CN114508148A - Frame structure for mounting power device and engineering machinery - Google Patents
Frame structure for mounting power device and engineering machinery Download PDFInfo
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- CN114508148A CN114508148A CN202210184691.XA CN202210184691A CN114508148A CN 114508148 A CN114508148 A CN 114508148A CN 202210184691 A CN202210184691 A CN 202210184691A CN 114508148 A CN114508148 A CN 114508148A
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 52
- 230000035939 shock Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a frame structure for mounting a power device and an engineering machine, which comprise a front box girder, a rear box girder, an outer edge girder, an outer vertical plate and an inner edge girder, wherein the front box girder is connected with the rear box girder through a connecting rod; the front box beam and the rear box beam are welded with a connecting plate for mounting a spacer bush and a bolt and a bracket for mounting a power device; the D-shaped edge beam consisting of the outer edge beam and the outer vertical plate is welded with the right side ends of the vertical plates of the front box beam and the rear box beam; the inner edge beam is welded with the outer sides of the vertical plates of the front box beam and the rear box beam at the position close to the connecting plate. The invention can mount and fix the accessory device of the power device and the fixing of various pipelines while bearing the power device, realizes the light weight and modularization of the frame on the premise of meeting the strength, and is convenient for disassembly, assembly, transportation and later maintenance.
Description
Technical Field
The invention relates to a frame structure for mounting a power device and a hydraulic excavator, and belongs to the technical field of engineering machinery.
Background
Engineering machinery, in particular to a hydraulic excavator with an ultra-large tonnage, has large overall dimension and heavy weight, cannot realize integral transportation due to the limitation of a highway bridge tunnel in the actual transportation process and the later maintenance, needs to be disassembled, and is very important for how to realize the quick disassembly and shipment of the whole excavator. The power plant provides power output for the engineering machinery, and comprises a large number of parts which need to be periodically repaired and maintained later, and a core part engine in the power plant also needs to be periodically disassembled and overhauled, which puts demands on modularization and light weight for a frame structure for mounting the power plant.
The existing excavator is characterized in that a power device body is arranged on the rear side of a rotary table main body, accessories of the power device are arranged on a left frame and a right frame, and when the whole excavator is transported and disassembled, disassembled parts are complex, and after the parts are transported to a user, the assembling process is complex, so that the design concept of modularized disassembly and assembly at the existing stage cannot be adapted.
Disclosure of Invention
The invention provides a frame structure for mounting a power device, which realizes light weight and modularization of a frame on the premise of meeting the strength, and is convenient for disassembly, assembly, transportation and later-stage maintenance.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention discloses a frame structure for mounting a power device, which comprises:
the front box beam and the rear box beam are welded with a connecting plate for mounting a spacer bush and a bolt and a bracket for mounting a power device;
the D-shaped edge beam formed by the outer edge beam and the outer vertical plate is welded with the right side ends of the vertical plates of the front box beam and the rear box beam;
and the inner edge beam is welded with the outer sides of the vertical plates of the front box beam and the rear box beam at a position close to the connecting plate.
In a further scheme, the front box girder and the rear box girder are formed by welding box-shaped structures consisting of a connecting plate, a top plate, a front vertical plate, a bottom plate and a rear vertical plate.
According to the further scheme, the left end of the top plate is welded with the connecting plate, the right end of the top plate is welded with the outer vertical plate of the D-shaped edge beam, and the two sides of the top plate are respectively welded with the front vertical plate and the rear vertical plate to form a box girder structure.
As an optimized scheme of the invention, the periphery of the outer surface of the top plate is provided with a large groove which is respectively connected with the connecting plate, the front vertical plate, the rear vertical plate and the outer vertical plate to form a T-shaped welding joint, double-side welding is implemented, the outer side of the top plate is welded through groove welding and fillet welding, the inner side of the top plate is welded through fillet welding, and the inner surface of the top plate is directly welded with the front vertical plate, the rear vertical plate and the connecting plate through fillet welding; the periphery of the outer surface of the bottom plate is provided with a large groove, the large groove is respectively connected with the connecting plate, the front vertical plate, the rear vertical plate and the outer vertical plate to form a T-shaped welding head, single-side welding is carried out, and the outer side of the T-shaped welding head is welded through groove welding and fillet welding.
