Adjustable pitching structure of snow removal rolling brush

Abstract

The utility model relates to the technical field of snow removers, in particular to an adjustable pitching structure of a snow removal rolling brush, which comprises the snow removal rolling brush, a bearing vehicle body and a connecting frame, the snow removal rolling brush is connected with the bearing vehicle body through the connecting frame, and the adjustable pitching structure is arranged between the snow removal rolling brush and the connecting frame. The pitching structure comprises a driving assembly used for rotating the snow removing rolling brush, a limiting assembly used for limiting the snow removing rolling brush and a connecting assembly. The connecting assembly is installed on the snow removal rolling brush, one end of the driving assembly and one end of the limiting assembly are also installed on the connecting assembly, and the other end of the driving assembly and the other end of the limiting assembly are installed on the connecting frame. Meanwhile, the limiting assembly can effectively limit the bending state, and the phenomenon that the brush piece is abraded in an accelerated mode due to the fact that the bending angle is too large during snow removal is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a snow removal vehicle technical field especially relates to a snow removal roller brush's adjustable pitch structure. BACKGROUND

[0002] With the economic and social development, winter rain and snow weather greatly influences people's travel convenience, when the snow is big, the airport and municipal environmental sanitation department adopt snow removal products to carry out snow removal work, and the traditional snow removal products adopt snow removal shovel and snow removal roller brush, and the snow removal roller will produce brush wear and tear in the working process, thereby reducing the ground contact width and reducing the snow removal efficiency, and the traditional snow removal roller brush is equipped with adjusting screw rod or pitch cylinder to adjust the snow roller ground contact width.

[0003] But the two kinds of adjustment modes of the traditional snow removal roller brush have problems: the adjusting screw rod structure is inconvenient to operate in the using process, and the adjusting screw rod is easy to rust in the environment and cause failure;

[0004] The pitch cylinder structure lacks a limiting device, and in the using process, the operator will adjust the ground contact width too large to accelerate the wear of the brush in order to improve the snow removal efficiency, and in addition, the snow removal roller brush mechanical connecting mechanism will be subjected to too large stress, causing equipment damage and even damage to the carrier. Therefore, it is necessary to develop a snow removal roller brush adjustable pitch structure. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a snow removal roller brush adjustable pitch structure.

[0006] The utility model provides a snow removal roller brush adjustable pitch structure, which comprises: a snow removal roller brush, a bearing vehicle body, a connecting frame for connecting the snow removal roller brush and the bearing vehicle body, an adjustable pitch structure provided between the snow removal roller brush and the connecting frame, a driving assembly for rotating the snow removal roller brush, a limiting assembly for limiting the snow removal roller brush, and a connecting assembly.

[0007] Preferably, the driving assembly is a hydraulic cylinder, the output end of the hydraulic cylinder is rotatably installed on the snow removal roller brush, a third connecting rod is arranged on the output end of the hydraulic cylinder, a third mounting hole is formed in the connecting frame, and the third connecting rod can pass through the third mounting hole and be rotatably connected.

[0008] Preferably, the limiting assembly comprises a pull rod assembly rotatably mounted on the snow removing roller brush, a rotating assembly rotatably mounted on the connecting frame, and a limiting piece rotatably mounted on the connecting frame, the pull rod assembly is a pull rod, the pull rod is provided with a first connecting rod near the snow removing roller brush, the connecting assembly is provided with a first mounting hole, and the first connecting rod can pass through the first mounting hole and be rotatably connected.

[0009] Preferably, the rotating assembly is a mounting pipe, the mounting pipe is provided with a second connecting rod, the connecting frame is provided with a second mounting hole, the second connecting rod can pass through the second mounting hole and be rotatably connected, the first connecting rod slides in the mounting pipe, the limiting piece comprises a limiting rod mounted on the connecting frame, the limiting rod passes through the mounting pipe and the pull rod, and the limiting rod slides in the pull rod, the pull rod is provided with a first limiting ring, and the limiting rod is provided with a second limiting ring.

[0010] Preferably, the connecting assembly comprises a mounting plate and a rib mounted on the mounting plate, and the driving assembly and the limiting assembly are connected with the rib.

