CN215322860U

CN215322860U - Combined support and integrated frame for medium and heavy vehicles

Info

Publication number: CN215322860U
Application number: CN202121543993.9U
Authority: CN
Inventors: 汪继斌; 马晓清; 杨梦雄; 陈俊峰; 李文斌
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-12-28
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to a combined bracket and an integrated frame of a medium and heavy vehicle. The technical scheme is as follows: a medium-heavy-duty vehicle combined bracket includes a mounting seat, the mounting seat includes a parallel first side and a second side, the first side is provided with a longitudinal beam mounting hole and a front cross beam first mounting hole, and the mounting seat is provided with a longitudinal beam mounting hole and a front beam first mounting hole. The front end surface of the seat is provided with the second installation hole of the front cross beam, the center lines of the first installation hole of the front cross beam and the installation hole of the longitudinal beam are arranged horizontally and parallel to each other, the center line of the second installation hole of the front cross beam is arranged horizontally and the installation hole of the longitudinal beam is vertical. the centerline. The utility model integrates the necessary bracket components at the front end of the vehicle frame through the medium and heavy-duty vehicle combination bracket, reduces the number of parts, and facilitates assembly; the hole structure is used for installation, which is convenient for processing and ensures strength. Longitudinal beams and beams are both indispensable parts of the frame structure. The beams are installed and fixed from two directions and have strong torsion resistance, which can better ensure stability.

Description

Combined support and integrated frame for medium and heavy vehicles

Technical Field

The utility model relates to the technical field of frame structures, in particular to a combined bracket and an integrated frame for a medium-heavy vehicle.

Background

The vehicle frame is made up of a number of parts, such as a front traction cross member, a pedal bracket, a bumper bracket, etc. At present, a plurality of single supports are generally adopted for connection, the function of each support is single, and the front part of each support can meet the use function requirement only by the aid of the plurality of supports. This kind of a plurality of leg joint's mode does not integrate the design, and the structure is complicated, and the installation is loaded down with trivial details, and weight is heavier, and the cost is higher, and production efficiency is lower. Some adopt the mode of welding sectional shelf-unit, can integrate the design, but product quality uniformity is poor, and production efficiency is low, and spare part structure receives welding process restriction.

The patent document with the publication number of CN 103921842A discloses an integrated form solebar linking bridge to following technical characteristics are disclosed, including bumper installation department, beam assembly installation department, frame fixed part and the leaf spring fixed part that the base member and set up on it, the front end fixed connection of beam assembly installation department and frame fixed part is passed through at the back of bumper installation department, the bottom of frame fixed part and the lateral part fixed connection of leaf spring fixed part, be provided with recessed formula water tank installation department and the preceding suspension upset arm installation department of driver's cabin between beam assembly installation department and the frame fixed part, protection support fixed part under the below fixedly connected with of beam assembly installation department, the preceding suspension bumper shock absorber installing support of lateral part fixedly connected with of beam assembly installation department. Although the device can play a role of integrating the frame, the structure is more and complicated, stress concentration exists in partial places, the device is not suitable for medium and heavy vehicles, the structure is not suitable for all types of vehicles, and the universality is poor.

Disclosure of Invention

Aiming at the problems that the existing device structure is not suitable for medium and heavy vehicles and the universality is poor, the utility model provides a medium and heavy vehicle combined bracket and an integrated frame which use a hole site structure to connect a necessary bracket and a beam.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a well heavy vehicle sectional shelf-unit, includes the mount pad, the mount pad includes parallel first side and second side, first side is provided with the first mounting hole of longeron and front beam, and the preceding terminal surface of mount pad is provided with front beam second mounting hole, and the central line level of the first mounting hole of front beam and longeron mounting hole arranges and is parallel to each other, and the central line level of front beam second mounting hole arranges and perpendicular longeron mounting hole's central line. The combined bracket for the medium and heavy vehicle integrates and combines the necessary bracket parts at the front end of the frame together, reduces the number of parts and is convenient to assemble; adopt the pore structure installation, the processing of being convenient for can also guarantee intensity. Longeron and crossbeam are the indispensable part in the frame structure, and the crossbeam is fixed from two orientations installation anti torsion ability reinforce, more can guarantee stability.

