CN113323074A - Bucket tooth mechanism for earthwork tunneling and excavating device - Google Patents
Bucket tooth mechanism for earthwork tunneling and excavating device Download PDFInfo
- Publication number
- CN113323074A CN113323074A CN202110558537.XA CN202110558537A CN113323074A CN 113323074 A CN113323074 A CN 113323074A CN 202110558537 A CN202110558537 A CN 202110558537A CN 113323074 A CN113323074 A CN 113323074A
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- Prior art keywords
- tooth
- bucket
- toothholder
- bucket tooth
- unit
- 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
- 230000005641 tunneling Effects 0.000 title description 6
- 238000009412 basement excavation Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910000734 martensite Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000007790 scraping Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
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 relates to the technical field of excavating machinery, and provides a bucket tooth mechanism and an excavating device for earth excavation, aiming at solving the problems that the working tip part of the tooth tip part of a bucket tooth is seriously abraded, the loss is large and the use cost is high during excavation; simultaneously bucket tooth's prong part and the easy production of toothholder part during operation of bucket tooth are not hard up, and the clearance increase, and then lead to the wearing and tearing aggravation of bucket tooth, influence bucket tooth life's problem, including mutually supporting prong unit and toothholder unit, the prong unit through first round pin axle detachable install in on the toothholder unit, the prong unit includes the prong body and sets up in the mounting groove of prong body root, the lateral wall in opposite directions of prong body divide into the leading edge portion that is located the excavator scraper bowl inboard and is located the rear edge portion in the excavator scraper bowl outside. The invention is particularly suitable for excavation and preparation of earth excavation, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of excavating machinery, in particular to a bucket tooth mechanism for earth excavation and an excavating device.
Background
The excavator bucket tooth is an important part on an excavator, is similar to a human tooth and is also a wearing part, and is a combined bucket tooth consisting of a tooth seat part and a tooth tip part.
The working tip part of the tooth tip part of the bucket tooth is seriously abraded when in excavation, the loss is large, and the use cost is high; simultaneously for the prong part of change wearing and tearing, consequently the connection can be dismantled for the prong part of excavator scraper bowl, and the prong part of dismantling the connection can produce vibrations and scraping etc. often when the normal use, then can lead to the prong part of bucket tooth and the easy production of toothholder part during operation to become flexible like this, and the clearance increase, and then leads to the wearing and tearing aggravation of bucket tooth, influences the life of bucket tooth.
Therefore, the bucket tooth mechanism and the excavating device for earth excavation are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bucket tooth mechanism and an excavating device for earth excavation, which overcome the defects of the prior art, have reasonable design and compact structure and aim at solving the problems that the working tip part of the tooth tip part of the bucket tooth is seriously worn, the loss is large and the use cost is high during excavation; simultaneously, the tooth tip part and the tooth base part of the bucket tooth are easy to loosen during working, the clearance is increased, and then the abrasion of the bucket tooth is aggravated, and the service life of the bucket tooth is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a bucket tooth mechanism for earth excavation comprises a tooth point unit and a tooth seat unit which are matched with each other, wherein the tooth point unit is detachably mounted on the tooth seat unit through a first pin shaft, the tooth point unit comprises a tooth point body and a mounting groove formed in the root of the tooth point body, opposite side walls of the tooth point body are divided into a front edge part located on the inner side of an excavator bucket and a rear edge part located on the outer side of the excavator bucket, a pin shaft hole I for inserting and mounting the first pin shaft penetrates through the side wall of the mounting groove, a reinforcing part made of wear-resistant materials is fixed at the tail end of the tooth point body, and the cross section of the reinforcing part is oval and is expanded outwards towards the front edge part and the rear edge part to form a working reinforcing part welded with the tail end of the tooth point body;
the toothholder unit evenly distributed on the scraper bowl of excavator, including being fixed in the toothholder body on the scraper bowl, the terminal integrated into one piece of toothholder body has the grafting portion that matches the grafting installation groove, and link up on the lateral wall of grafting portion and offer the round pin shaft hole II that is used for first round pin axle grafting installation.
