CN203049665U - Upper frame of engineering machinery - Google Patents
Upper frame of engineering machinery Download PDFInfo
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- CN203049665U CN203049665U CN201220531600.7U CN201220531600U CN203049665U CN 203049665 U CN203049665 U CN 203049665U CN 201220531600 U CN201220531600 U CN 201220531600U CN 203049665 U CN203049665 U CN 203049665U
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- beam slab
- supporting leg
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- leg plate
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Abstract
The utility model relates to an upper frame of engineering machinery. The upper frame comprises a beam slab, a first support bracket and a second support bracket, wherein the beam slab is arranged between a pair of longitudinal plates which are vertically arranged on a base plate of the upper frame, and the beam slab is used for connecting the longitudinal plates with each other; the first support bracket is supported and carried on first equipment on the upper frame; the second support bracket is supported and carried on second equipment on the upper frame; the first support bracket comprises a pair of first support leg plates, wherein the first support leg plates are arranged at intervals in the width direction of a lower walking body and extend to above the upper end of the beam slab along the beam slab; the second support bracket comprises a second support leg plate, wherein the second support leg plate extends to above the upper end of the beam slab along the beam slab; each first support leg plate is provided with a side edge part engaged with one slab surface of two slab surfaces of the beam slab which mutually face towards the opposite side; and the second support leg plate is provided with a side edge part engaged in a position in the other slab surface of the two slab surfaces of the beam slab, which mutually face towards the opposite side and between the first support leg plates during observation in the direction perpendicular to the slab surface. Therefore, the beam slab can be prevented from deforming in the direction of slab thickness.
Description
Technical field
The utility model relates to the upper frame of engineering machinery.
Background technology
From in the past, known have an engineering machinery that possesses lower running body and carry the top revolving body on this lower running body.As an example of such engineering machinery, for example there is the open communique spy of Japan Patent to open disclosed engineering machinery 2009-057795 number.The top revolving body comprises the upper frame as vehicle frame.Upper frame comprises: base plate; A pair of stringer board is erect and to be arranged on the base plate and to extend along the fore-and-aft direction of lower running body; Beam slab, a pair of stringer board is connected to each other.In addition, upper frame is provided with for the supporting bracket that carries motor and driver's cabin etc.
In the case; consider by reducing cost degradation and the lightweight that number of parts and welding capacity bring; usually meeting is welded the outstanding pedestal plate of along continuous straight runs in the upper end of a supporting leg plate of supporting bracket, thereby this supporting bracket is formed the supporting structure of section T font.
In addition, be welded in beam slab as strength member by the supporting leg plate with supporting bracket, can guarantee intensity and the rigidity of supporting bracket.For example, driver's cabin is welded in the beam slab face towards the lower running body front side with supporting bracket, on the other hand motor is welded in the beam slab face towards the lower running body rear side with supporting bracket.
Yet, if on former and later two faces of beam slab, weld supporting bracket respectively, exist because of motor and driver's cabin and carry the problem that the load that applies at supporting bracket causes the beam slab distortion.
Particularly, when driver's cabin is welded in beam slab in the position that the overall width direction of lower running body staggers with supporting leg plate and motor each other with the supporting leg plate, because carrying the load that applies at supporting bracket, motor and driver's cabin cause the distortion of supporting leg plate, follow the distortion of this supporting leg plate, beam slab is distorted in the thickness of slab direction.
The utility model content
The purpose of this utility model is to provide a kind of upper frame that can suppress the engineering machinery of the distortion of beam slab on the thickness of slab direction.
The utility model relates in one aspect to the upper frame of engineering machinery, and described engineering machinery has lower running body, and described upper frame carries on described lower running body, and this upper frame comprises: base plate forms the bottom surface of described upper frame; A pair of stringer board is arranged on the described base plate in devices spaced apart setting on the width of described lower running body, and extends along the fore-and-aft direction of described lower running body; Beam slab is erect between described a pair of stringer board and is arranged on the described base plate, and described a pair of stringer board is connected to each other; First supporting bracket engages with described beam slab and carries first equipment on described upper frame from supported underneath; Second supporting bracket engages with described beam slab and carries second equipment on described upper frame from supported underneath; Wherein, described first supporting bracket comprises: a pair of first supporting leg plate, and devices spaced apart setting on the width of described lower running body, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The first pedestal plate, arrange in the mode across the upper end of the described a pair of first supporting leg plate, and engage with the upper end of this a pair of first supporting leg plate, described second supporting bracket comprises: the second supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The second pedestal plate, engage with the upper end of the described second supporting leg plate and give prominence to from this upper end along continuous straight runs, each first supporting leg plate in the described a pair of first supporting leg plate has two mutual side edge parts that the plate face engages in the plate face of opposition side with described beam slab, the described second supporting leg plate has side edge part, this side edge part and described beam slab towards the plate face of the opposition side of a described plate face that is described beam slab two mutually the position between the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in another plate faces in the plate face of opposition side engage.
