A special chassis frame for snow removal vehicle

Abstract

The present invention relates to a "J"-shaped chassis frame specially used for snowplows. The chassis frame of the present invention is a special chassis frame for snowplows, and special hangers are designed at the front and middle parts. When snow removal equipment is installed on the whole vehicle at a later stage, the chassis does not need to be modified and can be directly installed. Secondly, the frame of the present invention is a "J"-shaped structure, and an enlarged installation space is provided in the middle part, which can more conveniently arrange a large roller sweeper and improve snow removal efficiency. Finally, the present invention adopts a highly symmetrical structure of left and right longitudinal beams, which can effectively reduce the manufacturing process cost and greatly improve the overall strength of the frame; the internal assembled crossbeam structure and multiple reinforced special plates improve the overall torsion and bending resistance of the frame.

Description

Technical Field

[0001] The invention relates to the technical fields of snowplows, automobile chassis frames and mechanical structures, and in particular to a special chassis frame for a large snowplow. Background Art

[0002] Snow removal in winter is an important task for transportation or air traffic control departments such as airports and highways, and even government departments. The aviation industry is an industry greatly affected by snowfall. Both civil aviation and military aviation require corresponding infrastructure to provide navigation support. Snowplows, as an important equipment for snow removal in winter, have become an important part of aviation infrastructure.

[0003] At present, airport snow removal vehicles are generally modified on ordinary commercial chassis or off-road chassis. The beam structure of ordinary chassis is mostly parallel beam structure, and its structure, height from the ground, and installation method limit the layout, installation and performance of snow removal equipment.

[0004] Therefore, a chassis frame for snow removal vehicles that has good stability and safety and can provide installation space for snow removal operations has become a technical problem that technicians in the field of snow removal need to solve. Summary of the invention

[0005] The purpose of the present invention is to provide a chassis frame for a large snowplow. For a snowplow specially used for an airport, the middle part of the frame is designed to be in a large "J" shape, which provides a larger space for installing an extra-large roller sweeper; at the same time, the strength problem of the longitudinal beam transition is taken into consideration, and a unique welding and riveting combined process is adopted. The crossbeam adopts a U-shaped bending beam, which is installed by bolt connection, thus solving the problem of frame space limitation when an ordinary commercial chassis is modified into a snowplow chassis.

[0006] To this end, the technical solution adopted by the present invention is: a "J"-shaped chassis frame specially used for snow removal vehicles, comprising a main beam welding frame (12) in the shape of "J", a front connecting frame (10) being arranged at one end of the main beam welding frame (12), a rear connecting frame (13) being arranged at the other end of the main beam welding frame (12), and an intermediate hanging frame (17) being arranged in the middle of the main beam welding frame (12);

[0007] The front connecting frame (10) comprises two parallel front connecting frame side plates (33), one side of the two front connecting frame side plates (33) is open, and the other side of the front connecting frame hanging plate (31) is provided, the installation space formed between the two front connecting frame side plates (33) and the front connecting frame hanging plate (31) is clamped on the main beam welding frame (12), and the front connecting frame (10) is fixed on the main beam welding frame (12) by a fixing member;

[0008] The rear connecting frame (13) comprises two rear connecting frame side plates (41) arranged in parallel, one side of the two rear connecting frame side plates (41) is open and the other side is provided with a sealing plate (43), the installation space formed between the two rear connecting frame side plates (41) and the sealing plate (43) is clamped on the main beam welding frame (12), and the rear connecting frame (13) is fixed to the main beam welding frame (12) by a fixing member;

[0009] The main beam welding frame (12) comprises a front left longitudinal beam (51) and a front right longitudinal beam (52) arranged in parallel, the front left longitudinal beam (51) and the front right longitudinal beam (52) being used for connecting to the front connecting frame (10), the main beam welding frame (12) further comprises a rear longitudinal beam (58) arranged in parallel, the rear longitudinal beam (58) being used for connecting to the rear connecting frame (13), the middle part of the main beam welding frame (12) comprises two upper cross beams (54) arranged in parallel, the upper cross beam (54) being provided with an intermediate rack welding piece (57), and the two sides of the intermediate rack welding piece (57) are respectively connected to intermediate connecting side plates (59).

