CN107806125B - Shovel blade assembly and bulldozer - Google Patents
Shovel blade assembly and bulldozer Download PDFInfo
- Publication number
- CN107806125B CN107806125B CN201711292562.8A CN201711292562A CN107806125B CN 107806125 B CN107806125 B CN 107806125B CN 201711292562 A CN201711292562 A CN 201711292562A CN 107806125 B CN107806125 B CN 107806125B
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- CN
- China
- Prior art keywords
- blade
- shovel blade
- hinged
- push rod
- bulldozer
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/815—Blades; Levelling or scarifying tools
- E02F3/8152—Attachments therefor, e.g. wear resisting parts, cutting edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Harvester Elements (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention relates to the technical field of engineering vehicles, and particularly discloses a shovel blade assembly and a bulldozer, wherein the shovel blade assembly comprises a shovel blade, the shovel blade comprises a shovel blade body and a shovel blade head arranged at the front end of the shovel blade body, the shovel blade head comprises a plurality of arc-shaped plates arranged along the length direction of the shovel blade body, the arc-shaped plates are sequentially connected and integrally zigzag, and two adjacent arc-shaped plates are connected to the tooth root or the tooth tip of the zigzag; the left push rod is hinged with the left end of the shovel blade body; the right push rod is hinged with the right end of the shovel blade body; one end of the inclined support is hinged with the left push rod, and the other end of the inclined support is hinged with the scraper knife body; and one end of the inclined oil cylinder is hinged with the right push rod, and the other end of the inclined oil cylinder is hinged with the shovel blade body. According to the invention, the sequentially connected arc-shaped plates which are in the shape of the whole saw-tooth are arranged at the position of the scraper knife head, so that the soil cutting capacity of the bulldozer can be improved at the tooth tip position when the bulldozer performs bulldozer operation, and the efficiency of bulldozer operation is improved.
Description
Technical Field
The invention relates to the technical field of engineering vehicles, in particular to a shovel blade assembly and a bulldozer.
Background
The bulldozer is an engineering vehicle, a large-sized metal shovel blade is arranged in front of the bulldozer, when the bulldozer is used, the shovel blade is put down, the shovel blade is shoveled forward, mud, sand, stones and the like are pushed, and the bulldozer can independently complete the work of digging, transporting and unloading soil and opening a way.
The shovel blade is an important working device of the bulldozer, and at present, the hydraulic bulldozer shovel blade mainly comprises a straight shovel, an angle shovel, a semi-U-shaped shovel, a U-shaped shovel and the like. However, when the existing shovel blade is used for bulldozing, the front end of the shovel blade is approximate to an integral plane, so that the shearing force of a shovel blade bulldozing stone is greatly reduced, particularly, when the soil of a construction site contains hard soil or hard stones, the thickness of each digging bulldozing needs to be reduced in the process of bulldozing operation, the purpose of construction is achieved by digging the bulldozing operation for a plurality of times in a small capacity, the working efficiency of construction is obviously reduced, and meanwhile, a large amount of fuel oil is consumed.
Therefore, how to increase the soil cutting force and the soil shifting capacity of the shovel blade and improve the working efficiency of the shovel blade on the premise of saving the power performance is a key problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
One object of the present invention is to: the utility model provides a shovel blade component to solve current shovel blade and when bulldozing the operation shear force is little, the problem that bulldozing capacity is little.
Another object of the invention is: the bulldozer aims to solve the problems that a shovel blade of an existing bulldozer is small in shearing force and small in bulldozing capacity during bulldozing operation.
To this end, in one aspect, the present invention provides a blade assembly comprising:
the scraper knife comprises a scraper knife body and a scraper knife tool bit arranged at the front end of the scraper knife body, wherein the scraper knife tool bit comprises a plurality of arc plates arranged along the length direction of the scraper knife body, the arc plates are sequentially connected and integrally zigzag after being connected, and two adjacent arc plates are connected to the tooth root or the tooth tip of the zigzag;
the left push rod is hinged with the left end of the shovel blade body;
the right push rod is hinged with the right end of the shovel blade body;
one end of the inclined support is hinged with the left push rod, and the other end of the inclined support is hinged with the shovel blade body;
and one end of the inclined oil cylinder is hinged with the right push rod, and the other end of the inclined oil cylinder is hinged with the shovel blade body.
Preferably, one end of the top of the arc-shaped plate is connected with one end of the bottom in an arc shape.
Specifically, the minimum distance of arc and spiller body rear end face is less than the minimum distance of top and bottom and spiller body rear end face of arc, through above-mentioned setting, can make the top of arc overturn upward forward, when the bulldozer bulldozes the operation, when earth and stone pile up the top of bulldozer, can overturn forward the side along with the arc direction of arc to effectively strengthen the pocket soil ability of bulldozer.
