CN105332400A - Novel buffer type excavator toothholder and bucket tooth combination device - Google Patents
Novel buffer type excavator toothholder and bucket tooth combination device Download PDFInfo
- Publication number
- CN105332400A CN105332400A CN201510801659.1A CN201510801659A CN105332400A CN 105332400 A CN105332400 A CN 105332400A CN 201510801659 A CN201510801659 A CN 201510801659A CN 105332400 A CN105332400 A CN 105332400A
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- Prior art keywords
- toothholder
- bucket tooth
- bayonet lock
- boss
- positioning seat
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Abstract
The invention discloses a novel buffer type excavator toothholder and bucket tooth combination device, which comprises a toothholder, a bucket tooth, a clamping pin and a shock pad, wherein the toothholder comprises a toothholder head part and a toothholder tail part, the toothholder head part comprises a boss, a clamping pin positioning seat and an excessive reinforcing rib, the boss, the clamping pin positioning seat and the excessive reinforcing rib are integrally formed, the clamping pin positioning seat is positioned at the end part of the boss far away from the toothholder head part, the transitional reinforcing rib is connected with the boss and the tail part and is positioned at the same side with a lower connecting plate, the clamping pin is of a hollow steel pipe structure, the inner wall of a mounting cavity of the bucket tooth is sleeved and jointed with the boss at the toothholder head part, a gap is reserved between the inner wall of the mounting cavity of the bucket tooth and the clamping pin positioning seat at the. The invention has the advantages that the improvement measures reduce various acting forces generated among the toothholder, the bucket teeth, the bayonet lock, external materials, the cutting edge plate and the like, prolong the service life of the toothholder, save the material cost and improve the working efficiency.
Description
Technical field
The present invention relates to excavator automobile fitting technical field, particularly relate to the combination unit of a kind of Novel buffer type excavator toothholder and bucket tooth.
Background technology
Excavator excavates higher or lower than the material holding machine side with scraper bowl, and load haulage vehicle or unload the earth moving plant to rickyard.Material mainly soil, coal, silt and the Soil and Rock after pre-pine that excavator excavates.From the development of engineering machinery in recent years, the development of excavator is relatively very fast, and excavator has become one of topmost engineering machinery in engineering construction.Traditional excavator toothholder is connected with bucket tooth by bayonet lock, and pin hole can reduce the intensity of toothholder, and the fit-up gap between bucket tooth and toothholder, when excavator works, between bucket tooth and toothholder, rigid collision occurs, and this position is toothholder fracture defect position occurred frequently; Secondly, toothholder projection and pedestal do not have transition portion, are that the second stress concentration portion is divided; The attachment weld of toothholders all at present and scraper bowl sword plate is all positioned at toothholder both sides, simultaneously, because the right-angle structure of toothholder aperture position, toothholder and sword plate bonding surface cannot be fitted completely, when scraper bowl excavates, weld seam is not only impacted, and by material frictional force, this place's weld seam easily ftractures and extends to whole sword plate, causes whole scraper bowl to damage; Not only waste material, and affect the duration.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the combination unit of a kind of Novel buffer type excavator toothholder and bucket tooth, greatly improving the toothholder life-span, reduce use cost.
The technical solution adopted in the present invention is: the combination unit of a kind of Novel buffer type excavator toothholder and bucket tooth, it comprises toothholder, bucket tooth, bayonet lock and beam, the head of described toothholder assembles mutually with described bucket tooth, the afterbody of described toothholder assembles mutually with excavator sword plate, described toothholder afterbody comprises the upper junction plate and lower connecting plate that weld mutually with described excavator sword plate, described toothholder is socketed with bucket tooth and coordinates, fixed by described bayonet lock, described toothholder head comprises boss, bayonet lock positioning seat and excessive reinforcing rib, described boss, bayonet lock positioning seat and excessive reinforcing rib are formed in one, described bayonet lock positioning seat is positioned at the end away from toothholder head of described boss, described transition reinforcing rib connects boss and afterbody, with lower connecting plate homonymy, described bayonet lock is hollow steel pipe structure, the installation cavity inwall of described bucket tooth and described toothholder head boss socket-connect and fit, gap is had between the installation cavity inwall of described bucket tooth and described toothholder head bayonet lock positioning seat, described beam casts directly on one week internal chamber wall that described bucket tooth and described toothholder head boss fit.
