CN210113165U

CN210113165U - Crawler belt shield and crawler belt excavator

Info

Publication number: CN210113165U
Application number: CN201920676050.XU
Authority: CN
Inventors: 谭志行; 李志军; 刘磊; 刘剑; 宾旭洲; 程盼
Original assignee: Guangxi Liugong Machinery Co Ltd; Liugong Changzhou Machinery Co Ltd
Current assignee: Guangxi Liugong Machinery Co Ltd; Liugong Changzhou Machinery Co Ltd; Liuzhou Liugong Excavators Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-02-25
Anticipated expiration: 2029-05-13

Abstract

The utility model relates to a track guard shield and track excavator, for solving current split type track guard shield and making and installing loaded down with trivial details shortcoming, the utility model discloses construct a track guard shield, its characterized in that includes two parallel vertical backplate subassemblies of interval arrangement about and a plurality of vaulting poles between being located two backplate subassemblies, the vaulting pole is followed backplate subassembly vertical interval parallel arrangement and each vaulting pole length direction with the length direction of backplate subassembly is perpendicular, the first end terminal surface of vaulting pole is provided with screw hole and first end through this end screw hole and bolt cooperation and the adjacent backplate subassembly fixed connection of this end, the second end terminal surface of vaulting pole also is provided with screw hole and second end through this end screw hole and bolt cooperation and the adjacent backplate subassembly fixed connection of this end or the second end of vaulting pole welds fixed connection mutually with the backplate subassembly. The utility model discloses in, the track guard shield comprises backplate subassembly and vaulting pole, has simplified its manufacturing and installation procedure.

Description

Crawler belt shield and crawler belt excavator

Technical Field

The utility model relates to a last protective member of crawler traveling system, more specifically say, relate to a crawler guard shield and crawler excavator.

Background

Track shields are mounted on track traveling systems of machines having such systems, such as track-type excavators, bulldozers, and the like. The track guard shield is fixedly arranged on the track beam and prevents stones and soil from entering the contact part of the track and the thrust wheel.

The prior track shield is usually of a split type, for example, chinese patent CN206255101U discloses a track shield which is convenient for removing and replacing the guard plate, and the track shield is convenient for replacing some parts damaged in the using process, but the manufacture and installation of the track shield are cumbersome due to the large number of parts of the track shield.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the loaded down with trivial details shortcoming of current split type track guard shield manufacturing and installation, and provide a track guard shield and track excavator convenient to make and install.

The utility model discloses a realize that the technical scheme of its purpose is like: the crawler belt protective cover is characterized by comprising two longitudinal protective plate assemblies which are arranged in parallel and at left and right intervals and a plurality of support rods which are positioned between the two protective plate assemblies, wherein the support rods are arranged in parallel at the longitudinal intervals of the protective plate assemblies and are vertical to the length direction of the protective plate assemblies, the end face of the first end of each support rod is provided with a threaded hole, the first end of each support rod is fixedly connected with the protective plate assembly adjacent to the end through the end threaded hole and the bolt, the end face of the second end of each support rod is also provided with a threaded hole, the second end of each support rod is fixedly connected with the protective plate assembly adjacent to the end through the end threaded hole and the bolt, or the second end of each support rod is fixedly connected with the protective plate assemblies in a welding mode. The utility model discloses in, the track guard shield comprises backplate subassembly and vaulting pole, has simplified its manufacturing and installation procedure.

In the crawler belt shield, the guard plate assembly comprises a longitudinal beam, a straight guard plate and a mounting support part, wherein the straight guard plate is vertically arranged, and the longitudinal beam is welded at the lower edge of the guard plate; the mounting support parts are welded on the outer side of the guard plate at intervals along the longitudinal direction, and mounting holes for mounting are formed in the tops of the mounting support parts. Furthermore, the mounting and supporting part is in an inverted U shape, the open end of the mounting and supporting part faces downwards, and the open end of the mounting and supporting part is welded with the longitudinal beam. The installation supporting part comprises a vertical plate and a bending plate with a right angle, the top end of the vertical plate is welded with the end part of the horizontal part of the bending plate, the installation hole is formed in the horizontal part of the bending plate, and the vertical plate and the bending plate are vertically welded with the outer side surface of the guard plate. The widths of the vertical parts of the vertical plates and the bending plates in the transverse direction are narrowed from top to bottom. The mounting support portion not only plays a role in fixing the guard plate assembly on the crawler beam, but also plays a role in reinforcing ribs for reinforcing the strength of the guard plate.

