CN106494510A - A kind of vehicle frame and cargo vehicle - Google Patents

Abstract

A vehicle frame and a truck provided by the present invention include a vehicle frame body, and the vehicle frame body includes a left longitudinal beam and a right longitudinal beam; The width of the frame body gradually increases in the direction from the rear end of the frame to the front end of the frame; the middle of the left and right longitudinal beams is provided with a bulge, and in the bulge, the frame body in the direction from the front end of the frame to the rear end of the frame The height of the frame increases gradually, and the part from the bulge to the rear end of the frame is higher than the part from the bulge to the front end of the frame; the left longitudinal beam and the right longitudinal beam are provided with beam assemblies for fixing the left longitudinal beam and the right longitudinal beam. The flared portion of the front end formed by the left and right longitudinal beams is in an outwardly flared structure, and the bulge formed by the upward bulge in the middle and rear of the frame body makes the frame body a non-linear structure, which is convenient The installation and force requirements of the front bracket of the cab can be satisfied, the center of gravity of the whole vehicle can be lowered, and the driving stability can be improved.

Description

A vehicle frame and a truck

technical field

The invention relates to the technical field of truck manufacturing, in particular to a vehicle frame and a truck.

Background technique

In the current trucks, the vehicle frame generally adopts a channel-shaped longitudinal beam, and the front suspension generally adopts a non-independent suspension using a leaf spring as an elastic element.

In order to improve the comfort of riding, in the prior art, the front suspension of light truck can adopt the double wishbone type independent suspension of torsion bar spring.

However, the trough-shaped longitudinal beam vehicle frame is not easy to meet the installation and stress requirements of the upper and lower wishbone brackets of the double wishbone type front independent suspension.

Contents of the invention

The object of the present invention is to provide a vehicle frame and a truck to solve the problem that the groove-shaped longitudinal beam vehicle frame in the prior art is not easy to meet the installation requirements of the upper and lower wishbone brackets of the double wishbone type front independent suspension. Technical issues of force requirements.

A vehicle frame provided by the present invention includes a vehicle frame body, and the vehicle frame body includes a left longitudinal beam and a right longitudinal beam;

The front ends of the left side beam and the right side beam form a flared portion, and in the flared portion, the width of the frame body gradually increases from the rear end of the frame to the front end of the frame;

The middle part of the left side beam and the right side beam is provided with a bulge, in the bulge, the height of the frame body gradually increases from the front end of the frame to the rear end of the frame, and from the bulge the portion to the rear end of the frame is higher than the portion from the raised portion to the front end of the frame;

A beam assembly is arranged on the left longitudinal beam and the right longitudinal beam for fixing the left longitudinal beam and the right longitudinal beam.

Further, in an embodiment of the invention, the crossbeam assembly includes a front crossbeam, a first crossbeam, a second crossbeam, a third crossbeam and a rear crossbeam, and the front crossbeam, the first crossbeam, and the second crossbeam , the third cross beam and the rear cross beam are sequentially arranged in the direction from the front end of the vehicle frame to the rear end of the vehicle frame.

Further, in an embodiment of the invention, the frame body is provided with a cab support;

The cab support includes a left front support, a right front support, a left rear support and a right rear support;

The left front support and the right front support are located at both ends of the front cross beam.

Further, in an embodiment of the invention, a steering bracket is provided between the first beam and the second beam, and the left end of the steering bracket is provided with a left front suspension upper cross arm and a shock absorber bracket and The radiator left bracket, the right end of the steering gear bracket is provided with a right front suspension upper cross arm, a shock absorber bracket and a radiator right bracket.

Further, in an embodiment of the invention, a front suspension bracket of the engine is arranged between the steering gear bracket and the second beam, and a rear suspension bracket of the engine is arranged on the second beam.

Further, in an embodiment of the invention, the left longitudinal beam and the right longitudinal beam are further provided with cargo box support, and the cargo box support is located behind the third cross beam.

