CN213653588U - Sharp rock drilling bucket tooth - Google Patents
Sharp rock drilling bucket tooth Download PDFInfo
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- CN213653588U CN213653588U CN202022273601.3U CN202022273601U CN213653588U CN 213653588 U CN213653588 U CN 213653588U CN 202022273601 U CN202022273601 U CN 202022273601U CN 213653588 U CN213653588 U CN 213653588U
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Abstract
The utility model belongs to the technical field of the excavator spare part, especially, relate to a sharp rock drilling bucket tooth, including the bucket tooth body, the bucket tooth body is connected an overall structure of constituteing by prong, tooth body and connecting portion, is provided with assembly notch and circular jack on the connecting portion, and wherein, the up end of tooth body is provided with the first notch that is used for rock debris to leading to side with the junction of side around with, and the second notch that is used for holding rock debris is still offered to the lower terminal surface of tooth body. After in the prong entered into the rock, outwards discharge the rock piece through the first notch of tooth body both sides to collect the rock piece through the second notch, thereby under equal dynamics, make the tooth body can more effectual broken go into the rock in, and more deepen, and set up the weight that the second notch not only can reduce whole bucket tooth, but also can make whole bucket tooth after entering into the rock completely, outwards extract that can be quick, and then the effectual speed of breaking open the rock that has improved.
Description
Technical Field
The utility model belongs to the technical field of the excavator spare part, especially, relate to a sharp rock drilling bucket tooth.
Background
The excavator bucket tooth is an important part on an excavator, is similar to a tooth of a person, is also a wearing part, is a combined bucket tooth consisting of a tooth holder and a tooth tip, and is connected with the tooth holder and the tooth tip through a pin shaft. For different working environments, the bucket teeth used for achieving the highest working efficiency are different, so that various bucket teeth, such as a sand bucket tooth, a coal bucket tooth, an industrial and mining bucket tooth and the like, appear.
The Chinese patent application with the publication number of CN102653949A discloses an excavator bucket tooth, which comprises a tooth holder with a mounting part and a bucket tooth with a connecting part, wherein the two connecting parts of the tooth holder mounting part and the bucket tooth are provided with pin holes on the same axial lead, the mounting part of the tooth holder is inserted between the two connecting parts of the bucket tooth and is fixedly connected with a clamp spring through a pin, the pin is provided with an annular groove, and the clamp spring is clamped in the annular groove. The bucket teeth are easy-to-wear parts and need to be produced in large batch so as to be replaced at any time, and the counter bores are formed in the bucket teeth, so that materials needed for producing the bucket teeth can be reduced, the production cost is reduced, and the processing is convenient.
Above-mentioned bucket tooth has only played easy to assemble's effect, however to the bucket tooth of excavating the rock, not only need easy to assemble, more importantly will have superstrong sharpness and wearability, and the bucket tooth is broken the rock in entering into the rock more easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem that above-mentioned exists, provide a sharp rock drilling bucket tooth that breaks open the rock that can be quick.
The purpose of the utility model is realized like this: the utility model provides a sharp rock drilling bucket tooth, includes the bucket tooth body, an overall structure that the bucket tooth body is connected gradually by prong, tooth body and connecting portion and is constituteed, be provided with the circular jack that is located the assembly notch on its link and is located its side and feed through assembly notch on the connecting portion, its characterized in that: the bucket tooth body is the dentate structure that the up and down terminal surface is certain contained angle, the junction of the up end of tooth body and front and back side is provided with and is used for carrying out the first notch that leads rock piece to side, the second notch that is used for holding rock piece is still offered to the lower terminal surface of tooth body.
By adopting the technical scheme, the bucket tooth mainly comprises a tooth tip, a tooth body and a connecting part, and the whole bucket tooth body is arranged on a tooth seat of the excavator through the connecting part; for excavating mountain bodies, bucket teeth need to be hard, sharp and wear-resistant, and therefore, a first notch used for guiding rock fragments to the side direction is formed in the joint of the upper end face and the front side face and the rear side face of the tooth body, and a second notch used for containing the rock fragments is formed in the lower end face of the tooth body; after in the prong entered into the rock, outwards discharge the rock piece through the first notch of tooth body both sides to collect the rock piece through the second notch, thereby under equal dynamics, make the tooth body can more effectual broken go into the rock in, and more deepen, and set up the weight that the second notch not only can reduce whole bucket tooth, but also can make whole bucket tooth after entering into the rock completely, outwards extract that can be quick, and then the effectual speed of breaking open the rock that has improved.
The utility model discloses further set up to: the both ends of first notch extend to respectively on prong and the connecting portion, just the degree of depth and the width of first notch by the prong to connecting portion reduce after the crescent earlier.
Through adopting above-mentioned technical scheme, with the degree of depth and the width of first notch by the prong to the setting that reduces gradually after connecting portion increase gradually earlier to improve rock debris and derive efficiency.
The utility model discloses further set up to: the two ends of the second notch extend to the tooth point and the connecting part respectively, and the depth of the second notch is gradually increased from the tooth point to the connecting part.
