CN114277869B - Bulldozer blade device and engineering machine - Google Patents
Bulldozer blade device and engineering machine Download PDFInfo
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- CN114277869B CN114277869B CN202111661430.4A CN202111661430A CN114277869B CN 114277869 B CN114277869 B CN 114277869B CN 202111661430 A CN202111661430 A CN 202111661430A CN 114277869 B CN114277869 B CN 114277869B
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Abstract
The present disclosure provides a dozer blade device, comprising: the shovel body assembly comprises a shovel body and two guide grooves arranged on the back surface of the shovel body; the first connecting frame is hinged with the shovel body assembly around a first axis through a first shaft, and the shovel body assembly is hinged with the first shaft around a second axis perpendicular to the first axis; the second connecting frame is hinged with the first connecting frame around a third axis perpendicular to the first axis and is rotatably arranged relative to the shovel body assembly, two ends of the second connecting frame in the length direction are in sliding fit with two guide grooves, and the guide grooves are configured to limit the relative movement of the second connecting frame and the shovel body assembly along the direction of the first axis; the first oil cylinder is hinged with the first connecting frame at the first end, and is hinged with the second connecting frame at the second end, and is used for driving the shovel body component to rotate around a third axis relative to the first connecting frame; and the first end of the second oil cylinder is hinged with the first connecting frame, and the second end of the second oil cylinder is hinged with the shovel body assembly and is used for driving the shovel body assembly to rotate around a first axis relative to the first connecting frame.
Description
Technical Field
The present disclosure relates to the field of engineering machinery, and in particular, to a dozer blade device and an engineering machine.
Background
As an important component of a working device of the bulldozer, the bulldozer blade is mainly used for working such as leveling a field, backfilling a foundation pit, emergent open-circuit and clearing road surface obstacles, and the like, and the bulldozer blade can be lifted, rotated and tilted relative to a vehicle body under different working conditions. Normally, bulldozers use a straight blade when pushing forward to scoop earth and stone, level a field or pile up loose materials; when the soil is shoveled by the mountain or the soil is abandoned on one side, the bulldozer adopts inclined shoveling operation; when soil is shoveled or a side ditch is shoveled on a slope, the bulldozer adopts side shoveling operation. In the related art, the space linkage mechanism employed in a rotary blade for achieving the above-described mode of operation is relatively complex and heavy.
Disclosure of Invention
An object of the present disclosure is to provide a blade device that is simple in structure and easy to operate, and a construction machine including the blade device.
A first aspect of the present disclosure provides a dozer blade device comprising:
the shovel body assembly comprises a shovel body and two guide grooves arranged on the back surface of the shovel body;
the first connecting frame is hinged with the shovel body assembly around a first axis through a first shaft, and the shovel body assembly is hinged with the first shaft around a second axis perpendicular to the first axis;
the second connecting frame is hinged with the first connecting frame around a third axis perpendicular to the first axis and is rotatably arranged relative to the shovel body assembly, two ends of the second connecting frame in the length direction are in sliding fit with the two guide grooves, and the guide grooves are configured to limit the relative movement of the second connecting frame and the shovel body assembly along the direction of the first axis;
the first oil cylinder is hinged with the first connecting frame at a first end, and is hinged with the second connecting frame at a second end, and the first oil cylinder is used for driving the shovel body assembly to rotate around the third axis relative to the first connecting frame; and
and the first end of the second oil cylinder is hinged with the first connecting frame, and the second end of the second oil cylinder is hinged with the shovel body assembly and is used for driving the shovel body assembly to rotate around the first axis relative to the first connecting frame.
According to some embodiments of the disclosure, the first connector includes:
a base;
the connecting seat is used for connecting a vehicle body of the engineering machinery and is arranged at one end, far away from the shovel body component, of the base; and
the first hinge part is arranged on the base, the first hinge part is hinged with the shovel body assembly around the first axis, and the first hinge part is hinged with the second connecting frame around the third axis.
According to some embodiments of the present disclosure, the shovel body includes:
a bulldozer plate;
side plates connected to both ends of the bulldozer plate in the longitudinal direction; and
and the reinforcing plate is connected with the bulldozer plate and the side plate to form a box-shaped structure.
