Front face shield baffle structure and arrangement method of wire drawing end B

Abstract

The invention discloses a front face shield baffle structure and an arrangement method of a wire drawing end B, and belongs to the technical field of cab front decoration. The wire drawing assembly comprises an outer sleeve and a steel wire; the mask drawing wire fixing block is positioned and mounted at one end of the outer sleeve; the baffle guide rail is connected with one end of the steel wire; the frame drawing wire fixing plate is positioned and mounted at the other end of the outer sleeve; and a reset assembly. When the cab is overturned, the cab suspension overturning arm pulls the steel wire to enable the movable baffle to move upwards, so that the movable baffle is prevented from being extruded and interfered with other parts, and the service life is prolonged; when the cab returns, the movable baffle moves downwards through the reset assembly to block the gap between the front face shield and the front bumper, the attractiveness and consistency of the front portion of the cab are improved, the wiring harness and pipeline arrangement space in the area is increased, and wind resistance is reduced. Power is provided by overturning of the front suspension of the cab, linkage of the movable baffle is achieved, cost is reduced, and the development period is shortened.

Description

Technical Field

[0001] The invention belongs to the technical field of cab front decoration, in particular to a front cover baffle structure and an arrangement method of a wire drawing end B. Background Art

[0002] The front mask is an important part of the cab appearance. Its main function is to shield and protect the exposed components and cooling system in the front of the cab, such as the wiring harness and pipelines in the front of the cab. It also has the functions of heat dissipation and decoration. It is usually called the "front face". It consists of the front mask body, the mask grille, and the left and right spoiler assemblies. In terms of design, the front mask system plays a vital role in the styling style of the entire vehicle model.

[0003] The design of the front mask assembly needs to consider its reliability, performance, and the functions of each component to ensure the optimal performance of the entire mask.

[0004] In the field of light commercial trucks, in order to ensure that the lower edge of the front cover does not interfere with the wiring harness and pipelines behind it during the flipping of the cab, a certain gap is generally retained between the lower edge of the front cover and the upper edge of the bumper. The existence of this gap will cause many problems such as unsightly cab, poor consistency and increased wind resistance.

[0005] The existing solution to the gap between the front mask and the bumper is to install a soft rubber baffle at the bottom edge of the front mask. Since the baffle is made of soft rubber material, it can prevent the bottom edge of the front mask from causing damage to the wiring harness and pipelines on the rear side when the cab is flipped over. However, during actual use, this rubber baffle will be frequently squeezed, which will cause permanent deformation or cracking of the rubber baffle, resulting in a short service life of the rubber baffle and the need for frequent replacement. Summary of the invention

[0006] In order to solve the problem that the gap between the existing front mask and the bumper is covered by a rubber baffle installed at the lower edge of the front mask, the rubber baffle will be frequently squeezed during actual use, which will cause permanent deformation or cracking and damage to the rubber baffle, resulting in a short service life of the rubber baffle and the need for frequent replacement. The present invention provides a front mask baffle structure and an arrangement method of a drawing end B.

[0007] On the one hand, the present invention is achieved through the following technical solutions: A front mask baffle structure, comprising: A movable baffle, arranged at the lower side of the front mask; The wire drawing assembly comprises an outer sleeve and a steel wire slidably inserted into the outer sleeve, and a wire drawing clip A and a wire drawing clip B are respectively connected and installed at both ends of the outer sleeve; The mask wire drawing fixing block is installed on the front mask and positions the wire drawing clip A; The baffle guide rail is installed on the movable baffle, and a baffle wire drawing fixing block connected to one end of the steel wire is connected and installed on it, and the other end of the steel wire is provided with a wire drawing end B connected to the cab suspension flip arm; The mask guide rail is installed on the front mask and is located at the lower side of the mask wire drawing fixing block, and cooperates with the baffle guide rail sliding guide; The frame wire drawing fixing plate is positioned and installed on the frame, and the wire drawing clip B is positioned and installed; The reset component is connected and installed between the front cover and the movable baffle, and can exert an elastic downward thrust on the movable baffle.

