Turnover arm support structure

Abstract

The utility model relates to the technical field of fire fighting truck components, and discloses a turnover arm support structure which comprises an arm head remanufacturing assembly, an arm head reinforcing plate is arranged at the right end of the arm head remanufacturing assembly, a working cavity is formed in the arm head remanufacturing assembly, a telescopic oil cylinder is arranged in the working cavity, and the telescopic oil cylinder is connected with the arm head reinforcing plate. A cylinder body part of the telescopic oil cylinder is rotationally connected with the inner side of the arm head reinforcing plate, the output end of the telescopic oil cylinder is rotationally connected with a first connecting rod and a second connecting rod through connecting shafts, the upper end of the first connecting rod is rotationally connected with an arm head remanufacturing assembly, and the left end of the arm head remanufacturing assembly is rotationally connected with a lamp holder rotating shaft fixing vertical plate. According to the LED lamp, through the arrangement of the telescopic oil cylinder, the first connecting rod, the second connecting rod and the lamp holder framework assembly, the lamp body can be driven to turn over within the range of 0-180 degrees, the turning angle is large, the illumination range is wide, operation is convenient, and design is practical.

Description

Technical Field

[0001] The utility model relates to the technical field of fire truck components, in particular to a flip arm structure. Background Art

[0002] In modern conventional hydraulic arm-type lighting fire trucks, the lighting lamps are installed on lamp stands, some of which are fixed and some are flip-up, but the flip angle is small, generally flipping within the range of 0-90°. At this time, a large-angle flip structure is required to meet the angle adjustment requirements for night lighting. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a flip arm structure is proposed. Through the arranged telescopic cylinder, connecting rod one, connecting rod two, and lamp frame assembly, the lamp body can be driven to flip within the range of 0-180°. The flip angle is large, the lighting range is wide, the operation is convenient, and the design is practical.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flip arm structure, including an arm head reforming assembly, the right end of the arm head reforming assembly has an arm head reinforcement plate, the arm head reforming assembly has a working chamber inside, a telescopic oil cylinder is arranged in the working chamber, the cylinder body of the telescopic oil cylinder is rotatably connected to the inner side of the arm head reinforcement plate, the output end of the telescopic oil cylinder is rotatably connected to the connecting rod 1 and the connecting rod 2 through a connecting shaft, the upper end of the connecting rod 1 is rotatably connected to the arm head reforming assembly, the left end of the arm head reforming assembly is rotatably connected to a lamp stand rotating shaft fixing vertical plate, the left end of the connecting rod 2 is rotatably connected to the lamp stand rotating shaft fixing vertical plate, the lower end of the lamp stand rotating shaft fixing vertical plate is fixedly connected to a lamp stand frame assembly, and a plurality of lamp bodies are installed on the lamp stand frame assembly. By setting the telescopic oil cylinder, the connecting rod 1, the connecting rod 2, and the lamp stand frame assembly, the lamp body can be driven to flip within the range of 0-180°, with a large flip angle, a wide lighting range, convenient operation, and practical design.

[0005] Furthermore, the arm head reinforcement plate is welded and fixed to the external arm frame.

[0006] Furthermore, a graphene copper sleeve for lubrication is provided at the connection between the output end of the telescopic oil cylinder and the connecting rod 1 and the connecting rod 2.

[0007] Furthermore, the second connecting rod is located below the first connecting rod, and the lamp stand shaft fixing vertical plate is located on the left side of the second connecting rod.

[0008] Furthermore, the second connecting rod is bent, and the first connecting rod is a straight rod.

[0009] Furthermore, the lamp frame skeleton assembly is composed of two front and rear frames, and the two frames are welded together through a plate.

[0010] Furthermore, the lamp holder skeleton assembly has gaps for accommodating lamp bodies, and there are two lamp bodies in each of the gaps.

[0011] Furthermore, a clearance opening is provided at the right portion of the lamp stand frame assembly, and the arm head reinforcement plate is adapted to the clearance opening.

[0012] The utility model has the following beneficial effects:

[0013] The utility model proposes a flip arm structure, which can drive the lamp body to flip within the range of 0-180 degrees through the arranged telescopic oil cylinder, connecting rod one, connecting rod two, and lamp frame assembly. The flip angle is large, the lighting range is wide, the operation is convenient and the design is practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model in an open state;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model in the contracted state;

[0016] Figure 3 It is a side view of the utility model;

[0017] Figure 4 It is a top view of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the utility model.

[0019] Legend:

[0020] 1. Arm reforming assembly; 2. Telescopic cylinder; 3. Connecting rod 1; 4. Connecting shaft; 5. Connecting rod 2; 6. Lamp stand frame assembly; 7. Lamp body; 8. Lamp stand shaft fixing vertical plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figures 1 - 5, An embodiment provided by the present utility model: A flipping boom structure includes a boom head modification assembly 1. The right end of the boom head modification assembly 1 has a boom head reinforcement plate, which is welded and fixed to the peripheral boom. The interior of the boom head modification assembly 1 has a working cavity, and a telescopic oil cylinder 2 is arranged in the working cavity. The cylinder part of the telescopic oil cylinder 2 is rotatably connected to the inner side of the boom head reinforcement plate. The output end of the telescopic oil cylinder 2 is rotatably connected to a first connecting rod 3 and a second connecting rod 5 through a connecting shaft 4. The second connecting rod 5 is located below the first connecting rod 3. A lamp holder rotating shaft fixed plate 8 is located on the left side of the second connecting rod 5. The second connecting rod 5 is bent, and the first connecting rod 3 is a straight rod. A graphene copper sleeve for lubrication use is arranged at the connection of the output end of the telescopic oil cylinder 2 with the first connecting rod 3 and the second connecting rod 5. The upper end of the first connecting rod 3 is rotatably connected to the boom head modification assembly 1. The left end of the boom head modification assembly 1 is rotatably connected to a lamp holder rotating shaft fixed plate 8. The left side end of the second connecting rod 5 is rotatably connected to the lamp holder rotating shaft fixed plate 8. The lower end of the lamp holder rotating shaft fixed plate 8 is fixedly connected to a lamp holder skeleton assembly 6. The lamp holder skeleton assembly 6 is composed of two front and rear frames, and the two frames are welded together by plates. Such a lamp holder skeleton assembly 6 is evenly distributed to ensure the stability of the lamp body 7. There is a gap for accommodating the lamp body 7 on the lamp holder skeleton assembly 6, and the number of lamp bodies 7 in each gap is two. A relief opening is arranged on the right part of the lamp holder skeleton assembly 6, and the boom head reinforcement plate is adapted to the relief opening. The boom head reinforcement plate can ensure the stability of the lamp holder skeleton assembly 6. Multiple lamp bodies 7 are installed on the lamp holder skeleton assembly 6.

[0023] During use, the telescopic oil cylinder 2 is controlled by an external controller to extend, thereby driving the first connecting rod 3, the second connecting rod 5, the lamp holder rotating shaft fixed plate 8, and the lamp holder skeleton assembly 6 to move, so that the lamp body 7 changes from Figure 2 the contracted state to Figure 1 the opened state shown in the figure. The lamp body 7 can be flipped within the range of 0 - 180°, with a large flipping angle, a wide lighting range, convenient operation, and practical design.

[0024] By arranging the telescopic oil cylinder 2, the first connecting rod 3, the second connecting rod 5, and the lamp holder skeleton assembly 6, the lamp body 7 can be driven to flip within the range of 0 - 180°, with a large flipping angle, a wide lighting range, convenient operation, and practical design.

[0025] Working principle: During use, the telescopic oil cylinder 2 is controlled by an external controller to extend, thereby driving the first connecting rod 3, the second connecting rod 5, the lamp holder rotating shaft fixed plate 8, and the lamp holder skeleton assembly 6 to move, so that the lamp body 7 changes from Figure 2 the contracted state to Figure 1 the opened state shown in the figure. The lamp body 7 can be flipped within the range of 0 - 180°, with a large flipping angle, a wide lighting range, convenient operation, and practical design.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A flip arm structure, characterized in that: The invention comprises an arm head modified assembly (1), wherein the right end of the arm head modified assembly (1) is provided with an arm head reinforcement plate, the interior of the arm head modified assembly (1) is provided with a working chamber, a telescopic oil cylinder (2) is arranged in the working chamber, the cylinder body of the telescopic oil cylinder (2) is rotatably connected to the inner side of the arm head reinforcement plate, the output end of the telescopic oil cylinder (2) is rotatably connected to a connecting rod 1 (3) and a connecting rod 2 (5) via a connecting shaft (4), the upper end of the connecting rod 1 (3) is rotatably connected to the arm head modified assembly (1), the left end of the arm head modified assembly (1) is rotatably connected to a lamp stand rotating shaft fixing vertical plate (8), the left end of the connecting rod 2 (5) is rotatably connected to the lamp stand rotating shaft fixing vertical plate (8), the lower end of the lamp stand rotating shaft fixing vertical plate (8) is fixedly connected to a lamp stand frame assembly (6), and a plurality of lamp bodies (7) are mounted on the lamp stand frame assembly (6).

2. The flip arm structure according to claim 1, characterized in that: The arm head reinforcement plate is welded and fixed to the external arm frame.

3. The flip arm structure according to claim 1, characterized in that: A graphene copper sleeve for lubrication is provided at the connection between the output end of the telescopic oil cylinder (2) and the first connecting rod (3) and the second connecting rod (5).

4. The flip arm structure according to claim 1, characterized in that: The second connecting rod (5) is located below the first connecting rod (3), and the lamp stand rotating shaft fixing vertical plate (8) is located on the left side of the second connecting rod (5).

5. The flip arm structure according to claim 1, characterized in that: The second connecting rod (5) is a curved rod, and the first connecting rod (3) is a straight rod.

6. The flip arm structure according to claim 1, characterized in that: The lamp frame skeleton assembly (6) is composed of two front and rear frames, and the two frames are welded together via a plate.

7. The flip arm structure according to claim 1, characterized in that: The lamp frame skeleton assembly (6) has gaps for accommodating lamp bodies (7), and there are two lamp bodies (7) in each of the gaps.

8. The flip arm structure according to claim 1, characterized in that: The right part of the lamp frame frame assembly (6) is provided with a clearance opening, and the arm head reinforcement plate is adapted to the clearance opening.

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