CN102373725B - Reamer tooth for cutter suction dredger - Google Patents
Reamer tooth for cutter suction dredger Download PDFInfo
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- CN102373725B CN102373725B CN 201110402884 CN201110402884A CN102373725B CN 102373725 B CN102373725 B CN 102373725B CN 201110402884 CN201110402884 CN 201110402884 CN 201110402884 A CN201110402884 A CN 201110402884A CN 102373725 B CN102373725 B CN 102373725B
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Abstract
The invention relates to a reamer tooth for a cutter suction dredger, aiming at solving the problems of poor abrasion resistance, easiness for fracture and short service life of the traditional reamer teeth. The reamer tooth comprise a tooth tip and a tooth handle, wherein the tooth tip and the tooth handle are manufactured into a whole, a first groove matched with a tooth seat and a tooth lug are arranged on a rear side face of the tooth handle, the thickness of the top end of the tooth tip of the reamer tooth is 17-19mm, a grinding surface of the tooth tip is a plane, an included angle between the grinding surface and the tooth handle is 5-10 degrees, an end face of the reamer tooth, opposite to the grinding surface, is a back side face which is parallel to a central line of the tooth handle, an included angle between an end face of the tooth tip, adjacent to the back side face, and the central line of the tooth handle is 29-31 degrees, and the back side face and the upper side face of the tooth handle constitute a force bearing face. The reamer tooth disclosed by the invention is used for the cutter suction dredger.
Description
Technical field
The present invention relates to a kind of dredge boat reamer tooth.
Background technology
Cutter suction dredger is the capital equipment that China's dredging industry is used for the geological conditionss such as silt, sandstone and decomposed rock in the cleaning navigation channel at present.Reamer tooth often adopts wide tooth, drinks the reamer tooth of tooth and three kinds of forms of pointed tooth according to the difference of geological conditions in construction as the main consumable accessory of cutter suntion dredger, and it is the most commonly used wherein to drink tooth.But, because the wearing no resistance of reamer tooth, frangibility and life-span are short, had a strong impact on the operating efficiency of dredge boat.
Cutter suction dredger to enter China the dredging industry since, existing more than 30 years, and the problem in application life of reamer tooth is the key issue of puzzlement dredge boat service efficiency always, no matter be block cast reamer tooth, castingin reamer tooth, or the reamer tooth of surface overlaying does not all reach long-life and low cost.
Summary of the invention
Order of the present invention be for solve the wearing no resistance of existing reamer tooth, frangibility and application life short problem, and then provide a kind of reamer tooth for cutter suction dredger.
The present invention addresses the above problem the technical scheme of taking to be: a kind of reamer tooth for cutter suction dredger of the present invention comprises crown and tooth handle, described crown and tooth handle are made one, the trailing flank of described tooth handle is provided with the first groove and the tooth ear that matches with toothholder, the crown tip thickness of reamer tooth is 17mm～19mm, the grinding face of described crown is the plane, 5 °～10 ° of angles between the center line of grinding face and tooth handle, the end face of the reamer tooth relative with grinding face is dorsal surface, dorsal surface is parallel with the center line of tooth handle, angle between the end face of the crown adjacent with dorsal surface and the center line of tooth handle is 29 °～31 °, and the upper side of described dorsal surface and tooth handle consists of load-carrying surface.
The invention has the beneficial effects as follows: the crown tip thickness of reamer tooth is 17mm～19mm, angle between the center line of the end face of crown and tooth handle is 29 °～31 °, crown loading angle and contact area are improved, improved the reamer tooth wear resistance, so that digging of reamer tooth cut efficient and cutter tooth life-span and reached best combination, improve 1～2 times application life; Adjust the stressed molded line of tooth handle, increase the thickness of tooth handle force area, strengthened bulk strength, prevent fracture, strengthen and resist impact capacity; Surplus is evenly gone in the load-carrying surface both sides, and the reasonable Arrangement structure has guaranteed little quality high strength.
Description of drawings
Fig. 1 is overall structure stereogram of the present invention, and Fig. 2 is overall structure front view of the present invention, and Fig. 3 is the top view of Fig. 2.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1～Fig. 3, a kind of reamer tooth for cutter suction dredger of present embodiment comprises crown 1 and tooth handle 2, described crown 1 and tooth handle 2 are made one, the trailing flank of described tooth handle 2 is provided with the first groove 2-1 and the tooth ear 2-2 that matches with toothholder, the crown 1 tip thickness h of reamer tooth is 17mm～19mm, the grinding face 3 of described crown 1 is the plane, angle α between the center line of grinding face 3 and tooth handle 2 is 5 °～10 °, the end face of the reamer tooth relative with grinding face 3 is dorsal surface 4, dorsal surface 4 is parallel with the center line of tooth handle 2, angle β between the end face 1-1 of the crown 1 adjacent with dorsal surface 4 and the center line of tooth handle 2 is 29 °～31 °, and described dorsal surface 4 consists of load-carrying surface 5 with the upper side of tooth handle 2.
The specific embodiment two: in conjunction with Fig. 3 present embodiment is described, the described reamer tooth of present embodiment also comprises reinforcing rib 6, and reinforcing rib 6 is vertically set on the load-carrying surface 5 along the centerline direction of tooth handle 2, and reinforcing rib 6, crown 1 and tooth handle 2 are made one.So arrange, reduction load-carrying surface materials reduce the product total quality, cost, and other is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 3 present embodiment is described, the length L of the described reinforcing rib 6 of present embodiment is 316mm～322mm, and width W is 23mm～27mm.So arrange, meet the design requirements and the actual needs, other is identical with the specific embodiment two.