[0008] A further improvement of the present invention is that a positioning ring is provided on the wire drawing clip A, a third vertical notch opening backward is provided on the mask wire drawing fixing block, and a first positioning groove for positioning and engaging the positioning ring is provided at the lower part of the third notch.

[0009] A further improvement of the present invention is that both sides of the mask wire drawing fixing block are connected to a mask wire drawing fixing block mounting plate which is connected and installed with the front mask in a positioning manner.

[0010] A further improvement of the present invention is that a wire drawing end A is vertically connected to one end of the steel wire close to the baffle wire drawing fixing block; a fixing hole for positioning and clamping the wire drawing end A is provided on the baffle wire drawing fixing block; a first notch opening facing backwards is also provided on the baffle wire drawing fixing block, and a second notch connected to the fixing hole is provided on one side of the first notch.

[0011] A further improvement of the present invention is that both the baffle guide rail and the mask guide rail are sheet metal bending and forming structures; a sliding protrusion is formed on the front side of the baffle guide rail, and a sliding groove for guiding the sliding protrusion is formed on the mask guide rail.

[0012] A further improvement of the present invention is that baffle guide rail mounting plates which are folded at both ends and are connected and installed with the movable baffle in a fixed position; and a pair of mask guide rail mounting plates which are connected and installed with the front mask in a fixed position are provided on both sides of the mask guide rail.

[0013] A further improvement of the present invention is that a second positioning notch for positioning and clamping the wire drawing clip B is provided on the frame wire drawing fixing plate; a positioning boss is provided at one end of the wire drawing clip B away from the wire drawing clip A, and a locking nut is screwed on the wire drawing clip B for press-fitting and fixing the frame wire drawing fixing plate.

[0014] A further improvement of the present invention is that the reset assembly includes a telescopic cylinder and a telescopic rod slidably inserted in the telescopic cylinder, and a reset spring capable of elastically supporting the telescopic rod outward is provided in the telescopic cylinder; the telescopic cylinder and the telescopic rod are respectively connected and installed with the front cover and the movable baffle.

[0015] A further improvement of the present invention is that two reset assemblies are symmetrically arranged on the left and right.

[0016] Another aspect of the present invention is achieved through the following technical solutions: A method for arranging a wire drawing end B based on the front mask baffle structure comprises the following steps: S1. Calculate the rotation radius R ; Wherein, L is the height of the movable baffle, and A is the tilting angle of the front suspension; S2. The front suspension flip center axis is taken as the rotation center, R is the rotation radius, and a cylindrical surface is obtained by rotating one circle. The cylindrical surface intersects with the outer surface of the cab suspension flip arm to obtain an intersection line; S3: The center of the wire drawing end B is arranged on the intersection line and ensured to be perpendicular to the cab suspension flip arm.

[0017] It can be seen from the above technical solutions that the beneficial effects of the present invention are: When the cab is flipped, the cab suspension flip arm on the cab front suspension will pull one end of the steel wire, thereby pulling the baffle wire drawing fixing block on the baffle guide rail through the steel wire, so that the baffle guide rail slides vertically upward along the mask guide rail, thereby driving the movable baffle to overcome the elastic thrust of the reset component and move upward, thereby effectively avoiding the extrusion and interference of the movable baffle with other components, and effectively extending the service life of the movable baffle; when the cab returns to its original position, the cab suspension flip arm on the cab front suspension will release the pulling force on the steel wire, and the movable baffle moves downward under the downward elastic thrust of the reset component, thereby blocking the gap between the front mask and the front bumper, effectively improving the aesthetics and consistency of the front part of the cab, increasing the layout space of the wiring harness and pipelines in this area, and reducing wind resistance. The overall structure is simple, easy to implement, and has good practicality. With the help of the cab front suspension flip to provide power, the layout of the motor and controller is saved, and the linkage action of the movable baffle is realized, which can effectively reduce costs and development cycles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the accompanying drawings required for use in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a schematic structural diagram of a first viewing angle of a specific implementation mode of the present invention.

[0020] Figure 2 It is a schematic diagram of the structure from a second viewing angle of a specific implementation manner of the present invention.

[0021] Figure 3 It is a schematic structural diagram from a third viewing angle of a specific implementation mode of the present invention.