Preferably, the second side surface is provided with a pedal bracket mounting hole, the central line of the pedal bracket mounting hole is parallel to the central line of the first mounting hole of the front cross beam, and at least one group of hole positions of the pedal bracket mounting hole and the first mounting hole of the front cross beam are overlapped. The pedal bracket is arranged on the outer side of the mounting seat according to the position and the structure of the pedal bracket, and the mounting hole of the pedal bracket is superposed with the first mounting hole of the front cross beam, so that the structure of the mounting seat can be reduced, the processing cost is reduced, and the bearing capacity of the mounting seat is improved.

Preferably, the front end face of the mounting seat is further provided with a bumper bracket mounting hole, the center line of the bumper bracket mounting hole is parallel to the front cross beam second mounting hole, and at least one group of hole positions of the bumper bracket mounting hole and the front cross beam second mounting hole are overlapped. The bumper support is used for mounting a bumper, the structure of the mounting seat can be simplified by the coincidence of the mounting hole of the bumper support and the second mounting hole of the front cross beam, and stress concentration and easy damage at the complex part of the structure are avoided.

Preferably, the bottom of the first side surface of the mounting seat is further provided with a front lower protective bracket mounting hole, and the central line of the front lower protective bracket mounting hole is parallel to the central line of the longitudinal beam mounting hole. Preceding protective bracket is used for connecting preceding lower protection assembly, can protect the automobile body.

Preferably, the top surface of mount pad is provided with spacing support mounting hole, and the central line of spacing support mounting hole sets up vertically. The limiting bracket mounting hole is used for mounting a cab suspension bracket.

Preferably, the mounting bracket is connected to the bottom of mount pad, and preceding protective housing mounting hole sets up on the mounting bracket down, and the mounting panel is connected to the preceding terminal surface of mount pad, and preceding crossbeam second mounting hole sets up on the mounting panel, and mounting panel, mount pad and mounting bracket are integrated into one piece. Mounting panel, mount pad and mounting bracket are integrative casting shaping, guarantee holistic joint strength, guarantee product quality uniformity, have avoided some structures to receive the problem of welding process restriction.

Preferably, there are five groups of first mounting holes of the front cross beam, three groups of mounting holes of the pedal bracket, and two groups of hole positions of the first mounting holes of the front cross beam and the mounting holes of the pedal bracket coincide. The position relation of the front cross beam and the pedal bracket mounting hole is specifically set.

Preferably, there are three sets of overlapping bumper bracket mounting holes and front cross member second mounting holes. The position relation of a second mounting hole of the front cross beam and a mounting hole of the bumper bracket is specifically set.

The utility model provides an integrated form frame, including two sets of bilateral symmetry's well heavy vehicle sectional shelf-units, the first side of two sets of well heavy vehicle sectional shelf-units is relative, well heavy vehicle sectional shelf-units arranges in the outside of longeron front end, the longeron is connected to the longeron mounting hole, footboard support mounting hole connects the footboard support, spacing support mounting hole connects the spacing support of driver's cabin suspension, protective bracket under the preceding protective bracket mounting hole connection preceding, the front beam is connected to the first mounting hole of front beam and front beam second mounting hole, bumper bracket mounting hole connects the bumper bracket. The front-end integrated frame has all the beneficial effects of the combined bracket for the medium and heavy vehicles.

The utility model has the advantages that the necessary bracket parts at the front end of the frame are integrally connected together, so that the number of parts is reduced, the assembly steps are reduced, and the efficiency is improved; the hole structure is used for connecting other supports, beams and other parts, the connection strength can be guaranteed, meanwhile, the processing is simple, the cost is low, partial hole sites can be shared, the overall complexity is reduced, and the problems of stress concentration and weak bearing capacity are avoided.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is another schematic structural diagram of an embodiment of the present invention.

FIG. 3 is an assembly schematic of an embodiment of the present invention.

Fig. 4 is an enlarged schematic view at a in fig. 3.

