CN105625498A - Bucket tooth and toothholder combined part - Google Patents
Bucket tooth and toothholder combined part Download PDFInfo
- Publication number
- CN105625498A CN105625498A CN201510966863.9A CN201510966863A CN105625498A CN 105625498 A CN105625498 A CN 105625498A CN 201510966863 A CN201510966863 A CN 201510966863A CN 105625498 A CN105625498 A CN 105625498A
- Authority
- CN
- China
- Prior art keywords
- toothholder
- bucket tooth
- head
- molectron
- fixed
- 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.)
- Granted
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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention provides a bucket tooth and toothholder combined part, and belongs to the technical field of excavator mechanical devices. The bucket tooth and toothholder combined part comprises a toothholder and a bucket tooth in threaded connection with the toothholder. The toothholder comprises a toothholder head and a toothholder body which are connected, and the toothholder head is of a cylindrical structure; an external thread is arranged on the toothholder head, and a through hole is formed in the side wall of the toothholder head; the bucket tooth comprises a bucket tooth fixed end and a bucket tooth body which are connected; a fixed cavity is formed in the bucket tooth fixed end, one end of the fixed cavity is open, and the other end of the fixed cavity is located in the bucket tooth fixed end; and an internal thread is arranged in the fixed cavity and is matched with the external thread, and fixed holes which are through are formed in two opposite side walls of the bucket tooth fixed end. The bucket tooth and toothholder combined part is simple in structure and convenient to operate; a pin is not prone to breakage, and the toothholder long in service life and the bucket tooth are more stably connected; and the characteristics of wear resistance, high strength, high toughness, low hydrogen, low residual austenite and the like of the material compensates for the condition that common high manganese steel fails in a short term.
Description
Technical field
The present invention relates to excavator machinery technical field, specifically a kind of bucket tooth and toothholder molectron.
Background technology
The fit structure of the toothholder on power shovel and bucket tooth is limited primarily by axially in operation process, longitudinally, laterally cause twisting resistance and impulsive force, the fit structure of toothholder and bucket tooth requires have higher stability, enough combined strengths and property easy to assemble. The fit structure of existing toothholder and bucket tooth, it is common that be inserted and secured in the pin-and-hole running through bucket tooth, toothholder by pin. Known pin and circular rings and rubber ring with the use of, pin has a groove, the diameter of pin is slightly larger than the diameter of circular rings endoporus, circular jump ring is placed in the stepped hole of toothholder side with rubber ring molectron, pin traverse pin-and-hole, relying on circular rings to block pin with the frictional force that pin interference fit produces, make pin be fixed in pin-and-hole, bucket tooth is coordinated with toothholder by pin. Although toothholder and tooth set can be well combined together by pin, but whole pin and circular jump ring are overall interference fit, therefore relatively cumbersome during dismounting. Additionally due to foozle or toothholder use the reason of abrasion for a long time, bucket tooth there will be rocking in various degree, when shaking volume is bigger on left and right directions, is subject to certain unbalance loading at work due to bucket tooth, and pin is subject to shear and ruptures.
Summary of the invention
In view of this, it is desirable to provide a kind of simple in construction, easy to operate, pin is not susceptible to fracture, and the toothholder of long service life is connected more firm bucket tooth and toothholder molectron with bucket tooth.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that: a kind of bucket tooth and toothholder molectron, including a toothholder and the bucket tooth threadeded with toothholder, described toothholder includes interconnective toothholder head and toothholder body, described toothholder head is column structure, described toothholder head is provided with external screw thread, and the sidewall of described toothholder head is provided with a through hole;
Described bucket tooth includes the fixing end of interconnective bucket tooth and bucket tooth body, it is provided with a lock chamber in the fixing end of described bucket tooth, the open at one end of described lock chamber, the other end is positioned at the fixing end of bucket tooth, it is provided with female thread in described lock chamber, described female thread is suitable with external screw thread, and described bucket tooth is fixed relative two sidewall of end and is provided with the fixing hole communicated, and through hole and fixing hole pin are fixed together.
Further, the free end of described toothholder head is provided with a cone point.
Further, described toothholder body connects one end of toothholder head and is provided with a circular protrusions, and described projection and toothholder head are for being arranged concentrically.
Further, the transverse section of described projection is rectangular configuration or trapezium structure.
Further, described toothholder body is C type structure.
Further, described lock chamber is positioned at bucket tooth and fixes one end of end and be provided with the most advanced and sophisticated chamber suitable with cone point.
Further, described bucket tooth is fixed the end of end and is provided with a circular groove, and described groove and lock chamber are arranged concentrically.
Further, it is provided with packing ring in described groove.