The utility model relates to the upper frame of engineering machinery on the other hand, and described engineering machinery has lower running body, and described upper frame carries on described lower running body, and this upper frame comprises: base plate forms the bottom surface of described upper frame; A pair of stringer board is arranged on the described base plate in devices spaced apart setting on the width of described lower running body, and extends along the fore-and-aft direction of described lower running body; Beam slab is erect between described a pair of stringer board and is arranged on the described base plate, and described a pair of stringer board is connected to each other; First supporting bracket engages with described beam slab and carries first equipment on described upper frame from supported underneath; Second supporting bracket engages with described beam slab and carries second equipment on described upper frame from supported underneath; The 3rd supporting bracket engages with described beam slab and carries the 3rd equipment on described upper frame from supported underneath; Wherein, described first supporting bracket comprises: a pair of first supporting leg plate, and devices spaced apart setting on the width of described lower running body, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The first pedestal plate, arrange in the mode across the upper end of the described a pair of first supporting leg plate, and engage with the upper end of this a pair of first supporting leg plate, described second supporting bracket comprises: the second supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The second pedestal plate, engage with the upper end of the described second supporting leg plate and give prominence to from this upper end along continuous straight runs, described the 3rd supporting bracket comprises: the 3rd supporting leg plate, setting is arranged on the described base plate and extends to than top more, the upper end of this beam slab along described beam slab, each first supporting leg plate in the described a pair of first supporting leg plate has two mutual side edge parts that the plate face engages in the plate face of opposition side with described beam slab, the described second supporting leg plate has side edge part, this side edge part and described beam slab towards the plate face of the opposition side of a described plate face that is described beam slab two mutually the position between the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in another plate faces in the plate face of opposition side engages, being positioned at than the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in described another plate face of described the 3rd supporting leg plate and described beam slab more engages by the position outside the width of described lower running body.
According to the upper frame of engineering machinery of the present utility model, can suppress the distortion of beam slab on the thickness of slab direction.
Description of drawings
Fig. 1 is the integrally-built lateral view of the related engineering machinery of an expression embodiment of the present utility model.
Fig. 2 is the vertical view of the upper frame of the related engineering machinery of an embodiment of the present utility model.
Fig. 3 is the stereogram of the structure of each supporting bracket periphery of expression.
Fig. 4 is the stereogram of the structure of each supporting bracket of expression.
Fig. 5 is the lateral view of the setting of each supporting bracket of expression.
Fig. 6 is the vertical view of the setting of each supporting bracket of expression.
The specific embodiment
Below, based on accompanying drawing embodiment of the present utility model is described.In addition, only be illustration on the illustrative in nature of following embodiment, intention does not limit the utility model, its suitable thing or its purposes.
As shown in Figures 1 and 2, the related engineering machinery 10 of an embodiment of the present utility model is hydraulic crawler excavators, and it comprises: caterpillar lower running body 1; Top revolving body 2 is rotating mode carrying on this lower running body 1.
Top revolving body 2 comprises: as the upper frame 20 of vehicle frame; Fixture 4 is arranged on the front of upper frame 20 and is used for carrying out the digging operation of sandy soil etc.; Driver's cabin 5; Machine Room 6; Counterweight 7 is arranged on the rear end side of upper frame 20 and be used for keeps weight balancing with fixture 4.
In addition, in the present embodiment, as shown in Figure 1, under top revolving body 2 is arranged on state on the lower running body 1, the side that fixture 4 is set in accompanying drawing left side is made as " front side of lower running body 1 ", to be made as " rear side of lower running body 1 " as the accompanying drawing right side of its opposition side, with paper nearby the side that driver's cabin 5 is set of side be made as " left side of lower running body 1 ", will be made as " right side of lower running body 1 " as the paper inboard of its opposition side.Below in the explanation, all around wait direction under situation about not mentioning especially according to herein explanation.
Fixture 4 be arranged on top revolving body 2 left and right sides width the centre and in the anterior position of upper frame 20.Fixture 4 comprises swing arm 11, dipper 12, scraper bowl 13, reaches three hydraulic cylinders 14.The base end side of swing arm 11 is installed on a pair of stringer board 22 that is arranged on the upper frame 20 in the mode that can rotate.Dipper 12 is installed in the distal side of swing arm 11 in the mode that can rotate.Scraper bowl 13 is installed in the distal side of dipper 12 in the mode that can rotate.Three hydraulic cylinders 14 comprise for the hydraulic cylinder 14 that drives swing arm 11, for the hydraulic cylinder 14 that drives dipper 12, reach the hydraulic cylinder 14 that is used for driving scraper bowl 13.Each hydraulic cylinder 14 is subjected to hydraulic control.Swing arm 11, dipper 12 and scraper bowl 13 and the expanding-contracting action displacement linkedly that drives these hydraulic cylinder 14 respectively.