[0010] Furthermore, the front connecting frame (10) comprises a reinforcing inclined plate (32) arranged on the outside of the front connecting frame side plate (33), and the reinforcing inclined plate (32) is arranged at the junction of the front connecting frame side plate (33) and the front connecting hanging plate (31); a side plate reinforcing plate (36) is arranged at the lower part of the inner side of the front connecting frame side plate (33), and reinforcing plates (35) are respectively arranged at the upper and lower parts of the inner side of the front connecting hanging plate (31), and a hanging frame limiting plate (34) is arranged between the front connecting hanging plate (31) and the reinforcing plate (35).

[0011] Furthermore, the rear connecting frame (13) further comprises a box connecting pipe (42) and a box turning shaft (44) arranged between the two rear connecting frame side plates (41), wherein the box connecting pipe (42) is located on the inner side of the sealing plate (43), and the box turning shaft (44) is located on the outer side of the sealing plate (43).

[0012] Furthermore, the main beam welding frame (12) further comprises a plurality of upper longitudinal beams (55) arranged in parallel between the two upper cross beams (54).

[0013] Furthermore, an intermediate beam reinforcement plate (56) is provided on the outer side of the upper cross beam (54), a vertical pipe (51) is provided between the intermediate beam reinforcement plate (56) and the intermediate connecting side plate (59), and a reinforcement vertical plate (60) is provided at the junction of the vertical pipe (51) and the intermediate connecting side plate (59).

[0014] Furthermore, a left cab support frame (11) and a right cab support frame (14) are provided on the main beam welding frame (12).

[0015] Furthermore, the main beam welding frame (12) is respectively provided with a front cross beam connecting block (15), a front cross beam (16), an intermediate hanging frame (17) and a rear cross beam (18).

[0016] The advantages of the present invention are as follows: compared with the traditional commercial chassis, firstly, the chassis frame of the present invention is a special chassis frame for snowplows, and special hangers are designed at the front and middle parts. When the snow removal equipment is installed on the whole vehicle at a later stage, the chassis does not need to be modified and can be directly installed. Secondly, the frame of the present invention is a "J"-shaped structure, and the middle part provides an enlarged installation space, which can more conveniently provide the layout of a large roller sweeper and improve snow removal efficiency. Finally, the present invention adopts a highly symmetrical structure of left and right longitudinal beams, which can effectively reduce the manufacturing process cost and greatly improve the overall strength of the frame; the internal assembled crossbeam structure and multiple reinforced special plates improve the overall torsion and bending resistance of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the chassis frame of the present invention.

[0018] Figure 2 for Figure 1 Top view of the .

[0019] Figure 3 for Figure 1 Schematic diagram of the front bracket structure.

[0020] Figure 4 for Figure 1 Schematic diagram of the center-rear connecting frame structure.

[0021] Figure 5 for Figure 1 Schematic diagram of the structure of the central main beam welded parts.

[0022] Figure 6 for Figure 5 Enlarged view of part A in .

[0023] Component numbers in the figure are as follows: front bracket 10, cab left support frame 11, main beam weldment 12, rear connecting frame 13, cab right support frame 14, front cross beam connection block 15, front cross beam 16, middle bracket 17, rear cross beam 18, rear cross beam connection block 19, front connecting bracket plate 31, reinforcing inclined plate 32, front bracket side plate 33, bracket limit plate 34, reinforcing plate 35, side plate reinforcing plate 36, rear connecting side plate 41, box connecting pipe 42, sealing plate 43, box turning shaft 44, front left longitudinal beam 51, front right longitudinal beam 52, lifting plate 53, upper longitudinal beam 54, upper cross beam 55, middle beam reinforcing plate 56, middle bracket weldment 57, rear longitudinal beam 58, middle connecting side plate 59, reinforcing vertical plate 60, vertical pipe 61, end face sealing plate 62, frame centerline a. DETAILED DESCRIPTION