[0022] Figure 4 for Figure 1 Schematic diagram of the partial enlarged structure of part A in the middle.

[0023] Figure 5 It is a schematic diagram of the installation structure of the wire drawing assembly according to a specific embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of a wire drawing assembly according to a specific embodiment of the present invention.

[0025] Figure 7 It is a schematic diagram of a wire drawing clip B and a wire drawing end B according to a specific embodiment of the present invention.

[0026] Figure 8 It is a schematic diagram of a wire drawing clip A and a wire drawing end A according to a specific embodiment of the present invention.

[0027] Fig. 9 It is a schematic diagram of positioning the wire drawing clip B according to a specific embodiment of the present invention.

[0028] Fig.10 It is a schematic diagram of the installation of the drawing clip A and the baffle guide rail according to a specific embodiment of the present invention.

[0029] Fig.11 This is a schematic diagram of the coordination between the baffle guide rail and the mask guide rail according to a specific embodiment of the present invention.

[0030] Fig.12 It is a cross-sectional schematic diagram of a reset assembly according to a specific embodiment of the present invention.

[0031] Fig.13 It is a schematic diagram of the arrangement position of the wire drawing end B according to a specific embodiment of the present invention.

[0032] In the accompanying drawings: 1. movable baffle, 2. front mask, 21. mounting boss, 3. baffle guide rail, 31. baffle guide rail mounting plate, 4. mask guide rail, 41. mask guide rail mounting plate, 5. reset assembly, 51. telescopic cylinder, 52. telescopic rod, 53. reset spring, 6. wire drawing assembly, 61. wire drawing end A, 62. wire drawing clip A, 63. wire drawing clip B, 64. wire drawing end B, 65. steel wire, 66. outer sleeve, 67. locking nut, 7. baffle wire drawing fixing block, 71. first notch, 72. fixing hole, 73. second notch, 8. mask wire drawing fixing block, 81. third notch, 82. first positioning notch, 83. mask wire drawing fixing block mounting plate, 9. frame wire drawing fixing plate, 91. second positioning notch, 10. cab suspension flip arm, 11. frame, 12. front bumper. DETAILED DESCRIPTION

[0033] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in this specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0034] like Figure 1-12 As shown, the present invention discloses a front mask baffle structure, comprising: The movable baffle 1 is arranged at the lower side of the front cover 2, that is, located at the gap between the upper side of the front bumper 12 and the lower side of the front cover 2; The wire drawing assembly 6 comprises an outer sleeve 66 and a steel wire 65 slidably inserted into the outer sleeve 66. The two ends of the outer sleeve 66 are respectively connected and installed with a wire drawing clip A62 and a wire drawing clip B63; The mask wire drawing fixing block 8 is positioned and installed in the middle of the rear side of the front mask 2, and the wire drawing clip A62 is positioned and installed; The baffle guide rail 3 is positioned and installed on the upper side of the middle of the movable baffle 1. A baffle wire drawing fixing block 7 connected to one end of a steel wire 65 is connected and installed on the baffle guide rail 3. The other end of the steel wire 65 is provided with a wire drawing end B64 connected to the cab suspension flip arm 10; The mask guide rail 4 is vertically positioned and installed on the rear side of the front mask 2 and is located on the lower side of the mask wire drawing fixing block 8, and cooperates with the baffle guide rail 3 for vertical sliding guidance; The frame wire drawing fixing plate 9 is positioned and installed on the upper side of the frame 11 (the front end of one side longitudinal beam), and the wire drawing clip B63 is positioned and installed; The reset assembly 5 is connected and installed between the front cover 2 and the movable baffle 1 , and can exert an elastic downward thrust on the movable baffle 1 .

