Bulldozing equipment and engineering operation vehicle

Abstract

The utility model discloses bulldozing equipment and an engineering operation vehicle, and relates to the technical field of engineering vehicles. The bulldozing equipment comprises a mounting frame assembly, at least one soil shoveling piece and a power adjusting assembly, the mounting frame assembly is used for being mounted on a vehicle body, the at least one soil shoveling piece is rotationally arranged on the mounting frame assembly, the soil shoveling piece is used for bulldozing construction, and the soil shoveling piece can rotate to two different angle positions relative to the mounting frame assembly; therefore, the bulldozing equipment has different overall widths; the power adjusting assembly is connected with the soil shoveling piece so as to drive the soil shoveling piece to rotate to different angle positions relative to the mounting frame assembly. According to the bulldozing equipment, the bulldozing width of the bulldozing equipment can be adjusted by adjusting the angle position of the soil shoveling piece relative to the mounting frame assembly so as to meet the requirements of different bulldozing working conditions; meanwhile, on the basis that the bulldozing width requirement is met, the occupied space of bulldozing equipment is reduced, transportation is convenient, and in addition, installation of other structures is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering vehicles, and more specifically, to a bulldozer. In addition, the utility model also relates to an engineering operation vehicle comprising the bulldozer. Background Art

[0002] The width of the bulldozers in existing engineering vehicles is limited by transportation and other conditions. To ensure driving performance, the maximum width of the bulldozers is generally equal to the width of the vehicle body. The bulldozer width at one time is only the width of the vehicle body, and the bulldozer mode is single, occupying a large space.

[0003] In summary, how to provide a bulldozer that meets the bulldozer width requirement while occupying a smaller space is a problem that currently needs to be solved urgently by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a bulldozer equipment. By adjusting the angular position of the shovel piece relative to the mounting frame assembly, the overall width of the bulldozer equipment can be adjusted so that the bulldozer width of the bulldozer equipment meets the requirements while reducing the space occupied by the bulldozer equipment when it is not in working state.

[0005] Another object of the utility model is to provide an engineering operation vehicle including the bulldozer equipment.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A bulldozer, comprising:

[0008] A mounting frame assembly, used for mounting on a vehicle body;

[0009] At least one shovel member, rotatably mounted on the mounting frame assembly, the shovel member being used for bulldozing construction, the shovel member being rotatable to at least two different angular positions relative to the mounting frame assembly so that the bulldozer has different overall widths;

[0010] A power adjustment assembly is connected to the shoveling member to drive the shoveling member to rotate to different angular positions relative to the mounting frame assembly.

[0011] Optionally, the at least two shoveling pieces include:

[0012] a first side shovel, one end of which is rotatably connected to the mounting frame assembly;

[0013] a second side shovel, one end of which is rotatably connected to the mounting frame assembly;

[0014] The first side shovel and the second side shovel can be rotated to a straight state or a V-shaped angle state, or one of the first side shovel and the second side shovel can be rotated to an angle where the straight state is located and the other can be rotated to an angle where the V-shaped angle state is located.

[0015] Optionally, one end of the first side shovel and the second side shovel are both connected to the same position of the top end of the mounting frame assembly, and the first side shovel and the second side shovel are symmetrically arranged with respect to a middle cross-section of the mounting frame assembly.

[0016] Optionally, it also includes a first wing shovel, one end of which is rotatably connected to the other end of the first side shovel, and the first wing shovel can be rotated to be in the same straight line as the first side shovel or deflected to the inside of the first side shovel by a certain angle relative to the straight line where the first side shovel is located.

[0017] Optionally, it also includes a second wing shovel, one end of which is rotatably connected to the other end of the second side shovel; the second wing shovel can be rotated to be in the same straight line as the second side shovel or deflected to the inside of the second side shovel by a certain angle relative to the straight line where the second side shovel is located.

[0018] Optionally, the first wing shovel and the second wing shovel are symmetrically arranged with respect to a middle cross section of the mounting frame assembly.

