CN202186444U - Chain link for caterpillar traveling device - Google Patents
Chain link for caterpillar traveling device Download PDFInfo
- Publication number
- CN202186444U CN202186444U CN2011202616382U CN201120261638U CN202186444U CN 202186444 U CN202186444 U CN 202186444U CN 2011202616382 U CN2011202616382 U CN 2011202616382U CN 201120261638 U CN201120261638 U CN 201120261638U CN 202186444 U CN202186444 U CN 202186444U
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- China
- Prior art keywords
- chain link
- mounting hole
- link body
- threaded hole
- salient
- Prior art date
- 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 relates to a caterpillar traveling device of large-size machinery, and provides a chain link for a caterpillar traveling device, which is light in weight, high in strength and low in cost, is energy-saving and comprises a chain link body. A connecting pin mounting hole and a shaft sleeve mounting hole are respectively disposed at two ends of the chain link body, a mounting portion connected with a caterpillar plate is defined on the chain link body, and is provided with a bump with a threaded hole, and the bump is disposed between the connecting pin mounting hole and the shaft sleeve mounting hole at intervals.
Description
Technical field
The utility model relates to the track unit of big machinery, and particularly a kind of track unit is used chain link.
Background technology
The running gear of heavy-duty machinery such as excavating machine, bulldozer generally is made up of drive wheel, track adjusting wheel, caterpillar wheel, support roller and crawler belt.Wherein crawler belt has two kinds of integral type and compound types, and entire track is that the band engaging tooth meshes with drive wheel on the caterpillar block, and caterpillar block itself becomes the roller track of wheel such as caterpillar wheel, and it is easily manufactured, but quick abrasion.
Like Fig. 1, be the structural representation of compound type crawler belt, it mainly is made up of caterpillar block 1 ' and the chain link assembly 2 ' be located on the caterpillar block 1 '; The axle sleeve 23 ' that said chain link assembly 2 ' comprises left chain link 21 ', right chain link 22 ' and connects left and right chain link is formed, and connects axle sleeve 23 ' in-to-in connecting pin 24 ' the chain link assembly is linked in sequence successively by inserting, and said each links is crossed two bolts and is connected with caterpillar block; And fastening by two nuts, for this reason, need have the space that two punchings 221 ' are used for jam nut with the perpendicular face of bolt axis direction on the said left and right chain link; The lower surface of said two punchings is the locking binding face 25 ' of nut, this compound type crawler belt, and characteristics are that pitch is little; Rotating property is good, and the speed of travel of excavating machine is fast, and it is long that also compare entire track service life; Therefore be widely used in the various big machinery running gears, still, because the chain link that the compound type crawler belt uses generally adopts high strength, crash-resistant material to be prerequisite with et out of order not; So its weight is bigger than normal in any case, the number of track link group will reach more than 80 groups at least on construction machinery and equipment, even therefore the individual unit weight of chain link is little; As assembly set weight also is very large; Weight is big, and propulsive effort is relative consumption many, energy-conservation inadequately also.In addition; This compound type crawler belt will produce very big impact load in case of impacting in motion, and application force can concentrate on the periphery of chain link upper bolt hole, often causes the periphery be full of cracks of chain link bolt hole; Cause the damaged phenomenon of chain link, thereby influence the service life of crawler belt.
Summary of the invention
Therefore, to above-mentioned problem, the utility model propose a kind of in light weight, intensity is high, track unit energy-conservation, that cost is low is used chain link.
For solving this technical matters; The utility model is taked following scheme: a kind of track unit is used chain link; Comprise the chain link body; Said chain link body two ends is respectively equipped with connecting pin mounting hole and axle sleeve mounting hole, defines the installation portion that said chain link body has and the shoe plate is connected, and between connecting pin mounting hole and axle sleeve mounting hole, is interval with salient with threaded hole on the said installation portion.
Further improve and be: salient with threaded hole is two on the chain link body installation portion.
Further improve and be: said chain link body two the middle of salient periphery with threaded hole partly form thin-walled than chain link body periphery.
Further improve and be: said chain link body middle part offers slotted eye on the thin-walled between two salients with threaded hole.