Preferably, the root of the toothholder body is provided with a toothholder positioning groove which is used for being inserted on the end surface of the excavator bucket, and the side wall of the toothholder body corresponding to the toothholder positioning groove is provided with a plurality of pin shaft holes III which are used for being fixed through a second pin shaft.
Preferably, a reinforcing part engaged with the upper side of the rear edge part is formed on the side wall of the tooth holder body close to the side of the inserting part and extends outwards.
Preferably, the inside of mounting groove is equipped with the inslot step, and is equipped with on the grafting portion and forms the grafting step that the second grade supported and cushioned with the inslot step cooperation.
Preferably, the wear-resistant material of the reinforcing portion is an alloy martensitic wear-resistant steel with w (c) of 0.2% to 0.35%.
Preferably, a tooth tip reinforcing part is formed on the side wall of the tooth tip body corresponding to the bottom position of the mounting groove in an outward expanding mode.
Preferably, the front edge part is an inclined curved surface, and the inclination angle is 8-15 degrees.
The invention also provides an excavating device applying the bucket tooth mechanism, which comprises the bucket tooth mechanism and an excavator bucket for mounting the bucket tooth mechanism.
(III) advantageous effects
The embodiment of the invention provides a bucket tooth mechanism and an excavating device for earth excavation, which have the following beneficial effects:
1. according to the bucket tooth mechanism, the first pin shaft and the second pin shaft are arranged, so that the bucket tooth mechanism is effectively and conveniently mounted, meanwhile, only the tooth point unit needs to be replaced during replacement, the cost is saved, the tooth point unit and the tooth base unit are mounted in a matched mode, independent inserting and fixing are carried out, the first pin shaft is matched with the detachable inserting and fixing, vibration and scraping are reduced, the fixing effect is better, and the bucket tooth mechanism is more stable.
2. According to the bucket tooth, the arrangement of the tooth tip working part and the wear-resistant material of the tooth tip working part are high in hardness and good in wear resistance, the tooth tip working part has good toughness and toughness matching, and is not easy to deform or break in use, so that the bucket tooth can be protected, the service life of the bucket tooth can be prolonged, and the use cost is reduced.
3. According to the invention, after the tooth tips are installed on the reinforcing part which is integrally formed on the tooth holder body, when the rear edge part of the clamping tooth tip is used for excavating earth by the bucket teeth of the bucket, the vibration and scraping are reduced, the supporting force of the bucket teeth from the side surface of the root part is formed, and the excavating effect is improved.
4. According to the invention, the step in the groove and the inserting step matched with the step in the groove form secondary support and buffering, so that the secondary support is effectively cushioned and carried out, the pressure borne by the bucket teeth during tunneling is reduced, and the service life of the bucket teeth is prolonged.
5. According to the invention, the inclined curved surface at the front edge part is convenient for earthwork tunneling, and the two sides of the front edge part are respectively provided with the inwards-concave soil dividing grooves in an open arc shape, so that the earthwork tunneling and the divided entering into the bucket are more convenient, the force application consumption is reduced, and the energy efficiency is improved.
Drawings
The above features, technical features, advantages and modes of realisation of a tooth mechanism and excavating device for earth moving will be described in more detail below with reference to the accompanying drawings, which illustrate preferred embodiments in a clearly understandable manner.
FIG. 1 is a schematic view of the construction of the tooth tip of the present invention;
FIG. 2 is a structural cross-sectional view of a tooth tip in accordance with the present invention;
FIG. 3 is a schematic view of the tooth holder according to the present invention;
FIG. 4 is a structural cross-sectional view of a tooth holder in the present invention;
FIG. 5 is a cross-sectional view of the tooth mechanism of the present invention.