According to some embodiments of the present disclosure, the shovel body includes:
the radius of curvature of the front surface of the bulldozer blade is gradually increased from top to bottom; and
and the shovel blade is connected with the bottom end of the bulldozer plate.
According to some embodiments of the disclosure, the second connecting frame comprises a second connecting frame body and wear-resistant blocks arranged at two ends of the second connecting frame body in the length direction, and the second connecting frame is in sliding fit with the guide groove through the wear-resistant blocks.
According to some embodiments of the disclosure, the shovel body assembly further includes a limiting portion disposed on a back surface of the shovel body and above at least one of the guide grooves, so as to limit a rotation angle of the shovel body assembly relative to the second connecting frame.
According to some embodiments of the disclosure, the shovel body assembly further includes a second cylinder support, the second cylinder support is disposed on the back surface of the shovel body, the limiting portion is located above one of the guide grooves, the second cylinder support is located above the other guide groove, so as to limit a rotation angle of the shovel body assembly relative to the second connecting frame, and the second end of the second cylinder is hinged to the second cylinder support.
According to some embodiments of the present disclosure, the blade device further includes a third oil cylinder, a first end of the third oil cylinder is hinged to the first connecting frame, a second end of the third oil cylinder is hinged to a vehicle body of the construction machine, and the first connecting frame is hinged to the vehicle body of the construction machine around a fourth axis perpendicular to the first axis and the third axis, and is used for driving one end, close to the blade assembly, of the first connecting frame to lift relative to the vehicle body of the construction machine.
According to some embodiments of the present disclosure, the blade apparatus further includes a plurality of rippers,
at least part of the looseners are arranged on the shovel body assembly side by side along the length direction of the shovel body assembly; and/or
At least part of the looseners are arranged on the first connecting frame side by side.
According to some embodiments of the present disclosure, the blade device further includes a guard disposed in correspondence with the ripper, the guard limiting a position of the ripper to disengage the ripper from the ground.
A second aspect of the present disclosure provides a work machine comprising a blade apparatus according to the first aspect of the present disclosure.
In the bulldozer blade device provided by the embodiment of the disclosure, the blade assembly has a rotational degree of freedom around the first axis and the second axis relative to the first connecting frame, the second connecting frame has a rotational degree of freedom around the third axis relative to the first connecting frame and is limited by the blade assembly in the direction of the first axis, and under the driving of each oil cylinder, the blade assembly has a plurality of degrees of freedom for executing straight blade operation, inclined blade operation and side blade operation, and the bulldozer blade device has a simple and reliable operation mode and structure.
Other features of the present disclosure and its advantages will become apparent from the following detailed description of exemplary embodiments of the disclosure, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this application, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and do not constitute an undue limitation on the disclosure. In the drawings:
fig. 1 is a schematic structural view of a blade apparatus according to some embodiments of the present disclosure.
Fig. 2 is a schematic structural view of a first connector of some embodiments of the present disclosure.
Fig. 3 is a right-side view of the first connecting frame shown in fig. 2.
Fig. 4 is a schematic structural view of a shovel body assembly according to some embodiments of the present disclosure.
Fig. 5 is a schematic front view of the shovel body assembly shown in fig. 4.
Fig. 6 is a schematic structural view of a second connector of some embodiments of the present disclosure.
Fig. 7 is a schematic cross-sectional view of a first link in connection with a blade assembly and a second link in accordance with some embodiments of the present disclosure.
FIG. 8 is a schematic view in partial cross-section of a blade assembly in accordance with some embodiments of the present disclosure in a position where the second attachment frame is in sliding engagement with the guide slot.
Fig. 9 is a schematic view showing the structure of the blade apparatus shown in fig. 1 in a right-handed operation.
Fig. 10 is a schematic view of the blade apparatus shown in fig. 1 in a left-handed operation.
Fig. 11 is a schematic view showing a front view of the blade apparatus shown in fig. 1 in a right-leaning operating state.
Fig. 12 is a schematic rear view of the blade apparatus of fig. 1 in a right-leaning operating condition.
Fig. 13 is a schematic view showing a front view of the blade apparatus shown in fig. 1 in a left-leaning operating state.
Fig. 14 is a schematic rear view of the blade apparatus of fig. 1 in a left-leaning operating condition.