Through adopting above-mentioned technical scheme, the degree of depth with the second notch is set up by the prong to connecting portion crescent for the tooth body is back in getting into the rock, and the second notch can hold more rock fragments.
The utility model discloses further set up to: the first notch and the second notch are both concave arc structures.
By adopting the technical scheme, the first notch and the second notch are arranged to be of concave arc structures so as to facilitate processing and reduce abrasion,
the utility model discloses further set up to: the tooth tip and the lower end face of the tooth body are on the same plane, and the included angle between the upper end face and the lower end face of the tooth tip is larger than that between the upper end face and the lower end face of the tooth body by 10-12 degrees.
By adopting the technical scheme, because the rock is very tough, in order to enable the tooth tip to be rapidly broken into the rock, the included angle between the upper end surface and the lower end surface of the tooth tip is larger than that between the upper end surface and the lower end surface of the tooth body, and when the included angle is about 10-12 degrees, the tooth tip is not easily abraded by the rock.
The utility model discloses further set up to: the height of the end face of the tooth tip side is 10mm-12mm, the included angle of the front end face and the rear end face of the tooth tip is larger than that of the front end face and the rear end face of the tooth body, and the difference between the included angle of the front end face and the rear end face of the tooth tip and the included angle of the front end face and the rear end.
Through adopting above-mentioned technical scheme, the contained angle setting of terminal surface around being greater than the tooth body with the contained angle of tip front and back terminal surface for the prong demonstrates the spine portion of platykurtic, in order can be quick break into the rock.
The utility model discloses further set up to: the joints between the adjacent surfaces on the bucket tooth body are all transited by arc angles.
By adopting the technical scheme, the connecting parts between the adjacent surfaces on the bucket tooth body are all arranged in a transition mode through the arc angles, so that the whole bucket tooth body is smooth, and the wear resistance of the bucket tooth body is improved.
The utility model has the advantages that: the utility model is provided with a first notch for guiding the rock fragments to the side at the joint of the upper end surface and the front and back side surfaces of the tooth body, and a second notch for accommodating the rock fragments is arranged on the lower end surface of the tooth body; after in the prong entered into the rock, outwards discharge the rock piece through the first notch of tooth body both sides to collect the rock piece through the second notch, thereby under equal dynamics, make the tooth body can more effectual broken go into the rock in, and more deepen, and set up the weight that the second notch not only can reduce whole bucket tooth, but also can make whole bucket tooth after entering into the rock completely, outwards extract that can be quick, and then the effectual speed of breaking open the rock that has improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of another view angle of the present invention;
fig. 3 is a schematic structural view of another view angle of the present invention;
the reference numbers in the figures are: 1. a tooth tip; 2. a tooth body; 21. a first notch; 22. a second notch; 3. a connecting portion; 31. assembling the notch; 32. a circular jack; 33. and (5) reinforcing ribs.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a sharp rock drilling bucket tooth is shown in figures 1, 2 and 3 and comprises a bucket tooth body, and joints between adjacent surfaces on the bucket tooth body are all transited by arc angles, so that good wear resistance can be achieved;
wherein, the bucket tooth body is by prong 1, an overall structure that tooth body 2 and connecting portion 3 connect gradually and constitute, be provided with the circular jack 32 that is located the assembly notch 31 on its link and is located its side and feed through assembly notch 31 on connecting portion 3, circular jack 32 has two, and be located both sides respectively, the bucket tooth body is the dentate structure of certain contained angle for terminal surface from top to bottom, the up end of tooth body 2 is provided with the first notch 21 that is used for carrying out the rock piece to side with the junction of front and back side, the second notch 22 that is used for holding the rock piece is still offered to the lower terminal surface of tooth body 2.
The bucket tooth mainly comprises a tooth tip 1, a tooth body 2 and a connecting part 3, and the whole bucket tooth body is arranged on a tooth seat of the excavator through the connecting part 3; for excavating mountain bodies, bucket teeth need to be hard, sharp and wear-resistant, and for this reason, the utility model discloses both sides at connecting portion 3, namely both ends with the same side of circular jack 32 are provided with strengthening ribs 33, wherein, strengthening rib 33 is located the middle part of connecting portion side end face, and both ends extend to the tip of tooth body 2 and connecting portion 3 respectively, through setting up strengthening rib 33, in order to improve the intensity of connecting portion 3 self and the connection intensity of tooth body 2 and connecting portion 3; a first notch 21 for guiding rock debris to the side is arranged at the joint of the upper end surface and the front and rear side surfaces of the tooth body 2, and a second notch 22 for accommodating the rock debris is arranged on the lower end surface of the tooth body 2; after in 1 entering into the rock at the prong, the first notch 21 through 2 both sides of tooth body outwards discharges the rock piece, and collect the rock piece through second notch 22, thereby under equal dynamics, make tooth body 2 can be more effectual break go into the rock in, and more deepen, and set up second notch 22 and not only can reduce the weight of whole bucket tooth, but also can make whole bucket tooth enter into the rock in the back completely, outwards extract that can be quick, and then the effectual speed that breaks the rock that has improved.
