CN214648583U - Engineering machinery covering part and engineering machinery - Google Patents

Abstract

The utility model relates to a covering, for solving the problem of current engineering machine tool covering assembly difficulty, the utility model discloses construct engineering machine tool covering and engineering machine tool of easy assembly, wherein engineering machine tool covering, including left aircraft bonnet assembly and right aircraft bonnet assembly, its characterized in that left side aircraft bonnet assembly and right aircraft bonnet assembly constitute by the support of welding integral type with fix the overlay on the support, be provided with between the support in the left side aircraft bonnet assembly and the right aircraft bonnet assembly and be connected the crossbeam, connect the both ends of crossbeam respectively with the detachable fixed connection of corresponding support. The utility model discloses in, left socle assembly and right branch frame assembly constitute integratively, make simple, intensity and precision height, few, with low costs of assembly man-hour.

Description

Engineering machinery covering part and engineering machinery

Technical Field

The utility model relates to a covering, more specifically say, relate to an engineering machine tool covering and engineering machine tool.

Background

The cover of a construction machine such as an excavator generally mainly comprises a left hood assembly and a right hood assembly, which are connected into a whole through a cross beam. The left hood assembly and the right hood assembly are respectively usually provided with a plurality of brackets as frameworks to support components such as a side door, a partition plate and a cover plate. Each framework is independently installed and is connected into a whole by a cover plate or a clapboard. The baffle or the cover plate is fixedly connected with the bracket through a threaded connecting piece.

The frameworks of the left hood assembly and the right hood assembly are composed of a plurality of brackets and are integrated into a whole through a plurality of cover plates and partition plates by threaded connecting pieces, the assembly precision requirement is high, and other parts cannot be assembled due to large accumulated assembly errors; each sub-component needs to be connected by a threaded connecting piece, the adjustment difficulty is high, and the assembly time is high; when the quality problem of the assembly line is found to be caused by large deviation, the root cause is difficult to be checked because all levels are assembled by parts; the cover plate has large area, but as the frame connecting piece, the plate thickness or the reinforcing ribs need to be increased to meet the frame strength requirement, thereby causing unnecessary waste; the supports are connected into a whole through the cover plate, the frame strength is weak, the reliability is low, and particularly when large components such as an air filter and a postprocessor are installed, resonance is easily caused due to insufficient strength, and further faults such as bolt loosening and weld joint cracking are caused; because each part is the spare part assembly, newly-increased or reduce the part, or when the part displacement, all can lead to structure or connecting piece big change, the commonality is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is the problem of current engineering machine tool covering assembly difficulty, and provides engineering machine tool covering and engineering machine tool of an easy assembly.

The utility model discloses a realize that the technical scheme of its purpose is like: the engineering machinery covering piece is constructed and comprises a left hood assembly and a right hood assembly, and is characterized in that the left hood assembly and the right hood assembly are both formed by a support and a covering plate, the support is welded into a whole, the covering plate is fixed on the support, a connecting beam is arranged between the support in the left hood assembly and the support in the right hood assembly, and two ends of the connecting beam are respectively and fixedly connected with the corresponding supports in a detachable mode. In the utility model, the bracket in the left hood assembly and the bracket in the right hood assembly are both of welding integrated structure, and the welding integrated bracket controls the manufacturing precision through a welding tool, so that the manufacturing is simple and the precision is high; the assembly of parts is not needed, the assembly error is not accumulated, and the cost is low when no assembly worker exists; the integrated bracket is beneficial to integral hoisting on an assembly line, and assembly adjustment is not needed; the integral type supporting structure is complete, and the welding is firm, and intensity is good, and the reliability is high, and the commonality is high, is favorable to the familial formula design. The support in the left hood assembly and the support in the right hood assembly are connected in a detachable mode through the connecting beam, so that the problem that the size of the support is too large and the assembling difficulty is increased can be avoided.

In the engineering machinery covering part, two ends of the connecting beam are connected with corresponding supports through threaded connecting pieces. The threaded connecting piece fixing support and the connecting cross beam are adopted, the assembling and connecting mode is simple, the connection is firm and reliable, and the connecting cross beam is convenient to disassemble.

