阅读说明：本技术 护板组件、履带护板和履带式工程机械 (Backplate subassembly, track backplate and crawler-type engineering machine tool ) 是由 卢加林 马先锋 杨能 于 2020-05-15 设计创作，主要内容包括：本实施例提供了一种护板组件、履带护板和履带式工程机械,护板组件包括护板,护板具有相对的第一侧和第二侧,第一侧设有用于装配支重轮的弧形槽,第二侧设为向远离弧形槽的槽底的方向凸出的弯曲面；弯曲面用于与履带板接触。履带护板与上翘的履带板不易产生干涉,减少履带护板底部对履带板的磨损；且履带护板和链轨节的接触面积小,减少链轨节的磨损。(The embodiment provides a guard plate assembly, a crawler guard plate and crawler engineering machinery, wherein the guard plate assembly comprises a guard plate, the guard plate is provided with a first side and a second side which are opposite, the first side is provided with an arc-shaped groove used for assembling a thrust wheel, and the second side is provided with a curved surface which protrudes towards the direction far away from the bottom of the arc-shaped groove; the curved surface is used for contacting with the track shoe. The crawler guard plate and the upturned crawler plate are not easy to interfere, and the abrasion of the bottom of the crawler guard plate on the crawler plate is reduced; and the contact area between the track guard plate and the caterpillar track section is small, so that the abrasion of the caterpillar track section is reduced.)

1. A fender assembly, comprising:

the guard plate (110) is provided with a first side and a second side (114) which are opposite, the first side (113) is provided with an arc-shaped groove (1111) for assembling the thrust wheel (001), and the second side (114) is provided with a curved surface (1121) protruding in the direction far away from the bottom of the arc-shaped groove (1111); the bent surface (1121) is used for avoiding the upturned track shoe and avoiding interference with the upturned track shoe.

2. The fender assembly of claim 1, wherein:

the guard plate (110) comprises a side plate (111) and an anti-abrasion baffle (112), the arc-shaped groove (1111) is formed in the side plate (111), the anti-abrasion baffle (112) is connected with the side plate (111), and the bent surface (1121) is formed in one side, away from the notch of the arc-shaped groove (1111), of the anti-abrasion baffle (112).

3. The fender assembly of claim 2, wherein:

curb plate (111) have relative first face (1112) and second face (1113), abrasionproof baffle (112) are followed second face (1113) to the direction protrusion in of first face (1112), one side that abrasionproof baffle (112) are kept away from first face (1112) is used for contacting with caterpillar link (002) when caterpillar link (002) swing, thereby restricts caterpillar link (002)'s swing range, avoids the thrust wheel derail.

4. The fender assembly of claim 2, wherein:

the side plate (111) and the anti-abrasion baffle plate (112) are integrally formed.

5. The fender assembly of claim 2, wherein:

the side plate (111) and the anti-abrasion baffle (112) are fixed in a welding mode.

6. The fender assembly of claim 1, wherein:

the number of the arc-shaped grooves (1111) is multiple, and the arc-shaped grooves (1111) are arranged at intervals along the extending direction of the guard plate (110); the number of the curved surfaces (1121) is multiple, and the curved surfaces (1121) correspond to the arc-shaped grooves (1111) one by one.

7. The fender assembly of claim 1, wherein:

the bending surface (1121) is an arc surface or a bending surface.

8. A track guard, characterized in that the track guard (010) comprises:

a connector (200) and a pair of fender assemblies (100) according to any one of claims 1 to 7, the connector (200) being connected to both fenders (110) of a pair of fender assemblies (100) simultaneously.

9. The track apron of claim 8, wherein:

the track backplate (010) still include mounting panel (300), mounting panel (300) with backplate (110) are connected, mounting panel (300) are used for fixed with engineering machine's walking beam.

10. A track-type work machine, characterized in that the work machine comprises:

the track guard (010) of claim 8 or 9.

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a guard plate assembly, a crawler guard plate and crawler type engineering machinery.

Background

Some engineering machinery adopts crawler-type running gear, and crawler-type running gear has characteristics such as drive power is big, stability is strong and the flexibility is good. As one type of construction machine, a crawler type traveling device is commonly used in an excavator. When the excavator works in a mining area for quarrying ores, coal mines and iron ores, the working environment is severe, the crawler-type traveling device is easy to be impacted by the ores, the crawler and the thrust wheels are easy to be impacted and damaged, and the phenomenon of derailment between the crawler and the thrust wheels is easy to cause. At present, a track guard plate is installed in a walking device, so that sundries are prevented from being clamped in a neutral position of an adjacent thrust wheel, a caterpillar track section and the thrust wheel are effectively protected, derailment of the track is reduced, and damage and deformation of the track and the thrust wheel are prevented.

The inventor researches and discovers that the prior crawler-type engineering machinery has the following defects:

the wear of the track shoe is severe.

Disclosure of Invention

The invention aims to provide a guard plate assembly, a track guard and a crawler-type engineering machine, which can reduce damage to a track plate and a thrust wheel.

The embodiment of the invention is realized by the following steps:

in a first aspect, an embodiment of the present invention provides a fender assembly, including:

the protective plate is provided with a first side and a second side which are opposite, the first side is provided with an arc-shaped groove for assembling the supporting wheel, and the second side is provided with a curved surface which protrudes towards the direction far away from the bottom of the arc-shaped groove; the curved surface is used for avoiding the upturned track shoe, and interference with the upturned track shoe is avoided.

In an optional embodiment, the guard plate comprises a side plate and an anti-abrasion baffle, the arc-shaped groove is formed in the side plate, the anti-abrasion baffle is connected with the side plate, and the bending surface is arranged on one side, away from the notch of the arc-shaped groove, of the anti-abrasion baffle.

In an alternative embodiment, the side plate has a first plate surface and a second plate surface which are opposite to each other, the anti-wear baffle protrudes from the first plate surface along a direction from the second plate surface to the first plate surface, and one side of the anti-wear baffle, which is far away from the first plate surface, is used for contacting with the track link.

In an alternative embodiment, the side plates are integrally formed with the wear shield.

In an alternative embodiment, the side plates are welded to the wear shield.

In an optional embodiment, the number of the arc-shaped grooves is multiple, and the arc-shaped grooves are arranged at intervals along the extending direction of the side plate; the quantity of crooked face is a plurality of, a plurality of crooked faces and a plurality of arc wall one-to-one.

In an alternative embodiment, the curved surface is an arcuate surface or a curved surface.

In a second aspect, embodiments of the present invention provide a track guard, the track guard comprising:

a connector and a pair of fender assemblies according to any one of the preceding embodiments, the connector being connected to both fenders of a pair of fender assemblies simultaneously.

In an optional embodiment, the track guard further comprises a mounting plate, the mounting plate is connected with the guard, and the mounting plate is used for being fixed with a walking beam of the engineering machinery.

In a third aspect, an embodiment of the present invention provides a construction machine, including:

the track apron according to any one of the preceding embodiments.

The embodiment of the invention has the beneficial effects that:

in summary, the present embodiment provides a fender assembly, which includes a fender, wherein the fender is provided with an arc-shaped slot for mounting the thrust wheel and a curved surface partially contacting with the track shoe. In the action process of the crawler type walking device, the plurality of hinged track shoes are in contact with the ground and are extruded and deformed under complex working conditions, the plurality of track shoes cannot be uniformly positioned in the same plane, and the plurality of track shoes are in a wave shape or a fold line shape after being extruded. The middle crawler plate corresponding to the thrust wheel is pressed on the ground, the two crawler plates which are adjacent to the left and the right of the middle crawler plate are jacked up and have a motion form that the crawler plates in the middle tilt up by a certain angle, and the surface, matched with the crawler plates, of the guard plate is a curved surface, namely, two ends of the guard plate positioned at the lower part of the thrust wheel tilt up by a certain angle, so that the guard plate cannot interfere with the tilting crawler plate, and the guard plate is prevented from wearing the tilting crawler plate. Simultaneously, when the caterpillar track section is along with the great more than certain limit of track horizontal hunting volume, the medial surface of backplate and the lateral surface butt of caterpillar track section, the medial surface of backplate takes place the friction with the lateral surface of caterpillar track section, prevent the caterpillar track section to continue outer pendulum and avoid taking place the derailment phenomenon of thrust wheel, because the bottom side of backplate is the plane of curvature, under the certain prerequisite of length of backplate, on length direction, the backplate that the bottom side is the plane of curvature is little with the area of contact of caterpillar track section, thereby reduce the wearing and tearing of backplate to the caterpillar track section. The length direction of the guard plate refers to the walking direction of the engineering machinery when the engineering machinery works normally.

The embodiment also provides a track guard, which comprises the guard assembly, and the track guard has small abrasion to the track plate and the caterpillar track section.

The embodiment also provides crawler-type engineering machinery, which comprises the crawler plate, wherein the crawler plate has strong capability of adapting to complex environment in the operation process of the engineering machinery, and the service life of the crawler plate is long.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a fender assembly according to an embodiment of the invention;

FIG. 2 is a schematic illustration comparing the contact areas of the fender assembly and the track link according to an embodiment of the invention;

FIG. 3 is a schematic structural diagram of a modified structure of the shield assembly according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a curved surface according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a deformed configuration of a curved surface according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of another modified structure of the fender assembly according to the embodiment of the invention;

FIG. 7 is a schematic structural view of a track apron of an embodiment of the invention;

FIG. 8 is a schematic view of the shield and shield structure according to an embodiment of the present invention;

FIG. 9 is a schematic view of a track guard and track roller configuration according to an embodiment of the present invention.

Icon:

001-thrust wheel; 002-caterpillar link; 010-track guard board; 100-a fender assembly; 110-a guard plate; 111-side plates; 1111-arc groove; 1112-a first board surface; 1113-second plate surface; 112-anti-wear baffle; 1121-curved surface; 113-a first side; 114-a second side; 115-a first mounting hole; 200-a connector; 300-mounting plate; 310-a second mounting hole; 400-reinforcing ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and 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 solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, the present embodiment provides a guard plate assembly 100, a track guard plate 010 and an engineering machine, in the operation process of the engineering machine, the guard plate assembly 100 has little abrasion to the track link 002, the track link 002 has a long service life, and is not easily damaged.

Referring to fig. 1 in combination with fig. 9, in the present embodiment, the fender assembly 100 includes a fender 110, the fender 110 has opposite sides 114, the first side 113 has an arc-shaped groove 1111 for mounting the thrust wheel 001, and the second side 114 is a curved surface 1121 protruding away from the bottom of the arc-shaped groove 1111; the curved surface 1121 is used to avoid the track shoe, and the inner side surface of the guard plate 110 is used to contact the outer side surface of the track link 002 when the track link 002 swings in a large amplitude.

When the guard plate 110, the thrust wheel 001 and the caterpillar link 002 are assembled, the thrust wheel 001 is arranged in the arc-shaped groove 1111 of the guard plate 110 and is carried by the guard plate 110, the caterpillar link 002 is arranged below the thrust wheel 001, and in the axial direction of the thrust wheel 001, the guard plate 110 blocks a gap between the adjacent thrust wheels 001, namely the thrust wheel 001 and the caterpillar link 002 are clamped between the two guard plates 110 which are oppositely arranged, so that the phenomenon that the thrust wheel 001 is derailed or suspended due to stones or sundries clamped between the gaps is avoided. During the action process of the crawler type walking device, such as travelling or steering, the plurality of articulated track shoes are contacted with the ground and are extruded and deformed under a complex working condition, the complex working condition can be but is not limited to uneven ground, the plurality of articulated track shoes cannot be uniformly positioned in the same plane, and the plurality of articulated track shoes are approximately arranged in a wave shape or a zigzag shape after being extruded. When the crawler-type traveling device contacts with the pit, the middle crawler plate corresponding to the thrust wheel 001 is pressed in the pit, two crawler plates adjacent to the left and right of the middle crawler plate are jacked up by the pit wall of the pit and have a deformation tendency of inclining upwards at a certain angle with the middle crawler plate, and the surface of the guard plate 110, which is used for being matched with the crawler plates, is the bending surface 1121, namely, two ends of the guard plate 110 positioned at the lower part of the thrust wheel are upwards inclined at a certain angle, so that the guard plate 110 cannot interfere with the upwards inclined crawler plate, abrasion of the guard plate 110 on the crawler plate is avoided, and a deep groove is not easy to grind on the crawler plate.

Meanwhile, the inner side surface of the guard plate 110 is used for abutting against the outer side surface of the caterpillar link 002 when the swing amplitude of the caterpillar link 002 is large, and because the bottom side surface of the guard plate 110 is the bending surface 1121, on the premise that the length of the guard plate 110 is fixed, the contact area between the guard plate 110 with the caterpillar link 002 is small, and the wear of the guard plate 110 to the caterpillar link 002 is reduced. The longitudinal direction of the guard 110 refers to the traveling direction of the construction machine when the construction machine is operating normally, and as shown in fig. 2, the length of the guard 110 is D, and the first side 113 and the second side 114 of the guard 110 are disposed along the height direction of the construction machine.

As shown in fig. 2, the conventional guard plate 110 is set to be a, the guard plate 110 provided in the present embodiment is set to be B, and the track link 002 has a simplified structure. The lengths of a and B are equal, the area of a contacting the track segment 002 is s1 (shown by hatching), the area of B contacting the track segment 002 is s2 (shown by hatching), s1 is s2+2 s3, that is, s1 is larger than s2, the contact area of the guard plate 110 and the track segment 002 is small, so that the abrasion of the track segment 002 is reduced.

Referring to fig. 4 and 5, in the present embodiment, the curved surface 1121 may be an arc surface or a curved surface.

It should be noted that, when the curved surface 1121 is an arc-shaped surface, the arc of the curved surface 1121 is set as required, and the lowest position of the curved surface 1121 corresponds to the lowest position of the arc-shaped groove 1111, so as to achieve better protection for the track shoe, and further reduce the wear to the track shoe.

When the bending surface 1121 is a bending surface, the bending times of the bending surface 1121 are not limited, and the bending surface 1121 may be bent once, twice, three times, or the like. In this embodiment, optionally, the bending surface includes a first plane, a second plane, and a third plane that are sequentially connected, that is, the bending surface includes two bending portions, and the second plane corresponds to the arc groove 1111.

In this embodiment, each guard plate 110 may be provided with an arc-shaped slot 1111, and when a plurality of thrust wheels 001 need to be installed, the guard plates 110 may be sequentially spliced along a straight line.

Referring to fig. 3, in another embodiment, the protection plate 110 is provided with a plurality of arc-shaped slots 1111, and the plurality of arc-shaped slots 1111 are arranged at intervals along the extending direction of the protection plate 110. Optionally, the plurality of arc-shaped grooves 1111 are disposed on the first side 113, and the plurality of arc-shaped grooves 1111 are uniformly spaced along the length direction of the first side 113. Correspondingly, a plurality of curved surfaces 1121 are disposed on the second side 114 of the guard plate 110, and the plurality of curved surfaces 1121 are continuously arranged along the length direction of the guard plate 110, that is, form a continuous surface having peaks and valleys. The wave crest of the continuous surface is formed at the connection position of two adjacent curved surfaces 1121, the wave trough of the continuous surface corresponds to the corresponding arc-shaped groove 1111, and the lowest position of the arc-shaped groove 1111 corresponds to the lowest position of the curved surfaces 1121, so that the track plate is protected to the maximum extent, and the abrasion generated between the track plate and the guard plate 110 is reduced.

In this embodiment, the guard plate 110 may be an integral part and integrally formed during processing.

Referring to fig. 6, in other embodiments, the guard plate 110 is a split structure, for example, optionally, the guard plate 110 includes a side plate 111 and an anti-wear baffle 112, and the side plate 111 and the anti-wear baffle 112 are welded and fixed, obviously, the side plate 111 and the anti-wear baffle 112 may also be fixedly connected in other manners.

It should be noted that the first side 113 of the guard plate 110 is located on a side of the side plate 111 away from the anti-wear baffle 112, and the second side 114 of the guard plate 110 is located on a side of the anti-wear baffle 112 away from the side plate 111. Optionally, the wear-resistant baffle 112 is disposed on a side of the side plate 111 away from the first side 113. The arc-shaped slot 1111 is disposed on the side plate 111, and the curved surface 1121 is disposed on a side surface of the anti-wear baffle 112 away from the side plate 111.