In a further scheme, the mounting surfaces of the connecting plates connected with the rotary table main body are machined surfaces, and the mounting surfaces of the connecting plates on the front box girder and the rear box girder are on the same plane.
As an optimized scheme of the invention, two beams are respectively welded on two sides between the rear vertical plate of the front box girder and the front vertical plate of the rear box girder; a groove-shaped beam is welded between one of the cross beams and the outer vertical plate, and a cross brace is welded between the other cross beam and the inner side beam.
Further scheme, still include:
the front end of the D-shaped inner rear edge beam formed by the inner vertical plate and the inner rear edge beam is welded with the left end of the outer side of the rear vertical plate of the rear box beam;
the left end of the D-shaped rear edge beam formed by the rear sealing plate and the rear cross beam is welded with the inner vertical plate, and the right end of the D-shaped rear edge beam is welded with the outer vertical plate;
the front end of the radiator outer mounting plate is welded with the right end of the outer side of the rear vertical plate of the rear box girder, the rear end of the radiator outer mounting plate is welded with the rear sealing plate, and the right end of the radiator outer mounting plate is welded with the outer vertical plate;
the front end of the radiator inner mounting plate is welded with the left end of the outer side of the rear vertical plate of the rear box girder, the rear end of the radiator inner mounting plate is welded with the rear sealing plate, and the left end of the radiator inner mounting plate is welded with the inner vertical plate.
In a further scheme, two power device front brackets are arranged on the front box girder; the power device front support comprises a top plate, a right vertical plate, a rib plate and a left vertical plate; the upper end surfaces of the right vertical plate, the rib plate and the left vertical plate are welded with the lower surface of the top plate, and the left side and the right side of the rib plate are welded with the inner sides of the left vertical plate and the right vertical plate; and the top plate is provided with two holes for mounting the shock absorption pad of the power device.
In a further scheme, two power devices and a rear support are arranged on the rear box girder; the rear support of the power device comprises a top plate, a right vertical plate, a rib plate and a left vertical plate; the upper end surfaces of the right vertical plate and the left vertical plate are welded with the lower surface of the top plate, and the left side and the right side of the rib plate are welded with the inner sides of the left vertical plate and the right vertical plate; the top plate is provided with a hole for mounting a shock pad of the power device.
The invention also discloses engineering machinery which comprises a power device, a main body mounting plate, bolts, a spacer bush and the frame structure; the power device is arranged on a front support and a rear support in the frame structure through shock pads, and the front support and the rear support are respectively welded on a front box girder and a rear box girder in the frame structure; and the connecting plate on the frame structure is connected with the main body mounting plate of the rotary table main body through a spacer bush and a bolt.
The preferable scheme is as follows: the construction machine includes a hydraulic excavator.
The invention has the beneficial effects that:
the invention can mount and fix the accessory device of the power device and the fixing of various pipelines while bearing the power device, realizes the light weight and modularization of the frame on the premise of meeting the strength, and is convenient for disassembly, assembly, transportation and later maintenance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a diagram of an application of an embodiment of the frame structure of the present invention;
FIG. 2 is an isometric view of the frame of the present invention;
FIG. 3 is a cross-sectional view of the box girder A of the present invention (a is a front box girder, and b is a rear box girder);
FIG. 4 is an enlarged view of section I of FIG. 3;
FIG. 5 is an enlarged view of a portion II of FIG. 3;
FIG. 6 is an isometric view of a front mount of the power unit of the present invention;
FIG. 7 is an isometric view of a rear bracket of the power unit of the present invention;
fig. 8 is an exploded view of the connection of fig. 1.