[0019] Optionally, the mounting frame assembly includes a bulldozer arm and a push frame, the shovel members are all mounted on the push frame, and the power adjustment assembly includes a first telescopic power member;

[0020] One end of the bulldozer arm is used to be hingedly connected to the vehicle body, and the other end is hingedly connected to the pushing frame; one end of the first telescopic power member is connected to the bulldozer arm, and the other end is hingedly connected to the pushing frame to adjust the rotation angle of the pushing frame relative to the bulldozer arm.

[0021] Optionally, the power adjustment component further includes:

[0022] a second telescopic power member, one end of which is connected to the first side shovel and the other end of which is connected to the first wing shovel, so as to adjust the angle between the first side shovel and the first wing shovel;

[0023] a third telescopic power member, one end of which is connected to the second side shovel and the other end of which is connected to the second wing shovel, so as to adjust the angle between the second side shovel and the second wing shovel;

[0024] a fourth telescopic power member, one end of which is connected to the first side shovel or the first wing shovel, and the other end of which is connected to the push frame, so as to adjust the rotation angle of the first side shovel relative to the push frame;

[0025] A fifth telescopic power member has one end connected to the second side shovel or the second wing shovel and the other end connected to the push frame to adjust the rotation angle of the second side shovel relative to the push frame.

[0026] Optionally, the second telescopic power member and the fourth telescopic power member are hingedly connected to the same position of the first wing shovel, so that the first side shovel, the first wing shovel, the fourth telescopic power member, and the push frame are combined into a four-link structure;

[0027] The third telescopic power member and the fourth telescopic power member are hingedly connected to the same position of the second wing shovel, so that the second side shovel, the second wing shovel, the fifth telescopic power member and the push frame are combined into a four-bar structure.

[0028] An engineering work vehicle comprises a vehicle body and any one of the bulldozer equipment described above, wherein the mounting frame assembly is connected to the vehicle body.

[0029] During the use of the bulldozer equipment provided by the utility model, when the bulldozer equipment is in a working state, the angular position of the shovel piece can be adjusted by the power adjustment component, so that the bulldozer equipment has a wider bulldozer width to meet the bulldozer width requirements; when the bulldozer equipment is in a non-working state, the angular position of the shovel piece relative to the mounting frame component can be adjusted by the power adjustment component, so that the bulldozer equipment has a narrower bulldozer width to meet the requirements of convenient transportation and small space occupation.

[0030] The shovel piece of the bulldozer equipment provided in the present application can be rotatably arranged on a mounting frame assembly. By adjusting the angular position of the shovel piece relative to the mounting frame assembly, the bulldozer width of the bulldozer equipment can be adjusted to meet the requirements of different bulldozer working conditions; at the same time, on the basis of meeting the bulldozer width requirements, the space occupied by the bulldozer equipment can be reduced to facilitate transportation, and it is also beneficial to the installation of other structures.

[0031] In addition, the utility model also provides an engineering operation vehicle including the bulldozer equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0033] Figure 1 A structural schematic diagram of a specific embodiment of the bulldozer provided by the utility model;

[0034] Figure 2It is a schematic diagram of the structure of the bulldozer in a pentagonal state;

[0035] Figure 3 It is a schematic diagram of the structure of the bulldozer equipment unfolded to a straight state;

[0036] Figure 4 It is a structural schematic diagram of the bulldozer in a V-shaped state;

[0037] Figure 5 It is a structural schematic diagram of the bulldozer in a unilateral V-shaped state;

[0038] Figure 6 The utility model is a structural schematic diagram of the engineering operation vehicle provided by the utility model in a bulldozing state.

[0039] Figure 1-6 middle:

[0040] 1 is the vehicle body, 1.1 is the propeller;

[0041] 2 is bulldozer equipment;

[0042] 2.1 is the bulldozer arm, 2.2 is the sixth telescopic power member, 2.3 is the first wing shovel, 2.4 is the second telescopic power member, 2.5 is the first side shovel, 2.6 is the push frame, 2.7 is the second side shovel, 2.8 is the fifth telescopic power member, 2.9 is the second wing shovel, 2.10 is the first telescopic power member, 2.11 is the third telescopic power member, and 2.12 is the fourth telescopic power member. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] The core of the utility model is to provide a bulldozer. By adjusting the angular position of the shovel member relative to the mounting frame assembly, the overall width of the bulldozer can be adjusted so that the bulldozer width of the bulldozer meets the requirements while reducing the space occupied by the bulldozer when not in operation.

