CN110241876B - Working device of tyre type high-speed bulldozer - Google Patents
Working device of tyre type high-speed bulldozer Download PDFInfo
- Publication number
- CN110241876B CN110241876B CN201910548905.5A CN201910548905A CN110241876B CN 110241876 B CN110241876 B CN 110241876B CN 201910548905 A CN201910548905 A CN 201910548905A CN 110241876 B CN110241876 B CN 110241876B
- Authority
- CN
- China
- Prior art keywords
- push arm
- left push
- section
- hinged
- plate
- 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.)
- Active
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The invention discloses a working device of a tire type high-speed bulldozer, and belongs to the technical field of engineering machinery. The front ends of the left push arm and the right push arm are hinged with an operation device, and the rear ends of the left push arm and the right push arm are hinged on the host; an adjusting rod is hinged between the left push arm and the operation device; the front section and the rear section of the left push arm are straight rods, and a downward bent arc section is arranged between the front section and the rear section of the left push arm; when the operation device works, the included angle between a connecting line between the front hinge point and the rear hinge point of the left push arm and the horizontal ground is alpha, and alpha is more than or equal to 5 degrees and less than or equal to 6 degrees; horizontal rods are respectively hinged between the left side of the left push arm and the right side of the right push arm and the operation device; and locking mechanisms are respectively connected between the left push arm, the right push arm and the host. The invention ensures the effective transmission of torque during operation, realizes the high-speed driving performance of the vehicle, ensures the safety of the bulldozer at high speed, enables the bulldozer to rapidly transition, and improves the working efficiency.
Description
Technical Field
The invention relates to a working device of engineering machinery, in particular to a working device of a tire type high-speed bulldozer.
Technical Field
A bulldozer is an earthwork machine capable of excavating, transporting and discarding rock and soil, and is widely applied to open-pit mines.
The conventional working device of the tire type bulldozer is mainly in a form that a push arm is arranged on the outer side of a tire, and the push arm is connected with a main machine through a push knife bracket, so that a large force arm exists between the push arm and the main machine during the bulldozer operation, the effective transmission of torque is reduced, the bulldozer cannot run at a high speed when in a running state, the working site cannot be quickly transferred, and the operating efficiency is reduced.
Disclosure of Invention
In order to solve the technical problem, the invention provides a working device of a tire type high-speed bulldozer.
The invention is realized by the following technical scheme: a working device of a tire type high-speed bulldozer comprises a left push arm and a right push arm, wherein the front ends of the left push arm and the right push arm are hinged with a working device, and the rear ends of the left push arm and the right push arm are hinged on a host; an adjusting rod is hinged between the left push arm and the operation device;
the left push arm and the right push arm are symmetrical in structure; the front section and the rear section of the left push arm are straight rods, and a downward bent arc section is arranged between the front section and the rear section of the left push arm;
when the operation device works, the included angle between a connecting line between the front hinge point and the rear hinge point of the left push arm and the horizontal ground is alpha, and alpha is more than or equal to 5 degrees and less than or equal to 6 degrees;
horizontal rods are respectively hinged between the left side of the left push arm and the right side of the right push arm and the operation device;
and locking mechanisms are respectively connected between the left push arm, the right push arm and the host.
It further comprises the following steps: the left push arm comprises an upper bent plate and a lower bent plate which are opposite up and down, and a side plate is welded between the outer side edges of the upper bent plate and the lower bent plate; and the front section, the rear section and the arc section of the left push arm are respectively provided with a reinforcing plate, and the reinforcing plates are respectively welded with the upper bent plate, the lower bent plate and the side plate.
The front end of the front section of the left push arm is welded with a connector; the outer side and the upper side of the front section of the left push arm are respectively welded with a hinged support; the joint body is welded at the rear end of the rear section of the left push arm; the joint body is connected with a spherical pair of the spherical hinge support 49, and the spherical hinge support 49 is fixed on the host machine.
When the operation device works, the distance between the bottom plane of the arc-shaped section of the left push arm and the hinge point at the rear part of the left push arm is D, and D is more than or equal to 600mm and less than or equal to 620 mm.