Particularly, the upper lower connecting plate of described toothholder afterbody is oat tail groove structure.
Further, on described toothholder afterbody, the inner side of lower connecting plate oat tail groove structure is welded with excavator sword plate.
Further, open slot structure design bonded to each other when described toothholder afterbody assembling with the sword plate mouth of described excavator sword plate between lower connecting plate is inner concave shape fillet structure.
Further, have notch in the middle of described bayonet lock, two ends are chamfering.
Further, the bayonet lock locating hole two ends in described bucket tooth are shoulder hole structure.
Further, the clearance distance between the installation cavity inwall of described bucket tooth and described toothholder head bayonet lock positioning seat is 2-10mm.
Further, described beam material is rubber or plastics.
Due to technique scheme, the present invention has following beneficial effect: toothholder head comprises boss, bayonet lock positioning seat and excessive reinforcing rib, boss, bayonet lock positioning seat and excessive reinforcing rib are formed in one, bayonet lock positioning seat is positioned at the end away from toothholder head of boss, transition reinforcing rib transition reinforcing rib connects boss and afterbody, with lower connecting plate homonymy, bayonet lock is hollow steel pipe structure, the installation cavity inwall of bucket tooth and toothholder head boss socket-connect and fit, gap is had between the installation cavity inwall of bucket tooth and toothholder head bayonet lock positioning seat, beam casts directly on one week internal chamber wall that bucket tooth and toothholder head boss fit, toothholder hole portion structure improves, in whole mining process, eliminate the impact of bucket tooth to bayonet lock, simplify the structure of bayonet lock, achieve bayonet lock and be simplified to hollow steel pipe structure by traditional single solid steel bar structure, reduce bayonet lock cost, enhance the toothholder intensity at bucket tooth and toothholder cooperation position place, the use of the beam that rubber and plastics elastomeric material make, reduce the impact of bucket tooth to toothholder, improve the life-span of toothholder, what the impact that transition reinforcing rib makes toothholder boss be subject to was level and smooth is transitioned into toothholder afterbody, eliminate the stress that between toothholder boss and afterbody, structural mutation causes to concentrate, open slot structure design bonded to each other when toothholder afterbody assembles with the sword plate mouth of excavator sword plate between lower connecting plate is inner concave shape fillet structure, thus ensure that toothholder can fit tightly with sword plate face, the impact force that toothholder can be made to be subject to is directly delivered on sword plate by fitting surface, eliminate the impact of butt welded seam, reduce weld cracking risk, the oat tail groove structure of toothholder design simultaneously, improve the position while welding of toothholder and sword plate, change into inside toothholder by the weld seam of toothholder and sword plate by both sides, what eliminate material butt welded seam tempers destruction, improve the life-span of toothholder and sword plate welding seams, effectively eliminate the injury effect of material butt welded seam.All corrective measures greatly increase the application life of toothholder, have saved material cost, have improved operating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is main apparent direction sectional view;
Fig. 2 is for overlooking direction sectional view;
Fig. 3 is toothholder axonometric drawing;
Fig. 4 is bayonet lock axonometric drawing.