[0045] Another core of the utility model is to provide an engineering operation vehicle including the bulldozer equipment.

[0046] Please refer to Figures 1 to 6 .

[0047] This specific embodiment discloses a bulldozer equipment 2, including a mounting frame assembly, at least one scooping piece and a power adjustment assembly. The mounting frame assembly is used to be installed on a vehicle body 1. At least one scooping piece is rotatably arranged on the mounting frame assembly. The scooping piece is used for bulldozer construction, and the scooping piece can be rotated to two different angular positions relative to the mounting frame assembly so that the bulldozer equipment 2 has different overall widths; the power adjustment assembly is connected to the scooping piece to drive the scooping piece to rotate to different angular positions relative to the mounting frame assembly.

[0048] It should be noted that the number of the shoveling pieces in this specific embodiment can be one, two or more, which is determined based on actual conditions and will not be elaborated here.

[0049] During the use of the bulldozer equipment 2 provided in this specific embodiment, when the bulldozer equipment 2 is in a working state, the angular position of the shovel piece can be adjusted through the power adjustment component, so that the bulldozer equipment 2 has a wider bulldozer width to meet the bulldozer width requirements; when the bulldozer equipment 2 is in a non-working state, the angular position of the shovel piece relative to the mounting frame assembly can be adjusted through the power adjustment component, so that the bulldozer equipment 2 has a narrower bulldozer width to meet the requirements of convenient transportation and small space occupation.

[0050] The shoveling piece of the bulldozer equipment 2 provided in this specific embodiment is rotatably arranged on the mounting frame assembly. By adjusting the angular position of the shoveling piece relative to the mounting frame assembly, the bulldozer width of the bulldozer equipment 2 can be adjusted to meet the requirements of different bulldozer working conditions; at the same time, on the basis of meeting the bulldozer width requirements, the space occupied by the bulldozer equipment 2 can be reduced to facilitate transportation. In addition, it is also conducive to the installation of other structures.

[0051] In a specific embodiment, two shovel parts are provided, including a first side shovel 2.5 and a second side shovel 2.7, wherein one end of the first side shovel 2.5 is rotatably connected to the mounting frame assembly, and one end of the second side shovel 2.7 is rotatably connected to the mounting frame assembly, and the first side shovel 2.5 and the second side shovel 2.7 can be rotated to a straight line state or a V-shaped angle state, or one of the first side shovel 2.5 and the second side shovel 2.7 is rotated to the angle of the straight line state, and the other is rotated to the angle of the V-shaped angle state.

[0052] When the first side shovel 2.5 and the second side shovel 2.7 rotate to a straight state, the first side shovel 2.5 and the second side shovel 2.7 are located in the same straight line, and the bulldozer width formed by the first side shovel 2.5 and the second side shovel 2.7 is in the widest state. At this time, one end of the first side shovel 2.5 and the second side shovel 2.7 can be connected to the same position at the top of the mounting frame assembly, and the first side shovel 2.5 and the second side shovel 2.7 are symmetrically arranged about the middle cross-section of the mounting frame assembly; the first side shovel 2.5 and the second side shovel 2.7 form a continuous bulldozer width to adapt to bulldozer working conditions; the first side shovel 2.5 and the second side shovel 2.7 can also be hinged to both sides of the mounting frame assembly respectively, and the bulldozer width of the first side shovel 2.5 and the second side shovel 2.7 is discontinuous to adapt to special bulldozer working conditions.

[0053] In this specific embodiment, the first side shovel 2.5 and the second side shovel 2.7 are rotatably arranged on the mounting frame assembly. In the bulldozing state, the first side shovel 2.5 and the second side shovel 2.7 can be rotated to be located in the same straight line to increase the bulldozing width and improve the bulldozing efficiency; during transportation or walking, the first side shovel 2.5 and the second side shovel 2.7 can be rotated to form a V-shaped angle state, and the V-shaped angle state here refers to the first side shovel 2.5 and the second side shovel 2.7 being combined into an inverted V shape from the front end to the rear end of the bulldozer; the bulldozer width is reduced, and the overall width of the bulldozer equipment 2 is reduced, which is convenient for transportation and storage, and is beneficial to reducing space occupancy and meeting transportation requirements.

