CN104612203A - High-abrasion-resistance excavator bucket tooth with external chilling reinforcing ribs - Google Patents
High-abrasion-resistance excavator bucket tooth with external chilling reinforcing ribs Download PDFInfo
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- CN104612203A CN104612203A CN201510057317.3A CN201510057317A CN104612203A CN 104612203 A CN104612203 A CN 104612203A CN 201510057317 A CN201510057317 A CN 201510057317A CN 104612203 A CN104612203 A CN 104612203A
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- bucket tooth
- crown
- quench
- reinforcing rib
- bucket
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Abstract
The invention provides a high-abrasion-resistance excavator bucket tooth with external chilling reinforcing ribs. The excavator bucket tooth comprises a bucket tooth body and the external chilling reinforcing ribs arranged on the front side and the rear side of the bucket tooth body. The bucket tooth body comprises an installing region, a working region and a tooth point. The chilling reinforcing ribs are multiple cylindrical structures distributed in longitudinal columns and parallel to the length direction of the bucket tooth, a cutting bevel is arranged at the position, close to the tooth point, of each chilling reinforcing rib, the chilling reinforcing ribs are solidified preferentially in the casting and solidifying process of the bucket tooth and form a chilling effect on the bucket tooth body on the inner side to promote grain refinement of the bucket tooth, and the tissue is more uniform, so that the bucket tooth has higher rigidity and better shock resistance in the excavating process and is effectively prevented from being damaged by a hard object, and the passing performance of excavating and the abrasion resistance of the bucket tooth are improved. The bucket tooth is simple in structure, capable of improving excavating efficiency and reducing energy consumption of a machine and wide in application range, and the service life of the bucket tooth is prolonged.
Description
Technical field
The present invention relates to a kind of excavator accessory, particularly one has external Quench reinforcing rib high abrasion excavator bucket teeth.
Background technology
Excavator bucket teeth is the vitals on excavator, the Dipper Teeth be made up of toothholder and crown, is easy loss parts.Force analysis bucket tooth work plane with excavated thing and contacted, its stressing conditions of working stage different in a complete mining process is different.When first crown position contacts material surface, due to speed, bucket tooth nose part is subject to stronger impact.If the yield strength of bucket tooth is low, will produce plastic strain in tip, along with the increasing of excavation depth, bucket tooth stressing conditions can change to some extent.When bucket tooth cutting material, bucket tooth and material generation relative motion, produce very large forward extrusion power on surface, thus produce larger frictional force between bucket tooth work plane and material.If material is harder rock block, concrete etc., frictional force is very large, and this process repeated action at bucket tooth work plane generation surface abrasion in various degree, and then can produce the larger ditch dug with a plow of the degree of depth, affects the application life of bucket tooth.
The application life of bucket tooth is very short, and change relatively frequent, not only have impact on operating efficiency, and waste a large amount of raw material, common bucket tooth intensity is low, wears no resistance, easily ruptures, and cost of production is high and technique is poor, application life and mining ability low.In order to increase work efficiency, the bucket tooth that can only usually more renew, considerably increases use cost like this.
Summary of the invention
For solving the problem, the invention discloses one and there is external Quench reinforcing rib high abrasion excavator bucket teeth, bucket tooth main body is provided with parallel cylindricality Quench reinforcing rib, make bucket tooth intensity when excavation soil higher, abrasion resistance and resistance to impact better, improve its digging efficiency, reduce the power consumption of machine, extend the application life of bucket tooth.
For achieving the above object, the present invention proposes following technical scheme:
One has external Quench reinforcing rib high abrasion excavator bucket teeth, comprise: bucket tooth main body, described bucket tooth main body comprises: installing zone, workspace and crown, described installing zone is provided with installing hole, for being connected with bucket tooth seat, described workspace is between crown and installing zone, and described excavator bucket teeth also comprises: Quench reinforcing rib, described Quench reinforcing rib is arranged at the both sides, front and back of bucket tooth main body, and described Quench reinforcing rib is several column constructions of the length direction file arrangement being parallel to bucket tooth.
Further, described Quench reinforcing rib dense arrangement, in the both sides, front and back of bucket tooth main body, accounts for more than 50% of two sides, the front and back gross area, accounts for more than 75% of the workspace gross area, account for the crown gross area more than 80%.
Further, described workspace and installing zone junction adopt arc surface transition, and described workspace thickness is 1/5 ~ 3/5 of installing zone thickness, and described workspace reduces gradually to crown thickness, and described crown is isosceles trapezoid.
Further, described column construction is provided with cutting inclined-plane near crown operative end surface place, cut the width of inclined-plane near crown operative end surface place and be greater than the width of cutting inclined-plane near column construction, described cutting inclined-plane connects with described crown operative end surface, and formed by the cutting inclined-plane of two sides, cutting angle is less than 50 °.
