CN214143893U

CN214143893U - Rear hood supporting structure for excavator

Info

Publication number: CN214143893U
Application number: CN202023308079.4U
Authority: CN
Inventors: 刘朋; 丁兆祥; 王晓爽; 郝晓宇
Original assignee: LOVOL Engineering Machinery Group Co Ltd
Current assignee: Lovol Heavy Industry Group Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-07
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a rear hood supporting structure for excavator, including the aircraft bonnet support, the aircraft bonnet support includes horizontal extension's coupling assembling and is located the supporting component at coupling assembling both ends, the supporting component downwardly extending and upper end and coupling assembling fixed connection, the lower extreme fixed mounting of supporting component is on the automobile body, install the hinge on the coupling assembling, fixed mounting of two hinge plates of hinge is on coupling assembling, another fixed mounting is on the rear hood, still install the air spring on the supporting component, air spring one end is installed on coupling assembling, the other end is installed on the rear hood, coupling assembling and supporting component all include the backup pad, the left and right sides of backup pad is equipped with the curb plate that is the degree and buckles, coupling assembling's both ends difference lock is on two supporting components. This aircraft bonnet support can also guarantee that the aircraft bonnet does not warp when having improved support durability, and utilizes the air spring helping hand, conveniently opens the back aircraft bonnet, maintains equipment.

Description

Rear hood supporting structure for excavator

Technical Field

The utility model relates to an engineering machine tool field, specific rear bonnet bearing structure for excavator that says so.

Background

At present, the excavator is more and more popular in mining, real estate, capital construction, rural construction and other places at home and abroad, and along with the improvement of the reliability of products, people have higher requirements on the safety performance of the excavator. The rear hood is arranged on the medium-sized excavator, the hood is of a sheet metal part structure, and a hood support for supporting the rear hood is further arranged on the excavator for enabling the rear hood to be stable in structure and not prone to deformation.

The aircraft bonnet support is as shown in figure 5 among the prior art, and its structure is the multiple-body formula to support the panel beating too thin, support intensity is low, and is not durable, firm inadequately, and complicated with high costs moreover, in addition, current back aircraft bonnet still exists weight too bulky, and the inconvenient problem of opening the back aircraft bonnet of maintainer, awaits the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem provide a structure is reliable, and support intensity is high, and non-deformable can also make things convenient for operating personnel to open the aircraft bonnet bearing structure of back aircraft bonnet.

In order to achieve the above object, the utility model relates to a rear bonnet bearing structure for excavator, including the aircraft bonnet support, its structural feature is: the aircraft bonnet support includes horizontal extension's coupling assembling and is located the supporting component at coupling assembling both ends, supporting component downwardly extending and upper end and coupling assembling fixed connection, supporting component's lower extreme fixed mounting is on the automobile body, the last hinge that installs of coupling assembling, fixed mounting of two hinge plates of hinge is on coupling assembling, another fixed mounting is on rear engine hood, still install the air spring on the supporting component, air spring one end is installed on coupling assembling, the other end is installed on rear engine hood.

The original rear hood supporting structure is of a multi-body type, the rear hood is heavy, and meanwhile, the rear hood support is too thin, so that the hood support is easy to deform; install the hinge on the aircraft bonnet support, back aircraft bonnet passes through the hinge and is connected with the aircraft bonnet support is articulated, in addition, still installs the air spring on the aircraft bonnet support, when the staff opened the back aircraft bonnet, carries out the helping hand by the air spring, and it is laborsaving to save trouble, conveniently opens back aircraft bonnet, maintains equipment.

Regarding the concrete structure of supporting component, the supporting component includes the montant of extending from top to bottom, and the top of montant still is equipped with the horizontal pole of transversely buckling.