The upper side surface of the arc-shaped section of the left push arm is welded with a push arm ear plate; the positions of the front side of the main machine and the push arm ear plate are provided with elongated holes; the locking mechanism comprises a safety rod, one end of the safety rod is hinged in a long hole in the front side of the host, and the other end of the safety rod is connected with the push arm ear plate through a pin.
Compared with the prior art, the invention has the beneficial effects that:
1, the left push arm and the right push arm both adopt bow-shaped structures, and when in operation, the included angle between a connecting line between the front hinge point and the rear hinge point of the left push arm and the right push arm and the horizontal ground is more than or equal to 5 degrees and less than or equal to 6 degrees, thereby ensuring the effective transmission of torque during operation and realizing the high-speed driving performance of the vehicle;
2, locking mechanism can prevent that bull-dozer from taking place excessive tenesmus or rocking when high-speed driving to the security when guaranteeing the bull-dozer high-speed, make the bull-dozer can transition fast, improved work efficiency.
Drawings
FIG. 1 is an assembly schematic of the present invention;
FIG. 2 is a schematic structural view of the left push arm and the right push arm of the present invention;
FIG. 3 is a schematic structural diagram of the present invention in an operating state;
FIG. 4 is a schematic structural view of a locking mechanism portion of the present invention;
in the figure: 1. the working device comprises a working device 2, a horizontal rod 3, an adjusting rod 4, a left pushing arm 41, a connecting head 42, an upper bent plate 43, a lower bent plate 44, a hinged support 45, a side plate 46, an ear plate 47, a reinforcing plate 48, a joint body 5, a locking mechanism 51, a safety rod 6, a right pushing arm 7, a main machine 49 and a spherical hinge support.
Detailed Description
The following is a specific embodiment of the present invention, which will be further described with reference to the accompanying drawings.
Referring to fig. 1, a working device of a tire type high-speed bulldozer comprises a left push arm 4 and a right push arm 6 which are arranged in bilateral symmetry, the working device 1 is hinged at the front ends of the left push arm 4 and the right push arm 6, and the rear ends of the left push arm 4 and the right push arm 6 are hinged on a host 7. An adjusting rod 3 is hinged between the left push arm 4 and the operation device 1, and horizontal rods 2 are respectively hinged between the left side of the left push arm 4 and the right side of the right push arm 6 and the operation device 1. And locking mechanisms 5 are respectively connected between the left push arm 4, the right push arm 6 and the host 7.
Referring to fig. 2, the left push arm 4 is taken as an example:
the front section and the rear section of the left push arm 4 are both straight rods, and a downward-bent arc section is arranged between the front section and the rear section of the left push arm 4. Specifically, the method comprises the following steps: the upper bent plate 42 and the lower bent plate 43 are arranged oppositely up and down, and a side plate 45 is welded between the outer side edges of the upper bent plate 42 and the lower bent plate 43; the front section, the rear section and the arc section of the left push arm 4 are respectively provided with a reinforcing plate 47, and the reinforcing plates 47 are respectively welded with the upper bent plate 42, the lower bent plate 43 and the side plate 45. The front end of the front section of the left push arm 4 is welded with a connector 41, and the connector 41 is hinged with the operation device 1. The outer side and the upper side of the front section of the left push arm 4 are respectively welded with a hinged support 44; the hinged support 44 at the outer side of the front section of the left push arm 4 is hinged with the horizontal rod 2, and the hinged support 44 at the upper side of the front section of the left push arm 4 is hinged with the adjusting rod 3. The side of the arc-shaped section of the left push arm 4 is welded with a push arm ear plate 46, and the push arm ear plate 46 is used for connecting the locking mechanism 5. The joint body 48 is welded at the rear end of the rear section of the left push arm 4; the joint body 48 is connected with a spherical hinge support 49 by a spherical pair, and the spherical hinge support 49 is fixed on the main machine 7.
As shown in fig. 3, in order to ensure effective transmission of the pushing force during operation, an included angle between a connecting line AB between a front hinge point a and a rear hinge point B of the left pushing arm 4 and the horizontal ground is alpha, wherein alpha is more than or equal to 5 degrees and less than or equal to 6 degrees; the distance between the bottom plane of the arc-shaped section of the left push arm 4 and the hinge point at the rear part of the left push arm 4 is D, and D is more than or equal to 600mm and less than or equal to 620 mm.