In fig. 1 to 14, each reference numeral represents:
1. a first connection frame; 1.1, a base; 1.2, a first loosener support; 1.3, a first hinge; 1.4, a connecting seat; 1.5, a first oil cylinder support; 2. a shovel body assembly; 2.1, a bulldozer blade; 2.2, side plates; 2.3, reinforcing plates; 2.4, a second oil cylinder support; 2.5, a second hinge part; 2.6, a guide groove; 2.7, a limiting part; 2.8, a second loosener support; 2.9, a shovel blade; 3. a second connecting frame; 3.1, a second connecting part body; 3.2, a first pin hole; 3.3, wear-resisting blocks; 3.4, a second pin hole; 4. a third cylinder; 5. a first cylinder; 6. a second cylinder; 7. a scarifier; 8. a protective device; 9. a second shaft; 10. a first shaft; 11. a third shaft; 12. and a fourth axis.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present disclosure, it should be understood that the use of terms such as "first," "second," etc. for defining components is merely for convenience in distinguishing corresponding components, and the terms are not meant to be construed as limiting the scope of the present disclosure unless otherwise indicated.
In the description of the present disclosure, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present disclosure and to simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be configured and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present disclosure; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Embodiments of the present disclosure provide a blade apparatus and a work machine including the same. The construction machine may be a bulldozer, or may be another construction machine that needs to perform a bulldozing operation, such as an emergency rescue vehicle. The engineering machinery provided by the embodiment of the disclosure has the advantages of the bulldozer device provided by the embodiment of the disclosure.
In the following description, the term "front face" refers to the face of the blade device that is used to perform a dozer work; the term "back" refers to the side opposite the "front".
As shown in fig. 1 to 14, the embodiment of the present disclosure provides a blade apparatus including a blade assembly 2, a first link 1, a second link 3, a first cylinder 5, and a second cylinder 6.
The blade assembly 2 comprises two guide slots 2.6.
The first link 1 is hinged with the blade assembly 2 about a first axis A1 by a first shaft 10, and the blade assembly 2 is hinged with the first shaft 10 about a second axis A2 perpendicular to the first axis A1.
The second connecting frame 3 is hinged with the first connecting frame 1 around a third axis A3 perpendicular to the first axis A1 and is rotatably arranged relative to the shovel body assembly 2, two ends of the second connecting frame 3 in the length direction are in sliding fit with two guide grooves 2.6, and the guide grooves 2.6 are configured to limit the relative movement of the second connecting frame 3 and the shovel body assembly 2 along the direction of the first axis A1.
The first end of the first oil cylinder 5 is hinged with the first connecting frame 1, and the second end of the first oil cylinder is hinged with the second connecting frame 3, and is used for driving the shovel body assembly 2 to rotate around the third axis A3 relative to the first connecting frame 1. As shown in fig. 1, the blade device may include two first cylinders 5 disposed side by side along the length direction of the blade assembly, and second ends of the two first cylinders 5 are respectively hinged to two ends of the second link 3 in the length direction.
The first end of the second oil cylinder 6 is hinged with the first connecting frame 1, and the second end of the second oil cylinder is hinged with the shovel body assembly 2 and is used for driving the shovel body assembly 2 to rotate around the first axis A1 relative to the first connecting frame 1.
In the bulldozer blade device provided by the embodiment of the disclosure, the blade assembly has a rotational degree of freedom around the first axis and the second axis relative to the first connecting frame, the second connecting frame has a rotational degree of freedom around the third axis relative to the first connecting frame and is limited by the blade assembly in the direction of the first axis, and under the driving of each oil cylinder, the blade assembly has a plurality of degrees of freedom for executing straight blade operation, inclined blade operation and side blade operation, and the structure of the bulldozer blade device is simpler and more reliable.
As shown in fig. 2, 3, 6 and 7, in some embodiments, the first connection frame 1 includes a base 1.1, a connection seat 1.4 and a first hinge portion 1.3. The connecting seat 1.4 is used for connecting a vehicle body of engineering machinery, and the connecting seat 1.4 is arranged at one end of the base 1.1 far away from the shovel body component 2. The first hinge part 1.3 is arranged on the base 1.1, the first hinge part 1.3 is hinged with the shovel body assembly 2 around the first axis A1, and the first hinge part 1.3 is hinged with the second connecting frame 3 around the third axis A3.