Preferably, as shown in fig. 2 and 3, two ends of the first notch 21 extend to the tooth tip 1 and the connecting portion 3 respectively, and the depth and the width of the first notch 21 are gradually increased from the tooth tip 1 to the connecting portion 3 and then gradually decreased; the two ends of the second notch 22 extend to the tooth point 1 and the connecting portion 3 respectively, and the depth of the second notch 22 is gradually increased from the tooth point 1 to the connecting portion 3. By adopting the technical scheme, the efficiency of leading the rock debris out of the first notch 21 is improved, and the second notch 22 can accommodate more rock debris.
Preferably, the first notch 21 and the second notch 22 are configured to be concave arc structures, so as to facilitate processing and reduce abrasion,
optimally, the lower end surfaces of the tooth tip 1 and the tooth body 2 are on the same plane, the included angle between the upper end surface and the lower end surface of the tooth tip 1 is larger than that between the upper end surface and the lower end surface of the tooth body 2, the included angle between the upper end surface and the lower end surface of the tooth tip 1 is 28-30 degrees, and the included angle between the upper end surface and the lower end surface of the tooth body 2 is about 18 degrees. Because the rock is very tough, in order to enable the tooth point 1 to be rapidly broken into the rock, the included angle between the upper end surface and the lower end surface of the tooth point 1 is larger than the included angle between the upper end surface and the lower end surface of the tooth body 2, and when the included angle is about 10-12 degrees, the tooth point 1 is not easily abraded by the rock.
The utility model discloses further set up to: the height of the end face of the tooth tip 1 side is 10mm-12mm, the width of the side face of the tooth tip 1 side is 58mm-60mm, the included angle of the front end face and the rear end face of the tooth tip 1 is larger than the included angle of the front end face and the rear end face of the tooth body 2, the included angle of the front end face and the rear end face of the tooth tip 1 is 37-40 degrees, and the included angle of the front end face and the rear end face of the tooth body 2 is 9. Through adopting above-mentioned technical scheme for tooth point 1 presents the flat spine portion to can be quick break into in the rock.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a sharp rock drilling bucket tooth, includes the bucket tooth body, the bucket tooth body is connected gradually an overall structure of constituteing by prong (1), tooth body (2) and connecting portion (3), be provided with on connecting portion (3) and be located assembly notch (31) on its link and be located circular jack (32) of its side and intercommunication assembly notch (31), its characterized in that: the bucket tooth body is the dentate structure that the terminal surface is certain contained angle about for, the up end of tooth body (2) is provided with first notch (21) that are used for rock piece to the side direction with the junction of front and back side, second notch (22) that are used for holding the rock piece are still offered to the lower terminal surface of tooth body (2).
2. A sharp rock drilling tooth as claimed in claim 1, characterised in that: the both ends of first notch (21) extend to respectively on prong (1) and connecting portion (3), just the degree of depth and the width of first notch (21) by prong (1) to connecting portion (3) increase gradually earlier the back reduces gradually.
3. A sharp rock drilling tooth as claimed in claim 1, characterised in that: the both ends of second notch (22) extend to respectively on prong (1) and connecting portion (3), just the degree of depth of second notch (22) by prong (1) to connecting portion (3) increase gradually.
4. A sharp rock drilling tooth according to any one of claims 1 to 3, characterised in that: the first notch (21) and the second notch (22) are both of concave arc structures.
5. A sharp rock drilling tooth as claimed in claim 1, characterised in that: the lower end faces of the tooth tip (1) and the tooth body (2) are on the same plane, and the included angle between the upper end face and the lower end face of the tooth tip (1) is larger than that between the upper end face and the lower end face of the tooth body (2) and is 10-12 degrees different from each other.
6. A sharp rock drilling tooth as claimed in claim 5, characterised in that: the included angle of the front end surface and the rear end surface of the tooth tip (1) is larger than that of the front end surface and the rear end surface of the tooth body (2), and the difference between the included angle and the included angle is 28-30 degrees.
7. A sharp rock drilling tooth as claimed in claim 1, characterised in that: the height of the end face of the tooth tip (1) side is 10mm-12 mm.
8. A sharp rock drilling tooth as claimed in claim 1, characterised in that: the joints between the adjacent surfaces on the bucket tooth body are all transited by arc angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273601.3U CN213653588U (en) | 2020-10-13 | 2020-10-13 | Sharp rock drilling bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273601.3U CN213653588U (en) | 2020-10-13 | 2020-10-13 | Sharp rock drilling bucket tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213653588U true CN213653588U (en) | 2021-07-09 |
Family
ID=76700708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022273601.3U Active CN213653588U (en) | 2020-10-13 | 2020-10-13 | Sharp rock drilling bucket tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213653588U (en) |
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2020
- 2020-10-13 CN CN202022273601.3U patent/CN213653588U/en active Active
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