CN105484313A - Improved excavator bucket tooth - Google Patents
Improved excavator bucket tooth Download PDFInfo
- Publication number
- CN105484313A CN105484313A CN201610011199.7A CN201610011199A CN105484313A CN 105484313 A CN105484313 A CN 105484313A CN 201610011199 A CN201610011199 A CN 201610011199A CN 105484313 A CN105484313 A CN 105484313A
- Authority
- CN
- China
- Prior art keywords
- connecting pin
- latch segment
- stopper slot
- bucket tooth
- excavator bucket
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2833—Retaining means, e.g. pins
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention provides an improved excavator bucket tooth, and belongs to the technical field of machinery. The improved excavator bucket tooth comprises a bucket tooth body and a tooth base; the bucket tooth body is provided with a cavity; an opening of the cavity is formed in the tail end of the bucket tooth body; a mounting head is integrally arranged at the head end of the tooth base, is inserted in the cavity, and is fixedly connected with the bucket tooth body through a connecting mechanism; the connecting mechanism includes a connecting pin and a locking piece arranged in the cavity; the connecting pin is inserted in the middle part of the mounting head, and two ends of the connecting pin are respectively inserted in the tail end of the bucket tooth body; and the locking piece can lock the connecting pin, and synchronously realizes limiting of the connecting pin in peripheral and axial directions. The improved excavator bucket tooth has the advantages of convenience for installation and connecting reliability.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of modified excavator bucket teeth.
Background technology
Instantly social development is rapid, 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, excavator has become one of topmost engineering machinery in engineering construction, the building site such as to build all be widely used in town and country transformation, high ferro, and excavator bucket teeth is the typical wear resistant parts of excavator.
Excavator bucket teeth generally all comprises bucket tooth and toothholder, needs between the two to be connected with pin.In prior art, someone adopts and pin is knocked in toothholder directly bucket tooth and toothholder is connected, and such connected mode is installed loaded down with trivial details, and during excavator work, junction rigidity stress is comparatively large, and its reliability connected can not get ensureing.
In sum, for solving the structural deficiency of existing excavator bucket teeth, need design a kind of easy for installation, connect reliable modified excavator bucket teeth.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of easy for installation, connect reliable modified excavator bucket teeth.
Object of the present invention realizes by following technical proposal: a kind of modified excavator bucket teeth, comprising:
Bucket tooth, has cavity and cavities open is located at bucket tooth end;
Toothholder, its head end integral type is provided with mounting head, described mounting head is inserted cavity and is connected by bindiny mechanism and bucket tooth, described bindiny mechanism comprises connecting pin and is located at the locking member in cavity, described connecting pin is located in the middle part of mounting head and connecting pin two ends are inserted in bucket tooth end respectively, and described locking member can be locked connecting pin and be realized the spacing of connecting pin circumferential and axial direction simultaneously.
As a further improvement on the present invention, the outer peripheral sidewall of described connecting pin offers the stopper slot arranged near end, described locking member is made up of the latch segment matched with stopper slot and the rubber base plate of being closely located at latch segment rear end, described latch segment and latch segment front end and connecting pin outer peripheral sidewall vertical with connecting pin offset, and be rotationally connected pin and latch segment front end can be made to snap in stopper slot and lock connecting pin.
Further improve as of the present invention, described latch segment is square setting, described stopper slot bottom surface is plane and the entrance, both sides of this plane is located at spacing spigot surface for the latch segment that leads respectively, after described latch segment front end snaps in stopper slot, its front end face is resisted against on stopper slot bottom surface, and the upper and lower end face of latch segment fits tightly with stopper slot inwall respectively.
As another improvement of the present invention, the outer peripheral sidewall of described connecting pin also offers be positioned at stopper slot side against breach, be respectively equipped with the mobile guide face for the latch segment that leads against breach both sides, described latch segment front end with offset against breach inwall.