[0054] Based on the above embodiments, Figure 1 As shown, it also includes a first wing shovel 2.3 and a second wing shovel 2.9. One end of the first wing shovel 2.3 is rotatably connected to the other end of the first side shovel 2.5. The first wing shovel 2.3 can be rotated to be in the same straight line with the first side shovel 2.5 or deflected to the inner side of the first side shovel 2.5 by a certain angle relative to the straight line where the first side shovel 2.5 is located; one end of the second wing shovel 2.9 is rotatably connected to the other end of the second side shovel 2.7. The second wing shovel 2.9 can be rotated to be in the same straight line with the second side shovel 2.7 or deflected to the inner side of the second side shovel 2.7 by a certain angle relative to the straight line where the second side shovel 2.7 is located.

[0055] In the specific use process, such as Figure 2 As shown, the first side shovel 2.5 and the second side shovel 2.7 can be rotated relative to the mounting frame assembly to a V-shaped angle state, the first wing shovel 2.3 can be rotated relative to the first side shovel 2.5 to deflect a certain angle to the inside of the straight line where the first side shovel 2.5 is located, and the second wing shovel 2.9 can be rotated relative to the second side shovel 2.7 to deflect a certain angle to the inside of the straight line where the second side shovel 2.7 is located; the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 are combined as shown in the figure. Figure 2The pentagonal structure shown can effectively reduce the overall width of the shovel member, further reduce the width of the bulldozer 2, facilitate transportation and storage, and help reduce the width dimension occupied by the bulldozer 2.

[0056] like Figure 3 As shown, the first side shovel 2.5 and the second side shovel 2.7 can be rotated relative to the mounting frame assembly to be located in the same straight line, the first wing shovel 2.3 can be rotated relative to the first side shovel 2.5 to be located in the same straight line with the first side shovel 2.5, and the second wing shovel 2.9 can be rotated relative to the second side shovel 2.7 to be located in the same straight line with the second side shovel 2.7; so that the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 are all located in the same straight line, as shown in FIG. Figure 3 As shown, increasing the shoveling width of the shoveling member can effectively improve the shoveling efficiency.

[0057] like Figure 4 As shown, the first side shovel 2.5 and the second side shovel 2.7 can be rotated relative to the mounting frame assembly to a V-shaped angle state, the first wing shovel 2.3 is rotated relative to the first side shovel 2.5 to be located in the same straight line as the first side shovel 2.5, and the second wing shovel 2.9 is rotated relative to the second side shovel 2.7 to be located in the same straight line as the second side shovel 2.7, so that the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 are at a V-shaped angle, which is relatively Figure 3 The status shown, Figure 4 The dozing width of the middle shovel is reduced. Figure 2 The status shown, Figure 4 The bulldozer width of the middle shovel is increased, which can be used in working conditions with special requirements for bulldozer width.

[0058] like Figure 5 As shown, the first wing shovel 2.3 rotates relative to the first side shovel 2.5 to be in the same straight line with the first side shovel 2.5, and the second wing shovel 2.9 rotates relative to the second side shovel 2.7 to be in the same straight line with the second side shovel 2.7; wherein, at the angle position when the first side shovel 2.5 is in a straight state, the first side shovel 2.5 and the first wing shovel 2.3 form a whole with the maximum bulldozing width; the second side shovel 2.7 is at an angle position forming a V-shaped angle, and the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 are combined as shown in the figure. Figure 5 The single-sided straight line state shown is applicable to special bulldozing conditions.

[0059] Furthermore, the first side shovel 2.5 and the second side shovel 2.7 can be symmetrically arranged about the middle section of the mounting frame assembly, and the first wing shovel 2.3 and the second wing shovel 2.9 can be symmetrically arranged about the middle section of the mounting frame assembly. The middle section of the mounting frame assembly mentioned in this specific embodiment is the middle section of the mounting frame assembly in the width direction.