In figure: 1-toothholder, 2-bucket tooth, 3-bayonet lock, 4-beam, 5-toothholder head boss, 6-bayonet lock positioning seat, 7-transition reinforcing rib, 8-toothholder afterbody upper junction plate, 9-toothholder afterbody lower connecting plate, 10-toothholder afterbody upper junction plate welding dovetail groove, 11-toothholder afterbody open slot inner concave shape fillet, 12-bayonet lock notch, bayonet lock location shoulder hole in 13-bucket tooth, 14-bayonet lock chamfering.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment one
See Fig. 1-4, the combination unit of a kind of Novel buffer type excavator toothholder and bucket tooth, it comprises toothholder 1, bucket tooth 2, bayonet lock 3 and beam 4, the head of described toothholder 1 assembles with described bucket tooth 2 phase, the afterbody of described toothholder 1 assembles mutually with excavator sword plate, described toothholder 1 afterbody comprises the upper junction plate 8 and lower connecting plate 9 that weld mutually with described excavator sword plate, described toothholder 1 is socketed with bucket tooth 2 and coordinates, fixed by described bayonet lock 3, described toothholder head comprises boss 5, bayonet lock positioning seat 6 and excessive reinforcing rib 7, described boss 5, bayonet lock positioning seat 6 and excessive reinforcing rib 7 are formed in one, described bayonet lock positioning seat 6 is positioned at the end away from toothholder 1 head of described boss 5, described transition reinforcing rib 7 connects boss 5 and described lower connecting plate 9, with described lower connecting plate 9 homonymy, described bayonet lock 3 is hollow steel pipe structure, the installation cavity inwall of described bucket tooth 2 and described toothholder 1 head boss 5 socket-connect and fit, gap is had between the installation cavity inwall of described bucket tooth 2 and described toothholder 1 head bayonet lock positioning seat 6, described beam 4 casts directly on one week internal chamber wall that described bucket tooth 2 and described toothholder 1 head boss 5 fit.
Particularly, the upper lower connecting plate of described toothholder 1 afterbody is oat tail groove structure 10.
Further, on described toothholder 1 afterbody, the inner side of lower connecting plate oat tail groove structure 10 is welded with excavator sword plate.
Further, when assembling with the sword plate mouth of described excavator sword plate between described toothholder 1 afterbody upper junction plate 8 and lower connecting plate 9, open slot structure design bonded to each other is inner concave shape fillet structure 11.
Further, have notch 12 in the middle of described bayonet lock 3, two ends are chamfering 14.
Further, the bayonet lock locating hole two ends in described bucket tooth 2 are shoulder hole structure 13, stop that bayonet lock 3 is scurried out, realize toothholder 1 and be connected with the effective of bucket tooth 2.
Preferably, the clearance distance between the installation cavity inwall of described bucket tooth 2 and described toothholder 1 head bayonet lock positioning seat 5 is 2mm, in whole mining process, pin hole positioning seat 5 does not contact with bucket tooth 2, can not bear the impact force that bucket tooth 2 transmits.
Further, described beam 4 material is rubber.
Embodiment two
See Fig. 1-4, the combination unit of a kind of Novel buffer type excavator toothholder and bucket tooth, it comprises toothholder 1, bucket tooth 2, bayonet lock 3 and beam 4, the head of described toothholder 1 assembles with described bucket tooth 2 phase, the afterbody of described toothholder 1 assembles mutually with excavator sword plate, described toothholder 1 afterbody comprises the upper junction plate 8 and lower connecting plate 9 that weld mutually with described excavator sword plate, described toothholder 1 is socketed with bucket tooth 2 and coordinates, fixed by described bayonet lock 3, described toothholder head comprises boss 5, bayonet lock positioning seat 6 and excessive reinforcing rib 7, described boss 5, bayonet lock positioning seat 6 and excessive reinforcing rib 7 are formed in one, described bayonet lock positioning seat 6 is positioned at the end away from toothholder 1 head of described boss 5, described transition reinforcing rib 7 connects boss 5 and described lower connecting plate 9, with described lower connecting plate 9 homonymy, described bayonet lock 3 is hollow steel pipe structure, the installation cavity inwall of described bucket tooth 2 and described toothholder 1 head boss 5 socket-connect and fit, gap is had between the installation cavity inwall of described bucket tooth 2 and described toothholder 1 head bayonet lock positioning seat 6.The position that described bucket tooth 2 and described toothholder 1 head boss 5 fit is provided with beam 4.
Particularly, the upper lower connecting plate of described toothholder 1 afterbody is oat tail groove structure 10.
Further, on described toothholder 1 afterbody, the inner side of lower connecting plate oat tail groove structure 10 is welded with excavator sword plate.
Further, when assembling with the sword plate mouth of described excavator sword plate between described toothholder 1 afterbody upper junction plate 8 lower connecting plate 9, open slot structure design bonded to each other is inner concave shape fillet structure 11.
Further, have notch 12 in the middle of described bayonet lock 3, two ends are chamfering 14.
Further, the bayonet lock locating hole two ends in described bucket tooth 2 are shoulder hole structure 13.
