CN202071884U - Front combination rack assembly for heavy automobile - Google Patents

Abstract

The utility model discloses a front combination rack assembly for a heavy automobile, which is in an integral structure and comprises a substrate. The substrate is provided with a cooperating face enabling the substrate to be tightly connected to a vehicle frame. The substrate also includes a steering gear rack connection hole, a cab lifting cylinder mounting hole, a cab suspension mounting hole, a plate spring mounting face, a plate spring outer hanger plate mounting hole, a cab rotating shaft mounting hole, a cooling system mounting face, a front bumper fixed hole, a front draw hook base, a pulling plate mounting face, a round girder mounting face, a front suspension altitude valve mounting hole, a front plate spring fixed pin mounting face and a bumper rack mounting hole. The front combination rack assembly is simple in structure and easy in arrangement.

Description

Front combination bracket assembly for heavy vehicles

technical field

The utility model relates to a heavy-duty automobile component, in particular to a front combined bracket assembly for a heavy-duty automobile.

Background technique

The connection between the front end and the periphery of the existing heavy-duty vehicle frame (such as: cab, front bumper, leaf spring, steering gear, towing hook, etc.) mostly uses brackets with relatively independent functions, which are complicated and cumbersome. Not only is it difficult to arrange in a limited space, but the total weight is particularly large and the cost is high. In today's energy shortage and highway toll-by-weight, it is imperative to reduce the curb quality of the vehicle.

Contents of the invention

The technical problem to be solved by the utility model is to provide a front combined bracket assembly for heavy vehicles, which has a simple structure and is convenient to arrange.

In order to solve the problems of the technologies described above, the technical solution of the utility model is:

A front combined bracket assembly for a heavy-duty vehicle, which has an overall structure, including a base plate, which is provided with a mating surface for fastening connection with the vehicle frame, and is also provided with a connecting hole for the steering gear bracket, and a cab lift cylinder installation hole, cab suspension installation hole, leaf spring installation surface, leaf spring outer hanging plate installation hole, cab overturn shaft installation hole, cooling system installation surface, front bumper fixing hole, front traction hook seat and pull plate installation surface, Ingot beam mounting surface, front suspension height valve mounting hole, front leaf spring fixing pin mounting surface and front bumper bracket mounting hole.

The mating surface between the base plate and the vehicle frame includes two mutually perpendicular connection surfaces of the vehicle frame, which respectively cooperate with the side surface and the lower wing surface of the vehicle frame.

The installation hole of the turning shaft of the cab is a split structure up and down, and is fastened and connected by a bolt assembly.

Both the cab lifting cylinder mounting hole and the cab suspension mounting hole are hollow conical bosses.

A reinforcing structure is arranged inside the hollow conical boss.

The mounting surface of the leaf spring is provided with reinforcing ribs fixed to the base plate.

Eight connection holes of ø16.5 mm are provided on the mating surface of the base plate and the side of the frame for fast connection, and two connection holes of ø14.5 mm are provided on the mating surface of the fast connection with the lower wing surface of the frame.

The utility model integrates the front suspension of the cab, the water tank bracket, the cab lift cylinder bracket, the front bumper bracket, the front traction hook seat and the leaf spring front hanger bracket as a whole, and the structure is greatly simplified through optimization. The overall strength is reduced, the overall strength is increased, the structure is simple, and the layout is convenient, which can effectively reduce the quality of the whole vehicle and the production cost.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:

Fig. 1 is the structural representation of the utility model, can see the outside of the utility model among the figure.

Fig. 2 is the structural representation of the utility model, can see the inside of the utility model among the figure

Figure 3 is a schematic diagram of the installation of the front combined bracket assembly.

In the figure: 1 cover plate, 2 self-locking bolts and washers, 3 base plate, 4 direction machine bracket connection hole, 5 cab lift cylinder installation hole, 6 cab suspension installation hole, 7 leaf spring installation surface, 8 leaf spring Mounting holes for the outer hanging plate, 9 mounting holes for cab turning shaft, 10 cooling system mounting surface, 11 frame connecting surface, 12 front bumper fixing hole, 13 front traction hook seat and pull plate mounting surface, 14 Yuanbao beam mounting surface, 15 Frame connection surface, 16 Front suspension height valve installation hole, 17 Front leaf spring fixing pin installation surface, 18 Front bumper bracket installation hole, 19 Water tank intercooler module, 20 Frame, 21 Leaf spring, 22 Cab Mounting height valve, 23 cab lift cylinder, 24 cab front suspension, 25 leaf spring hanging plate, 26 bolts and self-locking nuts, 27 front bumper bracket, 28 cab turning shaft, 29 pull plate, 30 front Traction hook seat, 31 cooling system bracket and rubber block.