[0060] On the basis of the above embodiment, the mounting frame assembly includes a bulldozer arm 2.1 and a pushing frame 2.6, and the shovel parts are all installed on the pushing frame 2.6. The power adjustment assembly includes a first telescopic power member 2.10; one end of the bulldozer arm 2.1 is used to be hingedly connected to the vehicle body 1, and the other end is hingedly connected to the pushing frame 2.6; one end of the first telescopic power member 2.10 is connected to the bulldozer arm 2.1, and the other end is hingedly connected to the pushing frame 2.6 to adjust the rotation angle of the pushing frame 2.6 relative to the bulldozer arm 2.1.

[0061] Preferably, one end of the first telescopic power member 2.10 is hingedly connected to the bulldozer arm 2.1, and the other end is hingedly connected to the middle part of the pushing frame 2.6.

[0062] In actual use, the extension amount of the first telescopic power member 2.10 can be adjusted to adjust the rotation angle of the push frame 2.6 relative to the bulldozer arm 2.1, thereby adjusting the angle of the shovel member relative to the bulldozer arm 2.1 to adapt to more bulldozer working conditions.

[0063] In a specific embodiment, the power adjustment assembly also includes a second telescopic power member 2.4, a third telescopic power member 2.11, a fourth telescopic power member 2.12 and a fifth telescopic power member 2.8. One end of the second telescopic power member 2.4 is connected to the first side shovel 2.5, and the other end is connected to the first wing shovel 2.3 to adjust the angle between the first side shovel 2.5 and the first wing shovel 2.3; one end of the third telescopic power member 2.11 is connected to the second side shovel 2.7, and the other end is connected to the second wing shovel 2.9. , to adjust the included angle between the second side shovel 2.7 and the second wing shovel 2.9; one end of the fourth telescopic power member 2.12 is connected to the first side shovel 2.5 or the first wing shovel 2.3, and the other end is connected to the pushing frame 2.6 to adjust the rotation angle of the first side shovel 2.5 relative to the pushing frame 2.6; one end of the fifth telescopic power member 2.8 is connected to the second side shovel 2.7 or the second wing shovel 2.9, and the other end is connected to the pushing frame 2.6 to adjust the rotation angle of the second side shovel 2.7 relative to the pushing frame 2.6.

[0064] Specifically, the first telescopic power component 2.10, the second telescopic power component 2.4, the third telescopic power component 2.11, the fourth telescopic power component 2.12, and the fifth telescopic power component 2.8 can all be set as variable amplitude cylinders. Of course, the first telescopic power component 2.10, the second telescopic power component 2.4, the third telescopic power component 2.11, the fourth telescopic power component 2.12, and the fifth telescopic power component 2.8 can also be other power structures that meet the requirements, which are determined according to actual conditions and will not be elaborated here.

[0065] In the case of transportation or when the bulldozer 2 needs to be stored, Figure 2As shown, the second telescopic power member 2.4, the third telescopic power member 2.11, the fourth telescopic power member 2.12, and the fifth telescopic power member 2.8 are controlled to be fully retracted, so that the first side shovel 2.5 and the second side shovel 2.7 form a V-shaped angle, the first wing shovel 2.3 and the second wing shovel 2.9 are parallel to the extension direction of the bulldozer arm 2.1, and the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3, and the second wing shovel 2.9 are combined as shown in the figure. Figure 1 , Figure 2 The pentagonal structure shown.

[0066] When bulldozing is required, Figure 3 As shown, the fourth telescopic power member 2.12 and the fifth telescopic power member 2.8 are controlled to be fully extended, so that the first side shovel 2.5 and the second side shovel 2.7 are in the same straight line; the second telescopic power member 2.4 and the third telescopic power member 2.11 are controlled to be fully extended, so that the first wing shovel 2.3 and the first side shovel 2.5 are in the same straight line, and the second wing shovel 2.9 and the second side shovel 2.7 are in the same straight line, so that the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 form the following Figure 3 The straight line state shown increases the dozer width.

[0067] When bulldozer conditions have special requirements, such as Figure 4 As shown, the fourth telescopic power member 2.12 and the fifth telescopic power member 2.8 are controlled not to be fully extended, and the first side shovel 2.5 and the second side shovel 2.7 are in a V-shaped angle state; the second telescopic power member 2.4 and the third telescopic power member 2.11 are controlled to be fully extended, so that the first wing shovel 2.3 and the first side shovel 2.5 are located in the same straight line, and the second wing shovel 2.9 and the second side shovel 2.7 are located in the same straight line, so that the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 form a V-shaped angle state. Figure 4 The V-shaped angle state shown is to meet the requirements of bulldozing width and bulldozing angle under bulldozing conditions.

