Adjustable front lower protector for heavy commercial vehicle

Abstract

The utility model discloses an adjustable front lower protection device for a heavy commercial vehicle. The adjustable front lower protection device comprises a cross beam assembly and two supports which are symmetrically arranged and connected with the front end of a longitudinal beam of a vehicle frame. The cross beam assembly comprises a suspension cross beam and a mounting frame arranged on the suspension cross beam, and a positioning screw hole is formed in the mounting frame; the bracket comprises a tubular main body and a longitudinal beam ventral surface mounting plate; a plurality of groups of adjusting screw holes are formed in two sides of the tubular main body from top to bottom; and the tubular main body is connected with the mounting frame through bolts. A cross beam assembly in the front lower protection is connected with a support through bolts, adjustment of the terrain clearance is achieved, universality and consistency are improved, and different configuration requirements of different vehicles are met. A split structure is adopted, split installation can be achieved during installation, the cost of production equipment is reduced, the installation efficiency is improved, and meanwhile the after-sales service cost and the transportation cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heavy-duty commercial vehicles, in particular to an adjustable front lower protection for a heavy-duty commercial vehicle. Background Art

[0002] The heavy vehicle front underbody protection can effectively prevent small cars from drilling into the bottom in the event of a head-on collision, thereby reducing the severity of injuries in traffic accidents.

[0003] At present, the front underbody protection of heavy-duty vehicles is connected by welding, and then fixed to the front end of the frame longitudinal beam by bolts after being connected as a whole. Therefore, the installation height is fixed and cannot be adjusted adaptively. With the diversification of automobile configurations, different models need to be redesigned to meet the legal ground clearance requirements when matching different tires and suspension specifications, resulting in a wide variety of types and poor versatility.

[0004] In addition, since the front lower protection assembly structure of heavy-duty vehicles is currently welded, it is large in size and heavy in weight, and requires special small lifting equipment during installation, which increases production costs and reduces installation efficiency. When replacing, the entire assembly needs to be replaced, which increases after-sales costs. Summary of the invention

[0005] In order to solve the above technical problems, the utility model provides an adjustable front lower guard for a heavy commercial vehicle. In order to have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a general review, nor is it intended to identify key / important components or describe the scope of protection of these embodiments. Its only purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

[0006] The utility model adopts the following technical solutions:

[0007] Provided is an adjustable front lower protection for a heavy-duty commercial vehicle, comprising: a crossbeam assembly and two brackets symmetrically arranged and connected to the front end of a frame longitudinal beam;

[0008] The crossbeam assembly comprises: a suspension crossbeam and a mounting frame arranged on the suspension crossbeam, and a positioning screw hole is provided on the mounting frame;

[0009] The bracket comprises: a tubular body and a longitudinal beam belly mounting plate, wherein the longitudinal beam belly mounting plate is arranged on the top of the tubular body and the longitudinal beam belly mounting plate is also provided with belly mounting screw holes, and a plurality of groups of adjustment screw holes are provided on both sides of the tubular body from top to bottom;

[0010] The tubular body is connected to the mounting bracket by bolts.

[0011] Furthermore, the mounting frame includes: a U-shaped reinforcement and two fasteners arranged on the U-shaped reinforcement; the U-shaped reinforcement is welded to the suspension beam; the two fasteners are spaced a certain distance apart to form a mounting groove, the tubular body is embedded in the mounting groove, and the two fasteners have the positioning screw holes on the side facing the mounting groove.

[0012] Furthermore, each of the fasteners has four positioning screw holes, and the four positioning screw holes are arranged in two rows, each row having two positioning screw holes; four groups of adjustment screw holes are opened on both sides of the tubular body from top to bottom, and each group has two adjustment screw holes.

[0013] Furthermore, the bracket also includes: a longitudinal beam wing surface mounting piece; the longitudinal beam wing surface mounting piece is arranged on the side of the tubular body facing the frame, and the longitudinal beam wing surface mounting piece is also provided with a wing surface mounting screw hole.

[0014] Furthermore, the tubular body is a hollow cylindrical structure with a rounded rectangular cross-section; a triangular notch is provided on the outer side of the tubular body, a reinforcing cross plate is arranged inside the tubular body, and a circular hole is provided on the inner side of the tubular body at a position corresponding to the longitudinal beam wing surface mounting part.

[0015] Furthermore, the bracket also includes: a panel mounting member, and the panel mounting member is arranged at the front end of the longitudinal beam belly surface mounting plate.

[0016] Furthermore, weight-reducing holes are provided on the panel mounting piece and the longitudinal beam belly mounting plate.