Further, be provided with gap between described column construction, described gap is parallel with described column construction.
Further, described in be arranged at bucket tooth main body both sides Quench reinforcing rib have 4-30 root, Quench reinforcing rib length is 1/10 ~ 1 of bucket tooth principal length, is highly 1 ~ 40mm, and width is 2 ~ 30mm, and gap width is 1 ~ 40mm.
Further, described column construction reduces from installing zone gradually to crown height.
Further, described column construction cross sectional shape comprises: circular arc, triangle, rectangle and trapezoidal.
Order of the present invention is to provide one to have external Quench reinforcing rib high abrasion excavator bucket teeth, bucket tooth main body both sides are provided with the parallel cylindricality Quench reinforcing rib of file, make bucket tooth even tissue, crystal grain is tiny, stressed evenly, bucket tooth intensity when excavation is higher, abrasion resistance is better, effectively can avoid grit, rock, the blocking such as concrete and infringement, that improves bucket tooth excavation passes property, improve its digging efficiency, reduce the power consumption of machine, extend the application life of bucket tooth, reduce bucket tooth and excessively use the situation occurring fracture, improve the strength and stability of bucket tooth.
Accompanying drawing explanation
Fig. 1 is the structure schematic front view of the bucket tooth main body not being provided with Quench reinforcing rib;
Fig. 2 is the structure schematic side view of the bucket tooth main body not being provided with Quench reinforcing rib;
Fig. 3 is the structure schematic front view that the present invention has the excavator bucket teeth of Quench reinforcing rib;
Fig. 4 is the structure schematic side view that the present invention has the excavator bucket teeth of Quench reinforcing rib;
Fig. 5 is the A-A sectional view in the structure schematic side view figure of the excavator bucket teeth with Quench reinforcing rib.
Implication in figure representated by each label: bucket tooth main body---1, Quench reinforcing rib---2, installing zone---11, workspace---12, crown---13, installing hole---111, crown operative end surface---131, column construction---21, gap---22, cut inclined-plane---211, etc. width section---and 221, contraction section---222.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is explained in further detail.Be to be understood that, specific embodiment described herein is only for explaining the present invention, be not intended to limit the present invention, it should be noted that, the following describes the word " front " of middle use and " afterwards " refer to respectively Fig. 1 schematic diagram just facing to this face of peace row another side towards.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is further described.
One has external Quench reinforcing rib high abrasion excavator bucket teeth, comprise bucket tooth main body 1 and Quench reinforcing rib 2, described bucket tooth main body 1 is as Fig. 1, shown in Fig. 2, described bucket tooth main body 1 comprises installing zone 11, workspace 12 and crown 13, described installing zone 11, workspace 12 and crown 13 are integral type structure, described installing zone 11 is provided with installing hole 111, for being connected with bucket tooth seat, described workspace 12 is between crown 13 and installing zone 11, described workspace 12 adopts arc surface transition with installing zone 11 junction, described workspace thickness is 1/5 ~ 3/5 of installing zone 11 thickness, described workspace 12 to crown 13 thickness reduces gradually, described crown 13 is in isosceles trapezoid, crown operative end surface 131 shape is rectangle, effectively reduce the area of crown operative end surface 131, when carrying out digging operation, crown operative end surface 131 is little with contact area of ground, and workspace 12 thickness is significantly less than installing zone 11, effectively reduce the cutting angle of crown 13 and workspace 12, the resistance be subject to during excavation is less, more easily insert ground, digging efficiency is high, but easily rupture at work with crown 13 in the workspace 12 that thickness is little, therefore need to arrange Quench reinforcing rib 2 as above.
