CN205737761U - Mechanical wheel quarry tipper anti-roll cab framework structure - Google Patents

Abstract

The utility model discloses a skeleton structure of an anti-rollover cab of a mine dump truck with a mechanical wheel. The front ring beam structure, the middle ring beam structure, the rear ring beam structure, the bottom ring beam structure and the top ring beam structure form a trapezoidal cage-like skeleton structure; A slanted side frame; the bottom ring beam structure and the top ring beam structure form the bottom and top skeletons of the trapezoid respectively; the middle ring beam structure is located between the front ring beam structure and the rear ring beam structure, and is used to connect the bottom ring beam structure and top ring beam structure. This structure greatly improves the rigidity of the skeleton, which can well prevent fatal injuries to drivers and passengers caused by the fracture or excessive deformation of the skeleton steel beams intruding into the DLV area during the accidental rollover of the vehicle. The anti-rollover cab structure involved in the utility model can better improve the strength and rigidity of the cab, better protect the vehicle from rollover, and better improve the safety performance of the whole vehicle.

Description

Skeleton structure of anti-rollover cab of mechanical wheel mining dump truck

technical field

The utility model relates to a skeleton structure of a cab of a dump truck, in particular to a skeleton structure of an anti-rollover cab of a mine dump truck with mechanical wheels.

technical background

With the increasing mining volume of large-scale open-pit coal mines, iron ore and copper mines at home and abroad, more and more mining dump trucks are put into construction and mining. However, under the harsh working conditions of mines, dump truck rollover accidents occur frequently, and the accidental tipping of the vehicle seriously threatens the safety of life and property of drivers and passengers. For this reason, the country has issued relevant norms and standards for the safety of engineering vehicles. According to the requirements of national standards GB/T17771-1999 and GB/T17922, in the event of accidental tipping of the vehicle or the impact of heavy objects, the deformation of the cab must be The control is within the specified range, that is, the DLV safe area specified in the standard. In view of this, it has become a necessity to develop the mining dump truck cab with strong impact resistance and good safety.

Utility model content

Aiming at the problems existing in the above-mentioned prior art, the utility model provides a skeleton structure of an anti-rollover cab of a mine dump truck with mechanical wheels, which improves the strength and stiffness of the cab, plays a rollover protection role, and better improves the safety performance of the whole vehicle.

In order to achieve the above object, the technical solution adopted by the utility model is:

An anti-rollover cab frame structure of a dump truck with mechanical wheels, characterized in that the front ring beam structure, the middle ring beam structure, the rear ring beam structure, the bottom ring beam structure and the top ring beam structure form a trapezoidal cage Skeleton structure;

The front ring beam structure and the rear ring beam structure respectively constitute the two oblique side skeletons of the trapezoid;

The bottom ring beam structure and the top ring beam structure constitute the bottom and top skeletons of the trapezoid respectively;

The middle ring beam structure is located between the front ring beam structure and the rear ring beam structure, and is used to connect the bottom ring beam structure and the top ring beam structure.

The top ring beam structure includes a parallel top front beam and a top rear beam, a quadrilateral skeleton surrounded by two parallel top longitudinal beams, and at least one top middle beam parallel to the top front beam and top rear beam. The two ends of the middle beam are respectively connected with the top longitudinal beam.

The bottom ring beam structure includes a quadrilateral skeleton formed by two parallel bottom longitudinal beams and two parallel bottom cross beams, and the bottom longitudinal beams and bottom cross beams are perpendicular to each other.

The front ring beam structure includes a quadrilateral skeleton formed by two parallel columns, a parallel top front beam and a bottom beam; the two ends of the column are respectively connected to the top front beam and the end of the bottom beam; wherein, the top front beam, The bottom cross beam is also used as a skeleton in the top ring beam structure and the bottom ring beam structure respectively.

The rear ring beam structure includes a quadrilateral skeleton surrounded by two parallel columns, a parallel top rear beam and a bottom beam; the two ends of the column are connected to the top rear beam and the end of the bottom beam respectively; The bottom cross beam is also used as a skeleton in the top ring beam structure and the bottom ring beam structure respectively.

The middle ring beam structure includes two parallel columns and the top middle beam; one end of the column is connected to the end of the top middle beam, and the other end of the column is connected to the bottom ring beam structure; among them, the top middle beam doubles as the top ring beam structure One of the skeletons.