Further, in an embodiment of the invention, the upper pin shaft of the rear shock absorber is also arranged on the left longitudinal beam and the right longitudinal beam, and the upper pin shaft of the rear shock absorber is located at the bottom of the container support. rear.

Further, in an embodiment of the invention, the left end of the second beam is provided with a left front suspension torsion bar spring support, the right end of the second beam is provided with a right front suspension torsion bar spring support, and the third Both ends of the beam are provided with rear suspension leaf spring front brackets;

The left longitudinal beam and the right longitudinal beam are also provided with a rear suspension leaf spring hanger bracket, and the rear suspension leaf spring hanger bracket is located behind the upper pin shaft of the rear shock absorber.

Further, in an embodiment of the invention, the left end of the first crossbeam is provided with a left front suspension thrust rod and a stabilizer bar support, and the right end of the first crossbeam is provided with a right front suspension thrust rod and a stabilizer bar support. seat.

Further, in an embodiment of the invention, the left and right longitudinal beams are provided with a plurality of cross beam circular perforations, and the front cross beam, the first cross beam, the second cross beam, the third cross beam and the rear cross beam are plugged The crossbeam is circularly perforated and connected with the left longitudinal beam and the right longitudinal beam by welding.

Further, in an embodiment of the invention, the front crossbeam and the first crossbeam are located in the flared part, the second crossbeam is located at the front end of the raised part, and the third crossbeam is located at the front end of the raised part The rear end of the rear beam is located at the rear end of the frame body.

Further, in the embodiment of the invention, the left and right side beams are also provided with side beam reinforcing plates.

The present invention also provides a truck, including the vehicle frame.

In the above technical solution, the front ends of the left side beam and the right side beam form a flared portion, and in the flared portion, the width of the frame body in the direction from the rear end of the frame to the front end of the frame is Gradually increase, so that the front ends of the left and right longitudinal beams form an outwardly flared structure, and at the same time, a raised portion is provided at the middle of the left and right longitudinal beams, and in the raised portion, The height of the frame body gradually increases from the front end of the frame to the rear end of the frame, so that the portion from the raised portion to the rear end of the frame is higher than the portion from the raised portion to the front end of the frame.

The front-end flared portion formed by the left and right side beams has a structure that flares outwards, and the bulge formed by the rear part of the frame body bulges upwards makes the frame body a non-linear structure. The installation and force requirements of the front bracket of the cab can be satisfied, the center of gravity of the whole vehicle can be lowered, and the driving stability can be improved.

The truck using this frame can meet the installation and stress requirements of the upper and lower wishbone brackets and other components of the double-wishbone independent front suspension, and the production is relatively simple, the cost is relatively low, and it can be widely used A light-duty truck with a double-wishbone front independent suspension using torsion bar springs.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is the top view of the vehicle frame that the embodiment of the present invention provides;

Fig. 2 is a side view of the vehicle frame shown in Fig. 1;

Fig. 3 is the A-A sectional view of vehicle frame shown in Fig. 1;

Fig. 4 is the B-B sectional view of vehicle frame shown in Fig. 2;

Fig. 5 is a C-C sectional view of the vehicle frame shown in Fig. 2 .

Reference signs:

1-left longitudinal beam; 2-left front support; 3-front beam;

4-right longitudinal beam; 5-right front support;

6-Left front suspension thrust rod and stabilizer bar support;

7-Right front suspension thrust rod and stabilizer bar support;

8-the first beam; 9-left front suspension upper cross arm and shock absorber bracket;

10-left radiator bracket; 11-right front suspension upper cross arm and shock absorber bracket;

12-right radiator bracket; 13-steering gear bracket; 14-engine front suspension bracket;

15-left rear support; 16-right rear support; 17-left front suspension torsion bar spring support;

18-right front suspension torsion bar spring support; 19-second beam; 20-engine rear suspension bracket;

