CN218892607U

CN218892607U - Tube beam device for engineering truck

Info

Publication number: CN218892607U
Application number: CN202223286556.0U
Authority: CN
Inventors: 闫毅; 华靓; 吉强文; 刘云鑫; 秦立富; 李玉; 陈浩宇; 刘丽丽
Original assignee: Baic Heavy Truck Co Ltd
Current assignee: Baic Heavy Truck Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-21
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a tubular beam device for engineering truck, comprising: square tube section bar, plate spring bracket and casting base; the casting base includes: pedestal, fastening plate and pylon, the pylon inlays and is arranged in square pipe section bar port inside and with square pipe section bar welding, and the fastening plate passes through bolt and leaf spring support integration. The pipe beam device is integrated with the plate spring bracket, and the square pipe section bar is integrated on the casting base through welding, so that the pipe beam device has the advantages of stable structure, dispersed stress, difficult generation of stress concentration, high reliability and stability, improvement of the torsion resistance of the frame, increase of the frame strength, alleviation of shaking of the whole vehicle, low cost and light weight.

Description

Tube beam device for engineering truck

Technical Field

The utility model relates to the technical field of engineering trucks, in particular to a tubular beam device for an engineering truck.

Background

The engineering truck is one kind of truck and is used mainly in road and engineering transportation. As engine horsepower increases, torque is also increasing, and thus demands are also increasing on frame strength and torsional resistance of the suspension system. However, in the event of a space occupation of the powertrain, the frame rails are relatively weakened, and therefore a structure is required to replace the torsion resistance provided by the original frame rails to strengthen the frame. At present, the suspended pocket beam assembly is generally adopted to realize torsion resistance, but the stamping structure of the pocket Liang Duowei sheet metal part in the prior art is high in cost, heavy in weight, uneven in stress, easy to tear and not suitable for driving in poor road surface environments such as pits.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a tubular beam device for an engineering truck. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

The utility model adopts the following technical scheme:

in some alternative embodiments, there is provided a tubular beam device for an engineering truck, comprising: square tube section bar, plate spring support and casting base which are arranged at two ends of the square tube section bar;

the casting base includes: the square tube type welding device comprises a base body, a fastening plate and a column platform arranged at the bottom of the base body, wherein the column platform is embedded in a square tube type section port and welded with the square tube type section, the fastening plate is arranged at the end part of the base body, and a plurality of first mounting platforms are arranged at the outer edge of the fastening plate;

the lifting lug pin shaft mounting plate of the plate spring support is provided with a second mounting table at a position corresponding to the first mounting table, and screw holes are formed in the first mounting table and the second mounting table.

Further, the leaf spring support includes: a vertical frame transverse mounting plate and a vertical frame mounting plate; the frame vertical mounting plate is arranged on the frame transverse mounting plate; the frame transverse mounting plate is provided with a third mounting table which is used for being connected with the bottom of the frame longitudinal beam, and the frame vertical mounting plate is provided with a fourth mounting table which is used for being connected with the outer side face of the frame longitudinal beam.

Further, the lifting lug pin shaft mounting plate is arranged on the frame transverse mounting plate and is parallel to the fastening plate, and a fifth mounting table for mounting the lifting lug pin shaft is arranged on the lifting lug pin shaft mounting plate.

Further, the lifting lug pin shaft mounting plate is further provided with a reinforcing rib, and two ends of the reinforcing rib are respectively connected to the second mounting table and the fifth mounting table.

Further, the second installation platforms are uniformly distributed around the fifth installation platform, and the reinforcing ribs are arranged around the fifth installation platform in a scattering mode.

Further, the leaf spring support further includes: the reinforcing plate, reinforcing plate one end with the top of the vertical mounting panel of frame is connected, the other end with the rear end of the horizontal mounting panel of frame is connected.