Specifically, the method comprises the following steps: due to assembly requirements, the rear hinge point B needs to keep a certain distance from the bottom of the main machine 7, a certain installation space is reserved for the spherical hinge support 49, and the distance is not less than 230 mm. In this embodiment, the non-operating moment generated by the traction force FA and the angle alpha is not more than 42000N · m,
wherein: l =2695 mm; FA =150000N
Lsinα≥230mm
α≥5°
FA×Lsinα≤42000N∙m
α≤6°；
The rear hinge point B is far from the top of the front axle by L1=510mm, the required design clearance is L2=100 +/-10 mm, the position of the front axle of the main engine can be adjusted in the vertical direction, in order to provide enough installation space for the front axle, and in order to ensure the strength bending angle beta of the push arm, the distance range between the bottom plane of the middle section of the push arm and the hinge point at the rear part of the push arm is set to be 600-620. In the embodiment, the left push arm and the right push arm both adopt bow-shaped structures, and during operation, the included angle between a connecting line between the front hinge point and the rear hinge point of the left push arm and the right push arm and the horizontal ground is more than or equal to 5 degrees and less than or equal to 6 degrees, so that the effective transmission of torque during operation is ensured, and the high-speed driving performance of the vehicle is realized.
Referring to fig. 4, the locking mechanism 5 includes a safety lever 51, one end of the safety lever 51 is hinged in an elongated hole at the front side of the main body 7, and the other end of the safety lever 51 is connected with the push arm ear plate 46 by a pin. When the bulldozer is running, the safety rod 51 is used for connecting the left push arm 4 and the right push arm 6 with the host 7, so that the working device of the bulldozer can be prevented from excessively dropping or shaking when the bulldozer is running at a high speed, the safety of the bulldozer when the bulldozer is running at a high speed is ensured, the bulldozer can quickly transition, and the working efficiency is improved.
Claims (3)
1. A working device of a tire type high-speed bulldozer comprises a left push arm (4) and a right push arm (6), wherein the front ends of the left push arm (4) and the right push arm (6) are hinged with a working device (1), and the rear ends of the left push arm (4) and the right push arm (6) are hinged on a host (7); an adjusting rod (3) is hinged between the left push arm (4) and the operation device (1);
the method is characterized in that:
the left push arm (4) and the right push arm (6) are symmetrical in structure; the front section and the rear section of the left push arm (4) are straight rods, and a downward bent arc section is arranged between the front section and the rear section of the left push arm (4);
when the operation device (1) works, an included angle between a connecting line between a front hinge point and a rear hinge point of the left push arm (4) and the horizontal ground is alpha, and alpha is more than or equal to 5 degrees and less than or equal to 6 degrees; the distance between the bottom plane of the arc-shaped section of the left push arm (4) and the hinge point at the rear part of the left push arm (4) is D, and D is more than or equal to 600mm and less than or equal to 620 mm;
horizontal rods (2) are respectively hinged between the left side of the left push arm (4), the right side of the right push arm (6) and the operation device (1);
locking mechanisms (5) are respectively connected between the left push arm (4), the right push arm (6) and the host (7);
the upper side surface of the arc-shaped section of the left push arm (4) is welded with a push arm ear plate (46); the positions of the front side of the main machine (7) and the push arm ear plate (46) are provided with elongated holes; the locking mechanism (5) comprises a safety rod (51), one end of the safety rod (51) is hinged in a long hole in the front side of the host (7), and the other end of the safety rod (51) is connected with the push arm ear plate (46) through a pin.
2. The working apparatus of a wheeled dozer as claimed in claim 1, wherein: the left push arm (4) comprises an upper bent plate (42) and a lower bent plate (43) which are opposite up and down, and a side plate (45) is welded between the outer side edges of the upper bent plate (42) and the lower bent plate (43); and the front section, the rear section and the arc section of the left push arm (4) are respectively provided with a reinforcing plate (47), and the reinforcing plates (47) are respectively welded with the upper bent plate (42), the lower bent plate (43) and the side plate (45).