As of the present invention another improve, described connecting pin is in the width direction through being inserted in bucket tooth end both sides in the middle part of mounting head.
As of the present invention another improve, described latch segment and rubber base plate is embedded is installed on cavity inner wall, and the sidewall of latch segment and rubber base plate and mounting head is affixed.
As of the present invention another improve, described latch segment and rubber base plate is embedded is installed on mounting head sidewall.
As another improvement of the present invention, one end end face of connecting pin away from stopper slot digs square swivelling chute.
As another improvement of the present invention, the end face end face corresponding to bucket tooth end respectively at described connecting pin two ends, and two of connecting pin end surface side are along being respectively equipped with chamfering.
As another improvement of the present invention, each edge of described latch segment front end is equipped with chamfering.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect: integral structure layout is compact, bindiny mechanism is arranged at integrally-built inside, during installation, connecting pin is inserted position, corresponding frock hole, after pin to be connected puts in place, connecting pin is locked by locking member, and then realize the fixed installation operation of bucket tooth and toothholder, bucket tooth, toothholder, bindiny mechanism three connects closely, reliably, easy for installation, all parts processing is also more convenient, solve existing spiral pin or decide the problems such as frock that pin brings is loaded down with trivial details, and connecting pin axial and circumferential are all limited, make excavator bucket teeth stable working.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is the explosive view of a preferred embodiment of the present invention.
Fig. 3 is the explosive view of another preferred embodiment of the present invention.
Fig. 4 is the structural representation of bindiny mechanism in a preferred embodiment of the present invention.
Fig. 5 is the structural representation of connecting pin in a preferred embodiment of the present invention.
In figure, 10, bucket tooth; 11, cavity; 12, installing hole; 20, toothholder; 21, mounting head; 30, bindiny mechanism; 31, connecting pin; 311, stopper slot; 312, spacing spigot surface; 313, against breach; 314, mobile guide face; 315, swivelling chute; 32, locking member; 321, latch segment; 322, rubber base plate.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Have people to adopt in prior art pin is knocked in toothholder 20 and directly bucket tooth 10 and toothholder 20 are connected, such connected mode is installed loaded down with trivial details, and during excavator work, junction rigidity stress is comparatively large, and its reliability connected can not get ensureing.Therefore, it is necessary for designing a kind of more rational modified excavator bucket teeth.
Below in conjunction with the elaboration that Fig. 1 to Fig. 5 carries out specifically to technical scheme provided by the invention.
As shown in Figures 1 to 5, this modified excavator bucket teeth comprises:
Bucket tooth 10, has cavity 11 and cavity 11 opening is located at bucket tooth 10 end;
Toothholder 20, its head end integral type is provided with mounting head 21, mounting head 21 is inserted cavity 11 and is connected with bucket tooth 10 by bindiny mechanism 30, the locking member 32 that bindiny mechanism 30 comprises connecting pin 31 and is located in cavity 11, connecting pin 31 is located in the middle part of mounting head 21 and connecting pin 31 two ends are inserted in bucket tooth 10 end respectively, and locking member 32 can be locked connecting pin 31 and be realized the spacing of connecting pin 31 circumferential and axial direction simultaneously.
The present invention protects a kind of modified excavator bucket teeth; for ease of processing and facilitating frock; bucket tooth 10 end both sides offer the installing hole 12 with cavity 11 UNICOM respectively; above-mentioned connecting pin 31 is through in the middle part of mounting head 21 and two ends are closely inserted in installing hole 12 respectively, and connecting pin 31 end is not exposed outside bucket tooth 10.
This modified excavator bucket teeth in an initial condition, integral structure layout is compact, bindiny mechanism 30 is arranged at integrally-built inside, connecting pin 31 is inserted position, corresponding frock hole during installation, after pin 31 to be connected puts in place, connecting pin 31 is locked by locking member 32, and then realize the fixed installation operation of bucket tooth 10 and toothholder 20, bucket tooth 10, toothholder 20, bindiny mechanism 30 three connects closely, reliably, easy for installation, all parts processing is also more convenient, solve existing spiral pin or decide the problems such as frock that pin brings is loaded down with trivial details, and connecting pin 31 axial and circumferential are all limited, make excavator bucket teeth stable working.