In this embodiment, the base 1.1 may be U-shaped with an open end disposed toward a vehicle body of the construction machine, the first hinge portion 1.3 may be in a columnar structure, the top end of the first hinge portion 1.3 may be provided with a plurality of hinge lugs having pin holes, and the axis of the pin holes is the third axis A3. The fourth shaft 12 passes through a pin hole having an axis of the third axis A3 to hinge the second cylinder 6 and the second link 3 to the first hinge part 1.3. The first connection frame 1 may further include a first cylinder support 1.5, and a second end of the first cylinder 5 is hinged to the first cylinder support 1.5. The bottom end of the first hinge part 1.3 may be provided with a pin hole having an axis of a first axis A1, the first shaft 10 passes through the pin hole having an axis of the first axis A1 to hinge the second hinge part 2.5 of the back surface of the shovel body assembly 2 to the first hinge part 1.3, the second shaft 9 passes through the pin hole having an axis of the second axis A2 to hinge the second hinge part 2.5 to the first shaft 10, and the third shaft 11 has an axis perpendicular to the first and second axes A1 and A2 to connect the first and second shafts 10 and 9.
As shown in fig. 4 and 5, in some embodiments, the blade body includes a blade 2.1, a side plate 2.2, and a reinforcement plate 2.3. The side plates 2.2 are connected to both ends of the bulldozer plate 2.1 in the longitudinal direction. The reinforcement plate 2.3 is joined to the blade 2.1 and the side plate 2.2 to form a box-like structure, the shape of which corresponds to the contour of the blade 2.1 and the side plate 2.2. The box-shaped structure formed by connecting the reinforcing plate 2.3, the bulldozer plate 2.1 and the side plate 2.2 is beneficial to improving the overall structural strength of the shovel body assembly 2.
As shown in fig. 4 and 5, in some embodiments, the blade body includes a blade 2.1 and a blade 2.9. The radius of curvature of the front face of the blade 2.1 increases gradually from top to bottom. The blade 2.9 is attached to the bottom end of the blade 2.1. The shovel blade 2.9 can be made of wear-resistant materials and is connected to the bottom end of the bulldozer blade 2.1 by adopting a countersunk square neck bolt. As shown in fig. 3, the angle α of the third axis A3 to the horizontal directly affects the cutting angle of the shovel blade 2.9, and the angle α of the third axis A3 to the horizontal may be set to be adjustable to adjust the cutting angle of the shovel blade 2.9. Compared with a bulldozer blade with a circular arc-shaped front surface, the bulldozer blade 2.1 has the advantages that the upper curvature radius is larger, the lower curvature radius is smaller, the shovel blade 2.9 is connected to the bottom end of the bulldozer blade and forms a certain cutting angle, and the resistance of the bulldozer blade device when the bulldozer blade device performs bulldozer operation is reduced, so that the operation efficiency of the bulldozer blade device is improved.
As shown in fig. 6 and 8, in order to improve the service life of the second link 3, in some embodiments, the second link 3 includes a second link body 3.1 and wear blocks 3.3 provided at both ends of the second link body 3.1 in the length direction. The second connecting frame 3 is in sliding fit with the guide groove 2.6 through the wear-resisting block 3.3. The second connecting frame 3 can be hinged with the first oil cylinder 5 through a first pin hole 3.2, and can be hinged with the first connecting frame 3 through a second pin hole 3.4.
As shown in fig. 4, in some embodiments, the shovel body assembly 2 further includes a limiting portion 2.7, where the limiting portion 2.7 is disposed on the back surface of the shovel body and above the at least one guiding slot 2.6, so as to limit the rotation angle of the shovel body assembly 2 relative to the second connecting frame 3, and prevent the two ends of the length direction of the second connecting frame 3 from being separated from the guiding slots due to the overlarge rotation angle of the shovel body assembly 2 relative to the second connecting frame 3.