Preferably, the clearance distance between the installation cavity inwall of described bucket tooth 2 and described toothholder 1 head bayonet lock positioning seat 5 is 10mm.
Further, described beam 4 material is plastics.
Wherein, be not limited to beam and cast directly over form on one week internal chamber wall that described bucket tooth 2 and described toothholder 1 head boss 5 fit, beam 4 also can be shaping separately, and its shape is identical with the beam of cast, is arranged between bucket tooth 2 and toothholder 1 head boss 5.
When using apparatus of the present invention, because toothholder head design becomes to comprise boss, bayonet lock positioning seat and excessive reinforcing rib, boss, bayonet lock positioning seat and excessive reinforcing rib are formed in one, bucket tooth does not contact with bayonet lock positioning seat, the contact surface of bucket tooth and toothholder increases, eliminate the impact of bucket tooth to bayonet lock, simplify the structure of bayonet lock, achieve bayonet lock and be simplified to hollow steel pipe structure by traditional single solid steel bar structure, reduce bayonet lock cost, and increase transition reinforcing rib, what the impact that toothholder boss is subject to was level and smooth is transitioned into toothholder afterbody, eliminate the stress that between toothholder boss and afterbody, structural mutation causes to concentrate, enhance the toothholder intensity at bucket tooth and toothholder cooperation position place,
Add at the bound fraction of toothholder and bucket tooth the beam using rubber and plastics elastomeric material to make, reduce the impact of bucket tooth to toothholder, improve the life-span of toothholder;
Design inner concave shape knuckle at toothholder and sword plate rigging position, thus ensure that toothholder can fit tightly with sword plate face, the impact force that toothholder can be made to be subject to is directly delivered on sword plate by fitting surface, eliminates the impact of butt welded seam, reduces weld cracking risk;
The oat tail groove structure of toothholder afterbody design simultaneously, improve the position while welding of toothholder and sword plate, change into inside toothholder by the weld seam of toothholder and sword plate by both sides, what eliminate material butt welded seam tempers destruction, improve the life-span of toothholder and sword plate welding seams, effectively eliminate the injury effect of material butt welded seam.
All corrective measures greatly increase the application life of toothholder, have saved material cost, have improved operating efficiency.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from patent principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of patent of the present invention.
Claims (8)
1. the combination unit of a Novel buffer type excavator toothholder and bucket tooth, it comprises toothholder, bucket tooth, bayonet lock and beam, the head of described toothholder assembles mutually with described bucket tooth, the afterbody of described toothholder assembles mutually with excavator sword plate, described toothholder afterbody comprises the upper junction plate and lower connecting plate that weld mutually with described excavator sword plate, described toothholder is socketed with bucket tooth and coordinates, fixed by described bayonet lock, it is characterized in that: described toothholder head comprises boss, bayonet lock positioning seat and excessive reinforcing rib, described boss, bayonet lock positioning seat and excessive reinforcing rib are formed in one, described bayonet lock positioning seat is positioned at the end away from toothholder head of described boss, described transition reinforcing rib connects described boss and described toothholder afterbody, with described lower connecting plate homonymy, described bayonet lock is hollow steel pipe structure, the installation cavity inwall of described bucket tooth and described toothholder head boss socket-connect and fit, gap is had between the installation cavity inwall of described bucket tooth and described toothholder head bayonet lock positioning seat, described beam casts directly on one week internal chamber wall that described bucket tooth and described toothholder head boss fit.
2. the combination unit of Novel buffer type excavator toothholder according to claim 1 and bucket tooth, is characterized in that: the upper lower connecting plate of described toothholder afterbody is oat tail groove structure.
3. the combination unit of Novel buffer type excavator toothholder according to claim 2 and bucket tooth, is characterized in that: on described toothholder afterbody, the inner side of lower connecting plate oat tail groove structure is welded with excavator sword plate.
4. the combination unit of Novel buffer type excavator toothholder according to claim 3 and bucket tooth, is characterized in that: open slot structure design bonded to each other when described toothholder afterbody assembles with the sword plate mouth of described excavator sword plate between lower connecting plate is inner concave shape fillet structure.