The structure about coupling assembling and supporting component is constituteed, coupling assembling and horizontal pole all include the backup pad, and the left and right sides of backup pad is equipped with the curb plate that is 90 degrees buckles, and backup pad and two curb plates enclose into the character cut in bas-relief form, and coupling assembling and supporting component cross-section after bending are similar with the channel-section steel, can increase the support intensity of support, and for the support intensity of reinforcing montant, the montant also encloses by two curb plates of backup pad.

In order to facilitate the combined assembly of the connecting assembly and the supporting assembly, the two ends of the connecting assembly are buckled on the two cross rods respectively, the two side plates on the connecting assembly are clamped on the outer sides of the two side plates of the supporting assembly, and the supporting plate on the connecting assembly is pressed on the upper side of the supporting plate on the supporting assembly. The width of the supporting plate on the connecting assembly is larger than that of the supporting plate on the supporting assembly, so that the connecting assembly can be sufficiently buckled on the cross rod.

About coupling assembling and horizontal pole connection structure, the connecting hole has been seted up on the horizontal pole, the slotted hole has been seted up at coupling assembling's both ends, the slotted hole extends along coupling assembling length direction, the slotted hole is seted up the position and is corresponded with the connecting hole position, be equipped with the bolt that runs through slotted hole, connecting hole in proper order on coupling assembling and the horizontal pole, the spiral shell is equipped with the nut with coupling assembling and horizontal pole fixed connection on the bolt. The oblong holes in the connecting assembly enable the connecting assembly and the supporting assembly to have fault tolerance during assembly, namely the cross rod can slide along the small-range transverse direction of the connecting assembly, and the connecting assembly and the supporting assembly can be assembled more conveniently.

Regarding the connection structure of supporting component and automobile body, the bottom fixedly connected with bottom plate of supporting component, the locating hole that runs through from top to bottom is seted up on the bottom plate. When the hood support is fixed, the positioning holes in the bottom plate correspond to the mounting holes in the vehicle body, and the bottom plate is fixedly connected with the vehicle body through bolts and nuts.

Regarding the mounting structure of hinge mounting panel, connecting elements go up fixed mounting and have two hinge mounting panels, two hinge mounting panels are spaced each other, and the hinge is equipped with two and install respectively on two hinge mounting panels.

Regarding the mounting structure of air spring, fixed mounting has the spring mounting panel on the coupling assembling, and wherein one end is articulated to be installed on the spring mounting panel, and the other end is articulated to be installed on the rear hood.

Because above-mentioned technical scheme's application is following right the utility model discloses an advantage effect carries out concrete analysis.

In conclusion, the original rear hood supporting structure is of a multi-body type, the rear hood is heavy, and meanwhile, the rear hood support is too thin, so that the hood support is easy to deform; the hinge is arranged on the hood support, the rear hood is hinged with the hood support through the hinge, in addition, the air spring is also arranged on the hood support, when the rear hood is opened by a worker, the air spring is used for assisting power, so that the trouble and labor are saved, the rear hood is conveniently opened, and the equipment is maintained; and the both ends of coupling assembling lock respectively on two supporting component, still set up the slotted hole that possesses fault-tolerant function on the coupling assembling, make things convenient for coupling assembling and supporting component combination assembly more.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

FIG. 1 is a schematic axial side view of a bonnet mount;

FIG. 2 is a schematic view of a fastening structure of the connecting assembly and the cross bar;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partial enlarged view of point B in FIG. 3;

fig. 5 is a schematic structural diagram of the prior art.

In the figure: the support assembly comprises a support assembly 1, a connecting assembly 2, a hinge mounting plate 3, a hinge 4, a spring mounting plate 5, a gas spring 6, a long round hole 7, a hood support 8, a bottom plate 9, a vertical rod 10, a cross rod 11, a support plate 12, a side plate 13 and a connecting hole 14.