The front ring beam structure, the middle ring beam structure and/or the rear ring beam structure at least include a diagonal support rib connecting two frames.

The top ring beam structure is covered with a top plate.

The bottom ring beam structure is covered with a bottom plate.

The beneficial effects of the utility model are:

The utility model discloses a skeleton structure of an anti-rollover cab of a mine dump truck with a mechanical wheel. The cab includes: safety frame assembly, skin assembly, left and right door assemblies, windshield and other accessories. Among them, the safety frame assembly is the core support and protection structure, and the entire safety frame is welded by rectangular steel pipes, channel steel, top plate, bottom plate, and support ribs. The beams, longitudinal beams, and columns are strengthened by U-shaped ribs; the columns and the top beam form a closed ring beam structure at the A-pillar, B-pillar, and C-pillar respectively, and are connected and supported by longitudinal steel beams to form a closed The trapezoidal cage structure greatly improves the rigidity of the skeleton, which can well prevent fatal injuries to the driver and passengers caused by the fracture or excessive deformation of the skeleton steel beams intruding into the DLV area during the accidental rollover of the vehicle. The anti-rollover cab structure involved in the utility model can better improve the strength and rigidity of the cab, better protect the vehicle from rollover, and better improve the safety performance of the whole vehicle.

Description of drawings

Fig. 1, Fig. 2 are skeleton structure schematic diagrams of the present utility model.

In the figure, 1 is the top front beam, 2 is the top middle beam, 3 is the top longitudinal beam, 4 is the oblique support I, 5 is the A-pillar, 6 is the oblique support II, 7 is the bottom longitudinal beam, 8 is the B-pillar, 9 It is C-pillar, 10 is bottom front beam, 11 is C-pillar II, 12 is diagonal support III, 13 is diagonal support IV, 14 is diagonal support V, 15 is top rear beam, 16 is diagonal support VI, 17 is diagonal support VII, 18 is a top plate, 19 is a base plate, and 20 is a bottom rear beam.

detailed description

As shown in Figures 1 and 2, the skeleton structure of the anti-rollover cab of the mechanical wheel mining dump truck of the utility model mainly includes the top front beam 1, the top middle beam 2, the top longitudinal beam 3, the oblique support I4, the A pillar 5, the oblique Brace II 6, bottom longitudinal beam 7, B-pillar 8, C-pillar 9, bottom beam 10, C-pillar II 11, diagonal brace III 12, diagonal brace Ⅳ 13, diagonal brace Ⅴ 14, top rear beam 15, diagonal brace Ⅵ 16 , Diagonal support Ⅶ 17, top plate 18, bottom plate 19. Top front beam 1, A-pillar 5, bottom front beam 10, oblique support I4, oblique support VII 17 together form the front ring beam structure; top middle beam 2, B-pillar 8, and oblique support VI 16 jointly form the middle ring beam structure; C-pillar 9, bottom rear beam 20, C-pillar II 11, oblique support III 12, oblique support IV 13, oblique support V 14, top rear beam 15 together form the rear ring beam structure; top front beam 1, top middle beam 2 , the top longitudinal beam 3, the top rear beam 15 together form the top ring beam structure; the bottom longitudinal beam 7 and the bottom beam 10 jointly form the bottom ring beam structure; the front ring beam structure, the middle ring beam structure, the rear ring beam structure, the bottom The ring beam structure, the top ring beam structure, the top plate 18 and the bottom plate 19 together form a trapezoidal cage-like skeleton structure.

With Figures 1 and 2 as the schematic diagrams of the application examples, the skeleton structure of the anti-roll cab of the utility model mechanical wheel mining dump truck is described as follows:

The roof 18 is made of high-strength steel plate, and is supported by the top front beam 1, the top middle beam 2 and the top rear beam 15, which better protects against falling objects and prevents the ore from falling through the cab roof or causing The deformation of the roof exceeds the DLV area that guarantees the safety of the driver, guarantees the life safety of the driver and passengers, and improves the safety performance of the vehicle. The skeleton structure is designed as a trapezoidal structure with a small top and a large bottom, which can better withstand the lateral force of rollover. When the vehicle rolls unexpectedly, the A-pillar 5 and C-pillar 9 bear greater lateral force, so the A-pillar and C-pillar A more rigid front ring beam structure and a rear ring beam structure are constructed at the pillars; in terms of material selection, large The size of the high-strength steel square tube is welded, and the other non-main load-bearing parts are welded with the square tube with smaller size and thinner wall thickness. Considering the safety of the vehicle and the light weight of the frame, the main load-bearing parts are distinguished from the ordinary load-bearing parts, and the weight of the frame is reduced as much as possible on the basis of meeting the anti-rollover safety; at the same time, polyurethane foam material is filled in the frame of the cab , to better improve the sound insulation and noise reduction of the cab, and to enhance the strength and rigidity of the cab frame. As mentioned above, the utility model greatly improves the strength and rigidity of the cab skeleton, improves the overall stability of the cab, and improves the driving safety through the design of the trapezoidal cage structure; through the use of polyurethane foam materials, it greatly improves It improves the sound insulation and noise reduction of the cab, improves the strength and rigidity of the cab frame, and improves the driving comfort; at the same time, it takes into account the principle of lightweight design and has better comprehensive performance.

Claims (9)

1. A skeleton structure of an anti-rollover cab of a mine dump truck with mechanical wheels, characterized in that the front ring beam structure, the middle ring beam structure, the rear ring beam structure, the bottom ring beam structure and the top ring beam structure form a trapezoid Cage-like skeleton structure; The front ring beam structure and the rear ring beam structure respectively constitute the two oblique side skeletons of the trapezoid; The bottom ring beam structure and the top ring beam structure constitute the bottom and top skeletons of the trapezoid respectively; The middle ring beam structure is located between the front ring beam structure and the rear ring beam structure, and is used to connect the bottom ring beam structure and the top ring beam structure. 2. The anti-rollover cab frame structure of the mine dump truck with mechanical wheels according to claim 1, wherein the top ring beam structure comprises a parallel top front beam and a top rear beam, and two parallel top longitudinal beams enclose together. The formed quadrilateral skeleton also includes at least one top middle beam parallel to the top front cross beam and the top rear cross beam, and the two ends of the top middle cross beam are respectively connected to the top longitudinal beam. 3. The anti-rollover cab skeleton structure of the mine dump truck with mechanical wheels according to claim 1, wherein the bottom ring beam structure comprises a quadrilateral formed by two parallel bottom longitudinal beams and two parallel bottom cross beams. The frame, bottom stringers and bottom cross members are perpendicular. 4. The anti-rollover cab frame structure of the mechanical wheel mine dump truck according to claim 1, wherein the front ring beam structure comprises two parallel columns, a parallel top front beam and a bottom beam to form a joint. The two ends of the column are respectively connected with the ends of the top front beam and the bottom beam; wherein, the top front beam and the bottom beam are respectively used as a skeleton in the top ring beam structure and the bottom ring beam structure. 5. The anti-rollover cab skeleton structure of the mine dump truck with mechanical wheels according to claim 1, wherein the rear ring beam structure comprises two parallel columns, a parallel top rear beam and a bottom beam to form a joint. The two ends of the column are respectively connected with the ends of the top rear beam and the bottom beam; wherein, the top rear beam and the bottom beam are respectively used as a skeleton in the top ring beam structure and the bottom ring beam structure. 6. The anti-rollover cab skeleton structure of the mine dump truck with mechanical wheels according to claim 1, wherein the middle ring beam structure comprises two parallel columns and the top middle beam; one end of the column is connected to the end of the top middle beam. On the opposite side, the other end of the column is connected to the bottom ring beam structure; wherein, the top middle beam doubles as a skeleton in the top ring beam structure. 7. According to any one of claims 1, 4, 5, 6, the skeleton structure of the anti-rollover cab of the mine dump truck with mechanical wheels is characterized in that, the front ring beam structure, the middle ring beam structure and/or the rear The outer ring beam structure at least includes a diagonal support reinforcement connecting two skeletons. 8. The anti-rollover cab frame structure of the mechanical wheel mine dump truck according to claim 1 or 2, characterized in that the top ring beam structure is covered with a top plate. 9. The anti-rollover cab skeleton structure of the mechanical wheel mine dump truck according to claim 1 or 3, characterized in that the ring beam structure at the bottom is covered with a bottom plate.