Description of reference numerals: 1. the device comprises a frame structure, 2, a power device, 3, a big bolt, 4, a spacer bush, 5 and a main body mounting plate; 1-1 part of front box girder, 1-2 parts of power device front support, 1-3 parts of cross beam, 1-4 parts of outer edge beam, 1-5 parts of groove beam, 1-6 parts of outer vertical plate, 1-7 parts of rear box girder, 1-8 parts of power device rear support, 1-9 parts of radiator outer mounting plate, 1-10 parts of rear sealing plate, 1-11 parts of radiator inner mounting plate, 1-12 parts of rear bent beam, 1-13 parts of inner vertical plate, 1-14 parts of inner rear edge beam, 1-15 parts of inner edge beam, 1-16 parts of cross brace, 1-17 parts of cross brace, 1-18 parts of cross beam, 1-1-1 part of connecting plate, 1-1-2 parts of top plate, 1-1-3 parts of front vertical plate, 1-1-4 parts of bottom plate, 1-1-5 parts of bottom plate, The structure comprises a rear vertical plate, 1-7-1 parts of a connecting plate, 1-7-2 parts of a top plate, 1-7-3 parts of a front vertical plate, 1-7-4 parts of a bottom plate, 1-7-5 parts of a rear vertical plate, 1-2-1 parts of a top plate, 1-2-2 parts of a right vertical plate, 1-2-3 parts of a rib plate, 1-2-4 parts of a left vertical plate, 1-8-1 parts of a top plate, 1-8-2 parts of a right vertical plate, 1-8-3 parts of a rib plate, 1-8-4 parts of a left vertical plate.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
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 will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The overall structural embodiment of the invention is shown in the attached drawings 1 to 8, and the structure is composed of a frame structure 1, a power device 2, a large bolt 3, a spacer 4, a main body mounting plate 5 and the like. The power device 2 is arranged on a power device front support 1-2 and a power device rear support 1-8 of the frame structure 1 through shock absorption pads, the power device front support 1-2 and the power device rear support 1-8 are respectively welded on a front box beam 1-1 and a rear box beam 1-7 of the frame structure 1, and a connecting plate 1-1-1 and the connecting plate 1-7-1 on the frame structure 1 are connected with a main body mounting plate 5 of the rotary table main body through a spacer 4 and a large bolt 3.
The following gives a preferred embodiment of the above embodiment with respect to a frame structure for mounting a power unit:
as shown in figure 2, a frame structure 1 for mounting a power device is mainly formed by welding a front box beam 1-1, a power device front support 1-2, a cross beam 1-3, an outer edge beam 1-4, a groove-shaped beam 1-5, an outer vertical plate 1-6, a rear box beam 1-7, a power device rear support 1-8, a radiator outer mounting plate 1-9, a rear sealing plate 1-10, a radiator inner mounting plate 1-11, a rear bent beam 1-12, an inner vertical plate 1-13, an inner rear edge beam 1-14, an inner edge beam 1-15, a cross brace 1-16, a cross brace 1-17 and a cross beam 1-18.
In a further aspect, continuing with fig. 2, the outer beams 1-4 and the outer risers 1-6 are welded to form an edge beam having a D-shaped cross-section.
Preferably, the cross section of the outer side beam 1-4 is a groove shape, and compared with a plate material, the thickness is thin, and the strength and the rigidity are high.
As shown in FIG. 3, the front box girder 1-1 is formed by welding a box structure consisting of a connecting plate 1-1-1, a top plate 1-1-2, a front vertical plate 1-1-3, a bottom plate 1-1-4 and a rear vertical plate 1-1-5; the rear box girder 1-7 is formed by welding a box structure consisting of a connecting plate 1-7-1, a top plate 1-7-2, a front vertical plate 1-7-3, a bottom plate 1-7-4 and a rear vertical plate 1-7-5.