Similarly, the number of the arc-shaped slots 1111 on the side plate 111 is set as required. The number of the curved surfaces 1121 on the anti-wear baffle 112 is set as required, and the plurality of arc-shaped grooves 1111 and the plurality of curved surfaces 1121 correspond to each other one by one.

Optionally, the side plate 111 has a first plate surface 1112 and a second plate surface 1113 which are opposite to each other, the anti-wear baffle 112 protrudes from the first plate surface 1112 in a direction from the second plate surface 1113 to the first plate surface 1112, and a side of the anti-wear baffle 112 away from the first plate surface 1112 is configured to contact with the track link 002. In other words, when the guard plate 110 is assembled, the first plate surface 1112 is the inner side of the side plate 111 and is disposed close to the thrust wheel 001 and the track link 002, so that the part of the anti-wear baffle 112 protruding out of the first plate surface 1112 can contact with the track link 002, and the guard plate plays a role in limiting and protecting the track link 002. Thereby set up in curb plate 111 through preventing wear baffle 112 protrusion and make the partial face of preventing wear baffle 112 can contact with caterpillar link 002, the holistic thickness of backplate 110 need not set up to be exactly the same, only need with preventing wear baffle 112 protrusion in curb plate 111 set up in order to realize with caterpillar link 002 contact can, reduced the consumptive material, saved the cost, and lightened weight, be convenient for transportation and assembly.

Optionally, one side of the side plate 111, which is away from the first side 113, may be set as a curved surface, and the anti-wear baffle 112 may be set as a curved strip, so that the anti-wear baffle 112 is directly fixed on the curved surface of the side plate 111.

Referring to fig. 7-9, the present embodiment further provides a track guard 010, which includes a connecting member 200 and guard assemblies 100, wherein the guard assemblies 100 are arranged in pairs, so that the track roller 001 is simultaneously carried by two guard assemblies 100 in a pair, and the connecting member 200 is simultaneously connected to the guard assemblies 100 in a pair.

Optionally, two guard plate assemblies 100 are provided, and each guard plate 110 of the guard plate assembly 100 is provided with a plurality of arc-shaped slots 1111 and a plurality of curved surfaces 1121. The two guard plates 110 are arranged in parallel relatively, two corresponding arc-shaped grooves 1111 on the two guard plates 110 are arranged coaxially, and one supporting wheel 001 is installed on the two corresponding arc-shaped grooves 1111 together.

Optionally, each guard plate 110 is provided with a first mounting hole 115, two ends of the connecting member 200 respectively abut against the two guard plates 110, and the connecting member 200 is screwed to the two guard plates 110 after passing through the first mounting hole 115 by a bolt, so as to complete the fixed connection between the connecting member 200 and the guard plates 110. Obviously, the guard plate 110 and the connecting member 200 may be fixedly connected by other means such as welding.

It should be noted that the number of the connecting members 200 is plural, which is not specifically limited in this embodiment, and the plurality of connecting members 200 are arranged at intervals along the length direction of the guard plate 110.

In addition, the same group of protection plate assemblies 100 may include one protection plate 110 or a plurality of protection plates 110, and when the number of protection plates 110 is plural, the plurality of protection plates 110 may be sequentially spliced along a straight line.

Optionally, the track guard plate 010 further includes a mounting plate 300 and a stiffener 400, each guard plate 110 is provided with the mounting plate 300 and the stiffener 400, and the mounting plate 300 and the stiffener 400 are located on the second plate surface 1113 of the guard plate 110. The mounting plate 300 is provided with a second mounting hole 310, and the mounting plate 300 is used for being fixedly connected with a walking beam of the engineering machine, for example, the walking beam is connected with the mounting plate 300 after passing through the second mounting hole 310 by using a bolt.

Alternatively, the reinforcing rib 400 may be a plate-shaped structure, and the reinforcing rib 400 is welded to the guard plate 110 and located below the mounting plate 300 to support the mounting plate 300.

The number of the mounting plate 300 and the number of the reinforcing ribs 400 are set as needed, and the embodiment is not particularly limited.

The embodiment further provides engineering machinery, which comprises the crawler guard plate 010, the crawler guard plate 010 has small abrasion to the crawler plate and the caterpillar track section 002, the engineering machinery is not easy to damage, and the operation is safe and reliable.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.