In the figure: 1. longeron mounting hole, 2, protection bracket mounting hole under preceding, 3, footboard support mounting hole, 4, spacing support mounting hole, 5, front beam second mounting hole, 6, the first mounting hole of front beam, 7, the mounting panel, 8, the mount pad, 9, the mounting bracket, 10, the second side, 11, first side, 12, the longeron, 13, the spacing support of driver's cabin suspension, 14, the footboard support, 15, the front beam, 16, protection assembly under preceding, 17, protection bracket under preceding, 18, bumper bracket mounting hole.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Example 1

As shown in fig. 1-2, a medium and heavy vehicle combination bracket comprises a mounting base 8, wherein the mounting base 8 comprises a first side surface 11 and a second side surface 10 which are opposite to each other, five groups of longitudinal beam mounting holes 1 and two groups of front cross beam first mounting holes 6 are arranged at the top of the first side surface 11, the central lines of the longitudinal beam mounting holes 1 and the front cross beam first mounting holes 6 are horizontally arranged and are parallel to each other, and the longitudinal beam mounting holes 1 and the front cross beam first mounting holes 6 are respectively used for connecting a longitudinal beam 12 and a front cross beam 15; the second side surface 10 is provided with three groups of pedal bracket mounting holes 3 which are arranged, the central line of each pedal bracket mounting hole 3 is parallel to the central line direction of the longitudinal beam mounting hole 1, the three groups of pedal bracket mounting holes 3 are vertically arranged, the two groups of front cross beam first mounting holes 6 are coincided with the two groups of pedal bracket mounting holes 3 above, the pedal bracket mounting holes 3 are used for being connected with the pedal bracket 14, the pedal bracket mounting holes 3 and the front cross beam first mounting holes 6 share one part of hole sites, the number of holes formed in the mounting seat 8 can be reduced, the processing difficulty is reduced, and the strength of the mounting seat 8 is improved.

The top surface of the mounting seat 8 is provided with two groups of limiting bracket mounting holes 4 with vertically arranged central lines for connecting a cab suspension limiting bracket 13. The below of mount pad 8 is connected with mounting bracket 9, is provided with two sets of preceding protective bracket mounting holes 2 down on the mounting bracket 9, and protective bracket 17 under preceding protective bracket mounting hole 2 was used for connecting before the parallel longeron mounting hole's of central line direction of preceding protective bracket mounting hole 2 central line direction down to protect assembly 16 under before connecting through preceding protective bracket 17 down, improve the protective capacities of vehicle. The preceding terminal surface of mount pad 8 is connected with mounting panel 7, sets up the floor between mounting panel 7 and the mount pad 8, sets up four groups front beam second mounting hole 5 on the mounting panel 7, and front beam 15 is connected from two directions promptly to the central line direction level of the first mounting hole 6 of perpendicular front beam of the central line direction level of front beam second mounting hole 5, improves front beam 15's antitorque commentaries on classics ability. Three groups of bumper bracket mounting holes 18 are formed in the mounting plate 7, and all the three groups of bumper bracket holes are superposed with the front cross beam second mounting hole 5, namely the bumper bracket holes and the front cross beam second mounting hole 5 share part of mounting holes, so that the problem of stress concentration at the complex part of the structure is avoided; the mounting seat 8, the mounting plate 7 and the mounting frame 9 are integrally cast and formed, and have good quality consistency.

Example 2

As shown in fig. 3-4, an integrated frame comprises two bilaterally symmetrical medium-heavy vehicle combination brackets of embodiment 1, wherein the first side surfaces 11 of the two medium-heavy vehicle combination brackets are oppositely arranged, the medium-heavy vehicle combination brackets are arranged outside a longitudinal beam 12 and are connected with the longitudinal beam 12 through longitudinal beam mounting holes 1, the medium-heavy vehicle combination brackets are connected with pedal brackets 14 through pedal bracket mounting holes 3, limit bracket mounting holes 4 are connected with a cab suspension limit bracket 13, one end of a front lower protective bracket 17 is connected with a front lower protective bracket mounting hole 2 and the longitudinal beam 12, the other end of the front lower protective bracket 17 is connected with a front lower protective assembly 16, the end of a front cross beam 15 is connected with a front cross beam first mounting hole 6 and a front cross beam second mounting hole, bumper bracket mounting holes 18 are four groups, three groups are arranged on the medium-heavy vehicle combination brackets and are overlapped with a front cross beam second mounting hole 5, the other set is arranged on the front cross beam 15 and is used for reinforcing the connection with the bumper bracket; the top of the combined bracket of the medium and heavy vehicle is connected with a cab suspension limiting bracket 13 through a limiting bracket mounting hole 4.

