CN202899211U - Bucket tooth for engineering machinery and excavator utilizing bucket tooth - Google Patents
Bucket tooth for engineering machinery and excavator utilizing bucket tooth Download PDFInfo
- Publication number
- CN202899211U CN202899211U CN 201220585500 CN201220585500U CN202899211U CN 202899211 U CN202899211 U CN 202899211U CN 201220585500 CN201220585500 CN 201220585500 CN 201220585500 U CN201220585500 U CN 201220585500U CN 202899211 U CN202899211 U CN 202899211U
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- tooth
- projection
- toothholder
- tooth cover
- teeth
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Abstract
The utility model provides a bucket tooth for engineering machinery and an excavator utilizing the bucket tooth and belongs to the technical field of manufacture of engineering machinery. The bucket tooth comprises a tooth sleeve 1, a tooth seat 2 and a tooth pin (unshown in figures). The tooth sleeve 1 is provided with a joint slot 11, the tooth seat 2 is provided with a joint portion 21 matched with the joint slot 11, and both the joint slot 11 and the joint portion 21 are provided with pin holes 3. As shown in the figure 3, the tooth sleeve 1 and the tooth seat 2 are connected by matching of the tooth pin and the pin holes 3. By adding a retaining portion between the tooth sleeve and the tooth seat, relative motion of the tooth seat and the tooth sleeve is effectively prevented, stress uniformity is improved, impact on the tooth pin from the tooth sleeve is alleviated, and the tooth pin is effectively protected.
Description
Technical field
The utility model belongs to mechanical manufacturing field, relates to a kind of teeth, relates in particular to a kind of engineering machinery with teeth and uses the excavator of this teeth.
Background technology
The excavator teeth is the vitals of excavator, and is closely bound up with the work capacity of excavator, and be that the client pays close attention to all the time the application life of teeth, prolongs the application life of teeth, also is the work of always effort of research staff.
Teeth mainly is comprised of toothholder, tooth cover and alligator.The tooth cover is fixed on the toothholder by alligator.During teeth work, the tooth cover directly contacts with manipulating object, produce fretting wear, be subject to simultaneously larger percussion, rock operating mode is especially impacted and is caused tooth to be enclosed within on the toothholder head producing relative motion, alligator is produced impact force, long term causes the pin-and-hole distortion, becomes large, and alligator comes off, and the tooth cover is lost.
Before the utility model, the inventor finds prior art, and there are the following problems at least: research staff of the prior art is in order to increase the life-span of teeth, the normal high-wearing feature steel that adopt, adopt various quenching technicals, increase the fretting wear life-span of tooth cover, but cost compare is high, and the impact toughness of material and often bad mediation of hardness (being closely connected with anti-wear performance), on the cooperating of toothholder and tooth cover, consider less, usually form in the not worn out situation of tooth cover, alligator drops out, the phenomenon that the tooth cover is lost.
Therefore those skilled in the art is devoted to develop a kind of engineering machinery that effectively prevents the relative motion that toothholder and tooth overlap with teeth and uses the excavator of this teeth.
The utility model content
Now provide a kind of engineering machinery with teeth and use the excavator of this teeth, by increase stop part between tooth cover and toothholder, effectively prevent the relative motion of toothholder and tooth cover, strengthen stressed uniformity, minimizing tooth cover is effectively protected alligator to the impact of alligator.Concrete technical scheme is as follows:
A kind of engineering machinery teeth, comprise tooth cover, toothholder and alligator, described tooth puts and is provided with engagement groove, described toothholder is provided with the joint portion of matching with described engagement groove, be equipped with pin-and-hole on described engagement groove and the joint portion, by the described tooth cover of being connected of described alligator and pin-and-hole and toothholder, the inwall of the engagement groove of described tooth cover also is provided with the first projection and/or the first groove, also is provided with the second groove and/or the second projection that match with described the first projection and/or the first groove on the joint portion of described toothholder.
Preferably, the inwall of described tooth cover engagement groove is provided with the first projection, and the joint portion of described toothholder is provided with the second groove that matches with described the first projection.
Preferably, described the first projection is overlapped the pin-and-hole of engagement groove inwall not on the same side with described tooth.
Preferably, described the first projection is shaped as cuboid or triangular prism.