As Fig. 3, Fig. 4, described Quench reinforcing rib 2 dense arrangement is in the both sides, front and back of bucket tooth main body 1, account for more than 50% of two sides, the front and back gross area, account for more than 75% of workspace 12 gross area, account for the crown gross area more than 80%, described Quench reinforcing rib 2 is several column constructions 21 of arranging with the length direction file being parallel to bucket tooth, described column construction 21 reduces from installing zone 11 highly gradually to crown 13, described column construction 21 is provided with near crown operative end surface 131 place and cuts inclined-plane 211, cut the width of inclined-plane 211 near crown operative end surface 131 place and be greater than the width of cutting inclined-plane 211 near column construction 21, described cutting inclined-plane 211 connects with described crown operative end surface 131, formed by the cutting inclined-plane 211 of two sides, cutting angle is less than 50 °, described cutting inclined-plane 211 length is less than crown 13 length, gap 22 is provided with between described column construction 21, described gap 22 is parallel with described column construction 21, the width section such as described gap 22 comprises 221 and contraction section 222, the width section 221 optional position width such as described is equal, the width of described contraction section 222 is contracted to 0 gradually, the width section 221 such as described is arranged between described column construction 21 to cutting inclined-plane 211, described contraction section 222 to be arranged between described chip inclined-plane 221 to crown operative end surface 131 and to be 0 on chip inclined-plane 221 with crown operative end surface 131 intersection width.Compare traditional bucket tooth with reinforcing rib, the bucket tooth of structure of the present invention is in digging operation, it is good that the position of bucket tooth workspace 12 key wear is all provided with abrasion resistance, the Quench reinforcing rib 2 that intensity is high, Quench reinforcing rib 2 is made to replace bucket tooth workspace 12 to become major wear item, the abrasion resistance of bucket tooth entirety is strengthened, extend the application life of bucket tooth, and Quench reinforcing rib 2 also effectively raises intensity and the anti-bending strength of workspace 12 and crown 13, reduce bucket tooth and excessively use the situation occurring fracture, cutting inclined-plane 211 on Quench reinforcing rib 2 as assisted machining face improve bucket tooth excavate through property, further increase digging efficiency, reduce the power consumption of machine.
As shown in Figure 5, described column construction 21 two sides are vertical plane, top is the circular arc smoothly transitted, bottom, described gap 22 is the circular arc smoothly transitted, the width of described column construction 21 is greater than the width in described gap 22, and bottom, gap 22 spacing corresponding to two sides is equal with this workspace, place 12 thickness or crown thickness, described column construction 21 cross sectional shape comprises: circular arc, triangle, rectangle and trapezoidal, the described Quench reinforcing rib 2 being arranged at bucket tooth main body 1 both sides has 4-30 root, Quench reinforcing rib 2 length is 1/10 ~ 1 of bucket tooth main body 1 length, be highly 1 ~ 40mm, width is 2 ~ 30mm, gap 22 width is 1 ~ 40mm, this structure is applicable to the bucket tooth of different model.
Above-mentioned Tooth structure, in bucket tooth casting Quench process of setting, because Quench reinforcing rib 2 covers most of region on bucket tooth main body 1 two sides, and Quench reinforcing rib 2 is placed in the skin of bucket tooth main body 1, in chilling technology, Quench reinforcing rib 2 preferentially solidifies, form chill, and chill effect is formed to the bucket tooth main body 1 of inner side, impel bucket tooth grain refinement, tissue evenly, make the workpiece strength after shaping higher, abrasion resistance is better, and in quenching processing technology, the Quench reinforcing rib that Tooth structure of the present invention plays a major role is in skin, because quenching has the good feature of edge quenching degree, compare with the bucket tooth of same sectional dimension, the better effects if of Tooth structure Quenching Treatment of the present invention.
Beneficial effect of the present invention is, bucket tooth main body both sides are provided with the parallel cylindricality Quench reinforcing rib of file, make bucket tooth even tissue, crystal grain is tiny, stressed evenly, bucket tooth intensity when excavation is higher, abrasion resistance is better, effectively can avoid the blockings such as grit, rock, concrete and infringement, that improves bucket tooth excavation passes property, improves its digging efficiency, reduce the power consumption of machine, extend the application life of bucket tooth, reduce bucket tooth and excessively use the situation occurring fracture, improve the strength and stability of bucket tooth.
The above is only preferred embodiment of the present invention, is not restriction the present invention being made to any other form, and any amendment done according to technical spirit of the present invention or equivalent variations, still belong to the present invention's scope required for protection.
Claims (8)
1. one kind has external Quench reinforcing rib high abrasion excavator bucket teeth, comprise: bucket tooth main body, described bucket tooth main body comprises: installing zone, workspace and crown, described installing zone is provided with installing hole, for being connected with bucket tooth seat, described workspace is between crown and installing zone, it is characterized in that, described excavator bucket teeth also comprises: Quench reinforcing rib, described Quench reinforcing rib is arranged at the both sides, front and back of bucket tooth main body, and described Quench reinforcing rib is several column constructions of the length direction file arrangement being parallel to bucket tooth.
2. excavator bucket teeth according to claim 1, is characterized in that, described Quench reinforcing rib dense arrangement, in the both sides, front and back of bucket tooth main body, accounts for more than 50% of two sides, the front and back gross area, accounts for more than 75% of the workspace gross area, account for the crown gross area more than 80%.
3. excavator bucket teeth according to claim 1, it is characterized in that, described workspace and installing zone junction adopt arc surface transition, and described workspace thickness is 1/5 ~ 3/5 of installing zone thickness, described workspace reduces gradually to crown thickness, and described crown is isosceles trapezoid.