Further, described bucket tooth is low-alloy steel with the material of toothholder.
Relative to prior art, present invention have the advantage that
(1) present configuration is simple, easy to operate, and pin is not susceptible to fracture, and the toothholder of long service life is connected more firm with bucket tooth;
(2) feature such as material wear-resistant of the present invention, high intensity, high tenacity, low hydrogen, low retained austenite compensate for the situation of common potassium steel short term failure.
Accompanying drawing explanation
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the structural representation of bucket tooth of the present invention and the toothholder of toothholder molectron.
Fig. 2 is the top view of bucket tooth of the present invention and the toothholder of toothholder molectron.
Fig. 3 is the front view of bucket tooth of the present invention and the toothholder of toothholder molectron.
Fig. 4 is the top view of bucket tooth of the present invention and the bucket tooth of toothholder molectron.
Fig. 5 is the left view of bucket tooth of the present invention and the bucket tooth of toothholder molectron.
Fig. 6 is the front view of bucket tooth of the present invention and the bucket tooth of toothholder molectron.
The structural representation that Fig. 7 is bucket tooth of the present invention to be combined with the bucket tooth of toothholder molectron and toothholder.
In figure: 1, toothholder; 2, bucket tooth; 3, toothholder head; 4, toothholder body; 5, through hole; 6, cone point; 7, protruding; 8, the fixing end of bucket tooth; 9, bucket tooth body; 10, lock chamber; 11, most advanced and sophisticated chamber; 12, fixing hole; 13, groove; 14, packing ring.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention. additionally, term " first ", " second " etc. are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic. thus, the feature defining " first ", " second " etc. can express or implicitly include one or more these features. in describing the invention, except as otherwise noted, " multiple " are meant that two or more.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention by concrete condition.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in figures 1 to 6, a kind of bucket tooth and toothholder molectron, including a toothholder 1 and the bucket tooth 2 threadeded with toothholder 1, the material of bucket tooth and toothholder is low-alloy steel, toothholder 1 includes interconnective toothholder head 3 and toothholder body 4, toothholder head 3 is column structure, toothholder head 3 is provided with external screw thread, the sidewall of toothholder head 3 is provided with a through hole 5, the free end of toothholder head 3 is provided with a cone point 6, toothholder body 4 is C type structure, toothholder body 4 connects one end of toothholder head 1 and is provided with a circular protrusions 7, projection 7 and toothholder head 3 are for being arranged concentrically, the transverse section of protruding 7 is trapezium structure,
Bucket tooth 2 includes the fixing end 8 of interconnective bucket tooth and bucket tooth body 9, it is provided with a lock chamber 10 in the fixing end 8 of bucket tooth, the open at one end of lock chamber 10, the other end is positioned at the fixing end 8 of bucket tooth, lock chamber 10 be positioned at bucket tooth fix end 8 one end be provided with the most advanced and sophisticated chamber 11 suitable with cone point 6, it is provided with female thread in lock chamber 10, female thread is suitable with external screw thread, bucket tooth is fixed relative two sidewall of end 8 and is provided with the fixing hole 12 communicated, bucket tooth is fixed the end of end 8 and is provided with a circular groove 13, groove 13 and lock chamber 10 are arranged concentrically, packing ring 14 it is provided with in groove 13, through hole 5 and fixing hole 12 pin 15 are fixed together.
The work process of the present embodiment: during use, inserts toothholder head 3 in lock chamber 10, and protruding 7 are positioned at groove 13 simultaneously, rotate toothholder head 3 and be fixed in lock chamber 10, now cone point 6 is positioned at most advanced and sophisticated chamber 11, and through hole 5 is corresponding with fixing hole 12, and is fixed together with pin 15.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. a bucket tooth and toothholder molectron, it is characterized in that: include a toothholder and the bucket tooth threadeded with toothholder, described toothholder includes interconnective toothholder head and toothholder body, described toothholder head is column structure, described toothholder head is provided with external screw thread, and the sidewall of described toothholder head is provided with a through hole;
Described bucket tooth includes the fixing end of interconnective bucket tooth and bucket tooth body, it is provided with a lock chamber in the fixing end of described bucket tooth, the open at one end of described lock chamber, the other end is positioned at the fixing end of bucket tooth, it is provided with female thread in described lock chamber, described female thread is suitable with external screw thread, and described bucket tooth is fixed relative two sidewall of end and is provided with the fixing hole communicated, and through hole and fixing hole pin are fixed together.
2. a kind of bucket tooth according to claim 1 and toothholder molectron, it is characterised in that: the free end of described toothholder head is provided with a cone point.