Preferably, the width of described the first projection is less than 1/2 of the width of described tooth cover engagement groove.
Preferably, the height of described the first projection is less than 1/4 of the height of described tooth cover engagement groove.
Preferably, the inwall of described tooth cover engagement groove also is provided with the 3rd projection, and the joint portion of described toothholder is provided with the 3rd groove that matches with described the 3rd projection.
A kind of excavator comprises such as above-mentioned engineering machinery teeth.
Technique scheme has following advantage or beneficial effect:
Can reduce the tooth cover to the impact of alligator, effectively protect alligator;
Can increase the bonded area of tooth cover and toothholder, effectively prevent the relative motion of tooth cover and toothholder, stressed more even each other;
When the tooth cover is subject to lateral force, prevent that effectively tooth from overlapping the rotation displacement of relative toothholder, reduce the active force to alligator.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the tooth cover of embodiment of the present utility model;
Fig. 2 is the structural representation of the toothholder of embodiment of the present utility model;
Fig. 3 is the structural representation of the teeth of embodiment of the present utility model.
Wherein, 1 is that tooth cover, 11 is that engagement groove, 12 is that the first projection, 2 is that toothholder, 21 is that joint portion, 22 is that the second groove, 3 is pin-and-hole.
The specific embodiment
Below with reference to drawings and Examples the utility model is done concrete explaination.
A kind of engineering machinery teeth of embodiment of the present utility model as shown in figs. 1 and 2 comprises tooth cover 1, toothholder 2 and alligator (not shown).Tooth cover 1 is provided with engagement groove 11, and toothholder 2 is provided with the joint portion 21 of matching with engagement groove 11, is equipped with pin-and-hole 3 on engagement groove 11 and the joint portion 21.And in conjunction with as shown in Figure 3, by be connected tooth cover 1 and the toothholder 2 of alligator and pin-and-hole 3.
As shown in figs. 1 and 2, the inwall of the engagement groove 11 of tooth cover 1 also is provided with the first projection the 12 and/or first groove (not shown), also is provided with the second groove 22 and/or the second protruding (not shown) that match with the first projection the 12 and/or first groove on the joint portion 21 of toothholder 2.
In embodiment of the present utility model, the inwall of the engagement groove 11 of tooth cover 1 can be provided with projection or groove or both combinations, also can be provided with the groove or projection or both combinations that cooperate with it on the joint portion 21 of toothholder 2.Embodiment of the present utility model is by recessing on toothholder; overlap inner correspondence position at tooth and add fin; by cooperating of groove and fin; increase the bonded area of tooth cover and toothholder; effectively prevent the relative motion of toothholder and tooth cover; strengthen stressed uniformity, reduce the tooth cover to the impact of alligator, effectively protect alligator.
As shown in figs. 1 and 2, in embodiment of the present utility model, the inwall that tooth overlaps 1 engagement groove 11 is provided with the first projection 12, and the joint portion 21 of toothholder 2 is provided with the second groove 22 that matches with the first projection 12.By offering groove in the joint portion 21 of the larger toothholder 2 of thickness, thereby improve the intensity of teeth.
In addition, as shown in fig. 1, in embodiment of the present utility model, the first projection 12 is overlapped the pin-and-hole 3 of 1 engagement groove, 11 inwalls not on the same side with tooth.Namely the direction of the tooth cover 1 that stops of the first projection 12 and the groove that cooperates with it, the relative displacement between the toothholder 2 is parallel with the center line of alligator.Therefore, can cooperate with the barrier effect of alligator to tooth cover 1, toothholder 2, on horizontal and vertical, tooth cover 1, toothholder 2 be formed and stop simultaneously, effectively prevent the rotation displacement of tooth cover 1 relative toothholder 2, reduce simultaneously the impact force to alligator.
As shown in fig. 1, in embodiment of the present utility model, the shape of the first projection 12 is preferably cuboid or triangular prism.And the width of preferred the first projection 12 overlap less than tooth 1 engagement groove 11 width 1/2, height overlap less than tooth 1 engagement groove 11 height 1/4, therefore reduce the intensity of teeth can not offer the groove that cooperates with it.