5. the combination unit of Novel buffer type excavator toothholder according to claim 1 and bucket tooth, is characterized in that: have notch in the middle of described bayonet lock, two ends are chamfering.
6. the combination unit of Novel buffer type excavator toothholder according to claim 1 and bucket tooth, is characterized in that: the bayonet lock locating hole two ends in described bucket tooth are shoulder hole structure.
7. the combination unit of Novel buffer type excavator toothholder according to claim 1 and bucket tooth, is characterized in that: the clearance distance between the installation cavity inwall of described bucket tooth and described toothholder head bayonet lock positioning seat is 2-10mm.
8. the combination unit of Novel buffer type excavator toothholder according to claim 1 and bucket tooth, is characterized in that: described beam material is rubber or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801659.1A CN105332400B (en) | 2015-11-19 | 2015-11-19 | Novel buffer type excavator toothholder and bucket tooth combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801659.1A CN105332400B (en) | 2015-11-19 | 2015-11-19 | Novel buffer type excavator toothholder and bucket tooth combination device |
Publications (2)
| Publication Number | Publication Date |
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| CN105332400A true CN105332400A (en) | 2016-02-17 |
| CN105332400B CN105332400B (en) | 2017-10-03 |
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| CN201510801659.1A Active CN105332400B (en) | 2015-11-19 | 2015-11-19 | Novel buffer type excavator toothholder and bucket tooth combination device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013308A (en) * | 2016-06-28 | 2016-10-12 | 天津市中机雄风机械有限公司 | Preparation method for durable assembly of bucket tooth and tooth seat |
| CN108385768A (en) * | 2018-03-15 | 2018-08-10 | 宁波吉威熔模铸造有限公司 | A kind of excavator bucket teeth fixation toothholder |
| CN111733923A (en) * | 2020-07-03 | 2020-10-02 | 徐州巴特工程机械股份有限公司 | Excavator bucket tooth structure |
| CN112198776A (en) * | 2020-11-17 | 2021-01-08 | 衡阳和乐办公设备有限公司 | Waste powder bin with anti-cracking pin holes |
| CN113323074A (en) * | 2021-05-21 | 2021-08-31 | 宁国市开源电力耐磨材料有限公司 | Bucket tooth mechanism for earthwork tunneling and excavating device |
| CN115627812A (en) * | 2022-10-28 | 2023-01-20 | 盐城市波阳机械制造有限公司 | Impact wear resistant excavator tooth holder |
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| CN103774713A (en) * | 2013-11-26 | 2014-05-07 | 广西柳工机械股份有限公司 | Bucket tooth assembly |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013308A (en) * | 2016-06-28 | 2016-10-12 | 天津市中机雄风机械有限公司 | Preparation method for durable assembly of bucket tooth and tooth seat |
| CN108385768A (en) * | 2018-03-15 | 2018-08-10 | 宁波吉威熔模铸造有限公司 | A kind of excavator bucket teeth fixation toothholder |
| CN108385768B (en) * | 2018-03-15 | 2020-11-06 | 宁波吉威熔模铸造有限公司 | Excavator bucket tooth fixing tooth seat |
| CN111733923A (en) * | 2020-07-03 | 2020-10-02 | 徐州巴特工程机械股份有限公司 | Excavator bucket tooth structure |
| CN112198776A (en) * | 2020-11-17 | 2021-01-08 | 衡阳和乐办公设备有限公司 | Waste powder bin with anti-cracking pin holes |
| CN113323074A (en) * | 2021-05-21 | 2021-08-31 | 宁国市开源电力耐磨材料有限公司 | Bucket tooth mechanism for earthwork tunneling and excavating device |
| CN115627812A (en) * | 2022-10-28 | 2023-01-20 | 盐城市波阳机械制造有限公司 | Impact wear resistant excavator tooth holder |
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|---|---|
| CN105332400B (en) | 2017-10-03 |
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Address after: 226500 No. 28, Taoli Road, Xiayuan Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Huayang aluminum products Co.,Ltd. Address before: 226543 No. 8, Huiren Road, Xiayuan Town, Rugao City, Nantong City, Jiangsu Province (in the industrial concentration zone of Xiayuan town) Patentee before: RUGAO HUAYANG ALUMINUM PRODUCTS Co.,Ltd. |