The working principle of the utility model is that necessary supports at the front end of a frame are integrally connected through a medium-heavy vehicle combined support, two opposite medium-heavy vehicle combined supports are respectively connected with two ends of a left longitudinal beam, a right longitudinal beam and a front cross beam 15, the outer side of the medium-heavy vehicle combined support can be connected with a pedal support 14, the top can be connected with a cab suspension limiting support 13, the bottom can be connected with a front lower protection assembly 16 through a front lower protection support 17, the front end can be connected with a bumper through a bumper support, the connection structures are all holes, the processing is convenient, different parts can share the same hole site, the structure of the medium-heavy vehicle combined support is simplified, and the stability and the bearing capacity of the structure are ensured.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medium and heavy-duty vehicle combination bracket, characterized in that it comprises a mounting seat (8), the mounting seat (8) comprises a parallel first side (11) and a second side (10), the first side (11) A longitudinal beam mounting hole (1) and a front cross beam first mounting hole (6) are provided, and the front end surface of the mounting seat (8) is provided with a front cross beam second mounting hole (5). The center line of a mounting hole (6) and the longitudinal beam mounting hole (1) are arranged horizontally and parallel to each other, and the center line of the second mounting hole (5) of the front cross beam is horizontally arranged and perpendicular to the longitudinal beam mounting hole ( 1) of the center line.

2. The medium and heavy-duty vehicle combination bracket according to claim 1, characterized in that, the second side surface (10) is provided with a pedal bracket mounting hole (3), and the centerline of the pedal bracket mounting hole (3) is parallel to the center line of the pedal bracket. The center line of the first installation hole (6) of the front cross beam, the pedal bracket installation hole (3) and the first installation hole (6) of the front cross beam have at least one set of hole positions coincident.

3. The medium and heavy-duty vehicle combination bracket according to claim 2, wherein the front end surface of the mounting seat (8) is further provided with a bumper bracket mounting hole (18), and the bumper bracket mounting hole (18) The center line of the front cross member is parallel to the center line of the second installation hole (5) of the front cross member, and the bumper bracket installation hole (18) and the second installation hole (5) of the front cross member have at least one set of holes coincident.

4. The combined bracket for medium and heavy vehicles according to claim 3, characterized in that, the bottom of the first side (11) of the mounting seat (8) is further provided with a front and lower protective bracket mounting hole (2), The center line of the mounting hole (2) of the protective bracket is parallel to the center line of the mounting hole (1) of the longitudinal beam.

5. The medium and heavy-duty vehicle combination bracket according to claim 4, wherein a limit bracket mounting hole (4) is provided on the top surface of the mounting seat (8), and the center of the limit bracket mounting hole (4) Lines are set vertically.

6. The combined bracket for medium and heavy-duty vehicles according to claim 5, characterized in that the bottom of the mounting seat (8) is connected to the mounting bracket (9), and the mounting hole (2) of the front and lower protective bracket is provided in the mounting bracket (9). On the frame (9), the front end surface of the mounting seat (8) is connected to the mounting plate (7), the second mounting hole (5) of the front beam is arranged on the mounting plate (7), and the mounting plate ( 7) The mounting seat (8) and the mounting bracket (9) are integrally formed.

7. The medium and heavy-duty vehicle combination bracket according to claim 2, characterized in that, there are five groups of the first installation holes (6) of the front cross member, three groups of the pedal bracket installation holes (3), and the first installation holes (3) of the front cross member. A mounting hole (6) and the pedal bracket mounting hole (3) have two sets of holes that overlap.

8 . The combined bracket for medium and heavy vehicles according to claim 3 , wherein the bumper bracket mounting holes ( 18 ) overlap with the second mounting holes ( 5 ) of the front cross member in three sets. 9 .

9. An integrated vehicle frame, characterized in that it comprises two sets of left-right symmetrical medium and heavy-duty vehicle composite brackets as claimed in claim 6, wherein the first side surfaces (11) of the two sets of the medium and heavy-duty vehicle composite brackets are opposite to each other, so The medium and heavy-duty vehicle combination bracket is arranged on the outer side of the front end of the longitudinal beam (12), the longitudinal beam mounting hole (1) is connected to the longitudinal beam (12), and the pedal bracket mounting hole (3) is connected to the pedal bracket ( 14), the limit bracket installation hole (4) is connected to the cab suspension limit bracket (13), the front lower protection bracket installation hole (2) is connected to the front lower protection bracket (17), and the front beam is first. A mounting hole (6) and the second mounting hole (5) of the front beam are connected to the front beam, and the bumper bracket mounting hole (18) is connected to the bumper bracket.