CN221090995U

CN221090995U - Tractor hood assembly

Info

Publication number: CN221090995U
Application number: CN202321023784.0U
Authority: CN
Inventors: 肖毅; 黄友庆; 陈昊
Original assignee: Changzhou Changfa Agriculture Equipment Engineering Technology Research Co ltd; Jiangsu Changfa Agricultural Equipment Co Ltd
Current assignee: Changzhou Changfa Agriculture Equipment Engineering Technology Research Co ltd; Jiangsu Changfa Agricultural Equipment Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2024-06-07
Anticipated expiration: 2033-04-28

Abstract

The present utility model provides a tractor hood assembly comprising: the steering mechanism comprises a machine cover body, a turnover mechanism and a power assisting component, wherein the turnover mechanism is used for connecting the machine cover body with a cab front coaming of a tractor, the turnover mechanism comprises a portal frame fixed with the cab front coaming and a turnover support rotationally connected with the portal frame and fixed with a top plate, the portal frame comprises two side beams symmetrically arranged and a beam arranged in the middle of the two side beams and fixed with the two side beams, the end part of the side beams, far away from the cab front coaming, is provided with a connecting piece, the power assisting component comprises two gas springs, one end of each gas spring is rotationally connected with the machine cover body, and the other end of each gas spring is rotationally connected with the connecting piece. According to the utility model, the gas spring is fixed on the connecting piece at the front end of the portal frame, so that the mounting strength of the gas spring and the stability of controlling the overturning of the hood body are improved, meanwhile, the occupied space in the hood body is reduced, and the problem of mounting interference caused by the configuration change of the vehicle body is avoided.

Description

Tractor hood assembly

Technical Field

The utility model relates to the technical field of tractors, in particular to a tractor hood assembly.

Background

The hood is a main covering part of the tractor, forms a space for accommodating components such as an engine and the like, provides safe working conditions for operators, reduces accidents, ensures that the engine and parts thereof are prevented from being damaged by other objects due to the influence of external natural conditions, and provides convenience for repairing and maintaining the tractor. At present, the hood is generally connected with the bottom frame of the hood inner space by the gas spring at the front end, and the rear end is provided with a bracket serving as a rotating shaft, but the connecting mode ensures that the space occupied by the gas spring at the mounting position is large, and the gas spring is easy to interfere with the mounting of other parts in the hood, so that the hood inner space is not beneficial to reasonable utilization.

Accordingly, there is a need for a tractor hood assembly that overcomes the above-identified deficiencies.

Disclosure of utility model

It is an object of the present utility model to provide a tractor hood assembly.

According to one aspect of the present utility model there is provided a tractor hood assembly comprising:

A hood body;

The turnover mechanism is used for connecting the hood body with a tractor cab front coaming, the turnover mechanism comprises a portal frame fixed with the cab front coaming and a turnover support rotationally connected with the portal frame and fixed with the top plate, the portal frame comprises two side beams symmetrically arranged and a cross beam arranged in the middle of the two side beams and fixed with the two side beams, the upper surface of the cross beam is provided with a rotation connecting part rotationally connected with the turnover support, the end part of the side beam, far away from the cab front coaming, is provided with a connecting piece, and the connecting piece extends downwards from the side beams;

The power assisting assembly comprises two gas springs, the gas springs are symmetrically arranged on two sides of the inside of the hood body, one end of each gas spring is rotationally connected with the hood body, and the other end of each gas spring is rotationally connected with the connecting piece.

Preferably, the portal frame further comprises a reinforcing beam obliquely arranged between the side beam and the cab front wall plate, two ends of the reinforcing beam are respectively fixed with the side beam and the cab front wall plate, and the reinforcing beam obliquely extends from the cab front wall plate to the side beam in a vertical plane perpendicular to the cab front wall plate and is used for supporting the side beam.

Preferably, the rotation connecting portion comprises a first riser and a second riser which are arranged in parallel, through holes are formed in the tops of the first riser and the second riser, a first folding edge which is bent away from the second riser is arranged on the side edge of the first riser, a second folding edge which is bent away from the first riser is arranged on the opposite side of the second riser to the side where the first folding edge is located, and the bottoms of the first folding edge and the second folding edge are downwards protruded out of the upper surface of the cross beam.

Preferably, the cross member is located above the engine within the hood body.

Preferably, the overturning bracket comprises a fixed plate fixed with the hood body, a transition plate bent from the fixed plate to the cross beam and shaft sleeves arranged on two sides of the transition plate, wherein the shaft sleeves are respectively positioned between the first vertical plate and the second vertical plate of the connecting parts on two sides and are connected in a rotating manner through a pin shaft.

