CN110241876B - Working device of tyre type high-speed bulldozer - Google Patents

Working device of tyre type high-speed bulldozer Download PDF

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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
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push arm
left push
working device
hinged
section
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CN110241876A (en
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曹霞
王振清
刘宇博
张垒阁
张超
杜晓琳
李均刚
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Xuzhou Construction Machinery Group Co Ltd XCMG
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Science and Technology Branch of XCMG
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80Component parts

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  • 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

本发明公布一种轮胎式高速推土机工作装置,属于工程机械技术领域。左推臂、右推臂前端铰接有作业装置,左推臂、右推臂后端铰接在主机上;左推臂与作业装置之间铰接有调节杆;左推臂的前段和后段均为直杆,左推臂前段和后段之间是向下弯曲的弧形段;作业装置工作时,所述左推臂的前铰接点和后铰接点之间的连线与水平地面之间的夹角为α,5°≤α≤6°;左推臂的左侧、右推臂的右侧与作业装置之间分别铰接有水平杆;左推臂、右推臂与主机之间分别连接有锁止机构。本发明保证了作业时力矩的有效传递,实现车辆高速行驶性能,保证推土机高速时的安全性,使得推土机得以快速转场,提高了工作效率。

Figure 201910548905

The invention discloses a tire-type high-speed bulldozer working device, which belongs to the technical field of construction machinery. The front ends of the left push arm and the right push arm are hinged with working devices, and the rear ends of the left push arms and the right push arms are hinged on the main engine; an adjusting rod is hinged between the left push arm and the working device; the front and rear sections of the left push arm are both Straight rod, between the front section and the rear section of the left push arm is a downwardly curved arc section; when the working device is working, the connection line between the front hinge point and the rear hinge point of the left push arm and the level ground. The included angle is α, 5°≤α≤6°; horizontal rods are hinged between the left side of the left push arm, the right side of the right push arm and the working device; the left push arm, the right push arm and the host are respectively connected There is a locking mechanism. 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 transfer quickly, and improves the work efficiency.

Figure 201910548905

Description

Working device of tyre type high-speed bulldozer
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)

1.一种轮胎式高速推土机工作装置,包括左推臂(4)、右推臂(6),左推臂(4)、右推臂(6)前端铰接有作业装置(1),左推臂(4)、右推臂(6)后端铰接在主机(7)上;所述左推臂(4)与作业装置(1)之间铰接有调节杆(3);1. A working device of a tire-type high-speed bulldozer, comprising a left push arm (4), a right push arm (6), a working device (1) hinged at the front ends of the left push arm (4) and the right push arm (6), and the left push arm (6); The rear end of the arm (4) and the right push arm (6) are hinged on the main engine (7); an adjusting rod (3) is hinged between the left push arm (4) and the working device (1); 其特征在于:It is characterized by: 所述左推臂(4)、右推臂(6)结构相对称;所述左推臂(4)的前段和后段均为直杆,左推臂(4)前段和后段之间是向下弯曲的弧形段;The structures of the left push arm (4) and the right push arm (6) are relatively symmetrical; the front section and the rear section of the left push arm (4) are both straight rods, and the front section and the rear section of the left push arm (4) are A downward curved arc segment; 作业装置(1)工作时,所述左推臂(4)的前铰接点和后铰接点之间的连线与水平地面之间的夹角为α,5°≤α≤6°;左推臂(4)的弧形段的底平面与左推臂(4)后部铰接点之间的距离为D,600mm≤D≤620mm;When the working device (1) is working, the angle between the connection line between the front hinge point and the rear hinge point of the left push arm (4) and the horizontal ground is α, 5°≤α≤6°; The distance between the bottom plane of the arc segment of the arm (4) and the hinge point of the rear of the left push arm (4) is D, 600mm≤D≤620mm; 所述左推臂(4)的左侧、右推臂(6)的右侧与作业装置(1)之间分别铰接有水平杆(2);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 working device (1); 所述左推臂(4)、右推臂(6)与主机(7)之间分别连接有锁止机构(5);A locking mechanism (5) is respectively connected between the left push arm (4), the right push arm (6) and the main engine (7); 所述左推臂(4)弧形段上侧面焊接有推臂耳板(46);所述主机(7)前侧与推臂耳板(46)的位置设有长形孔;所述锁止机构(5)包括安全杆(51),安全杆(51)一端铰接在主机(7)前侧的长形孔中,安全杆(51)另一端与推臂耳板(46)采用销连接。A push arm lug plate (46) is welded on the upper side of the arc section of the left push arm (4); an elongated hole is provided on the front side of the main engine (7) and the position of the push arm lug plate (46); the lock The stop mechanism (5) includes a safety rod (51), one end of the safety rod (51) is hinged in the elongated hole on the front side of the host (7), and the other end of the safety rod (51) is connected with the push arm lug (46) by a pin . 2.根据权利要求1所述的轮胎式高速推土机工作装置,其特征在于:所述左推臂(4)包括上下相对的上弯板(42)、下弯板(43),上弯板(42)、下弯板(43)外侧边之间焊接有侧板(45);在所述左推臂(4)的前段、后段和弧形段中分别设有一个加强板(47),加强板(47)分别与上弯板(42)、下弯板(43)、侧板(45)焊接。2. The tire-type high-speed bulldozer working device according to claim 1, characterized in that: the left push arm (4) comprises an upper curved plate (42), a lower curved plate (43), and an upper curved plate ( 42) A side plate (45) is welded between the outer sides of the lower curved plate (43); a reinforcing plate (47) is respectively provided in the front section, the rear section and the arc section of the left push arm (4). , the reinforcing plate (47) is welded with the upper curved plate (42), the lower curved plate (43) and the side plate (45) respectively. 3.根据权利要求2所述的轮胎式高速推土机工作装置,其特征在于:所述左推臂(4)前段的前端焊接有连接头(41);左推臂(4)前段的外侧和上侧分别焊接有铰接支座(44);左推臂(4)后段的后端焊接有接头体(48);所述接头体(48)与球铰支座49采用球形副连接,所述球铰支座49固定在主机(7)上。3. The tire-type high-speed bulldozer working device according to claim 2, characterized in that: the front end of the front section of the left push arm (4) is welded with a connector (41); the outer and upper sides of the front section of the left push arm (4) A hinged support (44) is welded to the sides respectively; a joint body (48) is welded to the rear end of the rear section of the left push arm (4); The ball joint support 49 is fixed on the main engine (7).
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0849224A (en) * 1994-08-05 1996-02-20 Kawasaki Heavy Ind Ltd Snow removal equipment
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0849224A (en) * 1994-08-05 1996-02-20 Kawasaki Heavy Ind Ltd Snow removal equipment
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

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