CN114790760A - Blade body, blade structure and bull-dozer suitable for silt is regional - Google Patents
Blade body, blade structure and bull-dozer suitable for silt is regional Download PDFInfo
- Publication number
- CN114790760A CN114790760A CN202210514023.9A CN202210514023A CN114790760A CN 114790760 A CN114790760 A CN 114790760A CN 202210514023 A CN202210514023 A CN 202210514023A CN 114790760 A CN114790760 A CN 114790760A
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- Prior art keywords
- blade
- plate
- cutting board
- combined
- blade body
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- 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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- 238000005520 cutting process Methods 0.000 claims abstract description 50
- 239000010802 sludge Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
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
-
- 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
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
Abstract
The invention discloses a dozer blade body, a dozer blade structure and a bulldozer which are suitable for a sludge area, wherein the dozer blade body comprises a main arc plate, a pair of side vertical plates and a combined scraper knife; the combined shovel blade comprises a main blade, a first combined blade and a second combined blade; wherein the main arc plate is connected between the pair of side vertical plates; the main cutting board is arranged at the bottom of the main arc board, the first combined cutting board and the second combined cutting board are the same in structure and are respectively arranged at two ends of the main cutting board, the first combined cutting board and the second combined cutting board respectively comprise a first auxiliary cutting board and a second auxiliary cutting board, and the first auxiliary cutting board is connected with the main arc board and is connected with the side vertical board; the auxiliary knife plate II is sequentially connected with the auxiliary knife plate I, the main arc plate and the main knife plate, and an included angle is formed between the auxiliary knife plate I and the auxiliary knife plate II.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a dozer blade body, a dozer blade structure and a bulldozer which are suitable for a sludge area.
Background
The bulldozer is widely applied in the field of engineering machinery and mainly comprises a dozer blade, a chassis, a cab, a scraper lifting cylinder and other components. The shovel blade is used as the most basic working device in a bulldozer, and at present, the following forms mainly exist: a straight inclined shovel, a corner shovel, a U-shaped shovel and the like. The radian of the straight-inclined shovel blade and the side plates are very small, so that the straight-inclined shovel blade has large capability of cutting into the interior and leveling, but the phenomenon of overflow and leakage at two sides is serious; the angle shovel bulldozer has wide bulldozer board, small height and small scraper knife capacity; the U-shaped shovel has a large radian and a side plate, so that materials are easy to keep, the production efficiency is high, and the cutting performance is reduced to some extent. And each type of scraper knife has a larger groove dead angle, so that when the scraper knife is operated in a sludge area, clay can be quickly adhered to the groove, and the clay is more firmly adhered to the groove, so that the soil pushing operation efficiency of the bulldozer is greatly influenced. In order to overcome the phenomenon, constructors often weld curved plates in a shovel cavity to cover dead corners, but the welding process cannot be realized due to limited field conditions. And the adjustment of the angle of the scraper knife is usually supported by a hydraulic oil cylinder and the like, and has the defects of complex form and structure, higher cost and certain failure rate.
Disclosure of Invention
The invention aims to provide a dozer blade body, a dozer blade structure and a bulldozer which are suitable for running in a sludge area, wherein a combined cutter is adopted for a blade of the dozer blade body, so that the cutting force can be increased, and sticky soil can be effectively prevented from reaching the dead corners of grooves on two sides of the dozer blade; the blade structure adds simple parts and can carry out simple angular adjustment to the blade body to this bulldozes the operating efficiency that improves the bull-dozing of bull-dozer.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a first aspect provides a blade body comprising a main arc plate, a pair of side vertical plates, and a combined blade; the combined shovel blade comprises a main cutting board, a first combined cutting board and a second combined cutting board; wherein the main arc plate is connected between the pair of side vertical plates; the main cutting board is arranged below the main arc board, the first combined cutting board and the second combined cutting board are same in structure and are respectively arranged at two ends of the main cutting board, the first combined cutting board and the second combined cutting board respectively comprise a first auxiliary cutting board and a second auxiliary cutting board, and the first auxiliary cutting board is connected with the main arc board and is connected with the side vertical board; the auxiliary knife plate II is connected with the auxiliary knife plate I, the main arc plate and the main knife plate, and an included angle is formed between the auxiliary knife plate I and the auxiliary knife plate II. This dozer blade body is from last down seeing, and whole spiller appears for letter W, can make the fortune soil volume of spiller increase at the sunken design of "W" type both sides to the excessive hourglass volume of reduction operation material on the spiller both sides that can be great can effectually avoid more viscidity soil to reach in the recess dead angle of dozer spiller blade both sides again.