[0024] In order to achieve the above-mentioned purpose, the chassis frame designed by the present invention for snowplows includes a front left longitudinal beam, a front right longitudinal beam, a rear left longitudinal beam, a rear right longitudinal beam, a middle transition connecting "J"-shaped beam, a front snowplow special mounting frame, a middle snowplow special mounting frame, a rear bracket, and a plurality of middle crossbeam assemblies. The width direction interfaces of the front longitudinal beam, the rear longitudinal beam, and the middle crossbeam are all groove-shaped; the width direction of the middle transition connecting "J"-shaped beam is rectangular; the length direction cross-sections of the front left longitudinal beam, the front right longitudinal beam, the rear left longitudinal beam, the rear right longitudinal beam, the middle crossbeam, and the middle transition connecting "J"-shaped beam are all linear. The front left longitudinal beam and the front right longitudinal beam are parallel to each other and are symmetrical with the frame center line as the axis of symmetry; the rear left longitudinal beam and the rear right longitudinal beam are parallel to each other and are symmetrical with the frame center line as the axis of symmetry; the middle left longitudinal beam and the middle right longitudinal beam are parallel to each other and are symmetrical with the frame center line as the axis of symmetry; and the multiple cross beam assemblies are arranged symmetrically front to back with the mid-perpendicular line of the frame center line as the axis of symmetry.

[0025] As a preferred solution, each front crossbeam assembly includes left and right frame connecting plates and an intermediate crossbeam, and both the intermediate crossbeam and the connecting plate are groove-shaped. The installation directions of the two grooves are different, and the intermediate crossbeam is installed on the inner side of the groove of the connecting plate and fixedly connected by bolts; the connecting plate is bolted to the frame.

[0026] As a preferred solution, each rear crossbeam assembly consists of left and right frame connecting plates and a middle crossbeam. The connecting plates are special-shaped bending parts, and the middle crossbeam is grooved. The installation directions of the two grooves are different. The middle crossbeam is installed on the inner side of the connecting plate groove and fixedly connected by bolts; the connecting plate is bolted to the frame.

[0027] As a preferred solution, the middle frame is a welded part, the main body of which is composed of rectangular steel pipes, the vertical pipe and the horizontal frame are at a certain angle, and the middle crossbeam is also connected by rectangular pipe welding.

[0028] As a preferred solution, the middle frame and the lower front and rear frame sections are also welded. To ensure the connection strength, connecting plates are added to the sides, and mounting holes are reserved on the connecting plates. These mounting holes are connected to the frame mounting surfaces by riveting.

[0029] As a preferred solution, the middle frame is designed with reinforced connecting plates at the end faces and joints. There are lifting holes on the middle frame end face reinforcement plates to facilitate the lifting and installation of the entire frame.

[0030] As a preferred solution, a special bracket for special snow removal equipment is designed at the front end of the frame. This bracket adopts a wedge connection at the top and four fixing holes at the bottom.

[0031] As a preferred solution, a special bracket for special snow removal equipment is designed in the middle of the frame. This bracket adopts a wedge connection at the top and four fixing holes at the bottom.

[0032] As a preferred option, a tail crossbeam is designed at the rear of the frame, which is welded with a fixing plate and a steel pipe; it is used to fix the tow hook and the box.

[0033] In order to deepen the understanding of the present invention, the present invention is further described in detail below in conjunction with specific implementations. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0034] Figure 1 , Figure 2 They are structural diagrams of the vehicle frame. The vehicle frame is generally divided into five major assemblies, namely the front mounting assembly 10, the cab support frame 11 (14), the front cross beam 16, the rear cross beam 18, the middle mounting assembly 17, the tail connecting frame and the main beam welded parts.

[0035] Figure 3 It is a front connection bracket. It is mainly used to install snow removal equipment on the front side of the chassis. It is connected through the "V" groove on the upper side of the bracket and the fixing bolts on the lower side. Compared with the traditional chassis, it needs to be modified or installed on the beam, which is easy to damage the frame and affect the safety of the whole vehicle. The brackets are welded with high-strength and high-cold-resistant steel plates. The assembly is connected to the main frame through special chassis bolts.

[0036] Figure 4 It is the rear connecting frame, which is mainly used for the tail connection. On the one hand, it plays the role of the tail crossbeam, and on the other hand, it provides the whole vehicle with a fixed upper box rotating bracket. The box connecting pipe 42 is used for the box's flip cylinder, and the box flip shaft 44 is used for the box's flip pin. The connecting frame is welded with high-strength and high-cold-resistant steel plates. The assembly is connected to the main frame through special chassis bolts.