Preferably, the two sides of the turnover support are provided with reinforcing ribs, and the reinforcing ribs are positioned between the fixing plate and the connecting part and extend from the lower surface of the fixing plate to the shaft sleeve.

Preferably, the gas spring is rotationally connected with the hood body by adopting a universal joint rotating mechanism, and the gas spring is rotationally connected with the connecting piece by adopting the universal joint rotating mechanism.

Preferably, the hood body comprises a top plate and side cover plates positioned below the top plate, wherein fixing parts are arranged on two sides of the top plate and used for being fixed with the universal rotating mechanism at the end part of the gas spring.

Preferably, the outside of portal frame just is located and is provided with behind the aircraft bonnet body and the cab dash board between, behind the aircraft bonnet slat covers in the portal frame periphery for compensate the clearance between aircraft bonnet body and the cab dash board and also play the shielding function simultaneously.

Compared with the prior art, the tractor hood assembly provided by the utility model has the following beneficial effects:

By adopting the technical scheme, the utility model has the advantages of simple structure, ingenious design and low cost, the supporting point of the hood body is attached to the portal frame by fixing the gas spring on the connecting piece at the front end of the portal frame, the gas spring with shorter length can be adopted, the mounting strength of the gas spring and the stability for controlling the turning of the hood body are improved, meanwhile, the mounting mode can improve the stability of the hood support, meanwhile, the occupied space in the hood body is reduced, and the problem of mounting interference caused by the change of the configuration of the vehicle body is avoided.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a perspective view of a tractor hood assembly of the present utility model;

FIG. 2 is a cross-sectional view of the tractor hood assembly of the present utility model;

FIG. 3 is a schematic diagram of the turnover mechanism of the present utility model;

FIG. 4 is an enlarged view of a portion of the gantry of the present utility model;

Fig. 5 is a perspective view of the flip bracket of the present utility model.

The engine cover comprises an engine cover body, a a1. top plate, an a2 side cover plate, a a3. fixing part, a B tilting mechanism, a1 portal frame, 11 side beams, 12 cross beams, 13 rotary connecting parts, 131, a first vertical plate, 132, a second vertical plate, 133, a first folding edge, 134, a second folding edge, 14, a connecting piece, 15, a reinforcing beam, 2 a tilting bracket, 21, a fixing plate, 22, a transition plate, 23, a shaft sleeve, 24, reinforcing ribs, 3, a gas spring, 4 a universal joint rotating mechanism, 5, a cab front panel and 6 a rear panel of the engine cover.

Detailed Description

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.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

Referring to fig. 1 and 2, a tractor hood assembly includes a hood body a, a turnover mechanism B, and a booster assembly. The hood body A is arranged at the front end of the cab and is fixed with the cab dash panel 5 through the turnover mechanism B. The hood body A comprises a top plate a1 and side cover plates a2 positioned below the top plate a1, wherein fixing parts a3 are arranged on two sides of the inside of the top plate a1 and used for being fixed with the power assisting assembly. The power assisting component comprises two gas springs 3 which are symmetrically arranged inside the hood body A.

Referring to fig. 3, the tilting mechanism B includes a portal frame 1 fixed to a cab dash 5, and a tilting bracket 2 rotatably connected to the portal frame 1 and fixed to a roof a 1. The portal frame 1 includes two side beams 11 symmetrically arranged, and a cross beam 12 provided in the middle of the two side beams 11 and fixed to the two side beams 11. The beam 12 is positioned above the engine in the hood body A, and the upper surface of the beam 12 is provided with a rotary connecting part 13 which is rotationally connected with the turnover bracket 2. The end of the side member 11 away from the cab apron 5 is provided with a connecting member 14, the connecting member 14 extending vertically downward from the side member 11, the connecting member 14 being located above both sides of the engine in the hood body a.

The portal frame 1 further includes a reinforcement beam 151 provided obliquely between the side sill 11 and the cab dash 5, and both ends of the reinforcement beam 15 are fixed to the side sill 11 and the cab dash 5, respectively. The reinforcement beam 15 extends obliquely from the cab apron 5 to the side sill 11 in a vertical plane perpendicular to the cab apron 5 for supporting the side sill 11 so that the overall structure of the portal frame 1 is more stable and has higher strength.

Referring to fig. 4, the rotation connection part 13 is located at both sides of the upper surface of the cross beam 12, and the rotation connection part 13 includes a first riser 131 and a second riser 132 arranged in parallel, and the tops of the first riser 131 and the second riser 132 are provided with through holes. The side of first riser 131 is equipped with the first hem 133 of buckling to keeping away from second riser 132, and the second riser 132 is equipped with the second hem 134 of buckling to keeping away from first riser 131 with the opposite side of first hem 133 place side, and the bottom of first hem 133 and second hem 134 all protrudes downwards in the upper surface of crossbeam 12, plays spacing fixed action, makes the structure of rotating connecting portion 13 more stable firm.