3. The working apparatus of a wheeled dozer as claimed in claim 2, wherein: the front end of the front section of the left push arm (4) is welded with a connector (41); the outer side and the upper side of the front section of the left push arm (4) are respectively welded with a hinged support (44); the rear end of the rear section of the left push arm (4) is welded with a joint body (48); the joint body (48) is connected with a spherical hinge support 49 through a spherical pair, and the spherical hinge support 49 is fixed on the host (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548905.5A CN110241876B (en) | 2019-06-24 | 2019-06-24 | Working device of tyre type high-speed bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910548905.5A CN110241876B (en) | 2019-06-24 | 2019-06-24 | Working device of tyre type high-speed bulldozer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110241876A CN110241876A (en) | 2019-09-17 |
| CN110241876B true CN110241876B (en) | 2022-02-11 |
Family
ID=67889104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910548905.5A Active CN110241876B (en) | 2019-06-24 | 2019-06-24 | Working device of tyre type high-speed bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110241876B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0849224A (en) * | 1994-08-05 | 1996-02-20 | Kawasaki Heavy Ind Ltd | Snow removing device |
| CN202380499U (en) * | 2011-12-20 | 2012-08-15 | 山推工程机械股份有限公司 | Dozer straight tilt blade |
| CN205399522U (en) * | 2016-03-07 | 2016-07-27 | 北京创通建设集团有限公司 | Bulldozing device of bulldozing car |
| CN208830379U (en) * | 2018-08-21 | 2019-05-07 | 郴州市中马汽车空调有限公司 | A kind of farm tractor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007032230A1 (en) * | 2005-09-15 | 2007-03-22 | Komatsu Ltd. | Blade device for working machine and working machine mounting blade device |
| CN106759587A (en) * | 2016-12-25 | 2017-05-31 | 北京北方车辆集团有限公司 | Special-shaped soil shifting working device |
-
2019
- 2019-06-24 CN CN201910548905.5A patent/CN110241876B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0849224A (en) * | 1994-08-05 | 1996-02-20 | Kawasaki Heavy Ind Ltd | Snow removing device |
| CN202380499U (en) * | 2011-12-20 | 2012-08-15 | 山推工程机械股份有限公司 | Dozer straight tilt blade |
| CN205399522U (en) * | 2016-03-07 | 2016-07-27 | 北京创通建设集团有限公司 | Bulldozing device of bulldozing car |
| CN208830379U (en) * | 2018-08-21 | 2019-05-07 | 郴州市中马汽车空调有限公司 | A kind of farm tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110241876A (en) | 2019-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2990539B1 (en) | Wheel loader with bucket | |
| WO2018052246A1 (en) | Linearly movable vibration ripper | |
| CN110241876B (en) | Working device of tyre type high-speed bulldozer | |
| US5094017A (en) | Direct driven type shock ripper device | |
| EP2987917B1 (en) | Bucket, and work vehicle provided with same | |
| CN210946964U (en) | Rock breaking device and rock breaking machine | |
| US4358240A (en) | Asymmetric backhoe | |
| CN111236351A (en) | Rock breaking device | |
| CN217299077U (en) | Loader working device special for low roadway | |
| CN103806480A (en) | Bucket connection mechanism of small loading machine | |
| CN114718142A (en) | Broken operation device of soil stone | |
| CN113263868A (en) | Drive axle system for loader | |
| CN212835601U (en) | Adjustable connecting rod assembly applied to excavating machinery working device | |
| CN103147475B (en) | Loading machine mechanism capable of optimizing turnover force of bucket | |
| CN1030112A (en) | side-dumping loader | |
| EP1867792B1 (en) | Stabilizer | |
| CN215165959U (en) | Multifunctional excavator | |
| CN220202827U (en) | Mechanical operating mechanism for multi-way valve and excavator comprising mechanical operating mechanism | |
| CN209779731U (en) | Excavator arm with freely-converted front shovel and back shovel | |
| KR20140033303A (en) | Link device installed in rear side of tractor | |
| CN213254596U (en) | Tunnel crushing arm and tunnel crushing equipment | |
| WO2019088895A1 (en) | Lifting arrangement and loading machine for underground applications | |
| CN218667693U (en) | Excavator dozer blade | |
| KR20100045003A (en) | Acceleration pedal assembly for backhoe loader | |
| CN111877421B (en) | Excavating machinery working device with adjustable hinge point and engineering vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |