CN213619343U

CN213619343U - Transmission shaft middle support bracket of heavy wide-body mining dump truck

Info

Publication number: CN213619343U
Application number: CN202022718786.4U
Authority: CN
Inventors: 金穗; 李璐伶; 沈奇豪
Original assignee: Weichai Yangzhou Special Vehicle Co Ltd
Current assignee: Weichai Yangzhou Special Vehicle Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-06
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a transmission shaft intermediate strut support of heavy wide-bodied mining dump truck, divide into vertical curb plate and horizontal curb plate including L type support, evenly seted up on the vertical curb plate with a plurality of rectangular hole, rectangular hole sets up along vertical extension, and vertical curb plate is fixed with the vehicle crossbeam through the bolt that passes rectangular hole, has evenly seted up a plurality of fixed orificess on the horizontal curb plate, and the bolt that just horizontal curb plate passes through the fixed orifices is fixed with the transmission shaft intermediate strut. The utility model discloses the vertical curb plate and the horizontal curb plate of L type support are fixed with vehicle crossbeam and transmission shaft intermediate strut respectively, convenient to detach installs, need not the great integration supporting beam structure of design volume quality, vertical curb plate is fixed with the vehicle crossbeam through the bolt that passes rectangular hole, allow L type support, transmission shaft intermediate strut and transmission shaft to go up and down in certain vertical position, thereby the beat of transmission shaft when alleviating the vehicle motion satisfies vehicle dynamic motion condition, promote dynamic stiffness, extension transmission shaft life.

Description

Transmission shaft middle support bracket of heavy wide-body mining dump truck

Technical Field

The utility model relates to a mining dump truck part design technical field, concretely relates to transmission shaft middle support frame of heavy wide body mining dump truck.

Background

Aiming at a heavy wide-body mining dump truck, particularly a wide-body mining dump truck with the total mass exceeding 120T is designed, because the wheelbase of a chassis is longer, the traditional one-section transmission shaft structure cannot meet the power transmission between a gearbox and a middle axle, and therefore a two-section transmission shaft structure is required. The front end of the front transmission shaft is connected with a gearbox to transmit the power of the gearbox. The rear section of the transmission shaft adopts a telescopic structure, and the two sections of the transmission shafts are connected by an intermediate support.

At present, for a heavy wide-body mining dump truck adopting two sections of transmission shafts from a gearbox to a middle axle, most of transmission shaft middle supports are designed into a support cross beam form integrally with a vehicle cross beam, and the support cross beam adopts a channel beam structure or a box beam structure. The transmission shaft middle support crossbeam structure in the prior art at least has the following problems:

1. in the prior art, the integrated supporting beam is of a channel beam structure or a box beam structure, so that the volume and the mass are large, and the layout and the use of other systems are influenced;

2. the middle supporting beam in the prior art has single function, no other fixing function, complex process and increased cost; the installation is difficult, and the disassembly is inconvenient;

3. the integrated supporting cross beam in the prior art adopts a rigid fixing mode, when a vehicle moves, a transmission shaft can jump up and down due to road bumping, and the rigid fixing mode cannot relieve the action of the transmission shaft, so that the transmission shaft is easily damaged.

Therefore, it is necessary to develop a novel middle support bracket for a transmission shaft of a heavy wide-body mining dump truck.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support bracket in middle of heavy wide-bodied mining dump truck's transmission shaft to it is great to solve the support crossbeam structure volume quality among the prior art, influences other system layout and use, and the effect is single, and the technology is complicated, and is with high costs, and the difficulty is dismantled in the installation, and the rigid fixation leads to the technical problem that the transmission shaft damaged easily.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a heavy wide-bodied mining dump truck's transmission shaft intermediate strut support, includes L type support, L type support divide into vertical curb plate and horizontal curb plate, evenly seted up on the vertical curb plate with a plurality of rectangular hole, the rectangular hole sets up along vertical extension, vertical curb plate is fixed with the vehicle crossbeam through the bolt that passes the rectangular hole, evenly seted up a plurality of fixed orificess on the horizontal curb plate, and horizontal curb plate is fixed through passing the bolt of fixed orificess and transmission shaft intermediate strut.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the vertical curb plate and the horizontal curb plate of L type support are fixed with vehicle crossbeam and transmission shaft intermediate strut respectively, convenient to detach installs, need not the great integration supporting beam structure of design volume quality, vertical curb plate is fixed with the vehicle crossbeam through the bolt that passes rectangular hole simultaneously, allow L type support, transmission shaft intermediate strut and transmission shaft go up and down in certain vertical position, thereby the beat of transmission shaft when alleviating the vehicle motion satisfies vehicle dynamic motion condition, promote dynamic rigidity, the extension transmission shaft life-span.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

furthermore, the vertical side plates are of an isosceles trapezoid structure with a narrow upper part and a wide lower part.

Through adopting above-mentioned scheme, isosceles trapezoid structure compares in the rectangular structure on the one hand and can alleviate the weight of L type support, and on the other hand also can effective dispersed stress.

Furthermore, the top of the vertical side plate is symmetrically provided with two rows of strip holes, and the middle of the vertical side plate is symmetrically provided with three rows of strip holes.

Through adopting above-mentioned scheme, two rows of five rectangular holes altogether can guarantee that L type support and vehicle crossbeam are fixed stable, also can effectively be spacing to the direction of rise of L type support simultaneously.

Further, the transverse side plates are of rectangular structures.