21-longitudinal beam reinforcement plate; 22-third beam; 23-rear suspension leaf spring front bracket;

24-cargo box support; 25-rear shock absorber upper pin;

26-rear suspension leaf spring hanger bracket; 27-rear beam.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Fig. 1 is the top view of the vehicle frame that the embodiment of the present invention provides; Fig. 2 is the side view of the vehicle frame shown in Fig. 1; Fig. 3 is the A-A sectional view of the vehicle frame shown in Fig. 1; Fig. 4 is the vehicle frame shown in Fig. 2 B-B sectional view of the vehicle frame; Fig. 5 is a C-C sectional view of the vehicle frame shown in Fig. 2, as shown in Figs. Left longitudinal beam 1 and right longitudinal beam 4;

The front ends of the left longitudinal beam 1 and the right longitudinal beam 4 form a flared portion, and in the flared portion, the width of the frame body gradually increases from the rear end of the frame to the front end of the frame;

The middle part of the left longitudinal beam 1 and the right longitudinal beam 4 is provided with a bulge, and in the bulge, the height of the frame body gradually increases from the front end of the frame to the rear end of the frame. The portion from the raised portion to the rear end of the frame is higher than the portion from the raised portion to the front end of the frame;

The left longitudinal beam 1 and the right longitudinal beam 4 are provided with a beam assembly for fixing the left longitudinal beam 1 and the right longitudinal beam 4 .

In a specific embodiment, as shown in FIG. 1 , the front ends of the left and right longitudinal beams form a flared portion, and in the flared portion, in the direction from the tail end of the frame to the front end of the frame, The width of the frame body gradually increases, so that the front ends of the left and right longitudinal beams form a structure that flares outwards. At the same time, it can be seen from FIG. 2 that the left and right longitudinal beams The middle part is provided with a bulge, and in the bulge, the height of the frame body gradually increases from the front end of the frame to the rear end of the frame, so that the part from the bulge to the rear end of the frame is higher than that from the The portion from the ridge to the front end of the frame.

The front-end flared portion formed by the left and right side beams has a structure that flares outwards, and the bulge formed by the rear part of the frame body bulges upwards makes the frame body a non-linear structure. The installation and force requirements of the front bracket of the cab can be satisfied, the center of gravity of the whole vehicle can be lowered, and the driving stability can be improved.

Fig. 1 is the top view of the vehicle frame that the embodiment of the present invention provides; Fig. 2 is the side view of the vehicle frame shown in Fig. 1; Continue to refer to Fig. 1 and Fig. 2, described crossbeam assembly comprises front crossbeam 3, first crossbeam 8, The second crossbeam 19, the third crossbeam 22 and the rear crossbeam 27, and the front crossbeam 3, the first crossbeam 8, the second crossbeam 19, the third crossbeam 22 and the rear crossbeam 27 from the car The direction from the front end of the frame to the rear end of the frame is set sequentially.

Wherein, in a specific embodiment, the left longitudinal beam 1 and the right longitudinal beam 4 are provided with a plurality of crossbeam circular perforations, and the number and positions of the crossbeam circular perforations are the same as those of the front crossbeam 3 and the first crossbeam 8. , the number and position of the second crossbeam 19, the third crossbeam 22 and the rear crossbeam are corresponding, and are used for inserting the front crossbeam 3, the first crossbeam 8, the second crossbeam 19, the third crossbeam 22 and the rear crossbeam 27 In the circular perforation of the crossbeam, and after plugging, connect the front crossbeam 3, the first crossbeam 8, the second crossbeam 19, the third crossbeam 22 and the rear crossbeam to the left longitudinal beam 1 and the right longitudinal beam respectively. 4-phase welding, connected by welding.

And in the process of concrete welding, described front crossbeam 3, first crossbeam 8, second crossbeam 19, the 3rd crossbeam 22 and rear crossbeam are blanked by round steel pipe, after cutting by round steel pipe, then respectively in Both ends are welded with circular sealing plates made of steel plates for welding.