In the crawler guard, two ends of the stay bar are fixedly connected with the guard plate in the guard plate assembly, and the connection point of the stay bar and the guard plate is located at the installation position of the installation supporting part on the guard plate. Furthermore, the vaulting pole is the square column shape, on the backplate medial surface with the vaulting pole junction is connected with prevents changeing the lug, prevent changeing the lug be about the interval arrangement and with the last plane and the lower plane cooperation of vaulting pole tip.

In the crawler belt shield, the guard plate is provided with an avoiding space between the mounting parts of the two adjacent mounting and supporting parts, the crawler belt beam is further provided with the thrust wheels, and the avoiding space is used for avoiding the end parts of the thrust wheels and avoiding the occurrence of interference with the thrust wheels.

The utility model discloses a realize that the technical scheme of its purpose is like: a crawler excavator is constructed, and comprises a crawler walking system, and is characterized in that the crawler walking system is provided with the crawler shield. For large-scale crawler traveling equipment, its track beam is longer, and practical track guard shield then requires the length of track guard shield longer this moment, can increase its manufacturing and installation difficult way, can this moment install a plurality of track guard shields on the track beam of crawler traveling system one side, each track guard shield is vertically adjoint in proper order along arranging on the track beam to this reduces the manufacturing and the installation degree of difficulty of track guard shield.

Compared with the prior art, the utility model provides a track guard shield has the simple and convenient advantage of manufacturing with assembly process.

Drawings

Fig. 1 is a schematic structural diagram of the crawler traveling system of the excavator of the present invention.

Fig. 2 is a sectional view taken along the line a-a in fig. 1.

FIG. 3 is a schematic diagram of the construction of the track shroud.

Part names and serial numbers in the figure:

the anti-rotation device comprises a guard plate 1, an avoidance space 11, an anti-rotation lug 12, a longitudinal beam 2, a vertical plate 31, a bending plate 32, a mounting hole 33, a stay bar 4, a bolt 5, a crawler 6, a thrust wheel 61 and a crawler beam 7.

Detailed Description

The following description of the embodiments refers to the accompanying drawings.

Fig. 1 shows a schematic structural view of a lower body of a crawler excavator, and the lower body includes a crawler traveling system including a crawler beam 7, and a traveling motor, a guide wheel, a carrier wheel, a thrust wheel 61, a crawler 6, a crawler guard, and the like mounted on the crawler beam. The lower vehicle body is provided with a rotary platform 8.

The structure of the track shield is shown in fig. 3, and comprises two longitudinal shield assemblies which are arranged in parallel and spaced left and right, and a plurality of support rods 4 which are arranged between the two shield assemblies.

The guard plate assembly comprises a longitudinal beam 2, a straight guard plate 1 vertically arranged and a mounting support part, wherein the longitudinal beam 2 is welded at the lower edge of the guard plate 1.

The installation supporting parts are welded on the outer side of the guard plate 1 at intervals along the longitudinal direction, the installation supporting parts are in an inverted U shape, the opening ends of the installation supporting parts face downwards, and the opening ends of the installation supporting parts are welded with the longitudinal beam. The installation supporting part comprises a vertical plate 31 and a bent plate 32 with a right-angle bend, the top end of the vertical plate 31 is welded with the end part of the horizontal part of the bent plate 32, an installation hole 33 is formed in the horizontal part of the bent plate 32, and the vertical plate 31 and the bent plate 32 are both vertically welded with the outer side surface of the guard plate. The widths in the transverse direction of the vertical portions of the riser 31 and the bent plate 32 narrow from top to bottom.

As shown in fig. 2 and fig. 3, the stay bar 4 is in a square column shape, both ends of the stay bar are provided with threaded holes, and a first end of the stay bar 4 is matched with the bolt 5 through the threaded hole at the end part to be fixedly connected with the guard plate 1 in the guard plate assembly adjacent to the end; the second end of the stay bar 4 is matched with the bolt 5 through the threaded hole of the end part and is fixedly connected with the guard plate in the guard plate assembly adjacent to the end; the connecting point of the stay bar 4 and the protective plate 1 is located at the installation position of the installation support part on the protective plate 1, namely, in the U-shaped range of the installation support part.