In the figure: tooth point body 1, mounting groove 2, inslot step 201, key shaft hole I3, tooth point reinforcing part 4, leading edge portion 5, trailing edge portion 6, tooth point work portion 7, work reinforcing part 701, toothholder body 8, grafting portion 9, grafting step 901, key shaft hole II 10, toothholder constant head tank 11, key shaft hole III 12, reinforcement 13.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 5 and examples:
example 1
A bucket tooth mechanism for earth excavation comprises a tooth point unit and a tooth base unit which are matched with each other, wherein the tooth point unit is detachably mounted on the tooth base unit through a first pin shaft, the tooth point unit comprises a tooth point body 1 and a mounting groove 2 arranged at the root of the tooth point body 1, opposite side walls of the tooth point body 1 are divided into a front edge part 5 positioned on the inner side of an excavator bucket and a rear edge part 6 positioned on the outer side of the excavator bucket, a pin shaft hole I3 for inserting and mounting of the first pin shaft penetrates through the side wall of the mounting groove 2, a reinforcing part 4 made of wear-resistant materials is fixed at the tail end of the tooth point body 1, the cross section of the reinforcing part 4 is oval, and the reinforcing part is expanded outwards to the front edge part 5 and the rear edge part 6 to form a working reinforcing part 701 welded with the tail end of the tooth point body 1;
toothholder unit evenly distributed is on the scraper bowl of excavator, including being fixed in toothholder body 8 on the scraper bowl, the terminal integrated into one piece of toothholder body 8 has the grafting portion 9 that matches the grafting and insert into mounting groove 2, and link up on the lateral wall of grafting portion 9 and offer the round pin shaft hole II 10 that is used for first round pin axle grafting installation.
In this embodiment, as shown in fig. 3 to 4, a tooth holder positioning groove 11 for being inserted into the end surface of the excavator bucket is formed in the root of the tooth holder body 8, and a plurality of pin shaft holes iii 12 for being fixed by a second pin shaft are formed in the side wall of the tooth holder body 8 corresponding to the tooth holder positioning groove 11, so that the tooth holder unit can be conveniently and effectively installed on the excavator bucket.
In the present embodiment, as shown in fig. 3 to 5, a reinforcing portion 13 engaging with the upper side of the rear edge portion 6 is formed to extend outward on the side wall of the tooth holder body 8 on the side close to the socket portion 9, so as to form a supporting force for the tooth from the root side surface when the tooth of the bucket digs the earth, thereby improving the digging effect.
In this embodiment, as shown in fig. 1, an inner step 201 is disposed inside the mounting groove 2, and an insertion step 901 which forms a secondary support and a buffer by cooperating with the inner step 201 is disposed on the insertion part 9, so as to effectively damp and perform a secondary support, reduce the pressure borne by the bucket teeth during tunneling, and prolong the life of the bucket teeth.
In this embodiment, the wear-resistant material of the reinforcing portion 4 is an alloy martensite wear-resistant steel with a w (c) content of 0.2% to 0.35%, and the steel is subjected to water quenching and tempering, so that the steel has high hardness, good wear resistance, good toughness and good toughness, and is not easy to deform or break during use.
In this embodiment, as shown in fig. 1, a tooth tip reinforcing portion 4 is formed on the side wall of the tooth tip body 1 corresponding to the bottom position of the installation groove 2 by outward expansion, so as to improve the overall structural strength of the tooth tip unit.
In this embodiment, as shown in fig. 1, the front edge portion 5 is an inclined curved surface, the inclination angle is 8 ° to 15 °, and both sides of the front edge portion 5 are provided with inward-recessed open arc-shaped soil dividing grooves, so that the soil can be conveniently tunneled and separately enter the bucket, the force application consumption is reduced, and the energy efficiency is improved.
Example 2
The invention also provides an excavating device applying the bucket tooth mechanism, which comprises the bucket tooth mechanism and an excavator bucket for mounting the bucket tooth mechanism.
Other undescribed structures refer to example 1.