Driver's cabin 5 is arranged on the left front portion of upper frame 20.Driver's cabin 5 has the pulpit that the operator takes in inside, and comprises the guard shield that covers this pulpit rectangular box on every side.The seat that setting operation person takes a seat in the pulpit of driver's cabin 5 inside.In addition, be provided with the electric fixtures classes relevant with running operation such as operating means or display unit around the seat in pulpit.
Each stringer board 22 is made of the metal sheet of wall thickness.Each stringer board 22 is erect and is arranged on the base plate 21, and is welded on the upper surface of base plate 21.Pair of right and left stringer board 22 is spaced from each other setting at interval at the width (left and right directions) of lower running body 1, and all arranges along the mode that fore-and-aft direction extends with both.The fore-end of each stringer board 22 projects to than preceding frame 25 the place ahead more, and constitutes the support portion 22a that supports fixture 4.
Each beam slab 23 is made of the metal sheet that is arranged on the wall thickness between a pair of stringer board 22.Each beam slab 23 is erect and is arranged on the base plate 21, and is welded on the upper surface of base plate 21.The both ends, the left and right sides of each beam slab 23 are welded on respectively on the plate face with this end stringer board 22 in opposite directions.Thus, a pair of stringer board 22 is linked by beam slab 23 each other.In the present embodiment, four beam slab 23 devices spaced apart settings on the fore-and-aft direction of lower running body 1.
The leading section of each side frame 24 is engaged in preceding frame 25.Two fuel tanks support 30 is set between right side stringer board 22 and right side side frame 24.Each fuel tank forms by the bending metal sheet with support 30.Each fuel tank is welded on the plate face with this left part stringer board 22 in opposite directions with the left part of support 30, and each fuel tank is welded on the plate face with this right part side frame 24 in opposite directions with the right part of support 30.Thus, right side stringer board 22 is linked with support 30 by each fuel tank with right side side frame 24.Two fuel tanks arrange in the mode of arranging at the fore-and-aft direction of lower running body 1 with support 30.Be equipped with fuel tank 15 at two fuel tanks with support 30.
A plurality of side frame webs 26 are set between left side stringer board 22 and left side side frame 24.Each side frame web 26 is made of the metal sheet of wall thickness.The left part of each side frame web 26 is welded on the plate face with this left part side frame 24 in opposite directions, and the right part of each side frame web 26 is welded on the plate face with this right part stringer board 22 in opposite directions.Thus, left side stringer board 22 is linked by side frame web 26 with left side side frame 24.The mode that a plurality of side frame webs 26 are arranged with devices spaced apart on the fore-and-aft direction of lower running body 1 arranges.In addition, also be provided with side frame web 26 at the rear portion, right side of upper frame 20.Link right side stringer board 22 and right side side frame 24 by this side frame web 26.
A plurality of motors comprise with support 40: being welded in four beam slabs 23 arranging along the fore-and-aft direction of lower running body 1 from the front side number is support 40 on the 3rd the beam slab 23; Being welded on from the front side number is support 40 on the 4th the beam slab 23; Be welded on two supports 40 on the stringer board 22 of left side.A plurality of driver's cabins comprise with support 50: the support 50 on the welding former frame 25; Be welded on the support 50 on described the 3rd beam slab 23; Be welded on three supports 50 on the side frame 24 of left side.A plurality of operating oil tanks comprise being welded on from the front side number with support 60 and are the support 60 on second the beam slab 23 and are welded on support 60 on described the 3rd beam slab 23.
To shown in Figure 6, the motor on the plate face of rear side that is welded on described the 3rd beam slab 23 comprises a pair of motor supporting leg plate 41, motor pedestal plate 42, reaches motor stiffener 43 with support 40 as Fig. 3.Motor is examples of the first supporting leg plate of the present utility model with supporting leg plate 41, and motor is examples of the first pedestal plate of the present utility model with pedestal plate 42, and motor is examples of first stiffener of the present utility model with stiffener 43.
The supporting leg plate 41 devices spaced apart setting on the width of lower running body 1 of a pair of motor.Each motor is erect with supporting leg plate 41 and is arranged on the base plate 21, and is welded on the upper surface of base plate 21.Each motor arranges in the mode of its plate face towards the width (left and right directions) of lower running body 1 with supporting leg plate 41.Described two motors extend to than top more, the upper end of beam slab 23 along described the 3rd beam slab 23 with supporting leg plate 41.Each motor is welded on the back side panel face of described the 3rd beam slab 23 with the side edge part of supporting leg plate 41 front sides.
Motor arranging across the mode of a pair of motor with the upper end of supporting leg plate 41, and is welded in these upper ends with pedestal plate 42.Motor with pedestal plate 42 be positioned at than described the 3rd beam slab 23 more the top the position.By motor with pedestal plate 42 to arrange across the mode of a pair of motor with the upper end of supporting leg plate 41, the motor that is welded on described the 3rd beam slab 23 is a type with the section of support 40.