Furthermore, the four corners of the transverse side plate are symmetrically provided with the fixing holes.

Furthermore, reinforcing ribs are arranged between the vertical side plates and the transverse side plates.

Through adopting above-mentioned scheme, the strengthening rib can effectively increase the intensity and the rigidity of L type support.

Furthermore, the vertical side plate edge and the horizontal side plate edge are provided with circular arc transition.

By adopting the scheme, the potential safety hazard during installation and disassembly is avoided.

Furthermore, the vertical side plates and the transverse side plates are of an integrally formed steel plate structure.

By adopting the scheme, the processing and the manufacturing are convenient, and the strength of the whole structure is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic view of an installation state of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an embodiment of the present invention.

Fig. 4 is a left side view of fig. 3.

Shown in the figure:

1. a vertical side plate; 101. a strip hole;

2. a transverse side plate; 201. a fixing hole;

3. reinforcing ribs;

4. a vehicle cross-member;

5. the transmission shaft is supported in the middle.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the transmission shaft middle support bracket of the heavy wide mining dump truck provided in this embodiment includes an L-shaped bracket, and the L-shaped bracket is divided into a vertical side plate 1 and a horizontal side plate 2.

Vertical curb plate 1 and horizontal curb plate 2 are integrated into one piece's steel sheet structure, obtain through bending the steel sheet, and the manufacturing of being convenient for is through also improving overall structure intensity. The steel plate is a hot-rolled steel plate 10 GB/T709/Q355B GB/T1591 with the thickness of 10 mm.

The included angle between the vertical side plate 1 and the horizontal side plate 2 is set according to the included angle of the two sections of transmission shafts.

Evenly seted up on vertical curb plate 1 with a plurality of rectangular hole 101, rectangular hole 101 sets up along vertical extension, and vertical curb plate 1 is fixed with vehicle crossbeam 4 through the bolt that passes rectangular hole 101.

The vertical side plate 1 is of an isosceles trapezoid structure with a narrow upper part and a wide lower part. Compared with a rectangular structure, the isosceles trapezoid structure can reduce the weight of the L-shaped support, and can effectively disperse stress.

The top of the vertical side plate 1 is symmetrically provided with a row of two strip holes 101, and the middle of the vertical side plate 1 is symmetrically provided with a row of three strip holes 101.

Two rows of five strip holes 101 can ensure that the L-shaped support and the vehicle cross beam 4 are fixed stably, and can also effectively limit the lifting direction of the L-shaped support.

A plurality of fixing holes 201 are uniformly formed in the transverse side plate 2, and the transverse side plate 2 is fixed with the transmission shaft middle support 5 through bolts penetrating through the fixing holes 201. When the transmission shaft middle support is specifically implemented, a transverse strip-shaped hole matched with the fixing hole 201 can be formed in the transmission shaft middle support 5, so that the transverse freedom degree of the transmission shaft is further improved, and the transmission shaft is prevented from being damaged.

The transverse side plate 2 is of a rectangular structure, and fixing holes 201 are symmetrically formed in four corners of the transverse side plate 2.

The welding has two strengthening ribs 3 that are parallel to each other between vertical curb plate 1 and the horizontal curb plate 2, and strengthening rib 3 can effectively increase the intensity and the rigidity of L type support.

1 edge of vertical curb plate and 2 edges of horizontal curb plate all are equipped with the circular arc transition, potential safety hazard when avoiding the installation and dismantling.

Vertical curb plate 1 and horizontal curb plate 2 of this embodiment L type support are fixed with vehicle crossbeam 4 and transmission shaft intermediate strut 5 respectively, convenient to detach installs, need not to design the great integration supporting beam structure of volume quality, vertical curb plate 1 is fixed with vehicle crossbeam 4 through the bolt that passes rectangular hole 101 simultaneously, allow L type support, transmission shaft intermediate strut 5 and transmission shaft go up and down in certain vertical position, thereby alleviate beating of transmission shaft when the vehicle moves, satisfy the vehicle dynamic motion condition, promote dynamic stiffness, the extension transmission shaft life-span.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a heavy wide-bodied mining dump truck's transmission shaft intermediate strut support which characterized in that, includes L type support, L type support divide into vertical curb plate and horizontal curb plate, evenly seted up on the vertical curb plate with a plurality of rectangular hole, the rectangular hole sets up along vertical extension, vertical curb plate is fixed with the vehicle crossbeam through the bolt that passes the rectangular hole, evenly seted up a plurality of fixed orificess on the horizontal curb plate, and horizontal curb plate is fixed through the bolt that passes the fixed orifices and transmission shaft intermediate strut.

2. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to claim 1, wherein the vertical side plate is of an isosceles trapezoid structure with a narrow top and a wide bottom.

3. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to claim 2, wherein a row of two elongated holes is symmetrically formed at the top of the vertical side plate, and a row of three elongated holes is symmetrically formed at the middle of the vertical side plate.

4. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to claim 1, wherein the lateral side plate has a rectangular structure.

5. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to claim 4, wherein the fixing holes are symmetrically formed at four corners of the transverse side plate.

6. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to claim 1, wherein a reinforcing rib is arranged between the vertical side plate and the transverse side plate.

7. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to claim 1, wherein the vertical side plate corners and the transverse side plate corners are provided with arc transitions.

8. The middle support bracket for the transmission shaft of the heavy wide-bodied mining dump truck according to any one of claims 1 to 7, wherein the vertical side plate and the transverse side plate are of an integrally formed steel plate structure.