According to the bucket tooth mechanism and the excavating device for earth excavation of the embodiment of the invention, the first pin shaft and the second pin shaft are arranged, so that the convenient installation of the bucket tooth mechanism is effectively ensured, and meanwhile, only the tooth tip unit needs to be replaced during replacement, so that the cost is saved;
the tooth point unit and the tooth seat unit are installed in a matched mode, independent inserting and fixing are conducted, the first pin shaft is matched with the first pin shaft in a detachable inserting and fixing mode, the fixing effect is better, and the fixing is more stable;
what more important lies in, the setting of prong work portion 7 and the wear-resisting material of prong work portion 7, hardness is high, the wearability is good, have fine obdurability cooperation, non-deformable and fracture in the use, not only can protect the bucket tooth, more can improve the life of bucket tooth, reduce use cost, simultaneously, integrated into one piece deletes reinforcing part 13 given at toothholder body 8 behind the installation prong, trailing edge 6 of block prong forms the holding power that comes from the root side to the bucket tooth when the bucket tooth of scraper bowl is tunneled the earthwork, improve the tunnelling effect.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. A bucket tooth mechanism for earth excavation comprises a tooth point unit and a tooth seat unit which are matched with each other, wherein the tooth point unit is detachably arranged on the tooth seat unit through a first pin shaft, the excavator bucket tooth point unit is characterized in that the tooth point unit comprises a tooth point body (1) and a mounting groove (2) formed in the root of the tooth point body (1), opposite side walls of the tooth point body (1) are divided into a front edge part (5) located on the inner side of an excavator bucket and a rear edge part (6) located on the outer side of the excavator bucket, a pin shaft hole I (3) for inserting and mounting a first pin shaft is formed in the side wall of the mounting groove (2) in a penetrating mode, a reinforcing part (4) made of wear-resistant materials is fixed at the tail end of the tooth point body (1), the cross section of the reinforcing part (4) is elliptic, and the reinforcing part is expanded to the front edge part (5) and the rear edge part (6) to form a working reinforcing part (701) welded with the tail end of the tooth tip body (1);
the toothholder unit evenly distributed on the scraper bowl of excavator, including toothholder body (8) on being fixed in the scraper bowl, the terminal integrated into one piece of toothholder body (8) has grafting portion (9) that the matching was inserted into mounting groove (2), and link up on the lateral wall of grafting portion (9) and offer round pin axle hole II (10) that are used for first round pin axle grafting installation.
2. A tooth mechanism for earth moving as claimed in claim 1, wherein: the root of toothholder body (8) is seted up and is used for pegging graft toothholder constant head tank (11) on excavator scraper bowl terminal surface, and toothholder body (8) are seted up a plurality of round pin axle holes III (12) that are used for fixing through the second round pin axle on the lateral wall that corresponds toothholder constant head tank (11) position.
3. A tooth mechanism for earth moving as claimed in claim 1, wherein: and a reinforcing part (13) which is clamped with the upper side of the rear edge part (6) is formed on the side wall of the tooth holder body (8) close to one side of the inserting part (9) in an outward extending way.
4. A tooth mechanism for earth moving as claimed in claim 1, wherein: the inside of mounting groove (2) is equipped with inslot step (201), and is equipped with on grafting portion (9) and forms grafting step (901) that the second grade supported and cushioned with inslot step (201) cooperation.
5. A tooth mechanism for earth moving as claimed in claim 1, wherein: the wear-resistant material of the reinforcing part (4) is alloy martensite wear-resistant steel with W (C) of 0.2-0.35%.
6. A tooth mechanism for earth moving as claimed in claim 1, wherein: the tooth point body (1) is provided with a tooth point reinforcing part (4) by outward expansion on the side wall corresponding to the bottom of the mounting groove (2).
7. A tooth mechanism for earth moving as claimed in claim 1, wherein: the front edge part (5) is an inclined curved surface, and the inclination angle is 8-15 degrees.