[0035] When the cab is flipped, the cab suspension flip arm 10 on the front suspension of the cab will pull one end of the steel wire 65, thereby pulling the baffle wire drawing fixing block 7 on the baffle guide rail 3 through the steel wire 65, so that the baffle guide rail 3 slides vertically upward along the mask guide rail 4, thereby driving the movable baffle 1 to overcome the elastic thrust of the reset component 5 and move upward, thereby effectively avoiding the extrusion and interference of the movable baffle 1 with other components (front bumper 12, internal wiring harness, pipelines, etc.), and effectively extending the service life of the movable baffle 1; when the cab returns to its position, the cab suspension flip arm 10 on the front suspension of the cab will release the pulling force on the steel wire 65, and the movable baffle 1 moves downward under the downward elastic thrust of the reset component 5, thereby blocking the gap between the front mask 2 and the front bumper 12, effectively improving the aesthetics and consistency of the front part of the cab, increasing the layout space of the wiring harness and pipelines in this area, and reducing wind resistance. The overall structure is simple, easy to implement, and has good practicality. The front suspension of the cab is flipped to provide power, which saves the arrangement of the motor and the controller, realizes the linkage action of the movable baffle 1, and can effectively reduce the cost and development cycle.

[0036] like Figure 1-2 As shown, the reset assembly 5 includes a telescopic cylinder 51 arranged vertically and a telescopic rod 52 slidably inserted in the telescopic cylinder 51, and a reset spring 53 capable of elastically supporting the telescopic rod 52 outward is arranged in the telescopic cylinder 51; the telescopic cylinder 51 and the telescopic rod 52 are respectively connected and installed with the front cover 2 and the movable baffle 1. The reset assembly 5 provides a stable and reliable elastic force through the reset spring 53, which is lower in cost and easier to implement than a gas spring.

[0037] Furthermore, in order to ensure the balance of resetting the movable baffle 1, two resetting components 5 are symmetrically arranged on the left and right.

[0038] Among them, Figure 8 , 10 As shown, the wire drawing clip A62 is provided with a positioning ring, the mask wire drawing fixing block 8 is provided with a third vertical notch 81 opening backward, and the lower part of the third notch 81 is provided with a first positioning notch 82 for positioning the positioning ring. The wire drawing clip A62 is clamped by the third vertical notch 81, and the positioning ring on the wire drawing clip A62 is positioned and engaged by the first positioning notch 82, so that the wire drawing clip A62 can be conveniently disassembled and reliably positioned, ensuring the convenience of disassembly and maintenance and the reliability of use.

[0039] Further, such as Figure 4 , 10As shown, the left and right sides of the mask wire drawing fixing block 8 are connected with a mask wire drawing fixing block mounting plate 83 which is positioned and connected with the front mask 2. That is, the front mask 2 is provided with a mounting boss 21, and the mounting boss 21 adopts a spring nut, and the mounting boss 21 screw passes through the mask wire drawing fixing block mounting plate 83 and is connected to the mounting boss 21, which can realize the convenience and reliability of positioning and installing the mask wire drawing fixing block 8.

[0040] like Figure 5 , 8 As shown in 10, one end of the steel wire 65 close to the baffle wire drawing fixing block 7 is vertically connected to the wire drawing end A61; the baffle wire drawing fixing block 7 is provided with a left-right fixing hole 72 for positioning and clamping the wire drawing end A61; a first vertical notch 71 opening backward is provided in the middle of the baffle wire drawing fixing block 7, and a left-right second notch 73 connected to the fixing hole 72 is provided on one side of the first notch 71. Through the cooperation of the second notch 73, the first notch 71 and the fixing hole 72, the wire drawing end A61 can be conveniently disassembled and reliably positioned and installed, ensuring the convenience of disassembly, assembly and maintenance and the reliability of use. When disassembling the wire drawing end A61, the first notch 71 and the second notch 73 are used to pass the steel wire 65.

[0041] Among them, Figure 4 , 5 As shown in 10 and 11, the baffle guide rail 3 and the mask guide rail 4 are both sheet metal bending structures; a sliding protrusion is formed on the front side of the baffle guide rail 3, and a sliding groove opening backwards for guiding the sliding protrusion is formed on the mask guide rail 4. The mask guide rail 4 can guide the vertical sliding of the baffle guide rail 3. The baffle guide rail 3 and the mask guide rail 4 are sheet metal structures, which are easy to form and easy to implement.