Concrete, the outer peripheral sidewall of connecting pin 31 offers the stopper slot 311 arranged near end, locking member 32 is made up of the latch segment 321 matched with stopper slot 311 and the rubber base plate 322 of being closely located at latch segment 321 rear end, latch segment 321 and latch segment 321 front end and connecting pin 31 outer peripheral sidewall vertical with connecting pin 31 offset, and be rotationally connected pin 31 and latch segment 321 front end can be made to snap in stopper slot 311 and lock connecting pin 31.
Due to excavator operationally foreign impacts power impact bucket tooth 10 and toothholder 20, connecting pin 31 becomes the conduction maincenter of the intermolecular forces of bucket tooth 10 and toothholder 20, in the present invention, stopper slot 311 is located in the middle part of connecting pin 31 by end position, make stopper slot 311 away from connecting pin 31 middle position, when making work, connecting pin 31 not easy fracture, improves the compactness of connection and the reliability of work.
Rubber base plate 322 pairs of latch segments 321 are continuously applied extrapolability, when connecting pin 31 just loads, latch segment 321 forward end is against on connecting pin 31 outer wall, being rotationally connected pin 31 again makes latch segment 321 aim at stopper slot 311, now under the effect of rubber base plate 322 restoring force, snap in stopper slot 311, and then realize the spacing of connecting pin 31 circumferential and axial direction.The structure of above-mentioned connecting pin 31 and locking member 32 is adopted in this case, take off not easily after locking connecting pin 31, and during real work bucket tooth 10 and toothholder 20 install after also without the need to unloading, fixed, all parts not easily relative sliding or get loose, ensure that the reliability and stability of overall excavator bucket teeth work.
Further, for making bindiny mechanism 30 locking effect better, preferred latch segment 321 is square setting, stopper slot 311 bottom surface is plane and the entrance, both sides of this plane is located at spacing spigot surface 312 for the latch segment 321 that leads respectively, after latch segment 321 front end snaps in stopper slot 311, its front end face is resisted against on stopper slot 311 bottom surface, and the upper and lower end face of latch segment 321 fits tightly with stopper slot 311 inwall respectively.And for improving the support force (back stretch) of rubber base plate 322, preferably its shape is set to coordinate with square latch segment 321 T-shaped closely, ensure that insisting on of the extrapolation sent is continuous, direction is steady.
Stopper slot 311 has two openings, three planes and two spacing spigot surfaces 312 (being preferably the arcwall face that radian is less), latch segment 321 gliding smoothing, smooth and easy, coordinates closely, ensure that spacing reliability with latch segment 321.
Further, for making latch segment 321 contraposition accurate, the outer peripheral sidewall of preferred connecting pin 31 also offers be positioned at stopper slot 311 side against breach 313, be respectively equipped with the mobile guide face 314 for the latch segment 321 that leads against breach 313 both sides, latch segment 321 front end with offset against breach 313 inwall.Above-mentioned mobile guide face 314 and spacing spigot surface 312 are all arranged along connecting pin 31 axial direction.
When connecting pin 31 just loads, latch segment 321 forward end is against against on breach 313 inwall, being rotationally connected pin 31 again makes latch segment 321 slip over mobile guide face 314 and spacing spigot surface 312 and then snap in stopper slot 311 under the effect of rubber base plate 322 restoring force, finally realizes the spacing of connecting pin 31 circumferential and axial direction.
Consider the direction of action of excavator bucket teeth work, in preferred this case, connecting pin 31 is in the width direction through being inserted in bucket tooth 10 end both sides in the middle part of mounting head 21, loosen to avoid inner body, and coordinate with integral device coordination, ensure that the reliability and efficient production efficiency that are fixedly connected with.