Preferably, the leftmost arcuate plate and the arcuate plate adjacent thereto are connected at the tooth root, and the rightmost arcuate plate and the arcuate plate adjacent thereto are connected at the tooth root.
Through the arrangement, when the bulldozer carries out bulldozing, the earth and stones on the left side and the right side are turned over along the directions of the two arc plates on the outermost sides in the left-right direction to the directions close to the center, so that the earth reeling capacity and the earth holding capacity of the bulldozer are enhanced.
Preferably, the lowest point of the arcuate plate at the tooth tip is lower than the lowest point at the tooth root.
Because the tooth point is located in front of the tooth root, when the bulldozer carries out bulldozing operation, the lowest point of the tooth point is firstly contacted with earth and stones, and the tooth point can easily penetrate into the earth and stones in front due to point contact, so that the earth cutting capability of the bulldozer can be effectively enhanced.
Preferably, the lowest point of the ends of the arc plates at the tooth tips is located at the same height, and the lowest point of the ends of the arc plates at the tooth roots is located at the same height.
Preferably, two adjacent arc plates are connected through welding, and the arc plates are connected with the shovel blade body through welding.
Preferably, the scraper knife tool bit further comprises a plurality of blades which are connected with the scraper knife body, the number of the blades is equal to that of the arc plates, the blades are located between the arc plates and the scraper knife body, and the bottom ends of the blades are lower than the bottom ends of the arc plates.
Preferably, the width of the blade is equal to that of the arc-shaped plate, and two adjacent blades are abutted against the tooth root or the tooth tip.
Preferably, the lowest point of the blade at the tooth tip is lower than the lowest point at the tooth root.
In another aspect, the present invention provides a bulldozer comprising a blade assembly according to any one of the above aspects.
The beneficial effects of the invention are as follows: the scraper knife head is provided with the arc-shaped plates which are sequentially connected and integrally zigzag after being connected, so that when the bulldozer performs bulldozing operation, the soil cutting capacity of the bulldozer can be improved through the tooth point, and the efficiency of the bulldozing operation is improved. The zigzag configuration also increases the capacity of the blade. Compared with the existing bulldozer, when the length and the width of the shovel blade are equal, the saw-tooth structure obviously increases the contact area between the shovel blade and the soil and stone, so that the acting force of the soil and stone on the unit area of the shovel blade is effectively reduced, and the damage of the soil and stone to the shovel blade is reduced. In the process that the material slides along with the saw-tooth surface of the shovel blade, the material can be subjected to a certain transverse sliding force, and the shovel blade is not stuck to the material.
Drawings
FIG. 1 is a schematic view of a blade assembly according to an embodiment of the present invention.
In the figure:
1. a shovel blade; 11. a cutter head of the shovel blade; 111. an arc-shaped plate; 112. a blade; 113. a tooth root; 114. tooth point; 12. a blade body;
2. a left push rod; 21. a hinge hole;
3. a right push rod;
4. a diagonal support;
5. tilting the oil cylinder;
6. a left trunnion;
7. and a right trunnion.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
This embodiment provides a blade assembly, as shown in fig. 1, including a blade 1, a left push rod 2, a right push rod 3, a diagonal brace 4, a tilt cylinder 5, a left trunnion 6 and a right trunnion 7, the blade 1 includes a blade body 12 and a blade bit 11, the blade bit 11 is mounted at the front end of the blade body 12, the left push rod 2 and the left end of the blade body 12 are hinged at positions near the bottom, the right push rod 3 and the right end of the blade body 12 are hinged at positions near the bottom, one end of the diagonal brace 4 is hinged with the left push rod 2, the other end is hinged at positions near the left end of the blade body 12 and near the top, one end of the diagonal cylinder 5 is hinged with the right push rod 3, the other end is hinged at positions near the right end of the blade body 12, the left trunnion 6 is mounted at positions near the rear end of the left push rod 2, the right trunnion 7 is mounted at positions near the rear end of the right push rod 3, and the left trunnion 6 and the right trunnion 7 are oppositely arranged, and are respectively located at one side of the left push rod 2 and the right push rod 3 near each other, the left trunnion 6 and the right trunnion 7 are used for connection with a bulldozer body (not shown). In this embodiment, the blade body 12 is stably supported by the left push rod 2, the right push rod 3, the inclined support 4 and the inclined cylinder 5. In this embodiment, front, rear, left, and right refer to directions in the illustration shown in fig. 1.