In the above-mentioned engineering machinery covering piece, the connecting beam includes a front connecting beam and a rear connecting beam, both ends of the front connecting beam are respectively connected with the front portions of the supports in the left hood assembly and the right hood assembly, and both ends of the rear connecting beam are respectively connected with the rear portions of the supports in the left hood assembly and the right hood assembly. The front parts of the bracket in the left hood assembly and the bracket in the right hood assembly are respectively connected by the connecting beam, so that the connecting strength between the bracket in the left hood assembly and the bracket in the right hood assembly can be enhanced.

In the above construction machine cover, the connecting beam is connected to the top of the bracket in the left hood assembly and the bracket in the right hood assembly. The front connecting cross beam and the rear connecting cross beam positioned at the tops of the brackets can be used as a supporting installation part of the covering plate between the two brackets while connecting the left bracket and the right bracket, namely, a fixed installation point of the covering plate is arranged on the connecting cross beam.

In the above construction machine covering member, the connecting beam is formed of channel steel or angle steel. The connecting beam is made of channel steel or angle steel, so that the weight and the strength of the connecting beam are both considered, and the weight is reduced as much as possible under the condition of meeting the connecting strength and the supporting strength of the covering plate.

In the engineering machinery covering part, the covering plate is fixedly connected with the bracket through a threaded connecting piece. The covering plates are connected through the threaded connectors, the detachability of the covering plates is achieved, the covering plates are detached during maintenance, parts or spaces below the covering plates are exposed, and maintenance is facilitated.

In the above-mentioned engineering machinery covering, the support is formed by welding a plurality of vertically arranged columns and a plurality of horizontally arranged beams. The support is formed by welding the stand column and the cross beam, so that the strength requirement of the support is met, and the manufacturing precision requirement of the support is ensured.

In the above-mentioned engineering machine tool covering, the stand comprises the channel-section steel, satisfies the support and regards as the intensity requirement of support piece.

In the engineering machinery covering part, the stand column positioned on the outer side in the support and the cross beam positioned at the top of the stand column positioned on the outer side and moving left and right are of a bent integrated structure. Through bending and forming, the length of a welding seam between the stand column and the cross beam is reduced, the welding workload is reduced, and the strength of the support is ensured.

The utility model discloses a realize that the technical scheme of its purpose is like: the construction machine is characterized by comprising the construction machine covering part, and the construction machine can be an excavator or a working machine provided with an excavator main body and provided with other working devices.

Compared with the prior art, the utility model, have engineering machine tool covering novel structure, connect the crossbeam and constitute an organic whole to left socle assembly and right branch frame assembly with threaded connection spare through preceding connection crossbeam, constitute the covering frame. The welding integrated bracket controls the manufacturing precision through the welding tool, and is simple to manufacture and high in precision; the assembly of parts is not needed, the assembly error is not accumulated, and the cost is low when no assembly worker exists; the integrated bracket is beneficial to on-line integral hoisting, and does not need assembly adjustment; the integral type supporting structure is complete, and the welding is firm, and intensity is good, and the reliability is high, and the commonality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the cover of the construction machine of the present invention.

Fig. 2 is a schematic diagram of a frame structure of the cover of the construction machine of the present invention.

Fig. 3 is a schematic structural diagram of the construction machine of the present invention.

Detailed Description

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

As shown in fig. 3, the working machine in the present embodiment is an excavator, and is changed to another working machine by replacing the front work implement 100. On the revolving platform of the excavator, a cover 200 is mounted.

As shown in fig. 2, the excavator cover includes a right hood assembly 10 and a left hood assembly 20, the right hood assembly 10 is composed of a right bracket 1 and a right cover plate 13 fixed to the right bracket 1, and the left hood assembly 20 is composed of a left bracket 2 and a left cover plate 23 fixed to the left bracket 2. The right bracket 1 and the left bracket 2 are connected by a connecting beam 3. The right hood assembly 10 and the left hood assembly 20 are respectively installed on the rotary platform of the excavator, and are correspondingly positioned on the right side and the left side.

As shown in fig. 2, the right bracket 1 and the left bracket 2 are both welded integral brackets, each bracket is composed of a plurality of upright posts and a plurality of cross beams, and two ends of each cross beam are respectively fixedly connected with two adjacent upright posts. The support is composed of channel steel, and the strength requirement of the support as a supporting piece is met.