As an optimized scheme of the invention, the left end of a top plate 1-1-2 of a front box girder 1-1 is welded with a connecting plate 1-1-1, the right end of the top plate is welded with an outer vertical plate 1-6 of a D-shaped edge girder, and two sides of the top plate are respectively welded with a front vertical plate 1-1-3 and a rear vertical plate 1-1-5 to form a box girder structure.
The left end of a top plate 1-7-2 of the rear box girder 1-7 is welded with a connecting plate 1-7-1, the right end of the top plate is welded with an outer vertical plate 1-6 of the D-shaped edge girder, and the two sides of the top plate are respectively welded with a front vertical plate 1-7-3 and a rear vertical plate 1-7-5 to form a box girder structure.
As an optimized scheme of the invention, the two ends of the outer sides of the front vertical plate 1-1-3 and the rear vertical plate 1-1-5 of the front box girder 1-1 are provided with large grooves, one end of the large groove forms a T-shaped welding head with the connecting plate 1-1-1, the other end of the large groove forms a T-shaped welding head with the outer vertical plate 1-6, double-side welding is carried out, the outer side is welded through groove welding and fillet welding, and the inner side is welded through fillet welding.
The two ends of the outer sides of the front vertical plate 1-7-3 and the rear vertical plate 1-7-5 of the rear box girder 1-7 are provided with large grooves, one end of the large groove forms a T-shaped welding head with the connecting plate 1-7-1, the other end of the large groove forms a T-shaped welding head with the outer vertical plate 1-6, double-side welding is carried out, the outer side is welded through groove welding and fillet welding, and the inner side is welded through fillet welding.
As an optimized scheme of the invention, a plurality of symmetrical holes with different sizes are formed on the front vertical plate and the rear vertical plate of the front box girder 1-1, so that the weight is reduced and the optimal path for the pipeline to pass is ensured on the premise of ensuring the strength and the rigidity.
As shown in fig. 4, the outer surface of the top plate is provided with a large groove on its periphery, and is connected to the connecting plate, the front and rear vertical plates, and the outer vertical plate to form a T-shaped welding head, thereby performing double-side welding, and the outer side is welded by groove welding and fillet welding, and the inner side is welded by fillet welding. The inner surface of the top plate is directly welded with the front and rear vertical plates and the connecting plate through fillet welds.
As shown in fig. 5, in the welding process of the box girder, the bottom plate is the last welded plate, and the inside cannot be welded, so that a large groove is formed around the outer surface of the bottom plate, and the bottom plate is connected with the connecting plate, the front and rear vertical plates, and the outer vertical plate to form a T-shaped welding head, and is welded at one side, and the outside is welded by groove welding and fillet welding.
As shown in figure 2, the front vertical plate and the rear vertical plate of the front box girder and the rear box girder are welded with the outer vertical plate 1-6 in the D-shaped edge girder through groove weld seams, the outer side of the rear vertical plate 1-1-5 of the front box girder 1-1 is welded with the front end of the inner edge girder 1-15 near the connecting plate 1-1-1, and the outer side of the front vertical plate 1-7-3 of the rear box girder 1-7 is welded with the rear end of the inner edge girder 1-15 near the connecting plate 1-7-1, so that a basic structure of the frame is formed.
In a further scheme, counter bores with the same number as the unthreaded holes and concentricity with the unthreaded holes are formed in the connecting surfaces of the connecting plates 1-1-1 and 1-7-1 and the spacer bush 4, so that the flatness of the spacer bush 4 and the connecting plates 1-1-1 and 1-7-1 is ensured; the mounting surfaces of the connecting plates 1-1-1 and 1-7-1 connected with the turntable main body are all machined surfaces, and the mounting surfaces of the front box girder connecting plate and the rear box girder connecting plate are on the same plane; the connecting plates 1-1-1 and 1-7-1 are made of high-strength steel with thicker plate thickness;
as shown in figure 2, the front ends of the cross beams 1-3 and the cross beams 1-18 between the front box girder and the rear box girder are welded with the outer sides of the rear vertical plates 1-1-5 of the front box girder 1-1, and the rear ends of the cross beams are welded with the outer sides of the front vertical plates 1-7-3 of the rear box girder 1-7, so that the strength of the frame structure is further enhanced, and accessories and pipelines of a power device can be installed and fixed on the cross beams.