It should be noted that the hinge point of the inclined support 4 and the left push rod 2 and the hinge point of the inclined support 4 and the shovel blade body 12 are both in clearance fit, and have a certain activity, so that when the inclined oil cylinder 5 is controlled to extend or retract, the angle of the shovel blade 1 for bulldozing can be adjusted in a small range. In the present embodiment, three hinge holes 21 are provided on the left push rod 2 from front to back, and the diagonal brace 4 can be installed in any one of the hinge holes 21 and hinge with the left push rod 2, so that the angle of the blade 1 for bulldozing can be adjusted in a wide range by manually exchanging the hinge holes 21 of the diagonal brace 4 hinge with the left push rod 2.
The blade head 11 includes a plurality of arcuate plates 111 and a plurality of blades 112, and the number of blades 112 is equal to the number of arcuate plates 111. In this embodiment, the top end of the arc plate 111 and the bottom end of the arc plate 111 are connected by an arc surface. The plurality of arc plates 111 are welded in sequence along the length direction (left-right direction) of the blade body 12, and the whole of the welded blade body is zigzag, wherein two adjacent arc plates 111 are welded at zigzag tooth tips 114 or zigzag tooth root 113, and two arc plates 111 located at the outermost side in the left-right direction are welded with the arc plates 111 adjacent thereto at the tooth root 113. Note that the tooth tip 114 is located laterally forward of the tooth root 113. By arranging the blade bit 11 in a zigzag shape, the plurality of tooth points 114 of the zigzag shape are contacted with the earth and stone first, and on the premise of the same thrust force, compared with blades of other shapes, such as a straight blade, an angle blade, a semi-U-shaped blade or a U-shaped blade, the cutting force of the blade 1 on the earth and stone can be enhanced, and thus the soil-shifting efficiency of the blade 1 can be enhanced. The lowest point of each arcuate plate 111 at the tooth root 113 is at the same height, the lowest point of each arcuate plate 111 at the tooth tip 114 is also at the same height, and the lowest point of each arcuate plate 111 at the tooth root 113 is higher than its lowest point at the tooth tip 114.
According to the embodiment, the whole of the arc plates 111 is set to be zigzag, so that the capacity of the shovel blade 1 is increased on one hand, and more soil and stones can be contained when the shovel blade 1 is used for bulldozing, on the other hand, the contact area between the shovel blade 1 and the soil and stones is increased, the acting force of the soil and stones on the unit area of a serrated surface can be reduced, the damage of the soil and stones to the arc plates 111 is reduced, the shovel blade 1 is firmer and more durable, and on the other hand, the soil and stones can be subjected to a certain transverse sliding force in the sliding process along with the zigzag surface of the shovel blade 1, and are not easy to adhere to the surface of the arc plates 111.
The blade 112 is installed between the arc 111 and the shovel blade body 12 to be close to the lower extreme of shovel blade body 12, the upper end of blade 112 is located between shovel blade body 12 and the arc 111, and the lower extreme of blade 112 is located the below of arc 111, and the width of blade 112 and arc 111 equals in this embodiment, and the lower extreme of blade 112 and the lower extreme of arc 111 are parallel, and a plurality of blades 112 butt in proper order and whole also are the zigzag, and adjacent two blades 112 butt are in the tooth root department 113 or the tooth tip department 114 of zigzag. And, the lowest point that each blade 112 is located at root 113 is located same height, and the lowest point that each blade 112 is located at tip 114 is also located same height, and the lowest point that blade 112 is located at root 113 is higher than the lowest point that it is located at tip 114, so when spiller 1 carries out the bulldozing, the lowest point that blade 112 is located at tip 114 contacts the earth and stone earlier, and the thrust that bulldozer body acted on spiller 1 is acted on the earth and stone through the lowest point that a plurality of blades 112 are located at tip 114 at this moment completely, can produce very big pressure to earth and stone, easily cuts open the earth and stone. In this embodiment, each blade 112 is detachably mounted on the blade body 12 by three bolts arranged at intervals, so that the blade 112 can be conveniently replaced after being damaged.
It should be noted that, in the present embodiment, since the blades 112 are integrally zigzag after abutting, the front end surfaces of the blades 112 form an oblique angle with the direction of pushing of the bulldozer, rather than a right angle, so that the blades 112 are easier to cut earth and stones under the condition that the pushing force of the main body of the bulldozer is unchanged, the efficiency of cutting earth by the shovel blade 1 in the present embodiment is higher, and fuel consumption can be saved.
The embodiment also provides a bulldozer, which is provided with the shovel blade assembly.