In the present invention, the mounting means of locking member 32 has multiple, below enumerate wherein preferred two kinds of embodiments, wherein one is that locking member 32 is installed on bucket tooth 10, shown in composition graphs 2, concrete, latch segment 321 and the embedded close installation of rubber base plate 322 are on cavity 11 inwall, and latch segment 321 and rubber base plate 322 are affixed with the sidewall of mounting head 21.Integral structure layout is compact, connects reliable.
For further room for promotion layout, the mounting means of another locking member 32 is installed in the mounting head 21 of toothholder 20 by locking member 32, shown in composition graphs 3, concrete, and latch segment 321 and the embedded close installation of rubber base plate 322 are on mounting head 21 sidewall.
Be rotationally connected pin 31 for convenience of external tool and promote feel, ensureing the reliability that spacing place connects, reducing the interference that external equipment causes, preferably on one end end face of connecting pin 31 away from stopper slot 311, dug square swivelling chute 315.
Preferably, the end face at connecting pin 31 two ends respectively with the corresponding end face of bucket tooth 10 end, and two of connecting pin 31 end surface side are along being respectively equipped with chamfering.Such vibrational power flow, can make connecting pin 31 insert bucket tooth 10 and toothholder 20 more swimmingly.
More smooth-going for making latch segment 321 snap in stopper slot 311, also avoid scratching other component, preferably, each edge of latch segment 321 front end is equipped with chamfering.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. a modified excavator bucket teeth, is characterized in that: comprising:
Bucket tooth, has cavity and cavities open is located at bucket tooth end;
Toothholder, its head end integral type is provided with mounting head, described mounting head is inserted cavity and is connected by bindiny mechanism and bucket tooth, described bindiny mechanism comprises connecting pin and is located at the locking member in cavity, described connecting pin is located in the middle part of mounting head and connecting pin two ends are inserted in bucket tooth end respectively, and described locking member can be locked connecting pin and be realized the spacing of connecting pin circumferential and axial direction simultaneously.
2. a kind of modified excavator bucket teeth according to claim 1, it is characterized in that: the outer peripheral sidewall of described connecting pin offers the stopper slot arranged near end, described locking member is made up of the latch segment matched with stopper slot and the rubber base plate of being closely located at latch segment rear end, described latch segment and latch segment front end and connecting pin outer peripheral sidewall vertical with connecting pin offset, and be rotationally connected pin and latch segment front end can be made to snap in stopper slot and lock connecting pin.
3. a kind of modified excavator bucket teeth according to claim 2, it is characterized in that: described latch segment is square setting, described stopper slot bottom surface is plane and the entrance, both sides of this plane is located at spacing spigot surface for the latch segment that leads respectively, after described latch segment front end snaps in stopper slot, its front end face is resisted against on stopper slot bottom surface, and the upper and lower end face of latch segment fits tightly with stopper slot inwall respectively.
4. a kind of modified excavator bucket teeth according to Claims 2 or 3, it is characterized in that: the outer peripheral sidewall of described connecting pin also offers be positioned at stopper slot side against breach, be respectively equipped with the mobile guide face for the latch segment that leads against breach both sides, described latch segment front end with offset against breach inwall.
5. a kind of modified excavator bucket teeth according to claim 1 or 2 or 3, is characterized in that: described connecting pin is in the width direction through being inserted in bucket tooth end both sides in the middle part of mounting head.
6. a kind of modified excavator bucket teeth according to Claims 2 or 3, is characterized in that: described latch segment and rubber base plate is embedded is installed on cavity inner wall, and the sidewall of latch segment and rubber base plate and mounting head is affixed.
7. a kind of modified excavator bucket teeth according to Claims 2 or 3, is characterized in that: described latch segment and rubber base plate is embedded is installed on mounting head sidewall.