Motor is arranged on a pair of motor with supporting leg plate 41 between with the state that stiffener 43 tilts to approach along with the front side to lower running body 1 downwards, and this a pair of motor is connected to each other with supporting leg plate 41.Motor is welded on this each end difference motor in opposite directions with on the supporting leg plate 41 with the both ends of stiffener 43.Particularly, motor with the left part of stiffener 43 be welded on a pair of motor with the motor in the left side in the supporting leg plate 41 with on the supporting leg plate 41, motor with the right part of stiffener 43 be welded on a pair of motor with the motor on the right side in the supporting leg plate 41 with on the supporting leg plate 41.
The driver's cabin on the plate face of front side that is welded on described the 3rd beam slab 23 comprises driver's cabin supporting leg plate 51, driver's cabin pedestal plate 52, reaches driver's cabin stiffener 53 with support 50.Driver's cabin is examples of the second supporting leg plate of the present utility model with supporting leg plate 51, and driver's cabin is examples of the second pedestal plate of the present utility model with pedestal plate 52, and driver's cabin is examples of second stiffener of the present utility model with stiffener 53.
Driver's cabin is erect with supporting leg plate 51 and is arranged on the base plate 21, and its lower edge is welded on the upper surface of base plate 21.Driver's cabin arranges in the mode of its plate face towards the width (left and right directions) of lower running body 1 with supporting leg plate 51.Driver's cabin extends to than top more, the upper end of beam slab 23 along described the 3rd beam slab 23 with supporting leg plate 51.Driver's cabin is with the side edge part of supporting leg plate 51 rear sides, is arranged on when observing from the direction vertical with the plate face of described the 3rd beam slab 23 at a pair of motor with the position between the supporting leg plate 41, and is welded on the front side board face of described the 3rd beam slab 23.That is, driver's cabin is with the side edge part of supporting leg plate 51 rear sides, when being welded on observing from the direction vertical with this plate face in the front side board face of described the 3rd beam slab 23 a pair of motor with the position between the supporting leg plate 41 on.Driver's cabin extends with the heeling condition that extend upward to approach along with the front side to lower running body 1 on the top of supporting leg plate 51.
Driver's cabin is welded on the upper end that driver's cabin is used supporting leg plate 51 with pedestal plate 52.Driver's cabin is outstanding with the upper end along continuous straight runs of supporting leg plate 51 from driver's cabin with pedestal plate 52.Driver's cabin with pedestal plate 52 be positioned at than beam slab 23 more the top the position.The driver's cabin that is welded on the beam slab 23 is section T font with support 50.
By formation driver's cabin like this support 50, even if driver's cabin 5 is carried driver's cabin with support 50 on the time cause driver's cabin with 51 distortion of supporting leg plate because being applied to this driver's cabin with the load of support 50, also can be by the motor a pair of motor of support 40 supporting leg plate 41 these distortion of prevention.Thus, can suppress the torsional deformation of beam slab 23 on its thickness of slab direction.
In addition, in the present embodiment, since motor with support 40 be welded on beam slab 23 on the plate face of rear side, and driver's cabin with support 50 be welded on beam slab 23 on the plate face of front side, so beam slab 23 becomes the state that is stretched mutually from its thickness of slab direction both sides.Therefore, in the present embodiment, be welded on the trailing flank of beam slab 23 situation that and driver's cabin is not welded on support 50 on situation on the leading flank of beam slab 23 and driver's cabin be welded on beam slab 23 with support 50 leading flank motor is not welded on support 40 on the trailing flank of beam slab 23 with motor with support 40 and compare, more can suppress the deflection of the thickness of slab direction of beam slab 23.
In addition, for the driver's cabin that is section T font support 50, cause follows the running operation of engineering machinery 10 or the load change that produces of walking that driver's cabin is applied load with supporting leg plate 51 along its thickness of slab direction, thus, exists driver's cabin that the problem of vibrating or being out of shape takes place with supporting leg plate 51.For this reason, in the present embodiment, driver's cabin is with being equipped with on the supporting leg plate 51 for suppressing the driver's cabin stiffener 53 as ribs of driver's cabin with vibration and the distortion of the thickness of slab direction of supporting leg plate 51.
Driver's cabin is welded on beam slab 23, driver's cabin usefulness pedestal plate 52 and driver's cabin with on the supporting leg plate 51 with stiffener 53.Particularly, driver's cabin arranges with the overlapping mode of supporting leg plate 41 with the motor in the left side the supporting leg plate 41 with a pair of motor when the direction vertical with the plate face of beam slab 23 observed with its part with the base end part 53a of stiffener 53, and is welded on the position of leaning on the upper end of the plate face (leading flank) of beam slab 23 under this state.Driver's cabin is welded in the soffit that driver's cabin is used pedestal plate 52 with the top ends 53b that is positioned at the upper end of stiffener 53.Driver's cabin comprises with stiffener 53: protuberance 53c, and side-prominent forward from its base end part along continuous straight runs; Extension 53d, the end with base end part 53a side opposition side from this protuberance 53c extends to top ends 53b to upside.That is, driver's cabin is crooked between protuberance 53c and extension 53d with stiffener 53.Extension 53d side-looking lower edge driver's cabin extends with the wide substantial middle position of the plate of supporting leg plate 51.That is, extension 53d and driver's cabin with the top of supporting leg plate 51 similarly, the heeling condition of extending upward to approach along with the front side to lower running body 1 is extended.Driver's cabin is welded on the left plate face of driver's cabin with supporting leg plate 51 with the side edge part on stiffener 53 right sides.