A second aspect of the present invention provides a blade structure, which includes the blade body, a blade support adjusting plate, and a connecting plate; the blade is hinged to the blade bracket through a vertical pin shaft; an adjusting plate is welded on the blade body, a plurality of adjusting holes are sequentially formed in the adjusting plate, and the blade support is connected with the adjusting plate through different adjusting holes through a connecting plate, so that the angle of the blade body can be adjusted. The two ends of the connecting plate are respectively welded with a long pin shaft and a short pin shaft, the long pin shaft is suitable for being inserted into a connecting hole of the welding and dozer blade body, the short pin shaft is suitable for being inserted into a hole in the dozer blade support, and the long pin shaft is inserted into an adjusting hole of an adjusting plate on the welding and dozer blade body and the connecting hole of the dozer blade body.
A third aspect of the invention also provides a bulldozer which employs the blade structure described above.
The invention has the following beneficial effects:
1. the combined scraper knife provided by the invention adopts the combined cutter, the whole scraper knife is in the shape of a letter W when the bulldozer blade body looks down from top, the soil carrying capacity of the scraper knife can be increased due to the concave design on the two sides of the letter W, the overflow and leakage amount of operation materials on the two sides of the scraper knife can be greatly reduced, and the situation that more viscous soil reaches the dead corners of the grooves on the two sides of the bulldozer scraper knife can be effectively avoided. The combined cutter and the dozer blade are connected through bolts, and a spare cutter is arranged, so that the replacement of the cutter on site is easier to realize.
2. According to the blade structure, the angle of the blade body can be adjusted through a simple structure by arranging the adjusting plate, the connecting plate and the like, and the blade structure is low in cost and failure rate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
FIG. 1 is a schematic view of a dozing blade of the present invention;
FIG. 2 is an assembled top view of the blade structure of the present invention;
FIG. 3 is an assembled left side view of the blade structure of the present invention;
description of reference numerals:
1. a blade body; 11. a main arc plate; 12. a side vertical plate; 13. a main cutting board; 14. a first auxiliary cutting board; 15. a second auxiliary cutting board; 2. an adjusting plate; 3. a connecting plate; 4. an oil cylinder pushing frame; 5, a long pin shaft; 6 short pin shaft.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as described in the background art, the prior scraper knife has various problems, and the invention provides a novel scraper knife structure by combining the characteristics of the prior scraper knife, which can better balance the relationship between cutting force and production efficiency and can be suitable for a sludge area. The adjustment of the blade angle is mostly adopted: the hydraulic oil cylinder control or the motor drive gear adjustment has the defects of complex structure, higher cost and certain failure rate. Between dozer body and dozer support, carry out adjustable connection through the bracing piece to through simple structure and manual regulation mode, realized having compared in prior art and have simple structure, with low costs, the low advantage of fault rate to the angular adjustment of dozer body.
The invention is further illustrated with reference to the following figures and examples.
In the blade body according to the present embodiment, as shown in fig. 1, the blade body 1 includes: a main arc plate 11, a pair of side vertical plates 12 and a combined scraper knife; the main arc plate 11 is connected between the pair of side vertical plates 12; the combined shovel cutter comprises a main cutter plate 13, a first combined cutter plate positioned on the left side of the main cutter plate 13 and a second combined cutter plate positioned on the right side of the main cutter plate 13; the main knife board 13, the first combined knife board and the second combined knife board form an integral shovel knife structure which is arranged below the main arc board 11.