[0017] Beneficial effects brought by the utility model:

[0018] 1. The crossbeam assembly and the bracket in the front lower protection are connected by bolts, and the structural design of the crossbeam assembly and the bracket of the present application can adjust the height from the ground, thereby improving the versatility and consistency of the front lower protection and meeting the different configuration requirements of different vehicles;

[0019] 2. The front lower protection adopts a split structure, which can be installed separately during installation, reducing the cost of production equipment and improving installation efficiency, while reducing after-sales service costs and transportation costs;

[0020] 3. Under the premise of achieving adjustability, the structural design of the present application also has the advantages of structural stability and easy installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the structure of an adjustable front lower guard for a heavy commercial vehicle of the utility model;

[0023] Figure 2 It is a schematic diagram of the utility model when the front lower guard is installed on the vehicle frame;

[0024] Figure 3 It is a structural schematic diagram of the utility model crossbeam assembly;

[0025] Figure 4 It is a structural schematic diagram of the support of the utility model. DETAILED DESCRIPTION

[0026] The following is a detailed description of the embodiments of the utility model in conjunction with the accompanying drawings. It should be clear that the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-4 As shown, in some illustrative embodiments, an adjustable front lower protection for a heavy commercial vehicle is provided, which adopts a split structure and includes: a crossbeam assembly 1 and a bracket 2.

[0028] The upper part of the bracket 2 is connected to the front end of the frame longitudinal beam 3, and the lower part of the bracket 2 is connected to the crossbeam assembly 1. There are two brackets 2, and the two brackets 2 are symmetrically arranged and spaced a certain distance apart.

[0029] The crossbeam assembly 1 includes: a suspension crossbeam 4 and two mounting brackets, the mounting brackets are used to achieve the connection between the suspension crossbeam 4 and the bracket 2, and one mounting bracket corresponds to one bracket 2. Specifically, the mounting bracket is arranged on the inner side of the suspension crossbeam 4, that is, the side of the suspension crossbeam 4 facing the vehicle frame, and the mounting bracket includes: a U-shaped reinforcement member 5 and two fasteners 6 arranged on the U-shaped reinforcement member 5.

[0030] The U-shaped reinforcement 5 is welded on the suspension beam 4. The fastener 6 is triangular in shape, and the length of the fastener 6 located on the outside is greater than the length of the fastener 6 located on the inside. The two fasteners 6 on the U-shaped reinforcement 5 are spaced a certain distance apart to form a mounting groove 101, and the two fasteners 6 have positioning screw holes 102 on the side facing the mounting groove 101. There are four positioning screw holes 102 on each fastener 6, and the four positioning screw holes 102 are arranged in two rows, each row having two positioning screw holes 102, that is, the four positioning screw holes 102 on each fastener 6 are opened in a second-order matrix form, with a spacing of 40 mm.

[0031] The bracket 2 includes: a tubular body 201 , a longitudinal beam belly surface mounting plate 202 , a longitudinal beam wing surface mounting member 204 , and a panel mounting member 205 .

[0032] The tubular body 201 is a hollow columnar structure with a rounded rectangular cross section, which is light in weight and has a certain strength after being connected. The tubular body 201 is embedded in the installation groove 101, and a plurality of groups of adjusting screw holes 203 are provided on both sides of the tubular body 201 from top to bottom, specifically four groups of adjusting screw holes 203, each group has two adjusting screw holes 203, and the spacing is 40mm, and the spacing between the upper and lower adjusting screw holes 203 is also 40mm.

[0033] The tubular body 201 is connected to the mounting frame by bolts. By selecting any two sets of adjacent adjustment screw holes 203 for installation, three levels of height adjustment can be formed, and the spacing of each level is 40mm. The ground clearance of the crossbeam assembly 1 is adjustable, which is convenient for different models to meet the legal ground clearance requirements when matching different tires and suspension specifications.

[0034] The longitudinal beam belly mounting plate 202 is arranged on the top of the tubular body 201. The longitudinal beam belly mounting plate 202 is also provided with belly mounting screw holes 2021, which are used to connect with the belly plate 301 of the frame longitudinal beam. During installation, the longitudinal beam belly mounting plate 202 is attached to the outer side of the belly plate 301 and fixed with bolts.