Detailed Description

In order to facilitate understanding of the present invention, the following description is made with reference to the embodiments and the accompanying drawings, and the description of the embodiments is not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships that must be specified based on the device or element shown in the drawings, are constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, either directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

Referring to the drawings, the utility model discloses a rear bonnet bearing structure for excavator, including bonnet support 8, bonnet support 8 includes horizontal extension's coupling assembling 2 and is located coupling assembling 2 both ends supporting component 1, supporting component 1 downwardly extending and upper end and coupling assembling 2 fixed connection, supporting component 1's lower extreme fixed mounting is on the automobile body, install hinge 4 on coupling assembling 2, fixed mounting is on coupling assembling 2 for two hinge plates of hinge 4, another fixed mounting is on rear bonnet, still install air spring 6 on supporting component 1, install on coupling assembling 2 air spring 6 one end, the other end is installed on rear bonnet. Referring to the attached figure 1, the original rear hood supporting structure is of a multi-body type, the rear hood support 8 is easy to deform due to the fact that the rear hood is heavy and the rear hood support 8 is too thin, the improved hood support 8 is of an integral type, supporting strength is high, manufacturing is simple and cost is low, durability of the support is improved, and meanwhile the hood can be guaranteed not to deform; install hinge 4 on aircraft bonnet support 8, back aircraft bonnet passes through hinge 4 and is connected with aircraft bonnet support 8 is articulated, in addition, still installs air spring 6 on the aircraft bonnet support 8, when the staff opened the back aircraft bonnet, carries out the helping hand by air spring 6, and it is laborsaving to save trouble, conveniently opens back aircraft bonnet, maintains equipment.

Regarding the structure composition of coupling assembling 2 and supporting component 1, refer to fig. 3, fig. 4, coupling assembling 2 and supporting component 1 all include backup pad 12, and the left and right sides of backup pad 12 is equipped with the curb plate 13 that is the degree and buckles, and backup pad 12 and two curb plates 13 enclose into the character cut in bas-relief form. The cross sections of the connecting component 2 and the supporting component 1 after bending are similar to those of channel steel, so that the supporting strength of the support can be increased. With regard to the specific structure of the supporting component 1, referring to fig. 2, the supporting component 1 includes a vertical rod 10 extending up and down, and a transverse rod 11 bent transversely is further provided at the top end of the vertical rod 10. In order to facilitate the assembly of the connecting assembly 2 and the supporting assembly 1, referring to fig. 2, two ends of the connecting assembly 2 are respectively fastened on two cross rods 11, two side plates 13 on the connecting assembly 2 are clamped on the outer sides of the two side plates 13 on the supporting assembly 1, and a supporting plate 12 on the connecting assembly 2 is pressed on the upper side of the supporting plate 12 on the supporting assembly 1. The width of the support plate 12 on the connecting assembly 2 is greater than the width of the support plate 12 on the support assembly 1, so that the connecting assembly 2 can be sufficiently buckled on the cross rod 11. About coupling assembling 2 and horizontal pole 11 connection structure, refer to figure 1, connecting hole 14 has been seted up on horizontal pole 11, slotted hole 7 has been seted up at coupling assembling 2's both ends, slotted hole 7 extends along 2 length direction of coupling assembling, slotted hole 7 is seted up the position and is corresponded with connecting hole 14 position, be equipped with the bolt that runs through slotted hole 7, connecting hole 14 in proper order on coupling assembling 2 and the horizontal pole 11, the spiral shell is equipped with the nut with coupling assembling 2 and horizontal pole 11 fixed connection on the bolt. The oblong hole 7 on the connecting assembly 2 is utilized to enable the connecting assembly 2 and the supporting assembly 1 to have fault tolerance when being assembled, namely, the cross rod 11 can slide along the connecting assembly 2 in a small range in the transverse direction, and the connecting assembly 2 and the supporting assembly 1 can be assembled in a combined mode more conveniently.