[0042] like Fig.10 , 11 As shown, the two ends of the baffle rail 3 are folded to provide baffle rail mounting plates 31 for positioning and connecting with the movable baffle 1; the two sides of the mask rail 4 are provided with a pair of mask rail mounting plates 41 for positioning and connecting with the front mask 2. The upper edge of the middle part of the movable baffle 1 is provided with a baffle mounting notch that fits with the baffle rail 3, which plays a role in installation and positioning. The two baffle rail mounting plates 31 fit with the rear side of the movable baffle 1 and are connected and installed by embedded bolts. The rear side of the front mask 2 is provided with embedded bolts that penetrate and connect with the mask rail mounting plate 41; the baffle rail 3 and the mask rail 4 have simple structures, are easy to form, and are convenient to install.

[0043] like Figure 5 , 7As shown in Figures 9 and 10, the frame wire drawing fixing plate 9 is provided with a second positioning notch 91 for positioning and clamping the wire drawing clip B63; the end (upper end) of the wire drawing clip B63 away from the wire drawing clip A62 is provided with a positioning boss, and the wire drawing clip B63 is screwed with a locking nut 67 that can press and fix the frame wire drawing fixing plate 9. The second positioning notch 91 is engaged with the wire drawing clip B63, and the positioning boss is located on the upper side of the second positioning notch 91. The wire drawing clip B63 and the frame wire drawing fixing plate 9 are reliably and conveniently fixed and installed through the locking nut 67.

[0044] like Fig.13 As shown, the present invention also discloses a method for arranging a wire drawing end B based on the front mask baffle structure, comprising the following steps: S1. Calculate the rotation radius R ; Wherein, L is the rising height of the movable baffle 1, and A is the flip angle of the front suspension; S2. The front suspension flip central axis is taken as the rotation center, R is the rotation radius, and a cylindrical surface is obtained after one rotation. The cylindrical surface intersects with the outer surface of the cab suspension flip arm 10 to obtain an intersection line.

[0045] S3: The wire drawing end B64 has an L-shaped bending structure, and the center of its end is arranged on the intersection line (positioned and installed with the cab suspension flip arm 10), and ensures that it is perpendicular to the cab suspension flip arm 10 (in the initial state, the steel wire 65 is upright near one end of the cab suspension flip arm 10, and the cab suspension flip arm 10 is horizontally arranged).

[0046] The convenient and accurate arrangement of the position of the wire drawing end B64 can be achieved, the accuracy and stability of the movement of the movable baffle 1 can be ensured, and interference between the movable baffle 1 and other components can be avoided.

[0047] According to the arrangement method of the front mask baffle structure and the wire drawing end B, when the cab is flipped, the cab suspension flip arm 10 on the front suspension of the cab will pull one end of the steel wire 65, thereby pulling the baffle wire drawing fixing block 7 on the baffle guide rail 3 through the steel wire 65, so that the baffle guide rail 3 slides vertically upward along the mask guide rail 4, thereby driving the movable baffle 1 to overcome the elastic thrust of the reset component 5 and move upward, thereby effectively avoiding the extrusion and interference of the movable baffle 1 with other components (front bumper 12, internal wiring harness, pipelines, etc.), and effectively extending the service life of the movable baffle 1; when the cab returns to its original position, the cab suspension flip arm 10 on the front suspension of the cab will release the pulling force on the steel wire 65, and the movable baffle 1 moves downward under the downward elastic thrust of the reset component 5, thereby blocking the gap between the front mask 2 and the front bumper 12, effectively improving the aesthetics and consistency of the front part of the cab, increasing the layout space of the wiring harness and pipelines in this area, and reducing wind resistance. The overall structure is simple, easy to implement, and has good practicality. The front suspension of the cab is flipped to provide power, which saves the arrangement of the motor and the controller, realizes the linkage action of the movable baffle 1, and can effectively reduce the cost and development cycle.

[0048] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.

