) is rotatable relative to holder sprocket wheel wheel body (1); Outside framework oil seal (5) and right end cap (6) is provided with in described right stepped hole (13), described outside framework oil seal (5) and right end cap (6) are arranged in holder axle (2), and outside framework oil seal (5) is positioned between the deep groove ball bearing (3) of right end cap (6) and right stepped hole (13); Be provided with left end cap (7) in described left stepped hole (12), described left end cap (7) is positioned at the left side of the deep groove ball bearing (3) of left stepped hole (12);
The right-hand member of described holder axle (2) is provided with pin hole (21); The right-hand member of described holder axle (2) is provided with hexagon check nut (8), and described hexagon check nut (8) is provided with some " U " type groove (81); When hexagon check nut (8) is connected on the right-hand member holding in the palm axle (2), wherein one " U " type groove (81) and pin hole (21) are harmonious, and latch is inserted in " U " type groove (81) with on pin hole (21), prevent hexagon check nut (8) from coming off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706705.5U CN204895632U (en) | 2015-09-14 | 2015-09-14 | Locking type of nut of excavator holds in palm sprocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520706705.5U CN204895632U (en) | 2015-09-14 | 2015-09-14 | Locking type of nut of excavator holds in palm sprocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204895632U true CN204895632U (en) | 2015-12-23 |
Family
ID=54917832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520706705.5U Expired - Fee Related CN204895632U (en) | 2015-09-14 | 2015-09-14 | Locking type of nut of excavator holds in palm sprocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204895632U (en) |
-
2015
- 2015-09-14 CN CN201520706705.5U patent/CN204895632U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180914 |