8. a kind of modified excavator bucket teeth according to Claims 2 or 3, is characterized in that: on one end end face of connecting pin away from stopper slot, dug square swivelling chute.
9. a kind of modified excavator bucket teeth according to claim 1 or 2 or 3, is characterized in that: the end face end face corresponding to bucket tooth end respectively at described connecting pin two ends, and two of connecting pin end surface side are along being respectively equipped with chamfering.
10. a kind of modified excavator bucket teeth according to Claims 2 or 3, is characterized in that: each edge of described latch segment front end is equipped with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011199.7A CN105484313A (en) | 2016-01-07 | 2016-01-07 | Improved excavator bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011199.7A CN105484313A (en) | 2016-01-07 | 2016-01-07 | Improved excavator bucket tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105484313A true CN105484313A (en) | 2016-04-13 |
Family
ID=55671559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610011199.7A Pending CN105484313A (en) | 2016-01-07 | 2016-01-07 | Improved excavator bucket tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105484313A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222115A (en) * | 2017-12-20 | 2018-06-29 | 宁波市鄞州精铸五金厂 | A kind of excavator bucket teeth |
| CN108951751A (en) * | 2018-07-16 | 2018-12-07 | 宁波市鄞州精铸五金厂 | Excavator bucket teeth |
| CN111794307A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5417518A (en) * | 1993-04-14 | 1995-05-23 | Bierwith; Robert | Tooth mounting adaptor for excavation bucket |
| CN1910324A (en) * | 2003-12-05 | 2007-02-07 | 梅塔罗格尼亚股份公司 | Wearing components and its part of machine capable of moving material such as soil and quarry stone |
| WO2014121318A1 (en) * | 2013-02-07 | 2014-08-14 | Bradken Resources Pty Limited | Lock for an excavation tooth assembly |
| CN204199371U (en) * | 2014-11-07 | 2015-03-11 | 姜枢 | Excavator bucket teeth |
| CN204225191U (en) * | 2014-09-19 | 2015-03-25 | 天津市亦能机械有限公司 | Excavator bucket teeth |
| CN104563194A (en) * | 2014-11-29 | 2015-04-29 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth with improved structure |
| CN205314154U (en) * | 2016-01-07 | 2016-06-15 | 宁波市鄞州精铸五金厂 | Improved generation excavator bucket tooth |
-
2016
- 2016-01-07 CN CN201610011199.7A patent/CN105484313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5417518A (en) * | 1993-04-14 | 1995-05-23 | Bierwith; Robert | Tooth mounting adaptor for excavation bucket |
| CN1910324A (en) * | 2003-12-05 | 2007-02-07 | 梅塔罗格尼亚股份公司 | Wearing components and its part of machine capable of moving material such as soil and quarry stone |
| WO2014121318A1 (en) * | 2013-02-07 | 2014-08-14 | Bradken Resources Pty Limited | Lock for an excavation tooth assembly |
| CN204225191U (en) * | 2014-09-19 | 2015-03-25 | 天津市亦能机械有限公司 | Excavator bucket teeth |
| CN204199371U (en) * | 2014-11-07 | 2015-03-11 | 姜枢 | Excavator bucket teeth |
| CN104563194A (en) * | 2014-11-29 | 2015-04-29 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth with improved structure |
| CN205314154U (en) * | 2016-01-07 | 2016-06-15 | 宁波市鄞州精铸五金厂 | Improved generation excavator bucket tooth |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222115A (en) * | 2017-12-20 | 2018-06-29 | 宁波市鄞州精铸五金厂 | A kind of excavator bucket teeth |
| CN108951751A (en) * | 2018-07-16 | 2018-12-07 | 宁波市鄞州精铸五金厂 | Excavator bucket teeth |
| CN111794307A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
| CN111794307B (en) * | 2020-07-27 | 2024-01-16 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
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Application publication date: 20160413 |
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| RJ01 | Rejection of invention patent application after publication |