4. excavator bucket teeth according to claim 1, it is characterized in that, described column construction is provided with cutting inclined-plane near crown operative end surface place, cut the width of inclined-plane near crown operative end surface place and be greater than the width of cutting inclined-plane near column construction, described cutting inclined-plane connects with described crown operative end surface, and formed by the cutting inclined-plane of two sides, cutting angle is less than 50 °.
5. excavator bucket teeth according to claim 4, is characterized in that, is provided with gap between described column construction, and described gap is parallel with described column construction.
6. excavator bucket teeth according to claim 5, is characterized in that, described in be arranged at bucket tooth main body both sides Quench reinforcing rib have 4-30 root, Quench reinforcing rib length is 1/10 ~ 1 of bucket tooth principal length, be highly 1 ~ 40mm, width is 2 ~ 30mm, and gap width is 1 ~ 40mm.
7. excavator bucket teeth according to claim 1, is characterized in that, described column construction reduces from installing zone gradually to crown height.
8. excavator bucket teeth according to claim 1, is characterized in that, described column construction cross sectional shape comprises: circular arc, triangle, rectangle and trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057317.3A CN104612203B (en) | 2015-02-03 | 2015-02-03 | One kind has external Quench reinforcement high abrasion excavator bucket teeth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057317.3A CN104612203B (en) | 2015-02-03 | 2015-02-03 | One kind has external Quench reinforcement high abrasion excavator bucket teeth |
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| Publication Number | Publication Date |
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| CN104612203A true CN104612203A (en) | 2015-05-13 |
| CN104612203B CN104612203B (en) | 2017-07-28 |
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| CN201510057317.3A Active CN104612203B (en) | 2015-02-03 | 2015-02-03 | One kind has external Quench reinforcement high abrasion excavator bucket teeth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653926A (en) * | 2016-07-26 | 2018-02-02 | 天津市中机雄风机械有限公司 | A kind of preparation method of excavator bucket teeth |
| CN111719613A (en) * | 2020-07-24 | 2020-09-29 | 三一重机有限公司 | Excavator bucket and excavator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1327110A (en) * | 2000-05-11 | 2001-12-19 | 英特拖拉机股份有限公司 | Gear head for building machinery |
| US20070180743A1 (en) * | 2003-01-23 | 2007-08-09 | Horton Lee A | Ripper excavation tool |
| DE102006055753A1 (en) * | 2006-11-25 | 2008-05-29 | Terex Gmbh | Bulk material retaining unit for use as bucket for excavator, has protective cap arranged in area of side walls, where cap is fixed in its position through protection unit that is arranged in outer side of tooth units |
| CN201534983U (en) * | 2009-08-26 | 2010-07-28 | 朱艳军 | Excavator unloading shovel |
| US20130097895A1 (en) * | 2006-03-30 | 2013-04-25 | Esco Corporation | Wear Assembly |
| CN203213190U (en) * | 2013-05-02 | 2013-09-25 | 宁波宇翔机械铸造有限公司 | Excavator bucket tooth with reinforcing rib |
| CN203284830U (en) * | 2012-10-10 | 2013-11-13 | 宁波嘉达精密铸造有限公司 | Large-capacity bucket tooth |
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2015
- 2015-02-03 CN CN201510057317.3A patent/CN104612203B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327110A (en) * | 2000-05-11 | 2001-12-19 | 英特拖拉机股份有限公司 | Gear head for building machinery |
| US20070180743A1 (en) * | 2003-01-23 | 2007-08-09 | Horton Lee A | Ripper excavation tool |
| US20130097895A1 (en) * | 2006-03-30 | 2013-04-25 | Esco Corporation | Wear Assembly |
| DE102006055753A1 (en) * | 2006-11-25 | 2008-05-29 | Terex Gmbh | Bulk material retaining unit for use as bucket for excavator, has protective cap arranged in area of side walls, where cap is fixed in its position through protection unit that is arranged in outer side of tooth units |
| CN201534983U (en) * | 2009-08-26 | 2010-07-28 | 朱艳军 | Excavator unloading shovel |
| CN203284830U (en) * | 2012-10-10 | 2013-11-13 | 宁波嘉达精密铸造有限公司 | Large-capacity bucket tooth |
| CN203213190U (en) * | 2013-05-02 | 2013-09-25 | 宁波宇翔机械铸造有限公司 | Excavator bucket tooth with reinforcing rib |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653926A (en) * | 2016-07-26 | 2018-02-02 | 天津市中机雄风机械有限公司 | A kind of preparation method of excavator bucket teeth |
| CN111719613A (en) * | 2020-07-24 | 2020-09-29 | 三一重机有限公司 | Excavator bucket and excavator |
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| Publication number | Publication date |
|---|---|
| CN104612203B (en) | 2017-07-28 |
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