[0049] The terms "upper", "lower", "outer side", "inner side", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish the relative relationship in position if they exist, and do not need to be qualitative. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0050] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A front mask baffle structure, characterized in that: include: A movable baffle (1) is arranged on the lower side of the front cover (2); A wire drawing assembly (6) comprises an outer sleeve (66) and a steel wire (65) slidably inserted into the outer sleeve (66), wherein two ends of the outer sleeve (66) are respectively connected and installed with a wire drawing clip A (62) and a wire drawing clip B (63); A mask wire drawing fixing block (8) is installed on the front mask (2) and is positioned and installed on the wire drawing clip A (62); The baffle guide rail (3) is mounted on the movable baffle (1), and is connected to a baffle wire drawing fixing block (7) connected to one end of a steel wire (65). The other end of the steel wire (65) is provided with a wire drawing end B (64) connected to a cab suspension flip arm (10); The mask guide rail (4) is mounted on the front mask (2) and is located at the lower side of the mask wire drawing fixing block (8) and cooperates with the baffle guide rail (3) for sliding guidance; A frame wire drawing fixing plate (9) is positioned and installed on the frame (11) and is positioned and installed on the wire drawing clip B (63); The reset assembly (5) is connected and installed between the front cover (2) and the movable baffle (1), and is capable of exerting an elastic downward thrust on the movable baffle (1).

2. The front mask baffle structure according to claim 1, characterized in that: A positioning ring is provided on the wire drawing clip A (62), a third vertical notch (81) opening backward is provided on the mask wire drawing fixing block (8), and a first positioning notch (82) for positioning and engaging with the positioning ring is provided at the lower part of the third notch (81).

3. The front mask baffle structure according to claim 1, characterized in that: The mask wire drawing fixing block (8) is connected to both sides with mask wire drawing fixing block mounting plates (83) which are positioned, connected and mounted with the front mask (2).

4. The front mask baffle structure according to claim 1, characterized in that: One end of the steel wire (65) close to the baffle wire drawing fixing block (7) is vertically connected to a wire drawing end A (61); a fixing hole (72) capable of positioning and clamping the wire drawing end A (61) is provided on the baffle wire drawing fixing block (7); a first notch (71) opening backwards is also provided on the baffle wire drawing fixing block (7); a second notch (73) communicating with the fixing hole (72) is provided on one side of the first notch (71).

5. The front mask baffle structure according to claim 1, characterized in that: The baffle guide rail (3) and the mask guide rail (4) are both sheet metal bending structures; a sliding protrusion is formed on the front side of the baffle guide rail (3), and a sliding groove for guiding the sliding protrusion is formed on the mask guide rail (4).

6. The front mask baffle structure according to claim 5, characterized in that: Both ends of the baffle rail (3) are folded to provide baffle rail mounting plates (31) which are connected and installed in a positioning manner with the movable baffle (1); and both sides of the mask rail (4) are provided with a pair of mask rail mounting plates (41) which are connected and installed in a positioning manner with the front mask (2).

7. The front mask baffle structure according to claim 1, characterized in that: The frame wire drawing fixing plate (9) is provided with a second positioning notch (91) for positioning and clamping the wire drawing clip B (63); a positioning boss is provided at one end of the wire drawing clip B (63) away from the wire drawing clip A (62); and a locking nut (67) is screwed onto the wire drawing clip B (63) and can be press-fitted and fixed to the frame wire drawing fixing plate (9).

8. The front mask baffle structure according to claim 1, characterized in that: The reset assembly (5) comprises a telescopic cylinder (51) and a telescopic rod (52) slidably inserted into the telescopic cylinder (51); a reset spring (53) capable of elastically supporting the telescopic rod (52) outward is provided in the telescopic cylinder (51); the telescopic cylinder (51) and the telescopic rod (52) are connected and installed to the front cover (2) and the movable baffle (1) respectively.

9. The front mask baffle structure according to claim 8, characterized in that: Two reset components (5) are symmetrically arranged on the left and right.

10. A method for arranging a wire drawing end B of a front mask baffle structure according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Calculate the rotation radius R ; Wherein, L is the height of the movable baffle (1) and A is the tilting angle of the front suspension; S2, taking the front suspension tilting central axis as the rotation center, R as the rotation radius, and rotating one circle to obtain a cylindrical surface, which intersects with the outer surface of the cab suspension tilting arm (10) to obtain an intersection line; S3: The center of the wire drawing end B (64) is arranged on the intersection line and ensured to be perpendicular to the cab suspension flip arm (10).

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