[0068] like Figure 5 As shown, the fourth telescopic power member 2.12 is controlled to be fully extended, and the fifth telescopic power member 2.8 is not fully extended, the first side shovel 2.5 is in a straight line state, and the second side shovel 2.7 is in a V-shaped angle state, and the second telescopic power member 2.4 and the third telescopic power member 2.11 are controlled to be fully extended, so that the first wing shovel 2.3 and the first side shovel 2.5 are located in the same straight line, and the second wing shovel 2.9 and the second side shovel 2.7 are located in the same straight line, so that the first side shovel 2.5, the second side shovel 2.7, the first wing shovel 2.3 and the second wing shovel 2.9 form as shown. Figure 5 The single-sided straight line state shown meets the bulldozer working conditions with special requirements.

[0069] like Figure 1As shown, the second telescopic power member 2.4 and the fourth telescopic power member 2.12 are hingedly connected to the same position of a wing shovel, so that the first side shovel 2.5, the first wing shovel 2.3, the fourth telescopic power member 2.12 and the push frame 2.6 are combined into a four-bar structure; the third telescopic power member 2.11 and the fourth telescopic power member 2.12 are hingedly connected to the same position of the second wing shovel 2.9, so that the second side shovel 2.7, the second wing shovel 2.9, the fifth telescopic power member 2.8 and the push frame 2.6 are combined into a four-bar structure.

[0070] The arrangement of the four-link structure can increase the lever arms of the fourth telescopic power member 2.12 and the fifth telescopic power member 2.8 to the maximum, and can effectively reduce the back pressure of the fourth telescopic power member 2.12 and the fifth telescopic power member 2.8 when bulldozing.

[0071] In other embodiments, one end of the fourth telescopic power member 2.12 can be connected to the push frame 2.6 and the other end can be connected to the first side shovel 2.5, and one end of the fifth telescopic power member 2.8 can be connected to the push frame 2.6 and the other end can be connected to the second side shovel 2.7.

[0072] Preferably, one end of the fourth telescopic power member 2.12 is connected to the push frame 2.6, and the other end is connected to the middle of the first side wing, and one end of the fifth telescopic power member 2.8 is connected to the push frame 2.6, and the other end is connected to the middle of the second side wing.

[0073] In addition to the bulldozer 2, the utility model also provides an engineering work vehicle including a vehicle body 1 and the bulldozer 2 disclosed in the above embodiment. For the structures of other parts of the engineering work vehicle, please refer to the prior art and will not be described in detail herein.

[0074] like Figure 6 As shown, the vehicle body 1 is provided with a propeller 1.1, which can propel the engineering vehicle forward when sailing on water. In this specific embodiment, the bulldozer 2 is provided with a bulldozer arm 2.1, and also includes a sixth telescopic power member 2.2, one end of the sixth telescopic power member 2.2 is hingedly connected to the vehicle body 1, and the other end is hingedly connected to the bulldozer arm 2.1, so as to adjust the rotation angle of the bulldozer arm 2.1 relative to the vehicle body 1.

[0075] Each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referenced to each other. Any combination of all embodiments provided by the utility model is within the protection scope of this utility model and will not be described in detail here.

[0076] The bulldozer and engineering vehicle provided by the utility model are introduced in detail above. The principle and implementation method of the utility model are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A bulldozer, characterized in that: include: A mounting frame assembly, used for mounting on a vehicle body (1); At least one shovel member, rotatably mounted on the mounting frame assembly, the shovel member being used for bulldozing construction, the shovel member being rotatable to at least two different angular positions relative to the mounting frame assembly so that the bulldozer has different overall widths; A power adjustment assembly is connected to the shoveling member to drive the shoveling member to rotate to different angular positions relative to the mounting frame assembly.

