CN105625498B - A kind of bucket tooth and toothholder sub-assembly - Google Patents
A kind of bucket tooth and toothholder sub-assembly Download PDFInfo
- Publication number
- CN105625498B CN105625498B CN201510966863.9A CN201510966863A CN105625498B CN 105625498 B CN105625498 B CN 105625498B CN 201510966863 A CN201510966863 A CN 201510966863A CN 105625498 B CN105625498 B CN 105625498B
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- CN
- China
- Prior art keywords
- toothholder
- bucket tooth
- sub
- assembly
- head
- 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.)
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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
Abstract
The invention provides a kind of bucket tooth and toothholder sub-assembly, belong to excavator mechanical device technical field, the bucket tooth being threadedly coupled including a toothholder and with toothholder, toothholder includes the toothholder head being connected with each other and toothholder body, toothholder head is column structure, toothholder head is provided with external screw thread, and the side wall of toothholder head is provided with a through hole；Bucket tooth includes the bucket tooth fixing end being connected with each other and bucket tooth body, a lock chamber is provided with bucket tooth fixing end, the open at one end of lock chamber, the other end is located in bucket tooth fixing end, internal thread is provided with lock chamber, internal thread is adapted with external screw thread, and the relative two side wall of bucket tooth fixing end is provided with the fixing hole communicated.The present invention is simple in construction, easy to operate, and pin is not susceptible to fracture, and the toothholder of service life length is connected more firm with bucket tooth；The features such as material wear-resistant, high intensity, high tenacity, low hydrogen, low retained austenite, compensate for the situation of common potassium steel short term failure.
Description
Technical field
The present invention relates to excavator mechanical device technical field, specifically a kind of bucket tooth and toothholder sub-assembly.
Background technology
The fit structure of toothholder and bucket tooth on power shovel is main by axially, longitudinally, laterally in operation process
The fit structure requirement of caused twisting resistance and impulsive force, toothholder and bucket tooth has higher stability, enough combined strengths
With property easy to assemble.The fit structure of existing toothholder and bucket tooth, is inserted and secured on through bucket tooth, toothholder typically by pin
Pin-and-hole in.Known pin is used cooperatively with circular rings and rubber ring, there is a groove on pin, and the diameter of pin is slightly larger than
The diameter of circular rings endoporus, circular jump ring and rubber ring sub-assembly are placed in the stepped hole of toothholder side, and pin passes through pin-and-hole,
The frictional force produced is interference fitted by circular rings and pin and blocks pin, pin is fixed in pin-and-hole, bucket tooth passes through pin
Coordinate with toothholder.Although toothholder and tooth set can be combined together by pin well, whole pin is overall with circular jump ring
Interference fit, thus it is relatively cumbersome during dismounting.Additionally due to foozle or toothholder are for a long time using the reason of abrasion, bucket tooth meeting
Appearance is different degrees of to rock, when shaking volume is larger on left and right directions, because bucket tooth is at work by certain unbalance loading, pin
It is sub to be easily broken by shearing.
The content of the invention
In view of this, the present invention is intended to provide a kind of simple in construction, easy to operate, pin is not susceptible to fracture, uses the longevity
The long toothholder of life is connected more firm bucket tooth and toothholder sub-assembly with bucket tooth.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：A kind of bucket tooth and toothholder sub-assembly, including
One toothholder and the bucket tooth being threadedly coupled with toothholder, the toothholder include the toothholder head being connected with each other and toothholder body, the toothholder
Head is column structure, and the toothholder head is provided with external screw thread, and the side wall of the toothholder head is provided with a through hole；
The bucket tooth includes fixing provided with one in the bucket tooth fixing end being connected with each other and bucket tooth body, the bucket tooth fixing end
Chamber, the open at one end of the lock chamber, the other end is located in bucket tooth fixing end, and internal thread is provided with the lock chamber, described interior
Screw thread is adapted with external screw thread, and the relative two side wall of the bucket tooth fixing end is provided with the fixing hole communicated, and through hole is with consolidating
Determine hole to be fixed together with pin.
Further, the free end of the toothholder head is provided with a cone point.
Further, one end of the toothholder body connection toothholder head is provided with a circular protrusions, the raised and toothholder head
To be arranged concentrically.
Further, the raised cross section is rectangular configuration or trapezium structure.
Further, the toothholder body is c-type structure.
Further, one end that the lock chamber is located in bucket tooth fixing end is provided with the tip being adapted with cone point
Chamber.
Further, the end of the bucket tooth fixing end is provided with a circular groove, and the groove is arranged concentrically with lock chamber.
Further, packing ring is provided with the groove.
Further, the material of the bucket tooth and toothholder is low-alloy steel.
Relative to prior art, the present invention has the advantage that：
(1) present invention is simple in construction, easy to operate, and pin is not susceptible to fracture, and toothholder and the bucket tooth of service life length connect
Connect more firm；
(2) common Gao Meng is compensate for the features such as material wear-resistant of the present invention, high intensity, high tenacity, low hydrogen, low retained austenite
The situation of steel short term failure.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute 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 sub-assembly.
Fig. 2 is the top view of bucket tooth of the present invention and the toothholder of toothholder sub-assembly.
Fig. 3 is the front view of bucket tooth of the present invention and the toothholder of toothholder sub-assembly.