As an optimized scheme of the invention, as shown in figure 2, the cross beams 1-3 and the cross beams 1-18 are longer, the channel beams 1-5 are welded between the cross beams 1-3 and the outer vertical plates 1-6 for strengthening rigidity, and the cross braces 1-16 and the cross braces 1-17 are welded between the cross beams 1-18 and the inner side beams 1-15.
In the preferred scheme, the cross sections of the cross beams 1-3 and the cross beams 1-18 are equal angle steels, so that the strength and the rigidity are greatly improved and the weight is reduced compared with plates with the same thickness.
In the preferred scheme, the cross sections of the channel beams 1-5, the cross sections of the cross braces 1-1-6 and the cross braces 1-17 are all channel steel, so that the strength and the rigidity of the frame are improved, and the weight is reduced;
as shown in fig. 2, the inner vertical plates 1-13 and the inner rear side beams 1-14 are welded into inner rear side beams with D-shaped cross sections, and then the front ends of the inner rear side beams are welded with the left ends of the outer sides of the rear vertical plates 1-7-5 of the rear box beams 1-7; the rear sealing plates 1-10 and the rear cross beams 1-12 are welded into a rear side beam with a D-shaped cross section, the left end of the rear side beam is welded with the inner vertical plates 1-13, and the right end of the rear side beam is welded with the outer vertical plates 1-6 to further enhance the rigidity of the frame.
As shown in fig. 2, the front end of the external mounting plate 1-9 of the radiator is welded with the right end of the outer side of the rear vertical plate 1-7-5 of the rear box girder, the rear end is welded with the rear seal plate 1-10, and the right end is welded with the external vertical plate 1-6; the front end of an inner mounting plate 1-11 of the radiator is welded with the left end of the outer side of a rear vertical plate 1-7-5 of a rear box girder, the rear end of the inner mounting plate is welded with a rear sealing plate 1-10, and the left end of the inner mounting plate is welded with an inner vertical plate 1-13.
In a further scheme, two holes for fixing the radiator are formed in the outer mounting plate 1-9 of the radiator and the inner mounting plate 1-11 of the radiator.
In a further scheme, the upper surfaces of the outer mounting plates 1-9 and the inner mounting plates 1-11 of the radiator are welded on the same plane and the flatness is guaranteed.
As shown in figure 2, a front bracket 1-2 of the power device is welded on the upper plane of a top plate 1-1-2 of a front box girder 1-1 through a right vertical plate 1-2-2, a left vertical plate 1-2-4 and the lower end surface of a rib plate 1-2-3.
In a further scheme, two power device front brackets 1-2 are provided; after welding, the upper surface of the top plate is ensured to be on the same plane.
As shown in figure 6, the front support 1-2 of the power device is formed by welding the upper end surface of a right vertical plate 1-2-2, a rib plate 1-2-3 and a left vertical plate 1-2-4 with the lower surface of a top plate 1-2-1, and welding the left side and the right side of the rib plate 1-2-3 with the inner sides of the left vertical plate and the right vertical plate.
In a further scheme, as shown in fig. 6, two holes for mounting shock-absorbing pads of the power device are formed in the top plate 1-2-1, and the front support of the top plate is double-shock-absorbing.
As shown in fig. 2, a rear bracket 1-8 of the power device is welded on the upper plane of a top plate 1-7-2 of a rear box girder 1-7 through a right vertical plate 1-8-2, a left vertical plate 1-8-4 and a lower end face of a rib plate 1-8-3;
in a further scheme, two power devices are provided, namely rear supports 1-8; after welding, the upper surface of the top plate is ensured to be on the same plane.