2. The earthmoving equipment according to claim 1, characterized in that: The at least two earth-moving parts include: A first side shovel (2.5), one end of which is rotatably connected to the mounting frame assembly; A second side shovel (2.7), one end of which is rotatably connected to the mounting frame assembly; The first side shovel (2.5) and the second side shovel (2.7) can be rotated to a straight state or a V-shaped angle state, or one of the first side shovel (2.5) and the second side shovel (2.7) is rotated to an angle where the straight state is located, and the other is rotated to an angle where the V-shaped angle state is located.

3. The earthmoving equipment according to claim 2, characterized in that: One end of the first side shovel (2.5) and the second side shovel (2.7) are both connected to the same position at the top end of the mounting frame assembly, and the first side shovel (2.5) and the second side shovel (2.7) are symmetrically arranged with respect to the middle section of the mounting frame assembly.

4. The earthmoving equipment according to claim 2, characterized in that: It also comprises a first wing shovel (2.3), one end of which is rotatably connected to the other end of the first side shovel (2.5), and the first wing shovel (2.3) can be rotated to be located in the same straight line as the first side shovel (2.5) or deflected to the inside of the first side shovel (2.5) by a certain angle relative to the straight line where the first side shovel (2.5) is located.

5. The earthmoving equipment according to claim 4, characterized in that: It also includes a second wing shovel (2.9), one end of which is rotatably connected to the other end of the second side shovel (2.7) 7; the second wing shovel (2.9) can be rotated to be located in the same straight line as the second side shovel (2.7) or deflected to the inside of the second side shovel (2.7) by a certain angle relative to the straight line where the second side shovel (2.7) is located.

6. The earthmoving equipment according to claim 5, characterized in that: The first wing scoop (2.3) and the second wing scoop (2.9) are symmetrically arranged with respect to a middle section of the mounting frame assembly.

7. The earthmoving equipment according to claim 5, characterized in that: The mounting frame assembly comprises a bulldozer arm (2.1) and a push frame (2.6), the shovel members are all mounted on the push frame (2.6), and the power adjustment assembly comprises a first telescopic power member (2.10); One end of the bulldozer arm (2.1) is hingedly connected to the vehicle body (1), and the other end is hingedly connected to the pushing frame (2.6); one end of the first telescopic power member (2.10) is connected to the bulldozer arm (2.1), and the other end is hingedly connected to the pushing frame (2.6) to adjust the rotation angle of the pushing frame (2.6) relative to the bulldozer arm (2.1).

8. The earthmoving equipment according to claim 7, characterized in that: The power adjustment assembly also includes: A second telescopic power member (2.4), one end of which is connected to the first side shovel (2.5), and the other end of which is connected to the first wing shovel (2.3), so as to adjust the angle between the first side shovel (2.5) and the first wing shovel (2.3); A third telescopic power member (2.11), one end of which is connected to the second side shovel (2.7), and the other end of which is connected to the second wing shovel (2.9), so as to adjust the included angle between the second side shovel (2.7) and the second wing shovel (2.9); a fourth telescopic power member (2.12), one end of which is connected to the first side shovel (2.5) or the first wing shovel (2.3), and the other end of which is connected to the push frame (2.6) to adjust the rotation angle of the first side shovel (2.5) relative to the push frame (2.6); A fifth telescopic power member (2.8) has one end connected to the second side shovel (2.7) or the second wing shovel (2.9) and the other end connected to the push frame (2.6) to adjust the rotation angle of the second side shovel (2.7) relative to the push frame (2.6).

9. The earthmoving equipment according to claim 8, characterized in that: The second telescopic power member (2.4) and the fourth telescopic power member (2.12) are hingedly connected to the same position of the first wing shovel (2.3), so that the first side shovel (2.5), the first wing shovel (2.3), the fourth telescopic power member (2.12) and the push frame (2.6) are combined into a four-link structure; The third telescopic power member (2.11) and the fourth telescopic power member (2.12) are hingedly connected to the same position of the second wing shovel (2.9), so that the second side shovel (2.7), the second wing shovel (2.9), the fifth telescopic power member (2.8) and the push frame (2.6) are combined into a four-link structure.

10. An engineering work vehicle, characterized in that: It comprises a vehicle body (1) and the bulldozer (2) according to any one of claims 1 to 9, wherein the mounting frame assembly is connected to the vehicle body (1).

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