The operating oil tank on the plate face of front side that is welded on described the 3rd beam slab 23 comprises operating oil tank supporting leg plate 61, operating oil tank pedestal plate 62, reaches operating oil tank stiffener 63 with support 60.Operating oil tank is examples of the 3rd supporting leg plate of the present utility model with supporting leg plate 61.
Operating oil tank is erect with supporting leg plate 61 and is arranged on the base plate 21, and extends to than top more, the upper end of beam slab 23 along beam slab 23.Operating oil tank arranges towards the mode of the fore-and-aft direction of lower running body 1 with its plate face with supporting leg plate 61.Operating oil tank is welded on the beam slab 23 with the state that lateral plates thereafter is connected to the front surface of beam slab 23 with supporting leg plate 61.Herein, operating oil tank with supporting leg plate 61 with its left end edge when the direction vertical with the plate face of beam slab 23 observed, be positioned at ratio engine with supporting leg plate 41 more on the lower the mode outside the width of portion's running body 1 arrange.That is, operating oil tank is welded on being positioned at than a pair of motor with supporting leg plate 41 position of the width outside of portion's running body 1 (particularly being the right side) more on the lower in the front side board face of beam slab 23 when the direction vertical with this plate face observed with supporting leg plate 61.
Operating oil tank is continuous with the upper end of supporting leg plate 61 from operating oil tank with pedestal plate 62, and outstanding to the right with the upper end along continuous straight runs of supporting leg plate 61 from this operating oil tank.Operating oil tank is formed by a sheet material with supporting leg plate 61 with pedestal plate 62 and operating oil tank, and constitutes operating oil tank in this sheet material and form with respect to the part bending of formation operating oil tank with supporting leg plate 61 with the part of pedestal plate 62 by making.Operating oil tank with pedestal plate 62 be positioned at than beam slab 23 more the top the position.
Operating oil tank extends to the soffit of operating oil tank with pedestal plate 62 from the leading flank of operating oil tank with the bottom of supporting leg plate 61 with stiffener 63.Operating oil tank is welded on the soffit that operating oil tank is used pedestal plate 62 with front side board face and the operating oil tank of supporting leg plate 61 with stiffener 63.Operating oil tank is brought into play function with supporting leg plate 61 and operating oil tank with the ribs of pedestal plate 62 as operating oil tank with stiffener 63.
" other embodiments "
Described embodiment also can change to following structure.
In the described embodiment, the plate face welding motor support 40 towards rear side at beam slab 23, on the other hand, at plate face welding driver's cabin support 50 and the operating oil tank support 60 towards the front side of beam slab 23, but the utility model is not limited to this structure.For example, also can be beam slab 23 towards the plate face of rear side welding motor with support 40 and beam slab 23 towards the plate face welding driver's cabin of front side with support 50 but not welding job fuel tank with the structure of support 60.That is, also can omit operating oil tank in the described embodiment with support 60.
[utilizability on the industry]
As mentioned above, the utility model by improving supporting bracket structure and the high effect of practicality that the position obtains to suppress the distortion of beam slab on the thickness of slab direction is set, the therefore utilizability height on the exceedingly useful and industry.
［ summary of utility model ］
The utility model is summarized as follows.
That is, the upper frame of the engineering machinery that the utility model is related is the upper frame that carries on the lower running body of engineering machinery, and it comprises: base plate forms the bottom surface of described upper frame; A pair of stringer board is arranged on the described base plate in devices spaced apart setting on the width of described lower running body, and extends along the fore-and-aft direction of described lower running body; Beam slab is erect between described a pair of stringer board and is arranged on the described base plate, and described a pair of stringer board is connected to each other; First supporting bracket engages with described beam slab and carries first equipment on described upper frame from supported underneath; Second supporting bracket engages with described beam slab and carries second equipment on described upper frame from supported underneath; Wherein, described first supporting bracket comprises: a pair of first supporting leg plate, and devices spaced apart setting on the width of described lower running body, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The first pedestal plate, arrange in the mode across the upper end of the described a pair of first supporting leg plate, and engage with the upper end of this a pair of first supporting leg plate, described second supporting bracket comprises: the second supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The second pedestal plate, engage with the upper end of the described second supporting leg plate and give prominence to from this upper end along continuous straight runs, each first supporting leg plate in the described a pair of first supporting leg plate has two mutual side edge parts that the plate face engages in the plate face of opposition side with described beam slab, the described second supporting leg plate has side edge part, this side edge part and described beam slab towards the plate face of the opposition side of a described plate face that is described beam slab two mutually the position between the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in another plate faces in the plate face of opposition side engage.
The upper frame of another engineering machinery that the utility model is related is the upper frame that carries on the lower running body of engineering machinery, and it comprises: base plate forms the bottom surface of described upper frame; A pair of stringer board is arranged on the described base plate in devices spaced apart setting on the width of described lower running body, and extends along the fore-and-aft direction of described lower running body; Beam slab is erect between described a pair of stringer board and is arranged on the described base plate, and described a pair of stringer board is connected to each other; First supporting bracket engages with described beam slab and carries first equipment on described upper frame from supported underneath; Second supporting bracket engages with described beam slab and carries second equipment on described upper frame from supported underneath; The 3rd supporting bracket engages with described beam slab and carries the 3rd equipment on described upper frame from supported underneath; Wherein, described first supporting bracket comprises: a pair of first supporting leg plate, and devices spaced apart setting on the width of described lower running body, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The first pedestal plate, arrange in the mode across the upper end of the described a pair of first supporting leg plate, and engage with the upper end of this a pair of first supporting leg plate, described second supporting bracket comprises: the second supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The second pedestal plate, engage with the upper end of the described second supporting leg plate and give prominence to from this upper end along continuous straight runs, described the 3rd supporting bracket comprises: the 3rd supporting leg plate, setting is arranged on the described base plate and extends to than top more, the upper end of this beam slab along described beam slab, each first supporting leg plate in the described a pair of first supporting leg plate has two mutual side edge parts that the plate face engages in the plate face of opposition side with described beam slab, the described second supporting leg plate has side edge part, this side edge part and described beam slab towards the plate face of the opposition side of a described plate face that is described beam slab two mutually the position between the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in another plate faces in the plate face of opposition side engages, being positioned at than the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in described another plate face of described the 3rd supporting leg plate and described beam slab more engages by the position outside the width of described lower running body.
Above-mentioned upper frame by improving supporting bracket structure and the load when the position being set can suppressing to carry on described support because of equipment cause the distortion of beam slab on the thickness of slab direction.Particularly, if the second supporting leg plate of the first supporting leg plate of first supporting bracket and second supporting bracket is welded in beam slab in the position that the width of lower running body staggers each other, load when then carrying on first and second supporting bracket because of first and second equipment causes first and second supporting leg plate distortion, follow this distortion, beam slab twists in the thickness of slab direction.With respect to this, in the above-mentioned upper frame, the position between a pair of first supporting leg plate when observing with the vertical direction of this plate face in the plate face of the second supporting leg plate and beam slab engages, even if the load when therefore carrying on second supporting bracket because of second equipment causes the distortion of the second supporting leg plate, also can end this distortion by a pair of first supporting leg plate resistance, its result can suppress the torsional deformation of beam slab on the thickness of slab direction.
In addition, in this upper frame, first supporting bracket engages with a plate face of beam slab, and second supporting bracket engages with another plate face of beam slab, therefore compare with the situation that both of first and second supporting bracket only are bonded on the face of a side of beam slab, can suppress the deflection of the thickness of slab direction of beam slab.Particularly, in this upper frame, load when carrying on first and second supporting bracket because of first and second equipment produces the power that acts on this first and second supporting bracket, and it is that the boundary is toppled over to opposition side mutually with the beam slab on the fore-and-aft direction of lower running body that this active force makes this first supporting bracket and this second supporting bracket.That is, beam slab becomes the state that is stretched to opposition side mutually by first supporting bracket and second supporting bracket from its thickness of slab direction both sides, therefore can suppress the deflection of this beam slab on the thickness of slab direction.
In addition, if adopt the structure that is supported first and second equipment by a supporting bracket, then can suppress the distortion of beam slab as described above.Yet, when supporting first and second equipment by a supporting bracket, because the running operation of following engineering machinery or load change that walking produces can cause supporting bracket resonance.Therefore, comparatively it is desirable to as above-mentioned upper frame, respectively by independently first supporting bracket and second supporting bracket support first equipment and second equipment.
In addition, in the upper frame that possesses the 3rd supporting bracket, except being supported first equipment and second equipment by first supporting bracket and second supporting bracket, can also support the 3rd equipment by the 3rd supporting bracket, and the structure by improving described first and second supporting bracket and the position is set can suppress the distortion of beam slab on the thickness of slab direction.
Comparatively it is desirable in the upper frame of above-mentioned engineering machinery, the described second supporting leg plate has the lower edge that engages with the upper surface of described base plate.
In this structure, because the lower edge of the second supporting leg plate is bonded on the upper surface of base plate, therefore even if in that the load on second supporting bracket time causes the second supporting leg plate effect is had when making the power that the second supporting leg plate topples over to the opposition side of beam slab because of the lift-launch of second equipment, because the lower edge of the second supporting leg plate is accepted by base plate, therefore also can suppress the second supporting leg plate and topple over.Its result can suppress the deflection of beam slab on the thickness of slab direction.
Comparatively it is desirable in the upper frame of above-mentioned engineering machinery, described first supporting bracket also comprises: first stiffener is arranged between the described a pair of first supporting leg plate; Wherein, described first stiffener comprises: an end engages with one in the described a pair of first supporting leg plate; The other end engages with another person in the described a pair of first supporting leg plate.