As shown in fig. 4, in some embodiments, the shovel body assembly 2 further includes a second cylinder support 2.4, the second cylinder support 2.4 is disposed on the back of the shovel body, the limiting portion 2.7 is located above one of the guide slots 2.6, the second cylinder support 2.4 is located above the other guide slot 2.6 to limit the rotation angle of the shovel body assembly 2 relative to the second connecting frame 3, and the second end of the second cylinder 6 is hinged to the second cylinder support 2.4.
In some embodiments, which are not shown, the shovel assembly 2 may also include two limiting portions 2.7, where the two limiting portions 2.7 are respectively located above the two guiding slots 2.6 to limit the rotation angle of the shovel assembly 2 relative to the second connecting frame 3.
As shown in fig. 1, in some embodiments, the dozer blade device further includes a third cylinder 4, a first end of the third cylinder 4 is hinged to the first link 1, a second end of the third cylinder 4 is hinged to a body of the working machine, and the first link 1 is hinged to the body of the working machine about a fourth axis perpendicular to the first axis A1 and the third axis A3, and is used for driving one end of the first link 1, which is close to the blade assembly 2, to lift relative to the body of the working machine. In this embodiment, the blade assembly may include two third cylinders 4 disposed side by side along the length of the blade assembly 2.
The two ends of the first oil cylinder 5, the second oil cylinder 6 and the third oil cylinder 4 can be embedded with joint bearings so as to improve the bearing capacity of the connection positions of the oil cylinders and the first connecting frame 1, the shovel body assembly 2 and the second connecting frame 3, and the smooth movement of all the component parts of the bulldozer shovel device is facilitated.
When working in a hard soil area, it is difficult to effectively complete the work by a blade, and therefore, a ripper is often attached to a support frame behind the body of the bulldozer, and the hard soil is ripped by the ripper and then the work is performed. As another component of the dozer working device, the ripper may perfect the work style of the dozer. However, according to the related art known to the inventors, a blade of a bulldozer is often disposed in front, and a ripper is disposed in rear, and the two are not integrated in structure, which is disadvantageous in improving work efficiency.
To integrate the functions of a blade and a ripper, and to improve the work efficiency of the work machine, as shown in FIG. 1, in some embodiments the blade apparatus also includes a plurality of rippers 7. The plurality of scarifiers 7 may be provided on the shovel assembly 2 or the first connection frame 1, or on both the shovel assembly 2 and the first connection frame 1. For example, at least a portion of the rippers 7 may be disposed side-by-side on the blade assembly 2 along the length of the blade assembly 2, and the blade assembly 2 may further include a second ripper mount 2.8, the rippers 7 being mounted on the second ripper mount 2.8. For another example, at least part of the rippers 7 may be arranged side by side on the first connection frame 1, and the first connection frame 1 may further comprise a first ripper support 1.2, and the rippers 7 are mounted on the first ripper support 1.2.
Before the shovel body assembly 2 executes the operation, when the engineering machinery is reversed, the loosener 7 can be adopted to carry out the pre-loosening operation of hard soil, clay, shale, bonded gravel and other different earthiness, and the loosener 7 can also be adopted to split rocks and pluck tree roots so as to improve the operation efficiency of the engineering machinery.
As shown in fig. 1, in some embodiments, the blade apparatus further includes a guard 8 disposed in correspondence with the ripper 7, the guard 8 limiting the position of the ripper 7 to disengage the ripper 7 from the ground. As shown in fig. 1, the protection device 8 may be a protection chain provided at the back of the shovel body assembly 2, and the scarifier 7 is retracted and fixed by the protection chain when the scarifier 7 is not in use.
The operational states that may be achieved by the blade apparatus of some embodiments of the present disclosure are further described below.
When the straight shovel work is executed, when the piston rods of the two third oil cylinders 4 of the bulldozer shovel device extend or retract, the shovel body assembly 2 can rotate around the fourth axis along with the first connecting frame 1 relative to the vehicle body of the engineering machine and ascend or descend relative to the vehicle body under the driving of the two third oil cylinders 4.
As shown in fig. 9, the piston rod of the first cylinder 5 on the left side of the blade device is extended, the piston rod of the first cylinder 5 on the left side of the blade device is retracted, the blade body assembly 2 is rotated about the second axis relative to the first link frame 1 by the driving of the two first cylinders 5, the second link frame 3 is rotated about the third axis relative to the first link frame 1, and the blade device is in a right-handed operation.