Through adopting the aforementioned techniques scheme; The beneficial effect of the utility model is: this novel crawler running gear with chain link its with carry out the installation portion that plate is connected between connecting pin mounting hole and axle sleeve mounting hole, be interval with two salients with threaded hole; Its tapped bore is located in the salient with the osed top form; Chain link and carry out binding bolt between the plate and directly pass the screwhole spiro bonding carried out on the plate in this tapped bore has been saved the nut that binding bolt is used, and need not on chain link, to offer the locked position of punching 221 ' as nut; This novel at the position of stress concentration the wall thickness of salient with threaded hole process close with the wall thickness at chain link periphery position; Strengthen the intensity of chain link bolt hole periphery, avoided that stress concentrates near the bolt hole in the prior art, caused the phenomenon of chain link bolt hole periphery be full of cracks; The phenomenon that nut and bolt looseness can not take place yet in case of clashing into when crawler belt goes simultaneously, firm and reliable connection; In addition; This novel crawler running gear is made into thin-wall construction with the position that chain link stress is not concentrated with chain link under the situation of not damaging its section intensity, also offer slotted eye on the thin-walled, has saved raw MAT'L; Cut down the unit weight of chain link simultaneously; Can significantly cut down as the weight that connects the crawler belt that a plurality of chain link constituted, avoid prior art to cause the consumption of propulsive effort greatly because of crawler belt weight, energy-conservation and cost is low.
Description of drawings
Fig. 1 is prior art caterpillar block and chain link mounting structure scheme drawing;
Fig. 2 is the utility model link configuration scheme drawing;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view Amplified image of Fig. 2.
The specific embodiment
Combine the accompanying drawing and the specific embodiment that the utility model is further specified at present.
Referring to figs. 2 to Fig. 4; Embodiment discloses a kind of track unit and uses chain link, comprises chain link body 1, and said chain link body 1 two ends is respectively equipped with connecting pin mounting hole 11 and axle sleeve mounting hole 12; Define the installation portion 13 that said chain link body 1 has and the shoe plate is connected; Between connecting pin mounting hole 11 and axle sleeve mounting hole 12, be interval with two with threaded hole 132 salient 131 on the said installation portion 13, its tapped bore 132 is located in the salient 131 with the osed top form, and the binding bolt between chain link and the shoe plate passes the screw of carrying out on the plate and directly is screwed in this chain link salient tapped bore 132; Economized the nut that binding bolt uses and need not on chain link, to offer the locked position of punching 221 ' as nut; Strengthen the intensity of chain link bolt hole periphery, avoided that stress concentrates near the bolt hole in the prior art, caused the phenomenon of chain link bolt hole periphery be full of cracks; The phenomenon that nut and bolt looseness can not take place yet in case of clashing into when crawler belt goes simultaneously, firm and reliable connection.
Said chain link body two the middle of salient 131 peripheries with threaded hole partly form thin-walled 14 than chain link body 1 periphery; Said chain link body 1 middle part offers slotted eye 141 on the thin-walled 14 between two salients 131 with threaded hole; The position of under the situation of not damaging chain link section intensity, chain link stress not being concentrated is made into thin-wall construction, also offers slotted eye on the thin-walled, has saved raw MAT'L; Cut down the unit weight of chain link simultaneously; Can significantly cut down as the weight that connects the crawler belt that a plurality of chain link constituted, avoid prior art to cause the consumption of propulsive effort greatly because of crawler belt weight, energy-conservation and cost is low.
The above record is merely the embodiment that utilizes this origination techniques content, anyly is familiar with modification, the variation that this creation of this art utilization is made, and all belongs to the claim of this creation opinion, and is not limited to embodiment announcement person.
Claims (4)
1. a track unit is used chain link; Comprise chain link body (1); Said chain link body (1) two ends is respectively equipped with connecting pin mounting hole (11) and axle sleeve mounting hole (12); It is characterized in that: define said chain link body (1) and have and carry out the installation portion (13) that plate is connected, be positioned on the said installation portion (13) between connecting pin mounting hole (11) and the axle sleeve mounting hole (12) and be interval with salient with threaded hole (131).
2. track unit according to claim 1 is used chain link, it is characterized in that: it is two that chain link body installation portion (13) is gone up salient (131) with threaded hole.
3. track unit according to claim 2 is used chain link, it is characterized in that: said chain link body two the middle of salient (131) periphery with threaded hole partly form thin-walled (14) than chain link body (1) periphery.
4. track unit according to claim 3 is used chain link, it is characterized in that: said chain link body (1) middle part is positioned on the thin-walled (14) between two salients with threaded hole (13) and offers slotted eye (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202616382U CN202186444U (en) | 2011-07-21 | 2011-07-21 | Chain link for caterpillar traveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202616382U CN202186444U (en) | 2011-07-21 | 2011-07-21 | Chain link for caterpillar traveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202186444U true CN202186444U (en) | 2012-04-11 |
Family
ID=45917910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202616382U Expired - Fee Related CN202186444U (en) | 2011-07-21 | 2011-07-21 | Chain link for caterpillar traveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202186444U (en) |
-
2011
- 2011-07-21 CN CN2011202616382U patent/CN202186444U/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 |
Granted publication date: 20120411 Termination date: 20140721 |
|
| EXPY | Termination of patent right or utility model |