[0035] The longitudinal beam wing surface mounting member 204 is arranged on the inner side of the tubular body 201, and the inner side of the tubular body 201 refers to the side of the tubular body 201 facing the vehicle frame. The longitudinal beam wing surface mounting member 204 is also provided with a wing surface mounting screw hole 2041, and the wing surface mounting screw hole 2041 is used to connect with the lower wing plate 302 of the frame longitudinal beam. During installation, the longitudinal beam wing surface mounting member 204 is attached to the lower wing plate 302 and fixed with bolts.

[0036] The panel mounting member 205 is arranged at the front end of the longitudinal beam belly mounting plate 202, and is used to connect with the front lower protection panel. The tubular body 201, the longitudinal beam belly mounting plate 202 and the panel mounting member 205 are an integrally formed structure.

[0037] A triangular notch is provided on the outside of the tubular body 201, a reinforcing cross plate 206 is provided inside the tubular body 201, and a circular hole 207 is provided on the inside of the tubular body 201 at a position corresponding to the longitudinal beam wing surface mounting member 204, so as to facilitate the mounting of the longitudinal beam wing surface mounting member 204 on the tubular body 201, and to achieve weight reduction while ensuring structural strength.

[0038] Both the panel mounting member 205 and the longitudinal beam belly mounting plate 202 are provided with weight-reducing holes 208 .

[0039] The front lower protection of this embodiment adopts a split structure, including left and right brackets 2 and a crossbeam assembly 1. Split transportation is adopted during transportation, and split installation can be adopted during installation. First, the left and right brackets 2 and the frame longitudinal beam 3 are bolted together, and then the crossbeam assembly 1 is connected to the bracket 2 by bolts. On the one hand, due to the adjustable front lower protection of the utility model, the height of the crossbeam assembly 1 from the ground is adjustable, which is convenient for different car models to meet the legal ground height requirements when matching different tires and suspension specifications, thereby greatly improving the versatility and consistency of the front lower protection. On the other hand, the adjustable front lower protection of the utility model adopts a split structure, which effectively reduces the cost of production equipment and improves installation efficiency, while reducing after-sales service costs and transportation costs.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An adjustable front lower guard for a heavy commercial vehicle, characterized in that: include: A crossbeam assembly and two brackets symmetrically arranged and connected to the front ends of the frame longitudinal beams; The crossbeam assembly comprises: a suspension crossbeam and a mounting frame arranged on the suspension crossbeam, and a positioning screw hole is provided on the mounting frame; The bracket comprises: a tubular body and a longitudinal beam belly mounting plate, wherein the longitudinal beam belly mounting plate is arranged on the top of the tubular body and the longitudinal beam belly mounting plate is also provided with belly mounting screw holes, and a plurality of groups of adjustment screw holes are provided on both sides of the tubular body from top to bottom; The tubular body is connected to the mounting bracket by bolts.

2. The adjustable front lower protection for heavy commercial vehicles according to claim 1 is characterized in that: The mounting frame comprises: a U-shaped reinforcement member and two fastening members arranged on the U-shaped reinforcement member; The U-shaped reinforcement is welded on the suspension beam; The two fasteners are spaced a certain distance apart to form a mounting channel, the tubular body is embedded in the mounting channel, and the two fasteners are provided with the positioning screw holes on a side facing the mounting channel.

3. The adjustable front lower protection for heavy commercial vehicles according to claim 2 is characterized in that: Each of the fasteners has four positioning screw holes arranged in two rows, each row having two positioning screw holes; four groups of adjustment screw holes are provided on both sides of the tubular body from top to bottom, each group having two adjustment screw holes.

4. The adjustable front lower protection for heavy commercial vehicles according to claim 2 is characterized in that: The bracket further comprises: a longitudinal beam wing surface mounting piece; the longitudinal beam wing surface mounting piece is arranged on a side of the tubular body facing the vehicle frame, and the longitudinal beam wing surface mounting piece is also provided with a wing surface mounting screw hole.

5. The adjustable front lower protection for heavy commercial vehicles according to claim 4, characterized in that: The tubular body is a hollow columnar structure with a rounded rectangular cross section; a triangular notch is provided on the outer side of the tubular body, a reinforcing cross plate is arranged inside the tubular body, and a circular hole is provided on the inner side of the tubular body at a position corresponding to the longitudinal beam wing surface mounting piece.

6. The adjustable front lower protection for heavy commercial vehicles according to claim 5, characterized in that: The bracket further comprises: a panel mounting member, wherein the panel mounting member is arranged at the front end of the longitudinal beam belly surface mounting plate.

7. The adjustable front lower protection for heavy commercial vehicles according to claim 6, characterized in that: The panel mounting piece and the longitudinal beam belly mounting plate are both provided with weight-reducing holes.

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