8. A digging implement incorporating the tooth mechanism as claimed in any one of claims 1 to 7, wherein: the excavator bucket comprises the bucket tooth mechanism and an excavator bucket for mounting the bucket tooth mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558537.XA CN113323074A (en) | 2021-05-21 | 2021-05-21 | Bucket tooth mechanism for earthwork tunneling and excavating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558537.XA CN113323074A (en) | 2021-05-21 | 2021-05-21 | Bucket tooth mechanism for earthwork tunneling and excavating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113323074A true CN113323074A (en) | 2021-08-31 |
Family
ID=77416255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110558537.XA Pending CN113323074A (en) | 2021-05-21 | 2021-05-21 | Bucket tooth mechanism for earthwork tunneling and excavating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113323074A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11131534A (en) * | 1997-10-30 | 1999-05-18 | Shin Caterpillar Mitsubishi Ltd | Excavation cutting edge and manufacture thereof |
| JP2006045769A (en) * | 2004-07-30 | 2006-02-16 | Shin Caterpillar Mitsubishi Ltd | Excavation bucket |
| US20090165339A1 (en) * | 2007-12-20 | 2009-07-02 | Kiyoshi Watanabe | Lateral pin and lateral pin type tooth point structure for use with lateral pin type fixture for working machine bucket |
| CN103290880A (en) * | 2013-05-09 | 2013-09-11 | 上海三一重机有限公司 | Asymmetric bucket teeth and excavator |
| CN104164901A (en) * | 2013-05-16 | 2014-11-26 | 刘育超 | Bucket tooth and tooth base connecting mechanism of engineering machine |
| CN105332400A (en) * | 2015-11-19 | 2016-02-17 | 如皋市华阳铝制品有限公司 | Novel buffer type excavator toothholder and bucket tooth combination device |
| CN206143842U (en) * | 2015-08-27 | 2017-05-03 | 斗山英维高株式会社 | Bucket tooth assembly |
| CN106638737A (en) * | 2016-12-30 | 2017-05-10 | 永平县建达鑫鑫合金铸造有限公司 | Excavator bucket |
| CN206815433U (en) * | 2017-06-06 | 2017-12-29 | 温能灿 | A kind of multifunctional excavator bucket tooth |
| WO2020076080A1 (en) * | 2018-10-10 | 2020-04-16 | 성보공업주식회사 | Bucket tooth of excavator and method for manufacturing same |
| CN212052971U (en) * | 2020-01-10 | 2020-12-01 | 宿迁市宝利精密机械制造有限公司 | High-strength transverse pin bucket tooth of excavator |
-
2021
- 2021-05-21 CN CN202110558537.XA patent/CN113323074A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11131534A (en) * | 1997-10-30 | 1999-05-18 | Shin Caterpillar Mitsubishi Ltd | Excavation cutting edge and manufacture thereof |
| JP2006045769A (en) * | 2004-07-30 | 2006-02-16 | Shin Caterpillar Mitsubishi Ltd | Excavation bucket |
| US20090165339A1 (en) * | 2007-12-20 | 2009-07-02 | Kiyoshi Watanabe | Lateral pin and lateral pin type tooth point structure for use with lateral pin type fixture for working machine bucket |
| CN103290880A (en) * | 2013-05-09 | 2013-09-11 | 上海三一重机有限公司 | Asymmetric bucket teeth and excavator |
| CN104164901A (en) * | 2013-05-16 | 2014-11-26 | 刘育超 | Bucket tooth and tooth base connecting mechanism of engineering machine |
| CN206143842U (en) * | 2015-08-27 | 2017-05-03 | 斗山英维高株式会社 | Bucket tooth assembly |
| CN105332400A (en) * | 2015-11-19 | 2016-02-17 | 如皋市华阳铝制品有限公司 | Novel buffer type excavator toothholder and bucket tooth combination device |
| CN106638737A (en) * | 2016-12-30 | 2017-05-10 | 永平县建达鑫鑫合金铸造有限公司 | Excavator bucket |
| CN206815433U (en) * | 2017-06-06 | 2017-12-29 | 温能灿 | A kind of multifunctional excavator bucket tooth |
| WO2020076080A1 (en) * | 2018-10-10 | 2020-04-16 | 성보공업주식회사 | Bucket tooth of excavator and method for manufacturing same |
| CN212052971U (en) * | 2020-01-10 | 2020-12-01 | 宿迁市宝利精密机械制造有限公司 | High-strength transverse pin bucket tooth of excavator |
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Application publication date: 20210831 |