As shown in fig. 10, the piston rod of the first cylinder 5 on the left side of the blade device is retracted, the piston rod of the first cylinder 5 on the left side of the blade device is extended, the blade body assembly 2 is rotated about the second axis relative to the first link frame 1 by the driving of the two first cylinders 5, the second link frame 3 is rotated about the third axis relative to the first link frame 1, and the blade device is in the left-handed operation state.
When the bulldozer device is in a right-handed working state or a left-handed working state, the included angle between the length direction of the bulldozer plate and the advancing direction of the bulldozer device can be adjusted along with the expansion and contraction of the piston rods of the two first oil cylinders, and the bulldozer device can push soil to one side of an advancing route of the bulldozer device while cutting the soil, so that the inclined shovel operations such as single-side soil discharge, mountain-side soil shoveling, ditch backfilling and the like can be executed.
As shown in fig. 11 and 12, the second oil cylinder 6 is disposed on the right side of the back surface of the shovel body, the piston rod of the second oil cylinder 6 is retracted, the shovel body assembly 2 rotates around the first axis relative to the first connecting frame 1 under the driving of the second oil cylinder 6, and the two guide grooves 2.6 of the shovel body assembly 2 slide up and down relative to the wear-resistant blocks 3.3 at two ends of the length direction of the second connecting frame 3, so that the bulldozer shovel device is in a right-tilting working state.
As shown in fig. 13 and 14, the second oil cylinder 6 is disposed on the right side of the back surface of the shovel body, the piston rod of the second oil cylinder 6 extends out, the shovel body assembly 2 rotates around the first axis relative to the first connecting frame 1 under the driving of the second oil cylinder 6, and the two guide grooves 2.6 of the shovel body assembly 2 slide up and down relative to the wear-resistant blocks 3.3 at two ends of the length direction of the second connecting frame 3, so that the bulldozer shovel device is in a left-tilting working state.
When the bulldozer device is in a right-leaning working state or a left-leaning working state, the included angle between the length direction of the bulldozer plate and the ground can be adjusted along with the expansion and contraction of the piston rod of the second oil cylinder, and the bulldozer device is used for executing side shoveling operations such as pushing soil on a slope or shoveling a side ditch.
Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure and are not limiting thereof; although the present disclosure has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will appreciate that: modifications may be made to the specific embodiments of the disclosure or equivalents may be substituted for part of the technical features that are intended to be included within the scope of the claims of the disclosure.
Claims (9)
1. A blade apparatus, comprising:
the shovel body assembly (2) comprises a shovel body and two guide grooves (2.6) arranged on the back surface of the shovel body;
the first connecting frame (1) is hinged with the shovel body assembly (2) around a first axis (A1) through a first shaft (10), and the shovel body assembly (2) is hinged with the first shaft (10) around a second axis (A2) perpendicular to the first axis (A1);
a second connecting frame (3) hinged with the first connecting frame (1) around a third axis (A3) perpendicular to the first axis (A1) and rotatably arranged relative to the shovel body assembly (2), two ends of the second connecting frame (3) in the length direction are in sliding fit with two guide grooves (2.6), and the guide grooves (2.6) are configured to limit the relative movement of the second connecting frame (3) and the shovel body assembly (2) along the direction of the first axis (A1);
the first oil cylinder (5) is hinged with the first connecting frame (1) at a first end, and is hinged with the second connecting frame (3) at a second end, and is used for driving the shovel body assembly (2) to rotate around the third axis (A3) relative to the first connecting frame (1); and
the first end of the second oil cylinder (6) is hinged with the first connecting frame (1), and the second end of the second oil cylinder is hinged with the shovel body assembly (2) and is used for driving the shovel body assembly (2) to rotate around the first axis (A1) relative to the first connecting frame (1);
the shovel body assembly (2) further comprises a limiting part (2.7) and a second oil cylinder support (2.4), the limiting part (2.7) is arranged on the back of the shovel body and located above at least one guide groove (2.6), so as to limit the rotation angle of the shovel body assembly (2) relative to the second connecting frame (3), the second oil cylinder support (2.4) is arranged on the back of the shovel body, the limiting part (2.7) is located above one guide groove (2.6), the second oil cylinder support (2.4) is located above the other guide groove (2.6), so that the shovel body assembly (2) is limited relative to the rotation angle of the second connecting frame (3), and the second end of the second oil cylinder (6) is hinged to the second oil cylinder support (2.4).