As shown in fig. 3, an anti-rotation lug 12 is connected to the inner side surface of the guard plate 1 at the connection with the stay bar 4, and the anti-rotation lug 12 includes two parts arranged at intervals up and down, and the two parts are respectively matched with the upper and lower planes of the end part of the stay bar 4. The anti-rotation lugs 12 serve to prevent the rotation of the stay during the screwing or unscrewing of the bolt during the mounting and dismounting.

As shown in fig. 1 and 3, a space 11 is provided between the mounting portions of two adjacent mounting support portions on the apron 1, a track roller 61 is further mounted on the crawler beam 6, and the space 11 is an end portion for avoiding the track roller 61 and avoiding interference with the track roller 61.

As shown in figure 2, the track shield is fixedly connected with the track beam 6 through bolts penetrating through the mounting holes 33 of the mounting support parts on the track shield, so that the track shield is fixedly mounted on the track beam, and when the track shield is mounted, the longitudinal beam faces downwards and has a small gap with the track. The crawler belt shield is positioned between the guide wheel and the driving wheel and used for preventing mud stone blocks from entering the contact part of the thrust wheel and the crawler belt. For large-scale crawler traveling equipment, the crawler beam is longer, and the length of the crawler shield is longer when one crawler shield is used, so that the difficulty in manufacturing and installing the crawler shield is increased, and at the moment, two or even a plurality of crawler shields can be arranged on the crawler beam in a longitudinally adjacent mode, as shown in fig. 1 and 3, so that the difficulty in manufacturing and installing the crawler shields is reduced.

Claims

1. The utility model provides a track guard shield, its characterized in that includes two vertical backplate subassemblies that are parallel and control interval arrangement and is located a plurality of vaulting poles between two backplate subassemblies, the vaulting pole is followed backplate subassembly vertical interval parallel arrangement and each vaulting pole length direction with the length direction of backplate subassembly is perpendicular, the first end terminal surface of vaulting pole is provided with screw hole and first end through this end screw hole and bolt cooperation and the backplate subassembly fixed connection that this end is neighbouring, the second end terminal surface of vaulting pole also is provided with screw hole and second end through this end screw hole and bolt cooperation and the backplate subassembly fixed connection that this end is neighbouring or the second end of vaulting pole welds the fixed connection mutually with the backplate subassembly.

2. The track shroud of claim 1, wherein the fender assembly includes a stringer, a straight fender disposed upright, and a mounting support, the stringer being welded to a lower edge of the fender; the mounting support parts are welded on the outer side of the guard plate at intervals along the longitudinal direction, and mounting holes for mounting are formed in the tops of the mounting support parts.

3. The track shroud of claim 2, wherein the mounting supports are in the form of an inverted U-shape with an open end facing downward and welded to the stringers.

4. The track guard of claim 3, wherein the mounting support portion comprises a vertical plate and a bent plate having a right angle bend, the top end of the vertical plate is welded to the end of the horizontal portion of the bent plate, the mounting hole is formed in the horizontal portion of the bent plate, and the vertical plate and the bent plate are both welded to the outer side surface of the guard plate.

5. The track shroud of claim 4, wherein the vertical portions of the risers and bent plates have a width in the transverse direction that narrows from top to bottom.

6. The track shroud of any one of claims 2 to 5, wherein both ends of the brace bar are fixedly connected to the fender of the fender assembly, and the connection point of the brace bar to the fender is at the mounting of the mounting support on the fender.

7. The track guard of claim 6, wherein the brace bar is square and cylindrical, and anti-rotation lugs are connected to the inner side surface of the guard plate at the connection with the brace bar, and the anti-rotation lugs are vertically spaced and matched with the upper plane and the lower plane of the end of the brace bar.

8. The track shroud of claim 7, wherein an escape space is provided on the fender between the mounting locations of two adjacent mounting supports.

9. A crawler excavator comprising a crawler traveling system, characterized in that the crawler traveling system is mounted with the crawler guard of any one of claims 1 to 8.

10. The crawler excavator of claim 9 wherein the crawler beam is provided with a plurality of crawler shrouds on one side of the crawler travel system, the plurality of crawler shrouds being arranged adjacent to each other in the longitudinal direction of the crawler beam.