As shown in fig. 2, in the right bracket 1, there are four vertical posts 12 and eight horizontal cross beams 11. The cross beam 11 and the upright post 12 are welded or integrally bent, that is, a part of the upright post 12 and the cross beam 11 are welded, and a part of the connection is integrally bent, for example, the outer upright post 12 and the cross beam 11 located at the top of the outer upright post 12 and moving left and right are bent into an integral structure, the other end (inner end) of the cross beam 11 is welded with the inner upright post, and the two ends of the other cross beam 11 are welded with the two adjacent upright posts. In the left bracket 2, the outer column 21 and the left-right beam 22 located at the top of the outer column 21 are of a bent integral structure, and the end parts of the other beams 22 are welded to the corresponding columns 12. The stand on the outside and the crossbeam of top left and right sides trend are bending structure, guarantee the planarization of overlay installation easily.

The connecting beam comprises a front connecting beam 31 and a rear connecting beam 32, and the two ends of the front connecting beam 31 are respectively connected with the tops of the front parts of the right bracket 1 and the left bracket 2. The two ends of the rear connecting beam 32 are respectively connected with the top parts of the rear parts of the right bracket 1 and the left bracket 2. The front connecting cross member 31 and the rear connecting cross member 32 serve to connect the right bracket 1 and the left bracket 2, reinforce the strength of the cover frame, and also serve to support the cover plate, supporting the cover plate 30 (engine hood) between the left hood assembly and the right hood assembly. The front connecting beam 31 and the rear connecting beam 32 are made of channel steel or angle steel, and both ends thereof are respectively and correspondingly fixedly connected with the right bracket 1 and the left bracket 2 through a threaded connector 5 such as a bolt.

In the embodiment, only two ends of the front connecting cross beam 31 and the rear connecting cross beam 32 in the excavator covering part are assembled by adopting the threaded connectors 5, so that the assembly is simple and the assembly time is short; the left bracket and the right bracket are welded into a whole, no assembly requirement exists, and assembly errors are completely eliminated; the excavator covering part consists of two large parts (a left bracket and a right bracket), two small parts (a connecting beam) and a covering plate, and if the quality problem of the covering plate installation occurs, the root cause can be easily found out, so that the quality control is facilitated; the left bracket and the right bracket are welded into a whole, the structure is complete, the connection mode is welding, the strength is good, and the reliability is high; the design of the integral frame structure, the change of each part arranged on the integral frame structure can not influence the integral frame, is beneficial to the family type design, and has high universality.

Claims (10)

1. An engineering machinery covering piece comprises a left hood assembly and a right hood assembly,

the left hood assembly and the right hood assembly are respectively composed of a support and a covering plate, the support is welded into a whole, the covering plate is fixed on the support, a connecting beam is arranged between the support in the left hood assembly and the support in the right hood assembly, and two ends of the connecting beam are respectively detachably and fixedly connected with the corresponding supports.

2. The construction machine covering according to claim 1, wherein both ends of the connecting beam are connected to the corresponding brackets by means of a threaded connection.

3. The construction machine cover according to claim 2, wherein the connecting beam comprises a front connecting beam and a rear connecting beam, the front connecting beam is connected with the front part of the bracket in the left hood assembly and the front part of the bracket in the right hood assembly at two ends, and the rear connecting beam is connected with the rear part of the bracket in the left hood assembly and the rear part of the bracket in the right hood assembly at two ends.

4. The work machine cover of claim 3, wherein the connecting beam is connected at the top of a bracket in the left hood assembly and a bracket in the right hood assembly.

5. The construction machine covering according to claim 4, wherein the connecting beam is formed of channel steel or angle steel.

6. The cover element of claim 1, wherein the cover plate is fixedly connected to the frame by a threaded connection.

7. The cover according to any of claims 1-6, wherein the support is formed by welding a number of vertically arranged uprights and a number of horizontally arranged cross-members.

8. The covering for construction machinery as claimed in claim 7, wherein said stud is comprised of channel steel.

9. The covering piece for engineering machinery as claimed in claim 8, wherein the pillar at the outside of the bracket and the cross beam at the top of the pillar at the outside and extending left and right are of a bent integral structure.

10. A working machine, characterized by a working machine cover according to any of claims 1-9.

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