Fig. 4 is the top view of bucket tooth of the present invention and the bucket tooth of toothholder sub-assembly.
Fig. 5 is the left view of bucket tooth of the present invention and the bucket tooth of toothholder sub-assembly.
Fig. 6 is the front view of bucket tooth of the present invention and the bucket tooth of toothholder sub-assembly.
The structural representation that Fig. 7 combines for the bucket tooth of bucket tooth of the present invention and toothholder sub-assembly with toothholder.
In figure：1st, toothholder；2nd, bucket tooth；3rd, toothholder head；4th, toothholder body；5th, through hole；6th, cone point；7th, it is raised；8th, struggle against
Tooth fixing end；9th, bucket tooth body；10th, lock chamber；11st, sophisticated chamber；12nd, fixing hole；13rd, groove；14th, packing ring.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " 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 indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figures 1 to 6, a kind of bucket tooth and toothholder sub-assembly, including a toothholder 1 and the bucket tooth 2 that is threadedly coupled with toothholder 1,
The material of bucket tooth and toothholder is low-alloy steel, and toothholder 1 includes the toothholder first 3 being connected with each other and toothholder body 4, and toothholder first 3 is post
Shape structure, toothholder first 3 is provided with external screw thread, and the side wall of toothholder first 3 is provided with a through hole 5, and the free end of toothholder first 3 is provided with a cone
Shape tip 6, toothholder body 4 be c-type structure, toothholder body 4 connection toothholder first 1 one end be provided with a circular protrusions 7, projection 7 with
Toothholder first 3 is is arranged concentrically, and the cross section of projection 7 is trapezium structure；
Bucket tooth 2 includes being provided with a lock chamber in the bucket tooth fixing end 8 being connected with each other and bucket tooth body 9, bucket tooth fixing end 8
10, the open at one end of lock chamber 10, the other end is located in bucket tooth fixing end 8, and lock chamber 10 is located at one end in bucket tooth fixing end 8
Provided with the sophisticated chamber 11 being adapted with cone point 6, internal thread is provided with lock chamber 10, internal thread is adapted with external screw thread, struggled against
The relative two side wall of tooth fixing end 8 is provided with the fixing hole 12 communicated, and the end of bucket tooth fixing end 8 is provided with a circular groove
13, groove 13 is arranged concentrically with lock chamber 10, and packing ring 14 is provided with groove 13, and through hole 5 is fixed on fixing hole 12 with pin 15
Together.
The course of work of the present embodiment：In use, toothholder first 3 is inserted in lock chamber 10, while projection 7 is located at groove 13
It is interior, rotate toothholder first 3 and be fixed in lock chamber 10, now cone point 6 is located in sophisticated chamber 11, and through hole 5 is with fixing
Hole 12 is corresponding, and is fixed together with pin 15.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of bucket tooth and toothholder sub-assembly, it is characterised in that：The bucket tooth being threadedly coupled including a toothholder and with toothholder, the tooth
Seat includes the toothholder head being connected with each other and toothholder body, and the toothholder head is column structure, and the toothholder head is provided with external screw thread,
The side wall of the toothholder head is provided with a through hole；
The bucket tooth includes being provided with a lock chamber in the bucket tooth fixing end being connected with each other and bucket tooth body, the bucket tooth fixing end,
The open at one end of the lock chamber, the other end is located in bucket tooth fixing end, and internal thread, the internal thread are provided with the lock chamber
It is adapted with external screw thread, the relative two side wall of the bucket tooth fixing end is provided with the fixing hole communicated, through hole and fixing hole
It is fixed together with pin.
2. a kind of bucket tooth according to claim 1 and toothholder sub-assembly, it is characterised in that：The free end of the toothholder head is set
There is a cone point.
3. a kind of bucket tooth according to claim 1 and toothholder sub-assembly, it is characterised in that：The toothholder body connects toothholder
One end of head is provided with a circular protrusions, and the projection is to be arranged concentrically with toothholder head.
4. a kind of bucket tooth according to claim 3 and toothholder sub-assembly, it is characterised in that：The raised cross section is square
Shape structure or trapezium structure.
5. a kind of bucket tooth according to claim 1 and toothholder sub-assembly, it is characterised in that：The toothholder body is c-type knot
Structure.
6. a kind of bucket tooth according to claim 2 and toothholder sub-assembly, it is characterised in that：The lock chamber is solid positioned at bucket tooth
One end in fixed end is provided with the sophisticated chamber being adapted with cone point.
7. a kind of bucket tooth according to claim 1 and toothholder sub-assembly, it is characterised in that：The end of the bucket tooth fixing end
Provided with a circular groove, the groove is arranged concentrically with lock chamber.
8. a kind of bucket tooth according to claim 7 and toothholder sub-assembly, it is characterised in that：Packing ring is provided with the groove.
9. a kind of bucket tooth and toothholder sub-assembly according to claim any one of 1-8, it is characterised in that：The bucket tooth and tooth
The material of seat 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 CN105625498A (en) | 2016-06-01 |
| CN105625498B true 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) |
Families Citing this family (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 |
Family Cites Families (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 |
| SE538940C2 (en) * | 2012-05-30 | 2017-02-28 | Combi Wear Parts Ab | Tools and tool holders for dredgers |
| 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 |
-
2015
- 2015-12-18 CN CN201510966863.9A patent/CN105625498B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105625498A (en) | 2016-06-01 |
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