According to this structure, can improve intensity and the rigidity of first supporting bracket.
Comparatively it is desirable in the upper frame of above-mentioned engineering machinery, described second supporting bracket also comprises: second stiffener engages with described beam slab, the described second pedestal plate and the described second supporting leg plate; Wherein, described second stiffener comprises: base end part engages with described another plate face of described beam slab; Top ends engages with the soffit of the described second pedestal plate; Side edge part engages with the plate face of the described second supporting leg plate; Protuberance, outstanding from described base end part along continuous straight runs; Extension, the end with described base end part side opposition side from described protuberance extends to described top ends upward, and the part of the described base end part of described second stiffener arranges in the overlapping modes when the direction vertical with the plate face of described beam slab observed and the described a pair of first supporting leg plate.
In this structure, the side edge part of second stiffener is engaged in the plate face of the second supporting leg plate, and the base end part of second stiffener is engaged in another plate face of beam slab, therefore when the load that the second supporting leg plate is applied with to its thickness of slab direction, can accept this load by beam slab via second stiffener.Thus, can suppress vibration or the distortion of the second supporting leg plate on its thickness of slab direction.In addition, in this structure, the part of the base end part of second stiffener with when the direction vertical with the plate face of beam slab observed with a pair of first supporting leg plate overlapping modes arrange, therefore can be further and improve the rigidity of second supporting bracket.
As mentioned above, according to the utility model, position when the second supporting leg plate is arranged on and observes from the direction vertical with the plate face of beam slab between a pair of first supporting leg plate, even if the load when therefore carrying on second supporting bracket because of second equipment causes the distortion of the second supporting leg plate, also can end this distortion by a pair of first supporting leg plate resistance, thereby suppress the torsional deformation of beam slab on the thickness of slab direction.In addition, because first supporting bracket is engaged in a plate face of beam slab, therefore second supporting bracket is engaged in another plate face of beam slab, compares with the situation on the plate face that both of first and second supporting bracket only is bonded on beam slab, can suppress the deflection of the thickness of slab direction of beam slab.
Claims (5)
1. the upper frame of an engineering machinery, described engineering machinery has lower running body, and described upper frame carries on described lower running body, it is characterized in that comprising:
Base plate forms the bottom surface of described upper frame;
A pair of stringer board is arranged on the described base plate in devices spaced apart setting on the width of described lower running body, and extends along the fore-and-aft direction of described lower running body;
Beam slab is erect between described a pair of stringer board and is arranged on the described base plate, and described a pair of stringer board is connected to each other;
First supporting bracket engages with described beam slab and carries first equipment on described upper frame from supported underneath;
Second supporting bracket engages with described beam slab and carries second equipment on described upper frame from supported underneath; Wherein,
Described first supporting bracket comprises: a pair of first supporting leg plate, and devices spaced apart setting on the width of described lower running body, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The first pedestal plate arranges in the mode across the upper end of the described a pair of first supporting leg plate, and engages with the upper end of this a pair of first supporting leg plate,
Described second supporting bracket comprises: the second supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The second pedestal plate engages with the upper end of the described second supporting leg plate and gives prominence to from this upper end along continuous straight runs,
Each first supporting leg plate in the described a pair of first supporting leg plate has two mutual side edge parts that the plate face engages in the plate face of opposition side with described beam slab,
The described second supporting leg plate has side edge part, this side edge part and described beam slab towards the plate face of the opposition side of a described plate face that is described beam slab two mutually the position between the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in another plate faces in the plate face of opposition side engage.
2. the upper frame of an engineering machinery, described engineering machinery has lower running body, and described upper frame carries on described lower running body, it is characterized in that comprising:
Base plate forms the bottom surface of described upper frame;
A pair of stringer board is arranged on the described base plate in devices spaced apart setting on the width of described lower running body, and extends along the fore-and-aft direction of described lower running body;
Beam slab is erect between described a pair of stringer board and is arranged on the described base plate, and described a pair of stringer board is connected to each other;
First supporting bracket engages with described beam slab and carries first equipment on described upper frame from supported underneath;
Second supporting bracket engages with described beam slab and carries second equipment on described upper frame from supported underneath;
The 3rd supporting bracket engages with described beam slab and carries the 3rd equipment on described upper frame from supported underneath; Wherein,
Described first supporting bracket comprises: a pair of first supporting leg plate, and devices spaced apart setting on the width of described lower running body, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The first pedestal plate arranges in the mode across the upper end of the described a pair of first supporting leg plate, and engages with the upper end of this a pair of first supporting leg plate,
Described second supporting bracket comprises: the second supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab; The second pedestal plate engages with the upper end of the described second supporting leg plate and gives prominence to from this upper end along continuous straight runs,
Described the 3rd supporting bracket comprises: the 3rd supporting leg plate, and erect and to be arranged on the described base plate and to extend to than top more, the upper end of this beam slab along described beam slab,
Each first supporting leg plate in the described a pair of first supporting leg plate has two mutual side edge parts that the plate face engages in the plate face of opposition side with described beam slab,
The described second supporting leg plate has side edge part, this side edge part and described beam slab towards the plate face of the opposition side of a described plate face that is described beam slab two mutually the position between the described a pair of first supporting leg plate when observing with the vertical direction of this plate face in another plate faces in the plate face of opposition side engage
Being positioned at when observing with the vertical direction of this plate face than the described a pair of first supporting leg plate in described another plate face of described the 3rd supporting leg plate and described beam slab more engages by the position in the width outside of described lower running body.