As shown in figure 7, the upper end surfaces of a right vertical plate 1-8-2 and a left vertical plate 1-8-4 are welded with the lower surface of a top plate 1-8-1, and the left side and the right side of a rib plate 1-8-3 are welded with the inner sides of the left vertical plate and the right vertical plate to form a rear support 1-8 of the power device.
In a further embodiment, as shown in fig. 7, the top plate 1-8-1 is provided with a hole for mounting a shock pad of the power device, and the rear bracket is provided with a single shock absorber.
As an optimized scheme of the invention, as shown in figure 7, U-shaped notches are formed at the upper ends of rib plates 1-8-3 to ensure the space required by the power device for installing a single shock pad.
As an optimized scheme of the invention, as shown in FIGS. 6 and 7, holes on the top plates 1-2-1 and 1-8-1 are provided with chamfers of C2, so that the smooth assembly of the shock pad of the power device is ensured.
As an optimized proposal of the invention, as shown in figures 6 and 7, the plane of the top plate for installing the shock pad is a processing surface.
As an optimized proposal of the invention, as shown in figures 6 and 7, welding grooves are arranged on the outer sides of the left vertical plate and the right vertical plate.
In summary, the frame structure for mounting the power unit and the hydraulic excavator according to the present invention include a frame structure to which the power unit is mounted and which is connected to the turret main body by the spacer and the large bolt. The frame structure includes: the front box beam and the rear box beam are welded with a connecting plate for mounting a spacer bush and a large bolt and a bracket for mounting a power device; the outer side beam is welded with the right side ends of the front box beam and the rear box beam; and the inner edge beam is welded with the left sides of the front box beam and the rear box beam near the connecting plate. The invention can mount and fix the accessory device of the power device and the fixing of various pipelines while bearing the power device, realizes the light weight and modularization of the frame on the premise of meeting the strength, and is convenient for disassembly, assembly, transportation and later maintenance.
As shown in fig. 1 and 8, the invention also provides an engineering machine, which comprises a frame structure 1, a power device 2, a large bolt 3, a spacer 4 and a main body mounting plate 5. The power device 2 is fixedly arranged on the frame structure 1; the connecting plate on the frame structure 1 is connected with the main body mounting plate 5 through the spacer 4 and the big bolt 3.
The preferable scheme is as follows: the construction machine includes a hydraulic excavator.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A frame structure for mounting a power unit, comprising:
the front box beam and the rear box beam are welded with a connecting plate for mounting a spacer bush and a bolt and a bracket for mounting a power device;
the D-shaped edge beam formed by the outer edge beam and the outer vertical plate is welded with the right side ends of the vertical plates of the front box beam and the rear box beam;
and the inner edge beam is welded with the outer sides of the vertical plates of the front box beam and the rear box beam at a position close to the connecting plate.
2. A power unit mounting frame structure according to claim 1, wherein:
the front box girder and the rear box girder are welded by a box structure consisting of a connecting plate, a top plate, a front vertical plate, a bottom plate and a rear vertical plate.
3. A power unit mounting frame structure according to claim 2, wherein:
the left end of the top plate is welded with the connecting plate, the right end of the top plate is welded with the outer vertical plate of the D-shaped edge beam, and two sides of the top plate are respectively welded with the front vertical plate and the rear vertical plate to form a box girder structure.
4. A power unit mounting frame structure according to claim 2, wherein:
the periphery of the outer surface of the top plate is provided with a large groove, the large groove is respectively connected with the connecting plate, the front vertical plate, the rear vertical plate and the outer vertical plate to form a T-shaped welding head, double-side welding is carried out, the outer side of the large groove is welded through groove welding and fillet welding, the inner side of the large groove is welded through fillet welding, and the inner surface of the top plate is directly welded with the front vertical plate, the rear vertical plate and the connecting plate through fillet welding;
the periphery of the outer surface of the bottom plate is provided with a large groove, the large groove is respectively connected with the connecting plate, the front vertical plate, the rear vertical plate and the outer vertical plate to form a T-shaped welding head, single-side welding is carried out, and the outer side of the T-shaped welding head is welded through groove welding and fillet welding.