Furthermore, the first combined cutting board and the second combined cutting board have the same structure and respectively comprise a first auxiliary cutting board 14 and a second auxiliary cutting board 15; an included angle is formed between the first auxiliary knife board 14 and the second auxiliary knife board 15; the first auxiliary knife plate 14 is connected with the side vertical plate 12 through a bolt on one hand, and is connected with the main arc plate 11 through a bolt on the other hand; the second auxiliary knife plate 15 is connected with the main arc plate 11 and the first auxiliary knife plate 14 through bolts; the second auxiliary cutting board 15 is also connected with the main cutting board 13 through a bolt; an included angle is formed between the first auxiliary blade plate and the second auxiliary blade plate, so that the dozer blade body is seen from top to bottom, the whole scraper knife is represented as a letter W, the earth carrying capacity of the scraper knife can be increased by the aid of the concave design of the two sides of the W shape, the overflow leakage capacity of operation materials on the two sides of the scraper knife can be greatly reduced, and the more viscous soil can be effectively prevented from reaching the dead corners of the grooves on the two sides of the dozer blade.
Through the technical scheme, the soil cutting principle is specifically analyzed, and when the dozer blade works, the first combined cutting board and the second combined cutting board can bear larger cutting force; the included angle between the first auxiliary knife board and the second auxiliary knife board of the first combined knife board is larger than 90 degrees and smaller than 150 degrees; the included angle between the first auxiliary knife board and the second auxiliary knife board of the second combined knife board is larger than 90 degrees and smaller than 150 degrees; simulation analysis shows that the structural form can bear the maximum cutting force when the included angle between the first auxiliary cutter plate and the second auxiliary cutter plate in each combined cutter plate is 112 degrees.
Furthermore, in order to achieve the wear-resistant effect, the first combined cutting board 14 and the second combined cutting board 15 both adopt high-strength wear-resistant welding structural steel NM400 during design, wherein the NM400 steel plate contains 0.30 of C, 0.70 of Si, 1.60 of Mn, 0.025 of P, 0.010 of S, 1.00 of Cr, 0.70 of Ni, 0.50 of Mo and 0.050 of Ti, the tensile strength is as high as 1200MPa, and the Brinell hardness of the surface is 370 HB-430 HB, so that the high-strength welding high-quality structural steel is good in welding performance, relatively high in surface hardness, relatively wear-resistant in the bulldozing process and widely used in high-strength structural parts of engineering machinery.
This embodiment also provides a blade structure, as shown in fig. 2, which includes a blade body 1 shown in fig. 1, and a blade support 4, an adjustment plate 2, and a connection plate 3 shown in fig. 2. The back of the dozer blade body 1 is welded with an adjusting plate 2, and particularly, the adjusting plate 2 is welded on the back of a main arc plate 11; a plurality of adjusting holes are sequentially formed in the adjusting plate 2, and a long pin shaft 5 and a short pin shaft 6 are respectively welded at two ends of the connecting plate 3; the long pin shaft 5 at one end of the connecting plate is suitable for being inserted into the connecting holes of the blade body 1 and the adjusting plate, and the short pin shaft 6 is suitable for being inserted into the connecting hole of the blade support 2. Between dozer blade body 1 and dozer blade support 2, carry out adjustable connection through the regulating plate to through simple structure and manual regulation mode, realized having compared in prior art that simple structure, with low costs, fault rate are low advantage to the angular adjustment of dozer blade body 1.
It should be further noted that the main arc plate 11 and the side vertical plate 12 in this embodiment are the same as the existing blade structure, and are not described herein again.