3. the upper frame of engineering machinery according to claim 1 and 2 is characterized in that:
The described second supporting leg plate has the lower edge that engages with the upper surface of described base plate.
4. the upper frame of engineering machinery according to claim 1 and 2 is characterized in that:
Described first supporting bracket also comprises: first stiffener is arranged between the described a pair of first supporting leg plate; Wherein,
Described first stiffener comprises: an end engages with one in the described a pair of first supporting leg plate; The other end engages with another person in the described a pair of first supporting leg plate.
5. the upper frame of engineering machinery according to claim 1 and 2 is characterized in that:
Described second supporting bracket also comprises: second stiffener engages with described beam slab, the described second pedestal plate and the described second supporting leg plate; Wherein,
Described second stiffener comprises: base end part engages with described another plate face of described beam slab; Top ends engages with the soffit of the described second pedestal plate; Side edge part engages with the plate face of the described second supporting leg plate; Protuberance, outstanding from described base end part along continuous straight runs; Extension, the end with described base end part side opposition side from described protuberance extends to described top ends upward,
The part of the described base end part of described second stiffener arranges in the overlapping modes when the direction vertical with the plate face of described beam slab observed and the described a pair of first supporting leg plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-227630 | 2011-10-17 | ||
| JP2011227630A JP5810821B2 (en) | 2011-10-17 | 2011-10-17 | Construction machine upper frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203049665U true CN203049665U (en) | 2013-07-10 |
Family
ID=48531665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220531600.7U Expired - Fee Related CN203049665U (en) | 2011-10-17 | 2012-10-17 | Upper frame of engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5810821B2 (en) |
| CN (1) | CN203049665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317068A (en) * | 2014-08-01 | 2016-02-10 | 神钢建机株式会社 | Upper slewing body for use in construction machine |
| CN107614799A (en) * | 2015-09-30 | 2018-01-19 | 株式会社久保田 | Work machine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6180867B2 (en) * | 2013-09-24 | 2017-08-16 | 株式会社神戸製鋼所 | Engine support structure for construction machinery |
| JP5981907B2 (en) * | 2013-12-25 | 2016-08-31 | キャタピラー エス エー アール エル | Engine support for construction machinery |
| JP6563297B2 (en) * | 2015-09-30 | 2019-08-21 | 株式会社クボタ | Working machine |
| JP6563298B2 (en) * | 2015-09-30 | 2019-08-21 | 株式会社クボタ | Working machine |
| JP6644508B2 (en) * | 2015-09-30 | 2020-02-12 | 株式会社クボタ | Working machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3461079B2 (en) * | 1996-02-07 | 2003-10-27 | 日立建機株式会社 | All-turn type work machine |
| JP4094745B2 (en) * | 1998-09-29 | 2008-06-04 | プレス工業株式会社 | Cab mount bracket |
| JP2001040706A (en) * | 1999-08-03 | 2001-02-13 | Komatsu Ltd | Revolving base for construction machine |
| JP3908547B2 (en) * | 2002-01-30 | 2007-04-25 | 日立建機株式会社 | Construction machinery |
| JP3980911B2 (en) * | 2002-03-12 | 2007-09-26 | 新キャタピラー三菱株式会社 | Swivel work machine |
| JP2007120221A (en) * | 2005-10-31 | 2007-05-17 | Hitachi Constr Mach Co Ltd | Construction machine |
| JP2009057795A (en) * | 2007-09-03 | 2009-03-19 | Kobelco Contstruction Machinery Ltd | Construction machine |
-
2011
- 2011-10-17 JP JP2011227630A patent/JP5810821B2/en active Active
-
2012
- 2012-10-17 CN CN201220531600.7U patent/CN203049665U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317068A (en) * | 2014-08-01 | 2016-02-10 | 神钢建机株式会社 | Upper slewing body for use in construction machine |
| CN105317068B (en) * | 2014-08-01 | 2019-01-22 | 神钢建机株式会社 | The upper rotation of engineering machinery |
| CN107614799A (en) * | 2015-09-30 | 2018-01-19 | 株式会社久保田 | Work machine |
| CN107614799B (en) * | 2015-09-30 | 2020-02-28 | 株式会社久保田 | Working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5810821B2 (en) | 2015-11-11 |
| JP2013087462A (en) | 2013-05-13 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211017 |