In addition, in embodiment of the present utility model, the inwall that tooth overlaps 1 engagement groove 11 also is provided with the 3rd protruding (not shown), and the joint portion 21 of toothholder 2 is provided with the 3rd groove that matches with the 3rd projection.Reach in the present embodiment, can be provided with a plurality of projections or groove, to increase the bonded area of tooth cover and toothholder, effectively prevent the relative motion of tooth cover and toothholder.
A kind of excavator of embodiment of the present utility model comprises such as above-mentioned engineering machinery teeth, thereby effectively protects alligator in practical operation.
More than specific embodiment of the utility model is described in detail, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not breaking away from impartial conversion and the modification of doing under the spirit and scope of the present utility model, all should be encompassed in the scope of the present utility model.
Claims (8)
1. engineering machinery teeth, comprise tooth cover (1), toothholder (2) and alligator, described tooth cover (1) is provided with engagement groove (11), described toothholder (2) is provided with the joint portion (21) of matching with described engagement groove (11), be equipped with pin-and-hole (3) on described engagement groove (11) and joint portion (21), be connected described tooth cover (1) and toothholder (2) by described alligator and pin-and-hole (3), it is characterized in that, the inwall of the engagement groove (11) of described tooth cover (1) also is provided with the first projection (12) and/or the first groove, also is provided with the second groove (22) and/or the second projection that matches with described the first projection (12) and/or the first groove on the joint portion (21) of described toothholder (2).
2. engineering machinery teeth as claimed in claim 1, it is characterized in that, the inwall of described tooth cover (1) engagement groove (11) is provided with the first projection (12), and the joint portion (21) of described toothholder (2) is provided with the second groove (22) that matches with described the first projection (12).
3. engineering machinery teeth as claimed in claim 2 is characterized in that, the pin-and-hole (3) of described the first projection (12) and described tooth cover (1) engagement groove (11) inwall is not on the same side.
4. engineering machinery teeth as claimed in claim 3 is characterized in that, described the first projection (12) be shaped as cuboid or triangular prism.
5. engineering machinery teeth as claimed in claim 4 is characterized in that, the width of described the first projection (12) is less than 1/2 of the width of described tooth cover (1) engagement groove (11).
6. engineering machinery teeth as claimed in claim 5 is characterized in that, the height of described the first projection (12) is less than 1/4 of the height of described tooth cover (1) engagement groove (11).
7. engineering machinery teeth as claimed in claim 6 is characterized in that, the inwall of described tooth cover (1) engagement groove (11) also is provided with the 3rd projection, and the joint portion (21) of described toothholder (2) is provided with the 3rd groove that matches with described the 3rd projection.
8. an excavator is characterized in that, comprises such as claim 1 to 7 engineering machinery teeth as described in each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585500 CN202899211U (en) | 2012-11-08 | 2012-11-08 | Bucket tooth for engineering machinery and excavator utilizing bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585500 CN202899211U (en) | 2012-11-08 | 2012-11-08 | Bucket tooth for engineering machinery and excavator utilizing bucket tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202899211U true CN202899211U (en) | 2013-04-24 |
Family
ID=48119899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220585500 Expired - Fee Related CN202899211U (en) | 2012-11-08 | 2012-11-08 | Bucket tooth for engineering machinery and excavator utilizing bucket tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202899211U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452870A (en) * | 2014-11-26 | 2015-03-25 | 柳州金特机械有限公司 | Excavator bucket tooth |
| CN104480992A (en) * | 2014-12-11 | 2015-04-01 | 柳州柳工挖掘机有限公司 | Excavator bucket tooth connection mechanism |
| CN112127418A (en) * | 2020-10-16 | 2020-12-25 | 三一重机有限公司 | Bucket tooth assembly, excavator bucket and excavator |
-
2012
- 2012-11-08 CN CN 201220585500 patent/CN202899211U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452870A (en) * | 2014-11-26 | 2015-03-25 | 柳州金特机械有限公司 | Excavator bucket tooth |
| CN104480992A (en) * | 2014-12-11 | 2015-04-01 | 柳州柳工挖掘机有限公司 | Excavator bucket tooth connection mechanism |
| CN112127418A (en) * | 2020-10-16 | 2020-12-25 | 三一重机有限公司 | Bucket tooth assembly, excavator bucket and excavator |
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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: 20130424 Termination date: 20191108 |