3. a kind of bucket tooth according to claim 1 and toothholder molectron, it is characterised in that: described toothholder body connects one end of toothholder head and is provided with a circular protrusions, and described projection and toothholder head are for being arranged concentrically.
4. a kind of bucket tooth according to claim 3 and toothholder molectron, it is characterised in that: the transverse section of described projection is rectangular configuration or trapezium structure.
5. a kind of bucket tooth according to claim 1 and toothholder molectron, it is characterised in that: described toothholder body is C type structure.
6. a kind of bucket tooth according to claim 2 and toothholder molectron, it is characterised in that: described lock chamber is positioned at bucket tooth to be fixed one end of end and is provided with the most advanced and sophisticated chamber suitable with cone point.
7. a kind of bucket tooth according to claim 1 and toothholder molectron, it is characterised in that: described bucket tooth is fixed the end of end and is provided with a circular groove, and described groove and lock chamber are arranged concentrically.
8. a kind of bucket tooth according to claim 7 and toothholder molectron, it is characterised in that: it is provided with packing ring in described groove.
9. a kind of bucket tooth according to any one of claim 1-8 and toothholder molectron, it is characterised in that: the material of described bucket tooth and toothholder is low-alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966863.9A CN105625498B (en) | 2015-12-18 | 2015-12-18 | A kind of bucket tooth and toothholder sub-assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966863.9A CN105625498B (en) | 2015-12-18 | 2015-12-18 | A kind of bucket tooth and toothholder sub-assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105625498A true CN105625498A (en) | 2016-06-01 |
| CN105625498B CN105625498B (en) | 2017-09-29 |
Family
ID=56040807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966863.9A Active CN105625498B (en) | 2015-12-18 | 2015-12-18 | A kind of bucket tooth and toothholder sub-assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105625498B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018187972A1 (en) * | 2017-04-12 | 2018-10-18 | 深圳市翼动科技有限公司 | Excavator bucket teeth convenient for replacement |
| CN112663719A (en) * | 2021-01-07 | 2021-04-16 | 湖南三特机械制造有限公司 | Bucket tooth assembly |
| CN115030260A (en) * | 2022-05-05 | 2022-09-09 | 宁国市开源电力耐磨材料有限公司 | Combined bucket tooth and tooth seat structure for loader |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153497A (en) * | 2006-09-26 | 2008-04-02 | 宁波浙东精密铸造有限公司 | Connecting structure for trolley tine and tine holder |
| US7788830B2 (en) * | 2008-02-08 | 2010-09-07 | Cqms Razer (Usa) Llc | Excavation retention assembly |
| CN202370031U (en) * | 2011-11-01 | 2012-08-08 | 三一重机有限公司 | Bucket tooth of digging bucket and digging bucket |
| CN203440864U (en) * | 2013-08-29 | 2014-02-19 | 太原重工股份有限公司 | Combined bucket tooth of excavator |
| CN104662233A (en) * | 2012-05-30 | 2015-05-27 | 康比磨损部件股份有限公司 | Tool and tool holder for a dredger |
| CN205314153U (en) * | 2015-12-18 | 2016-06-15 | 天津市东达伟业机车车辆有限公司 | Bucket tooth and toothholder sub -assembly |
-
2015
- 2015-12-18 CN CN201510966863.9A patent/CN105625498B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153497A (en) * | 2006-09-26 | 2008-04-02 | 宁波浙东精密铸造有限公司 | Connecting structure for trolley tine and tine holder |
| US7788830B2 (en) * | 2008-02-08 | 2010-09-07 | Cqms Razer (Usa) Llc | Excavation retention assembly |
| CN202370031U (en) * | 2011-11-01 | 2012-08-08 | 三一重机有限公司 | Bucket tooth of digging bucket and digging bucket |
| CN104662233A (en) * | 2012-05-30 | 2015-05-27 | 康比磨损部件股份有限公司 | Tool and tool holder for a dredger |
| CN203440864U (en) * | 2013-08-29 | 2014-02-19 | 太原重工股份有限公司 | Combined bucket tooth of excavator |
| CN205314153U (en) * | 2015-12-18 | 2016-06-15 | 天津市东达伟业机车车辆有限公司 | Bucket tooth and toothholder sub -assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018187972A1 (en) * | 2017-04-12 | 2018-10-18 | 深圳市翼动科技有限公司 | Excavator bucket teeth convenient for replacement |
| CN112663719A (en) * | 2021-01-07 | 2021-04-16 | 湖南三特机械制造有限公司 | Bucket tooth assembly |
| CN115030260A (en) * | 2022-05-05 | 2022-09-09 | 宁国市开源电力耐磨材料有限公司 | Combined bucket tooth and tooth seat structure for loader |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105625498B (en) | 2017-09-29 |
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