Regarding the connection structure of the supporting component 1 and the vehicle body, referring to fig. 1, a bottom plate 9 is fixedly connected to the bottom of the supporting component 1, and a positioning hole penetrating through the bottom plate 9 is formed in the bottom plate 9. When the hood support 8 is fixed, the positioning holes in the bottom plate 9 correspond to the mounting holes in the vehicle body, and the bottom plate 9 is fixedly connected with the vehicle body by bolts and nuts. About the mounting structure of hinge mounting panel 3, fixed mounting has two hinge mounting panels 3 on coupling assembling 2, and two hinge mounting panels 3 are spaced each other, and hinge 4 is equipped with two and installs respectively on two hinge mounting panels 3. Regarding the mounting structure of gas spring 6, fixed mounting has spring mounting panel 5 on coupling assembling 2, and one end is articulated to be installed on spring mounting panel 5 among them, and the other end is articulated to be adorned on the rear hood for gas spring 6.

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 depart from the spirit and scope of the present invention.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims

1. The utility model provides a rear bonnet bearing structure for excavator, includes aircraft bonnet support (8), characterized by: the hood support (8) comprises a connecting component (2) extending transversely and supporting components (1) positioned at two ends of the connecting component (2), the supporting components (1) extend downwards, the upper ends of the supporting components are fixedly connected with the connecting component (2), the lower ends of the supporting components (1) are fixedly arranged on a vehicle body,

the hinge (4) is installed on the connecting assembly (2), one hinge plate of each hinge (4) is fixedly installed on the connecting assembly (2), the other hinge plate of each hinge is fixedly installed on the rear hood, the gas spring (6) is further installed on the supporting assembly (1), one end of the gas spring (6) is installed on the connecting assembly (2), and the other end of the gas spring is installed on the rear hood.

2. The rear hood support structure for an excavator according to claim 1, wherein: the supporting component (1) comprises a vertical rod (10) extending up and down, and a transverse rod (11) bent transversely is further arranged at the top end of the vertical rod (10).

3. The rear hood support structure for an excavator according to claim 2, wherein: coupling assembling (2) and horizontal pole (11) all include backup pad (12), and the left and right sides of backup pad (12) is equipped with and is 90 degrees curb plates (13) of buckling.

4. The rear hood support structure for an excavator according to claim 3, wherein: the both ends of coupling assembling (2) lock respectively on two horizontal poles (11), and two curb plate (13) on coupling assembling (2) press from both sides the outside of leaning on two curb plates (13) in supporting component (1), and backup pad (12) on coupling assembling (2) press the upside of backup pad (12) on supporting component (1).

5. The rear hood support structure for the excavator according to claim 3 or 4, wherein: connecting hole (14) have been seted up on horizontal pole (11), slotted hole (7) have been seted up at the both ends of coupling assembling (2), slotted hole (7) extend along coupling assembling (2) length direction, slotted hole (7) are seted up the position and are corresponded with connecting hole (14) position, be equipped with the bolt that runs through slotted hole (7), connecting hole (14) in proper order on coupling assembling (2) and horizontal pole (11), the spiral shell is equipped with the nut with coupling assembling (2) and horizontal pole (11) fixed connection on the bolt.

6. The rear hood support structure for an excavator according to claim 5, wherein: the lower end of the supporting component (1) is fixedly connected with a bottom plate (9), and a positioning hole which penetrates through the bottom plate (9) from top to bottom is formed in the bottom plate.

7. The rear hood support structure for an excavator according to claim 1, wherein: the hinge connecting component is characterized in that two hinge mounting plates (3) are fixedly mounted on the connecting component (2), the two hinge mounting plates (3) are mutually spaced, and two hinges (4) are arranged and are respectively mounted on the two hinge mounting plates (3).

8. The rear hood support structure for an excavator according to claim 1, wherein: the connecting assembly (2) is fixedly provided with a spring mounting plate (5), one end of the air spring (6) is hinged to the spring mounting plate (5), and the other end of the air spring is hinged to the rear hood.