The utility model has the beneficial effects that: the pipe beam device is integrated with the plate spring bracket, the square pipe section bar is integrated on the casting base through welding, the plate spring bracket, the casting base and the square pipe section bar are matched and installed on the frame, the structure is stable, the stress is dispersed, the stress concentration is not easy to generate, the reliability and the stability are high, the torsion resistance of the frame is improved, the frame strength is increased, the shaking of the whole vehicle is relieved, and the pipe beam device also has the advantages of low cost and light weight.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a tubular beam device for an engineering truck according to the present utility model;

FIG. 2 is a schematic view of the construction of the leaf spring support of the present utility model;

FIG. 3 is a schematic view of the casting base of the present utility model;

fig. 4 is a schematic view of the structure of the tubular beam apparatus of the present utility model mounted to a vehicle frame.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, in some illustrative embodiments, the present utility model provides a tube beam device for an engineering truck, comprising: the plate spring bracket 1, the cast base 2 and the square tube profile 3 act on the lower side of the gearbox. The number of the plate spring supports 1 and the number of the casting bases 2 are two, and the plate spring supports are respectively arranged at two ends of the square tube section bar 3.

The square tube section bar 3 is used as a tubular beam main body of the tubular beam device, is formed by stamping a tubular section bar with a rectangular section, has uniform stress on the square tubular section bar, low cost, light weight and small structure, and can further improve the stability and reliability of the tubular beam device. The two ends of the square tube section bar 3 are integrated on the casting base 2 through welding, the casting base 2 is fixed on the plate spring support 1 through bolts, and the plate spring support 1 is connected with the frame longitudinal beam 4, so that torsion resistance is achieved, and the frame strength is improved.

The casting base 2 includes: the base 201, the fastening plate 202 and the post 203 are integrally formed by casting. A fastening plate 202 is provided at the end of the seat body 201 for connection with the leaf spring bracket 1; a pylon 203 is provided at the bottom of the seat 201 for connection with the square tube profile 3.

The outer edge of the fastening plate 202 is uniformly provided with a plurality of first mounting tables 2021, and the thickness of the first mounting tables 2021 is greater than that of the fastening plate 202 so as to improve the connection strength of the components. The size and shape of the pylon 203 are matched with those of the square tube section 3, so that the pylon 203 can be embedded in the port of the square tube section 3 and welded with the square tube section 3 during installation.

The second mounting table 1031 is arranged on the lifting lug pin shaft mounting plate 103 of the plate spring support 1 at a position corresponding to the first mounting table 2021, screw holes are formed in the first mounting table 2021 and the second mounting table 1031, and when the plate spring support is mounted, the fastening plate 202 is aligned with the lifting lug pin shaft mounting plate 103 and is fastened and connected through bolts, so that the integration of the casting base 2 and the plate spring support 1 is realized.

The structural design and the arrangement of the components enable the tubular beam device forming assembly to be fixed on the frame and act on the lower side of the gearbox, the lower side of the gearbox is a power output end, and the power output end acts on the position, so that the excessive longitudinal torsion phenomenon of the frame can be prevented, the frame strength can be improved, the shaking of the frame is relieved, meanwhile, the function of fixing the plate spring lifting lug assembly by the plate spring bracket is inherited, and a good shock absorption function is achieved.

The leaf spring support 1 includes: a frame transverse mounting plate 101, a frame vertical mounting plate 102, a lifting lug pin shaft mounting plate 103 and a reinforcing plate 104. The leaf spring support 1 is subjected to topological optimization, QT800-10 material is used, and on the premise of guaranteeing reliability, hollowed-out treatment is carried out, so that the weight is reduced.

The frame vertical mounting plate 102 is provided on the frame lateral mounting plate 101 and is perpendicular to the frame lateral mounting plate 101. A third mounting stand 1011 is provided on the frame transverse mounting plate 101, and a fourth mounting stand 1021 is provided on the frame vertical mounting plate 102. The third mount table 1011 is used for being connected with frame longeron 4 bottom, and fourth mount table 1021 is used for being connected with frame longeron 4 lateral surface, and offers the screw on third mount table 1011 and the fourth mount table 1021, and leaf spring support 1 passes through the bolt to be connected with the frame assembly, and structural arrangement is reasonable for it is more firm to connect, guarantees whole car stability of traveling.