5. A power unit mounting frame structure according to claim 1, wherein:
the mounting surfaces of the connecting plates connected with the rotary table main body are machined surfaces, and the mounting surfaces of the connecting plates on the front box girder and the rear box girder are on the same plane.
6. A power unit mounting frame structure according to claim 1, wherein:
two beams are welded on two sides between the rear vertical plate of the front box girder and the front vertical plate of the rear box girder respectively;
a groove-shaped beam is welded between one of the cross beams and the outer vertical plate, and a cross brace is welded between the other cross beam and the inner side beam.
7. A power plant mounting frame structure as claimed in claim 1, further comprising:
the front end of the D-shaped inner rear edge beam formed by the inner vertical plate and the inner rear edge beam is welded with the left end of the outer side of the rear vertical plate of the rear box beam;
the left end of the D-shaped rear edge beam formed by the rear sealing plate and the rear cross beam is welded with the inner vertical plate, and the right end of the D-shaped rear edge beam is welded with the outer vertical plate;
the front end of the radiator outer mounting plate is welded with the right end of the outer side of the rear vertical plate of the rear box girder, the rear end of the radiator outer mounting plate is welded with the rear sealing plate, and the right end of the radiator outer mounting plate is welded with the outer vertical plate;
the front end of the radiator inner mounting plate is welded with the left end of the outer side of the rear vertical plate of the rear box girder, the rear end of the radiator inner mounting plate is welded with the rear sealing plate, and the left end of the radiator inner mounting plate is welded with the inner vertical plate.
8. A power unit mounting frame structure according to claim 1, wherein:
two power device front brackets are arranged on the front box girder;
the power device front support comprises a top plate, a right vertical plate, a rib plate and a left vertical plate;
the upper end surfaces of the right vertical plate, the rib plate and the left vertical plate are welded with the lower surface of the top plate, and the left side and the right side of the rib plate are welded with the inner sides of the left vertical plate and the right vertical plate;
and the top plate is provided with two holes for mounting the shock absorption pad of the power device.
9. A power unit mounting frame structure according to claim 1, wherein:
two power devices and a rear bracket are arranged on the rear box girder;
the rear support of the power device comprises a top plate, a right vertical plate, a rib plate and a left vertical plate;
the upper end surfaces of the right vertical plate and the left vertical plate are welded with the lower surface of the top plate, and the left side and the right side of the rib plate are welded with the inner sides of the left vertical plate and the right vertical plate;
the top plate is provided with a hole for mounting a shock pad of the power device.
10. A construction machine characterized in that:
comprising a power unit, a body mounting plate, bolts, spacers and a frame structure according to any one of claims 1 to 9;
the power device is arranged on a front support and a rear support in the frame structure through shock pads, and the front support and the rear support are respectively welded on a front box girder and a rear box girder in the frame structure;
and the connecting plate on the frame structure is connected with the main body mounting plate of the rotary table main body through a spacer bush and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184691.XA CN114508148A (en) | 2022-02-28 | 2022-02-28 | Frame structure for mounting power device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184691.XA CN114508148A (en) | 2022-02-28 | 2022-02-28 | Frame structure for mounting power device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
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| CN114508148A true CN114508148A (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210184691.XA Pending CN114508148A (en) | 2022-02-28 | 2022-02-28 | Frame structure for mounting power device and engineering machinery |
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| Country | Link |
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| CN (1) | CN114508148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220025609A1 (en) * | 2020-07-22 | 2022-01-27 | Caterpillar Underground Mining Pty. Ltd. | Internal Support Structure for Underground Battery Machines |
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