The specific embodiment four: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, described the first groove 2-1 of present embodiment is wedge-shaped slot.So arrange, it is firm that reamer tooth of the present invention is connected with toothholder, meets design requirement, and other is identical with the specific embodiment one.
The specific embodiment five: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, the described crown 1 of present embodiment and tooth handle 2 all adopt the ZG34 cast to form.Present embodiment adopts the ZG34 high-strength cast steel, replace original reamer tooth to adopt the cast steel material of the moderate strengths such as ZG35Mn, ZG35CrMnSi, ZG35CrMo, reamer tooth of the present invention has high strength, high rigidity and high tenacity, thereby more improved reamer tooth abrasion resistance of the present invention, make its more not frangibility, meet design requirement, other is identical with the specific embodiment one.
Claims (5)
1. reamer tooth for cutter suction dredger, described reamer tooth comprises crown (1) and tooth handle (2), described crown (1) and tooth handle (2) are made one, the trailing flank of described tooth handle (2) is provided with the first groove (2-1) and the tooth ear (2-2) that matches with toothholder, it is characterized in that: the crown of reamer tooth (1) tip thickness (h) is 17mm～19mm, the grinding face (3) of described crown (1) is the plane, angle (α) between the center line of grinding face (3) and tooth handle (2) is 5 °～10 °, the end face of the reamer tooth relative with grinding face (3) is dorsal surface (4), dorsal surface (4) is parallel with the center line of tooth handle (2), angle (β) between the end face (1-1) of the crown (1) adjacent with dorsal surface (4) and the center line of tooth handle (2) is 29 °～31 °, and described dorsal surface (4) consists of load-carrying surface (5) with the upper side of tooth handle (2).
2. a kind of reamer tooth for cutter suction dredger according to claim 1, it is characterized in that: described reamer tooth also comprises reinforcing rib (6), reinforcing rib (6) is vertically set on the load-carrying surface (5) along the centerline direction of tooth handle (2), and reinforcing rib (6), crown (1) and tooth handle (2) are made one.
3. a kind of reamer tooth for cutter suction dredger according to claim 2 is characterized in that: the length (L) of described reinforcing rib (6) is 316mm～322mm, and width (W) is 23mm～27mm.
4. a kind of reamer tooth for cutter suction dredger according to claim 1, it is characterized in that: described the first groove (2-1) is wedge-shaped slot.
5. a kind of reamer tooth for cutter suction dredger according to claim 1 is characterized in that: described crown (1) and tooth handle (2) all adopt the cast of ZG34 cast steel to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110402884 CN102373725B (en) | 2011-12-07 | 2011-12-07 | Reamer tooth for cutter suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110402884 CN102373725B (en) | 2011-12-07 | 2011-12-07 | Reamer tooth for cutter suction dredger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102373725A CN102373725A (en) | 2012-03-14 |
| CN102373725B true CN102373725B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110402884 Active CN102373725B (en) | 2011-12-07 | 2011-12-07 | Reamer tooth for cutter suction dredger |
Country Status (1)
| Country | Link |
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| CN (1) | CN102373725B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170044742A1 (en) * | 2015-08-10 | 2017-02-16 | Caterpillar Inc. | Replaceable Tip Systems for a Tine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88200032U (en) * | 1988-01-06 | 1988-11-09 | 天津修船技术研究所 | Movable teeth type reamer for dredger |
| EP1522636A1 (en) * | 2003-10-09 | 2005-04-13 | Jan De Nul N.V. | Digger cuttertooth replacing robot on a dredger |
| CN201581432U (en) * | 2009-11-25 | 2010-09-15 | 中国船舶重工集团公司第七�三研究所 | Cutter tooth of cutter-suction dredger |
| CN202416413U (en) * | 2011-12-07 | 2012-09-05 | 中国船舶重工集团公司第七�三研究所 | Cutter head tooth of cutter-suction dredger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1031253C2 (en) * | 2006-02-28 | 2007-08-29 | Vosta Lmg Bv | Cutting head with improved yield, as well as cutter suction dredger provided with such a cutting head. |
-
2011
- 2011-12-07 CN CN 201110402884 patent/CN102373725B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88200032U (en) * | 1988-01-06 | 1988-11-09 | 天津修船技术研究所 | Movable teeth type reamer for dredger |
| EP1522636A1 (en) * | 2003-10-09 | 2005-04-13 | Jan De Nul N.V. | Digger cuttertooth replacing robot on a dredger |
| CN201581432U (en) * | 2009-11-25 | 2010-09-15 | 中国船舶重工集团公司第七�三研究所 | Cutter tooth of cutter-suction dredger |
| CN202416413U (en) * | 2011-12-07 | 2012-09-05 | 中国船舶重工集团公司第七�三研究所 | Cutter head tooth of cutter-suction dredger |
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| Publication number | Publication date |
|---|---|
| CN102373725A (en) | 2012-03-14 |
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Effective date of registration: 20160108 Address after: 150090 No. 35, Honghu Road, Yingbin Road, Harbin hi tech Development Zone, Heilongjiang, China Patentee after: Harbin broad power technology development Co., Ltd. Address before: 150036 Hongqi Street, Xiangfang District, Heilongjiang, China, No. 108, No. Patentee before: No.703 Inst. China Ship Heavy Industry Group Co. |