The lifting lug pin shaft mounting plate 103 is arranged on the front end face of the frame transverse mounting plate 101, and the lifting lug pin shaft mounting plate 103 is parallel to the fastening plate 202, so that the plate spring bracket 1 and the casting base 2 can be tightly attached. The fifth mounting table 1032 for mounting the lifting lug pin shaft is arranged on the lifting lug pin shaft mounting plate 103, so that the utility model can inherit the effect of fixing the plate spring lifting lug assembly by the plate spring bracket and plays a good role in damping.

One end of the reinforcing plate 104 is connected with the top of the frame vertical mounting plate 102, and the other end is connected with the rear end of the frame horizontal mounting plate 101, so that the firmness of the plate spring bracket 1 is improved.

The lifting lug pin shaft mounting plate 103 is further provided with a reinforcing rib 1033, two ends of the reinforcing rib 1033 are respectively connected to the second mounting table 1031 and the fifth mounting table 1032, strength of the lifting lug pin shaft mounting plate 103 is improved, and deformation possibility of the lifting lug pin shaft mounting plate is reduced. Preferably, the second mounting tables 1031 are uniformly distributed around the fifth mounting table 1032, and the reinforcing ribs 1033 are arranged around the fifth mounting table 1032 in a scattering manner, so that the stress is more uniform, and tearing caused by uneven stress is avoided.

The tubular beam device is fixed on the outer side of a frame, at the lifting lug of a front suspension plate spring, a bicycle is assembled, and the tubular beam device is arranged at the lower part of a gearbox according to a certain space distance during specific installation. The leaf spring support 1, the casting base 2 and the square tube section bar 3 are matched and installed on the frame, the structure is stable, the stress is dispersed, the stress concentration is not easy to generate, the reliability and the stability are high, the torsion resistance of the frame is improved, the frame strength is increased, and the shake of the whole vehicle is slowed down. Compared with the original sheet metal structure, the processing cost is reduced by 70%, the weight is further reduced, and the requirements of market light weight and low cost of the whole vehicle are met under the condition of ensuring the same functions.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides a tube beam device for engineering truck which characterized in that includes: square tube section bar, plate spring support and casting base which are arranged at two ends of the square tube section bar;

2. The pipe beam device for an engineering truck according to claim 1, wherein the plate spring bracket comprises: a vertical frame transverse mounting plate and a vertical frame mounting plate;

the frame vertical mounting plate is arranged on the frame transverse mounting plate;

the frame transverse mounting plate is provided with a third mounting table which is used for being connected with the bottom of the frame longitudinal beam, and the frame vertical mounting plate is provided with a fourth mounting table which is used for being connected with the outer side face of the frame longitudinal beam.

3. The pipe beam device for engineering truck according to claim 2, wherein the lifting lug pin shaft mounting plate is arranged on the frame transverse mounting plate and parallel to the fastening plate, and a fifth mounting table for mounting the lifting lug pin shaft is arranged on the lifting lug pin shaft mounting plate.

4. The pipe beam device for engineering truck according to claim 3, wherein the lifting lug pin shaft mounting plate is further provided with a reinforcing rib, and two ends of the reinforcing rib are respectively connected to the second mounting table and the fifth mounting table.

5. The pipe beam device for engineering truck according to claim 4, wherein the second installation platforms are uniformly distributed around the fifth installation platform, and the reinforcing ribs are arranged around the fifth installation platform in a scattering mode.

6. The pipe beam device for an engineering truck according to claim 5, wherein the plate spring bracket further comprises: the reinforcing plate, reinforcing plate one end with the top of the vertical mounting panel of frame is connected, the other end with the rear end of the horizontal mounting panel of frame is connected.