Continuing to refer to FIG. 1 and FIG. 2 , the vehicle frame body is provided with a cab support for fixing the cab.

Specifically, the cab support includes a left front support 2, a right front support 5, a left rear support 15 and a right rear support 16;

The left front support 2 and the right front support 5 are located at both ends of the front cross beam 3 .

And described left front support 2 and right front support 5 are stamped and formed after blanking with steel plate, and left rear support 15 and right rear support 16 are the parts that are made with steel plate and with the parts that round steel pipe is made and welded. of.

Further, a steering gear bracket 13 is arranged between the first beam 8 and the second beam 19, and the steering gear bracket 13 is a left front suspension lower cross arm, a right front suspension lower cross arm and a rack and pinion type. The steering gear bracket is also assembled and welded by components made of steel plates.

The left end of the steering gear bracket 13 is provided with a left front suspension upper cross arm and a shock absorber bracket 9 and a radiator left bracket 10, and the right end of the steering gear bracket 13 is provided with a right front suspension upper cross arm and a shock absorber bracket 11 and radiator right bracket 12.

The radiator left bracket 10 and the radiator right bracket 12 are punched and formed after blanking steel plates. Specifically, they are arranged on the inner sides of the left longitudinal beam 1 and the right longitudinal beam 4, and are fixed by welding.

Further, an engine front suspension bracket 14 is arranged between the steering gear bracket 13 and the second crossbeam 19 , and an engine rear suspension bracket 20 is arranged on the second crossbeam 19 .

The front suspension bracket 14 of the engine is assembled and welded with parts made of steel plates and parts made of round steel pipes, and is fixed with the left longitudinal beam 1 and the right longitudinal beam 4 by welding. The rear suspension bracket 20 of the engine is also assembled and welded with parts made of steel plate.

Further, the left longitudinal beam 1 and the right longitudinal beam 4 are also provided with a cargo box support 24 , and the cargo box support 24 is located behind the third cross beam 22 .

Further, the left longitudinal beam 1 and the right longitudinal beam 4 are also provided with a rear shock absorber upper pin shaft 25 , and the rear shock absorber upper pin shaft 25 is located behind the container support 24 . Bearing pin 25 is made of round steel on the rear shock absorber.

Further, the left end of the second crossbeam 19 is provided with a left front suspension torsion bar spring support 17, the right end of the second crossbeam 19 is provided with a right front suspension torsion bar spring support 18, and the third crossbeam 22 Both ends are provided with the rear suspension leaf spring front bracket 23; the left front suspension torsion bar spring support 17 is assembled and welded with parts made of steel plates, and the rear suspension leaf spring front bracket 23 is assembled and welded with parts made of steel plates made.

The left longitudinal beam 1 and the right longitudinal beam 4 are also provided with a rear suspension leaf spring hanger bracket 26, and the rear suspension leaf spring hanger bracket 26 is located at the pin shaft 25 on the rear shock absorber. rear.

Further, the left end of the first beam 8 is provided with a left front suspension thrust rod and a stabilizer bar support 6 , and the right end of the first beam 8 is provided with a right front suspension thrust rod and a stabilizer bar support 7 .

The left front suspension thrust rod and the stabilizer bar support 6 are assembled and welded from parts made of steel plates, and are specifically arranged on the left end of the first crossbeam 8 at the bottom corresponding to the left longitudinal beam 1. The form of welding is fixedly connected; Similarly, the right front suspension thrust rod and the stabilizer bar support 7 are also assembled and welded with parts made of steel plates, which are specifically arranged on the right end of the first crossbeam 8 and the right longitudinal The lower part of the corresponding position of the beam 4 is fixedly connected by welding.

The front crossbeam 3 and the first crossbeam 8 are located in the expanded portion, the second crossbeam 19 is located at the front end of the raised portion, the third crossbeam 22 is located at the rear end of the raised portion, the The rear beam 27 is located at the rear end of the frame body.