Further, this embodiment also provides a bulldozer, which is provided with the blade structure thereon, and the blade support 4 is connected to the front of the bulldozer body.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A dozer blade body suitable for a sludge area is characterized in that the dozer blade body comprises a main arc plate, a pair of side vertical plates and a combined shovel blade; the combined shovel blade comprises a main blade, a first combined blade and a second combined blade; wherein the main arc plate is connected between the pair of side vertical plates; the main cutting board is arranged at the bottom of the main arc board, the first combined cutting board and the second combined cutting board are same in structure and are respectively arranged at two ends of the main cutting board, the first combined cutting board and the second combined cutting board respectively comprise a first auxiliary cutting board and a second auxiliary cutting board, and the first auxiliary cutting board is connected with the main arc board and is connected with the side vertical board; the auxiliary knife plate II is sequentially connected with the auxiliary knife plate I, the main arc plate and the main knife plate, and an included angle is formed between the auxiliary knife plate I and the auxiliary knife plate II.
2. The blade body adapted for use in a mud area of claim 1 wherein said first and second gang blades are symmetrically disposed about a centerline of the blade body.
3. The blade body of claim 1 wherein the first and second secondary blades are sized and shaped to fit in a silt region.
4. The blade body of claim 1 wherein the angle between the first secondary blade and the second secondary blade is greater than 90 degrees and less than 150 degrees.
5. The blade body of claim 1 wherein the first and second secondary blades are formed of high strength wear resistant welded construction steel.
6. A blade structure characterised in that it comprises a blade body according to any one of claims 1-5 adapted for use in a silt area.
7. The blade structure of claim 6 further comprising a blade support to which the blade body is hingedly connected by a vertical pin.
8. The blade structure of claim 7 wherein an adjustment plate is welded to the back of the blade body, a plurality of adjustment holes are formed in the adjustment plate in sequence, and the blade support is connected to the adjustment plate through a connecting plate to adjust the angle of the blade body.
9. The blade structure of claim 8 wherein a long pin and a short pin are welded to each end of the connecting plate, the short pins being inserted into holes in the blade support and the long pins being inserted into the adjustment holes in the adjustment plate and the connecting holes in the blade body.
10. A bulldozer, characterized in that a blade is constructed as claimed in any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514023.9A CN114790760A (en) | 2022-05-12 | 2022-05-12 | Blade body, blade structure and bull-dozer suitable for silt is regional |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514023.9A CN114790760A (en) | 2022-05-12 | 2022-05-12 | Blade body, blade structure and bull-dozer suitable for silt is regional |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114790760A true CN114790760A (en) | 2022-07-26 |
Family
ID=82463660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210514023.9A Pending CN114790760A (en) | 2022-05-12 | 2022-05-12 | Blade body, blade structure and bull-dozer suitable for silt is regional |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114790760A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0578781A (en) * | 1991-03-28 | 1993-03-30 | Sumitomo Metal Ind Ltd | High strength and high toughness wear resistant steel |
| JP2002235144A (en) * | 2001-02-08 | 2002-08-23 | Komatsu Ltd | Wear resistant high strength steel, cutting edge, bucket tooth and bucket lip |
| JP2007077690A (en) * | 2005-09-15 | 2007-03-29 | Komatsu Ltd | Blade device for work machine, and construction/civil engineering vehicle having the blade device mounted thereon |
| CN214994184U (en) * | 2021-03-22 | 2021-12-03 | 三一重机有限公司 | Dozer blade and mechanical vehicle adopting same |
-
2022
- 2022-05-12 CN CN202210514023.9A patent/CN114790760A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0578781A (en) * | 1991-03-28 | 1993-03-30 | Sumitomo Metal Ind Ltd | High strength and high toughness wear resistant steel |
| JP2002235144A (en) * | 2001-02-08 | 2002-08-23 | Komatsu Ltd | Wear resistant high strength steel, cutting edge, bucket tooth and bucket lip |
| JP2007077690A (en) * | 2005-09-15 | 2007-03-29 | Komatsu Ltd | Blade device for work machine, and construction/civil engineering vehicle having the blade device mounted thereon |
| CN214994184U (en) * | 2021-03-22 | 2021-12-03 | 三一重机有限公司 | Dozer blade and mechanical vehicle adopting same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220726 |
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| RJ01 | Rejection of invention patent application after publication |