[0037] Figure 5It is the main beam welded part, which is welded by the front left longitudinal beam 51, the front right longitudinal beam 52, the lifting plate 53, the upper longitudinal beam 54, the upper cross beam 55, the middle beam reinforcement plate 56, the middle hanger welded part 57, the rear longitudinal beam 58, the middle connecting side plate 59, the reinforcement vertical plate 60, the vertical pipe 61, and the end face sealing plate 62 respectively; in order to ensure the connection strength, riveting or high-strength bolt connection can be used at the middle side plate. The front left longitudinal beam 51 and the front right longitudinal beam 52 are symmetrical channel steels on the left and right, and the vertical pipe 61, the upper longitudinal beam 54, and the upper cross beam 55 are all rectangular square pipes. The middle hanger welded part 57 is designed inside the "Ji" shape in the middle for connecting the installation of the middle machine. The "Ji" shape provides a large space for frame modification. It is more conducive to the installation and use of large snow removal machines.

Claims

1. A special chassis for snow removal vehicle with a "X" shape frame, characterized in that: It comprises a main beam welding frame (12) in the shape of a "J", a front connecting frame (10) being arranged at one end of the main beam welding frame (12), a rear connecting frame (13) being arranged at the other end of the main beam welding frame (12), and an intermediate hanging frame (17) being arranged in the middle of the main beam welding frame (12); The front connecting frame (10) comprises two parallel front connecting frame side plates (33), one side of the two front connecting frame side plates (33) is open, and the other side of the front connecting frame hanging plate (31) is provided, the installation space formed between the two front connecting frame side plates (33) and the front connecting frame hanging plate (31) is clamped on the main beam welding frame (12), and the front connecting frame (10) is fixed on the main beam welding frame (12) by a fixing member; The rear connecting frame (13) comprises two rear connecting frame side plates (41) arranged in parallel, one side of the two rear connecting frame side plates (41) is open and the other side is provided with a sealing plate (43), the installation space formed between the two rear connecting frame side plates (41) and the sealing plate (43) is clamped on the main beam welding frame (12), and the rear connecting frame (13) is fixed to the main beam welding frame (12) by a fixing member; The main beam welding frame (12) comprises a front left longitudinal beam (51) and a front right longitudinal beam (52) arranged in parallel, the front left longitudinal beam (51) and the front right longitudinal beam (52) being used to connect to the front connecting frame (10), the main beam welding frame (12) further comprises a rear longitudinal beam (58) arranged in parallel, the rear longitudinal beam (58) being used to connect to the rear connecting frame (13), the middle part of the main beam welding frame (12) comprises two upper cross beams (54) arranged in parallel, the upper cross beam (54) being provided with an intermediate rack welding piece (57), and the two sides of the intermediate rack welding piece (57) are respectively connected to intermediate connecting side plates (59); The front connecting frame (10) comprises a reinforcing inclined plate (32) arranged on the outside of the front connecting frame side plate (33), and the reinforcing inclined plate (32) is arranged at the junction of the front connecting frame side plate (33) and the front connecting frame hanging plate (31); a side plate reinforcing plate (36) is arranged at the lower part of the inner side of the front connecting frame side plate (33), reinforcing plates (35) are respectively arranged at the upper and lower parts of the inner side of the front connecting frame hanging plate (31), and a hanging frame limiting plate (34) is arranged between the front connecting frame hanging plate (31) and the reinforcing plate (35); The rear connecting frame (13) further comprises a box connecting pipe (42) and a box turning shaft (44) arranged between the two rear connecting frame side plates (41); the box connecting pipe (42) is located on the inner side of the sealing plate (43), and the box turning shaft (44) is located on the outer side of the sealing plate (43).

2. The "X"-shaped chassis frame for snow removal vehicles according to claim 1, characterized in that: The main beam welding frame (12) further comprises a plurality of upper longitudinal beams (55) arranged in parallel between the two upper cross beams (54).

3. The "X"-shaped chassis frame for snow removal vehicles according to claim 1, characterized in that: An intermediate beam reinforcement plate (56) is arranged outside the upper cross beam (54), a vertical pipe (61) is arranged between the intermediate beam reinforcement plate (56) and the intermediate connecting side plate (59), and a reinforcement vertical plate (60) is arranged at the junction of the vertical pipe (61) and the intermediate connecting side plate (59).

4. The "X"-shaped chassis frame for snow removal vehicles according to claim 1, characterized in that: The main beam welding frame (12) is provided with a left cab support frame (11) and a right cab support frame (14).

5. The "X"-shaped chassis frame for snow removal vehicles according to claim 1, characterized in that: The main beam welding frame (12) is respectively provided with a front cross beam connecting block (15), a front cross beam (16), an intermediate hanging frame (17) and a rear cross beam (18).

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