Referring to fig. 5, the roll-over stand 2 includes a fixing plate 21 fixed to the hood body a, a transition plate 22 bent from the fixing plate 21 toward the cross member 12, and bosses 23 provided at both side bottom ends of the transition plate 22. The shaft sleeve 23 is respectively positioned between the first vertical plate 131 and the second vertical plate 132 of the two-side rotation connecting part, and passes through the through hole and the shaft sleeve 23 through the pin shaft to realize rotation connection.

The two sides of the turnover support 2 are provided with reinforcing ribs 24, and the reinforcing ribs 24 are positioned between the fixed plate 21 and the transition plate 22 and extend from the lower surface of the fixed plate 21 to the shaft sleeve 23. One end of the air spring 3 is rotationally connected with the fixing part a3 on two sides of the top plate a1 by adopting the universal joint rotating mechanism 4, and the other end of the air spring is rotationally connected with the connecting piece 14 by adopting the universal joint rotating mechanism 4.

Referring to fig. 2, by fixing the gas spring 3 on the connecting piece 14 at the front end of the portal frame 1, the supporting point of the hood body a is attached to the portal frame 1, so that the gas spring 3 with a shorter length can be adopted to connect the hood body a and the portal frame 1, the installation strength of the gas spring 3 and the stability of controlling the turning of the hood body a are improved, meanwhile, the occupied space is reduced, the previous fixing mode of the connection with the supporting beam at the bottom of the vehicle body is changed, and the problem of installation interference caused by the change of the configuration of the vehicle body is avoided.

Referring to fig. 1, a hood rear slat 6 is provided outside the portal frame 1 and between the hood body a and the cab apron 5, and the hood rear slat 6 covers the periphery of the portal frame 1 for making up a gap between the hood body a and the cab apron 5 and also functioning as a cloak.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present utility model without departing from the spirit and scope of the utility model. Therefore, it is intended that the present utility model cover the modifications and variations of this utility model provided they come within the scope of the appended claims and their equivalents.

Claims

1. A tractor hood assembly, comprising:

the engine cover comprises an engine cover body, a cover plate and a cover plate, wherein the engine cover body comprises a top plate and a side cover plate positioned below the top plate;

2. The tractor hood assembly of claim 1, wherein the portal frame further includes a reinforcement beam disposed obliquely between the side sill and the cab apron, the reinforcement beam being secured at both ends to the side sill and the cab apron, respectively, the reinforcement beam extending obliquely from the cab apron to the side sill in a vertical plane perpendicular to the cab apron for supporting the side sill.

3. The tractor hood assembly of claim 2, wherein the rotational connection includes a first riser and a second riser disposed in parallel, through holes are disposed at tops of the first riser and the second riser, a first folded edge bent away from the second riser is disposed on a side of the first riser opposite to the side of the first folded edge, a second folded edge bent away from the first riser is disposed on a side of the second riser opposite to the side of the first folded edge, and bottom ends of the first folded edge and the second folded edge are protruded downward from an upper surface of the cross beam.

4. The tractor hood assembly of claim 3, wherein the cross member is located above the engine within the hood body.

5. The tractor hood assembly of claim 4, wherein the turnover bracket comprises a fixed plate fixed with the hood body, a transition plate bent from the fixed plate to the cross beam, and shaft sleeves arranged on two sides of the transition plate, wherein the shaft sleeves are respectively arranged between the first vertical plate and the second vertical plate of the connecting parts on two sides and are connected in a rotating manner through a pin shaft.

6. The tractor hood assembly of claim 5, wherein the flip bracket is provided with a stiffener on both sides thereof, the stiffener being located between the fixing plate and the connecting portion and extending from a lower surface of the fixing plate to the boss.

7. The tractor hood assembly of claim 6, wherein the gas spring is rotatably coupled to the hood body using a gimbal rotation mechanism and the gas spring is rotatably coupled to the connector using a gimbal rotation mechanism.

8. The tractor hood assembly of claim 7, wherein the top plate is provided with a securing portion on both sides for securing with a universal swivel mechanism at the end of the gas spring.

9. The tractor hood assembly of claim 1, wherein a hood rear slat is disposed between the hood body and the cab front panel outside the gantry, and covers the periphery of the gantry to compensate for a gap between the hood body and the cab front panel and also to function as a visor.