[0011] Compared with the related art, the adjustable pitching structure of the snow removing roller brush has the following beneficial effects: through the design of the pitching structure, the hydraulic oil cylinder can effectively control the "pitching" and "pitching up" of the snow removing roller brush, and meanwhile, the limiting assembly can effectively limit the "pitching" state, so that the abrasion of the brush sheet is avoided due to the excessively large "pitching" angle during snow removal.

[0012] Meanwhile, the structure is simple and reliable, the safety of the snow removing roller brush during working or transferring is greatly improved, the production cost is reduced, and the adjustable pitching structure has certain practicality and popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a perspective view of the utility model;

[0014] Fig. 2 It is a sectional view of the limiting assembly of the utility model;

[0015] Fig. 3 It is an explosion schematic view of the limiting assembly of the utility model;

[0016] Fig. 4 It is an assembly drawing of the snow removing roller brush, the bearing vehicle body, the connecting frame and the pitching structure of the utility model.

[0017] Marked numbers in the drawing: 1, driving assembly; 2, limiting assembly; 3, connecting assembly; 4, snow removing roller brush; 5, connecting frame;

[0018] 2-1, pull rod; 2-2, mounting pipe; 2-3, limiting rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0020] The specific implementation of the utility model will be described in detail below in combination with specific examples.

[0021] Please refer to Figs. 1 to 4 The adjustable pitch structure of the snow removing roller brush provided by the utility model embodiment comprises: a snow removing roller brush 4, a bearing vehicle body, a connecting frame 5 which is used for connecting the snow removing roller brush 4 and the bearing vehicle body, and an adjustable pitch structure which is arranged between the snow removing roller brush 4 and the connecting frame 5. The pitch structure comprises a driving assembly 1 which is used for rotating the snow removing roller brush 4, a limiting assembly 2 which is used for limiting the snow removing roller brush 4, and a connecting assembly 3. The connecting assembly 3 is installed on the snow removing roller brush 4, one end of the driving assembly 1 and the limiting assembly 2 is also installed on the connecting assembly 3, and the other end of the driving assembly 1 and the limiting assembly 2 is installed on the connecting frame 5.

[0022] In this embodiment, the hydraulic cylinder can effectively control the pitch and the elevation of the snow removing roller brush 4 through the design of the pitch structure, and the limiting assembly 2 can effectively limit the pitch state, thereby avoiding the accelerated wear of the brush sheet due to the excessively large pitch angle during snow removal.

[0023] Meanwhile, the structure is simple and reliable, greatly improves the safety of the snow removing roller brush 4 during work or transfer, reduces the production cost, and has certain practical and popularization value.

[0024] The driving assembly 1 is a hydraulic cylinder, the output end of the hydraulic cylinder is rotatably installed on the snow removing roller brush 4, a third connecting rod is arranged on the output end of the hydraulic cylinder, a third mounting hole is formed in the connecting frame 5, and the third connecting rod can pass through the third mounting hole and be rotatably connected.

[0025] In this embodiment, the hydraulic cylinder can effectively control the pitch and the elevation of the snow removing roller brush 4 through the design of the hydraulic cylinder.

[0026] The limiting assembly 2 comprises a pull rod 2-1 assembly which is rotatably installed on the snow removing roller brush 4, a rotating assembly which is rotatably installed on the connecting frame 5, and a limiting piece which is rotatably installed on the connecting frame 5. The pull rod 2-1 assembly is a pull rod 2-1, a first connecting rod is arranged on the pull rod 2-1 close to the snow removing roller brush 4, a first mounting hole is formed in the connecting assembly 3, and the first connecting rod can pass through the first mounting hole and be rotatably connected.

[0027] The rotating assembly is a mounting pipe 2-2, a second connecting rod is arranged on the mounting pipe 2-2, a second mounting hole is arranged on the connecting frame 5, the second connecting rod can pass through the second mounting hole and be rotationally connected, the first connecting rod slides in the mounting pipe 2-2, and the limiting piece comprises a limiting rod 2-3 arranged on the connecting frame 5, the limiting rod 2-3 passes through the mounting pipe 2-2 and the pull rod 2-1, the limiting rod 2-3 slides in the pull rod 2-1, a first limiting ring is arranged on the pull rod 2-1, and a second limiting ring is arranged on the limiting rod 2-3.