In this embodiment, the arc 111 which is sequentially connected and is zigzag on the whole is provided at the position of the blade bit 11, so that when the bulldozer performs the bulldozer, the soil cutting capability of the bulldozer can be improved through the tooth point 114, and the efficiency of the bulldozer can be improved. The zigzag configuration also increases the capacity of the blade 1. Compared with the existing bulldozer, when the length and the width of the shovel blade 1 are equal, the contact area between the shovel blade 1 and the soil and stone is obviously increased due to the zigzag structure, so that acting force of the soil and stone on the unit area of the shovel blade 1 is effectively reduced, and damage of the soil and stone to the shovel blade 1 is reduced. In the process that the material slides along with the saw-tooth surface of the shovel blade 1, the material can be subjected to a certain transverse sliding force, and the material is not adhered to the shovel blade 1.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. A blade assembly, comprising:
the scraper knife (1), scraper knife (1) include scraper knife body (12) and install scraper knife tool bit (11) of scraper knife body (12) front end, scraper knife tool bit (11) are including following a plurality of arc plates (111) that scraper knife body (12) length direction set up, a plurality of arc plates (111) connect gradually and connect the back whole and be zigzag, adjacent two arc plates (111) connect in tooth root department (113) or tooth point department (114) of zigzag;
the left push rod (2) is hinged with the left end of the shovel blade body (12);
the right push rod (3), the right push rod (3) is hinged with the right end of the shovel blade body (12);
one end of the inclined support (4) is hinged with the left push rod (2), and the other end of the inclined support is hinged with the shovel blade body (12);
the inclined oil cylinder (5), one end of the inclined oil cylinder (5) is hinged with the right push rod (3), and the other end of the inclined oil cylinder is hinged with the shovel blade body (12);
the lowest point of the curved plate (111) at the tooth tip (114) is lower than the lowest point at the tooth root (113).
2. A blade assembly according to claim 1, wherein the top end of the arcuate plate (111) is arcuately connected to the bottom end.
3. A blade assembly according to claim 1, characterized in that the leftmost arcuate plate (111) and the arcuate plate (111) adjacent thereto are connected to the tooth root (113), and the rightmost arcuate plate (111) and the arcuate plate (111) adjacent thereto are connected to the tooth root (113).
4. A blade assembly according to claim 1, characterized in that several of the curved plates (111) are located at the same level at the lowest point of one end of the tooth tip (114), and that several of the curved plates (111) are located at the same level at the lowest point of one end of the tooth root (113).
5. A blade assembly according to claim 1, wherein two adjacent arcuate plates (111) are connected by welding, the arcuate plates (111) being connected by welding to the blade body (12).
6. The blade assembly according to claim 1, wherein the blade head (11) further comprises a plurality of blades (112) connected to the blade body (12), the number of blades (112) and the number of arcuate plates (111) are equal, the blades (112) are located between the arcuate plates (111) and the blade body (12), and the bottom ends of the blades (112) are lower than the bottom ends of the arcuate plates (111).
7. A blade assembly according to claim 6, characterized in that the blades (112) are equally wide as the arcuate plates (111), adjacent two of the blades (112) being in abutment at the tooth root (113) or at the tooth tip (114).
8. A blade assembly according to claim 7, characterized in that the lowest point of the blade (112) at the tooth tip (114) is lower than the lowest point at the tooth root (113).
9. A bulldozer comprising a blade assembly according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292562.8A CN107806125B (en) | 2017-12-08 | 2017-12-08 | Shovel blade assembly and bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292562.8A CN107806125B (en) | 2017-12-08 | 2017-12-08 | Shovel blade assembly and bulldozer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107806125A CN107806125A (en) | 2018-03-16 |
| CN107806125B true CN107806125B (en) | 2023-09-29 |
Family
ID=61579264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711292562.8A Active CN107806125B (en) | 2017-12-08 | 2017-12-08 | Shovel blade assembly and bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107806125B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113647305B (en) * | 2021-08-31 | 2023-04-28 | 海南齐鲁园林开发集团有限公司 | Gardens are planted with sapling planting device that has function of filling out soil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7401658B2 (en) * | 2002-11-12 | 2008-07-22 | Komatsu Ltd. | Blade for work machine, and construction and earth-moving machine provided with the same blade |
| CN202324030U (en) * | 2011-11-23 | 2012-07-11 | 山推工程机械股份有限公司 | U-shaped trimming spade of trimming bulldozer |
| CN202544002U (en) * | 2012-04-23 | 2012-11-21 | 山推工程机械股份有限公司 | Shovel blade device and soil shifter |
| CN207597462U (en) * | 2017-12-08 | 2018-07-10 | 山推工程机械股份有限公司 | A kind of perching knife component and bull-dozer |
-
2017
- 2017-12-08 CN CN201711292562.8A patent/CN107806125B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107806125A (en) | 2018-03-16 |
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