The left longitudinal beam 1 and the right longitudinal beam 4 are also provided with a longitudinal beam reinforcing plate 21, and the longitudinal beam reinforcing plate 21 is stamped into a groove shape after blanking with a steel plate.

The present invention also provides a truck, including the vehicle frame.

Since the specific structure, functional principles and beneficial effects of the vehicle frame have been described in detail above, they will not be repeated here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. a kind of vehicle frame, including frame body, it is characterised in that the frame body includes left longeron (1) and right vertical beam (4)；

The front end of left longeron (1) and the right vertical beam (4) forms expanding part, in the expanding part, from vehicle frame tail end to On the direction of vehicle frame front end, the width of the frame body gradually increases；

Protrusion is provided with the middle part of left longeron (1) and the right vertical beam (4), in the protrusion, from vehicle frame front end To the direction of vehicle frame tail end, the height of the frame body gradually increases, and the part from the protrusion to vehicle frame tail end is higher than From the protrusion to the part of vehicle frame front end；

Transverse beam assembly is provided with left longeron (1) and the right vertical beam (4), left longeron (1) and described for fixing Right vertical beam (4).

2. vehicle frame according to claim 1, it is characterised in that the transverse beam assembly includes front beam (3), first crossbeam (8), second cross beam (19), the 3rd crossbeam (22) and rear cross beam (27), and the front beam (3), the first crossbeam (8), institute Second cross beam (19), the 3rd crossbeam (22) and the rear cross beam (27) are stated with from vehicle frame front end to the direction of vehicle frame tail end Order is arranged.

3. vehicle frame according to claim 2, it is characterised in that be provided with driver's cabin bearing in the frame body；

The driver's cabin bearing includes left front bearing (2), right anterior branch seat (5), left back bearing (15) and right rear support (16)；

Left front bearing (2) and the right anterior branch seat (5) are located at the two ends of the front beam (3).

4. vehicle frame according to claim 3, it is characterised in that first crossbeam (8) and the second cross beam (19) it Between be provided with steering gear bracket (13), the left end of steering gear bracket (13) is provided with left front suspension Top Crossbeam and vibroshock Frame (9) and radiator left socle (10), the right-hand member of steering gear bracket (13) are provided with right front suspension Top Crossbeam and vibroshock Support (11) and radiator right support (12).

5. vehicle frame according to claim 4, it is characterised in that steering gear bracket (13) and the second cross beam (19) Between be provided with front mount bracket of engine (14), be provided with rear suspension support for engine (20) on second cross beam (19).

6. vehicle frame according to claim 5, it is characterised in that also set up on left longeron (1) and the right vertical beam (4) There are container bearing (24), described container bearing (24) to be located at the rear of the 3rd crossbeam (22).

7. vehicle frame according to claim 6, it is characterised in that also set up on left longeron (1) and the right vertical beam (4) There are rear shock absorber upper pin (25), described rear shock absorber upper pin (25) to be located at the rear of container bearing (24).

8. vehicle frame according to claim 7, it is characterised in that the left end of second cross beam (19) is provided with left front suspension Torsion-bar spring bearing (17), the right-hand member of second cross beam (19) are provided with right front suspension torsion-bar spring bearing (18), and described The two ends of three crossbeams (22) are provided with rear suspension spring front end bracket (23)；

Rear suspension spring hanger support (26), the rear overhang are additionally provided with left longeron (1) and the right vertical beam (4) Frame spring hanger support (26) is located at the rear of rear shock absorber upper pin (25).

9. vehicle frame according to claim 8, it is characterised in that the left end of first crossbeam (8) is provided with left front suspension Distance rod and lateral stability rod bearing (6), the right-hand member of first crossbeam (8) are provided with right front suspension distance rod and lateral stability Rod bearing (7).

10. a kind of cargo vehicle, it is characterised in that include the vehicle frame as described in any one of claim 1-9.