[0028] In the embodiment, the stretching and retracting of the pull rod 2-1 assembly in the rotating assembly can be effectively controlled through the design of the limiting assembly 2, so that the function of “bending” of the hydraulic cylinder is limited, while the function of “leaning” is not limited, thereby guaranteeing the floating snow removing function of the snow removing roller brush 4 in the working snow removing process, specifically, when the function of “bending” is performed, the pull rod 2-1, the mounting pipe 2-2 and the limiting rod 2-3 can be effectively limited, when the function of “bending” of the hydraulic cylinder is maximized, the first limiting ring and the second limiting ring are in contact, so that the limiting assembly 2 becomes a straight rod and pulls the entire snow removing roller brush 4, so that the function of “bending” is limited, when the function of “leaning” is performed, the entire connecting frame 5 is lifted, so that the function of “leaning” is not affected.

[0029] The connecting assembly 3 comprises a mounting plate and a rib arranged on the mounting plate, and the driving assembly 1 and the limiting assembly 2 are connected with the rib.

[0030] In the embodiment, the connecting assembly 3 is centrally fixed on the snow removing roller brush 4, so that the snow removing roller brush 4 is balanced in the working process of the hydraulic cylinder, the rib has the effect of reinforcing ribs, and the driving assembly 1 and the limiting assembly 2 can be better installed.

[0031] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0032] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. An adjustable pitch structure for a snow-removal roller brush, comprising: Snow removing roller brush (4), bearing vehicle body, connecting frame (5) is used for connecting snow removing roller brush (4) and bearing vehicle body, characterized by, adjustable pitch structure is arranged between the snow removing roller brush (4) and the connecting frame (5); The pitch structure comprises a driving assembly (1) for rotating the snow removing roller brush (4), a limiting assembly (2) for limiting the snow removing roller brush (4), and a connecting assembly (3). The connecting assembly (3) is installed on the snow removing roller brush (4), one end of the driving assembly (1) and the limiting assembly (2) is also installed on the connecting assembly (3), and the other end of the driving assembly (1) and the limiting assembly (2) is installed on the connecting frame (5).

2. An adjustable pitch structure for a snow-removal roller brush as defined in claim 1, wherein, The driving assembly (1) is a hydraulic oil cylinder, and the output end of the hydraulic oil cylinder is rotatably installed on the snow removing roller brush (4).

3. An adjustable pitch structure for a snow-removal roller brush as defined in claim 1, wherein, The limiting assembly (2) comprises a pull rod (2-1) assembly rotatably installed on the snow removing roller brush (4), a rotating assembly rotatably installed on the connecting frame (5), and a limiting piece rotatably installed on the connecting frame (5).

4. An adjustable pitch structure for a snow-removal roller brush according to claim 3, wherein, The pull rod (2-1) assembly is a pull rod (2-1), a first connecting rod is arranged near the snow removing roller brush (4), a first mounting hole is formed in the connecting assembly (3), and the first connecting rod can pass through the first mounting hole and be rotatably connected.

5. An adjustable pitch structure for a snow-removal roller brush as defined in claim 4, wherein, The rotating assembly is a mounting pipe (2-2), a second connecting rod is arranged on the mounting pipe (2-2), a second mounting hole is formed in the connecting frame (5), the second connecting rod can pass through the second mounting hole and be rotatably connected, and the first connecting rod slides in the mounting pipe (2-2).

6. An adjustable pitch structure for a snow-removal roller brush as defined in claim 5, wherein, The limiting piece comprises a limiting rod (2-3) installed on the connecting frame (5), the limiting rod (2-3) passes through the mounting pipe (2-2) and the pull rod (2-1), and the limiting rod (2-3) slides in the pull rod (2-1).

7. An adjustable pitch structure for a snow-removal roller brush as defined in claim 6, wherein, A first limiting ring is arranged on the pull rod (2-1), and a second limiting ring is arranged on the limiting rod (2-3).

8. An adjustable pitch structure for a snow-removal roller brush according to claim 2, wherein, A third connecting rod is arranged on the output end of the hydraulic oil cylinder, a third mounting hole is formed in the connecting frame (5), and the third connecting rod can pass through the third mounting hole and be rotatably connected.

9. An adjustable pitch structure for a snow-removal roller brush according to any one of claims 1-8, wherein, The connecting assembly (3) comprises a mounting plate and a rib strip mounted on the mounting plate, and the driving assembly (1) and the limiting assembly (2) are connected with the rib strip.

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