Detailed ways

As shown in Figures 1 and 2, a front combined bracket assembly for a heavy-duty vehicle has an overall structure, including a base plate 3, which is provided with a matching surface for fastening connection with the vehicle frame 20, and is also provided with a direction Machine bracket connecting hole 4, cab lift cylinder mounting hole 5, cab suspension mounting hole 6, leaf spring mounting surface 7, leaf spring outer hanging plate mounting hole 8, cab turning shaft mounting hole 9, cooling system mounting surface 10. Front bumper fixing hole 12, front traction hook seat and pull plate installation surface 13, Yuanbao beam installation surface 14, front suspension height valve installation hole 16, front leaf spring fixing pin installation surface 17 and front bumper bracket installation hole 18.

The mating surface between the base plate 3 and the vehicle frame 20 includes two vehicle frame connecting surfaces ( 11 and 15 ) perpendicular to each other, which are respectively matched with the side surface and the lower wing surface of the vehicle frame 20 .

There are 8 connecting holes of ø16.5mm on the mating surface of the substrate 3 and the side of the frame 20, and 2 connecting holes of ø14.5mm on the mating surface of the lower wing of the frame 20. hole. Connect the front combined bracket assembly and the frame longitudinal beam from the side and the lower wing as a whole.

The installation hole 9 of the turning shaft of the cab is an upper and lower split structure, which are respectively the base formed on the base plate and the matching cover plate 1, which are fastened and connected by bolt components, preferably by self-locking bolts and washers 2. .

The installation holes of the lifting cylinder of the cab and the installation holes of the suspension of the cab are both hollow conical bosses, and the hollow conical bosses are provided with a reinforcing structure, which not only improves the strength of the bracket but also reduces its quality.

The mounting surface of the leaf spring is provided with reinforcing ribs fixed to the base plate to increase the overall strength and avoid fatigue cracking under severe working conditions.

The utility model is preferably integrally cast with high-strength, high-elongation ductile iron material (QT400-18). QT400-18 has the advantages of high strength, high elongation, long service life, beautiful appearance, and low total weight.

FIG. 3 shows a schematic diagram of the installation of the front combined bracket assembly. The two frame connecting surfaces ( 11 and 15 ) of the base plate 3 are respectively matched with the side surface and the lower wing surface of the vehicle frame 20 . Front traction hook seat 30 and pull plate 29 are fixed on the front traction hook seat and pull plate mounting surface 13 of the front combined support front end by bolts. The Yuanbao beam is connected to the Yuanbao beam installation surface 14 at the lower end of the front combined bracket by 4 bolts, and the front combined bracket assembly on both sides of the vehicle strengthens the lateral stability of the vehicle frame 20 through rigid connection. The water tank intercooler module 19 is installed on the cooling system installation surface 10 through the cooling system bracket and the rubber block 31 . The cab turning shaft 28 is tightened between the base formed on the base plate and the cover plate 1 by self-locking bolts and washers 2 . The cab lifting cylinder 23 and the cab front suspension 24 are fixed on the cab lifting cylinder mounting hole 5 and the cab suspension mounting hole 6 positions by pins. The front bumper bracket 27 is fixed on the front bumper bracket mounting hole 18 by bolts, and the bumper trim is fixed through the front bumper fixing hole 12 . The leaf spring 21 is fixed on the front combined bracket assembly by the bolt 26 under the clamping of the leaf spring hanging plate 25 and the leaf spring mounting surface 7 .

Claims (7)

1. A front combined bracket assembly for heavy-duty vehicles, characterized in that: it is an integral structure, including a base plate, which is provided with a mating surface for fastening connection with the vehicle frame, and is also provided with a steering machine bracket connecting hole, Cab lift cylinder installation hole, cab suspension installation hole, leaf spring installation surface, leaf spring outer suspension plate installation hole, cab overturn shaft installation hole, cooling system installation surface, front bumper fixing hole, front towing hook seat And the installation surface of the pull plate, the installation surface of the ingot beam, the installation hole of the front suspension height valve, the installation surface of the front leaf spring fixing pin and the installation hole of the front bumper bracket. 2. The front combined bracket assembly for heavy-duty vehicles according to claim 1, characterized in that: the mating surface between the base plate and the vehicle frame fastened to each other includes two mutually perpendicular connection surfaces of the vehicle frame, which are respectively separated from the two sides of the vehicle frame. Side and lower wing fit. 3. The front combined bracket assembly for heavy-duty vehicles according to claim 1, characterized in that: the installation hole of the cab turning shaft is a split structure up and down, and is fastened and connected by a bolt assembly. 4. The front combined bracket assembly for heavy-duty vehicles according to claim 1, characterized in that: the installation hole of the cab lift cylinder and the installation hole of the cab suspension are both hollow conical bosses. 5 . The front combined bracket assembly for heavy vehicles according to claim 4 , wherein a reinforcing structure is arranged inside the hollow conical boss. 6 . 6. The front combined bracket assembly for heavy-duty vehicles according to claim 1, characterized in that: the mounting surface of the leaf spring is provided with a reinforcing rib fixed to the base plate. 7. The front combined bracket assembly for heavy-duty vehicles according to claim 1, characterized in that: eight connecting holes of ø16.5 mm are provided on the mating surface of the base plate and the side of the vehicle frame for fastening connection, and are connected with the vehicle frame There are two connection holes of ø14.5mm on the mating surface of the fastening connection of the lower wing.

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