2. A blade arrangement according to claim 1, characterized in that the first attachment frame (1) comprises:
a base (1.1);
the connecting seat (1.4) is used for connecting a vehicle body of the engineering machine, and the connecting seat (1.4) is arranged at one end, far away from the shovel body assembly (2), of the base (1.1); and
the first hinge part (1.3) is arranged on the base (1.1), the first hinge part (1.3) is hinged with the shovel body assembly (2) around the first axis (A1), and the first hinge part (1.3) is hinged with the second connecting frame (3) around the third axis (A3).
3. The blade apparatus of claim 1, wherein the blade body comprises:
a bulldozer blade (2.1);
side plates (2.2) connected to both ends of the bulldozer plate (2.1) in the longitudinal direction; and
and a reinforcing plate (2.3) connected with the bulldozer plate (2.1) and the side plate (2.2) to form a box-shaped structure.
4. The blade apparatus of claim 1, wherein the blade body comprises:
a bulldozer blade (2.1), wherein the radius of curvature of the front surface of the bulldozer blade (2.1) gradually increases from top to bottom; and
and a shovel blade (2.9) connected to the bottom end of the bulldozer blade (2.1).
5. A blade apparatus according to claim 1, wherein the second link (3) comprises a second link body (3.1) and wear blocks (3.3) provided at both ends in the longitudinal direction of the second link body (3.1), and the second link (3) is slidably fitted with the guide groove (2.6) through the wear blocks (3.3).
6. A blade arrangement according to any one of claims 1-5, characterized in that the blade arrangement further comprises a third cylinder (4), a first end of the third cylinder (4) being hinged to the first attachment (1), a second end of the third cylinder (4) being adapted to be hinged to the body of the working machine, the first attachment (1) being adapted to be hinged to the body of the working machine about a fourth axis perpendicular to the first axis (A1) and the third axis (A3), for driving the end of the first attachment (1) close to the blade assembly (2) up and down relative to the body of the working machine.
7. Blade arrangement according to any of claims 1-5, further comprising a plurality of rippers (7),
at least part of the looseners (7) are arranged on the shovel body assembly (2) side by side along the length direction of the shovel body assembly (2); and/or
At least part of the looseners (7) are arranged on the first connecting frame (1) side by side.
8. A blade arrangement according to claim 7, further comprising a guard (8) arranged in correspondence of the ripper (7), the guard (8) limiting the position of the ripper (7) to disengage the ripper (7) from the ground.
9. A construction machine comprising a blade device according to any one of claims 1 to 8.
Priority Applications (1)
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| CN202111661430.4A CN114277869B (en) | 2021-12-30 | 2021-12-30 | Bulldozer blade device and engineering machine |
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| CN202111661430.4A CN114277869B (en) | 2021-12-30 | 2021-12-30 | Bulldozer blade device and engineering machine |
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| CN114277869A CN114277869A (en) | 2022-04-05 |
| CN114277869B true CN114277869B (en) | 2023-06-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201915353U (en) * | 2010-12-17 | 2011-08-03 | 山东汇强重工科技有限公司 | Snow removal shovel used for snow removal vehicle |
| CN201924386U (en) * | 2011-01-30 | 2011-08-10 | 河北宣化工程机械股份有限公司 | Bulldozing device with adjustable horizontal and vertical dip angles of scraper knife |
| CN205669221U (en) * | 2016-06-08 | 2016-11-02 | 山推工程机械股份有限公司 | Equipment before a kind of mechanism reducing extreme position internal stress and universal shovel |
| CN207760908U (en) * | 2018-01-05 | 2018-08-24 | 山推工程机械股份有限公司 | A kind of perching knife component |
| CN108396798A (en) * | 2018-02-06 | 2018-08-14 | 黔西南州万宏机械制造有限责任公司 | A kind of bull-dozer and its equipment |
| US11053663B2 (en) * | 2018-09-13 | 2021-07-06 | Deere & Company | Agricultural machine having a processor configured to track a position of a draft frame |
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