CN201447724U - Set top cover for excavator - Google Patents

Abstract

The utility model discloses a set top cover for an excavator, comprising a body mounted at an opening of a covering member, characterized in that the body comprises a muffler cover, a host cover and a radiator cover, the bottom of the muffler cover is fixedly connected with the covering member by a bolt, a support longitudinal beam perpendicular arranged perpendicularly to a support crossbeam is arranged in the middle of the host cover, the host cover comprises a front cover body and a rear cover body which are locate at both sides of the longitudinal beam respectively, opposite sides of the front cover body and the rear cover body are respectively hinged on the support longitudinal beam, a first supporting structure is arranged between the front and the rear cover body and the support crossbeam at the muffler cover side, and the bottom of the radiator cover is movably connected with the covering member by a second supporting structure. According to the utility model, the supporting structures are respectively arranged between the host cover and the support crossbeam and between the radiator cover and the covering member, so that the opening and closing of the set top cover is more convenient and labor-saving, and the set top cover is non-deformable, thus the operator can maintain the engine and the like conveniently.

Description

A kind of machine overhead guard that is used for excavator

Technical field

The utility model relates to a kind of machine overhead guard, is specifically related to a kind of machine overhead guard that is used on the excavator.

Background technology

The main purpose of excavator is a digging material and transfer to the emptying point from the face of land, goes back to excavation site after the discharging again, repeats.Generally form by several parts such as equipment, slewing equipment, running gear and hydraulic control devices, described equipment is a device of directly finishing mining task, and slewing equipment and running gear are the bodies of hydraulic crawler excavator, equipment is transferred on slewing equipment, and slewing equipment is fixed on the underframe of running gear.

Devices such as motor and annex thereof, radiator, hydraulic oil cooler are commonly called the main frame of excavator, are arranged on the running gear.Badly main frame is impacted (mainly being the influence of dust to main frame) for fear of operating environment, covering is set outside main frame usually, for ease of maintenance and regular maintenance, covering corresponding to the main frame top is provided with opening, corresponding opening part is provided with the machine overhead guard, one side of this machine overhead guard is connected through hinge through with covering, opposite side is provided with the buckle structure that cooperates with covering, open buckle structure during use, upwards promote the machine overhead guard, make the machine overhead guard around hinge axis, can open the machine overhead guard, carry out maintenance each parts in the main frame.

Yet, for in, for the large-tonnage excavator, increase along with power, the volume of motor and annex, radiator, hydraulic oil cooler all increases to some extent, thereby cause the volume of machine overhead guard also to increase, weight increases thereupon thereupon, causes and opens effort, and the strut that is used for the support machine overhead guard after opening also is out of shape because machine overhead guard weight is excessive easily, thereby makes the maintenance inconvenience that motor and annex thereof etc. install.

Summary of the invention

The utility model purpose provides a kind of machine overhead guard that is used for excavator, by the improvement to structure, makes more convenient and strength-saving of keying of machine overhead guard, and not yielding, and handled easily the person safeguard devices such as motors.

For achieving the above object, the technical solution adopted in the utility model is: a kind of machine overhead guard that is used for excavator, comprise that one is installed on the body of covering opening part, described body is a three stage structure, constitute by muffler cover, main frame cover and radiator cover, separated by a supporting traverse between the adjacent cover body, the cross-over connection of left and right supporting traverse difference is on covering opening dual-side; Fixedly connected with described covering through bolt in described muffler cover bottom; Be provided with in the middle of the described main frame cover one with the support stringer of the perpendicular layout of supporting traverse, these support stringer two ends are connected with left and right supporting traverse respectively, described main frame cover is divided into the forward and backward cover body that is positioned at these longeron both sides, the opposite side of forward and backward cover body is articulated in respectively on the described support stringer, is provided with first braced structures between the described supporting traverse of described forward and backward cover body and corresponding muffler cover side; Described radiator cover bottom flexibly connects through second braced structures and described covering.

In the technique scheme; be provided with motor and annex thereof in the described excavator main frame; radiator; devices such as hydraulic oil cooler; on main frame, cover organic overhead guard; main frame is played a protective role; the operator safeguards at any time to main frame for convenience; need the machine overhead guard to open and close. this machine overhead guard is a three stage structure; separate by a supporting traverse between adjacent cover body; a left side; the right supporting traverse outside is respectively muffler cover and radiator cover; muffler cover is fixedlyed connected with covering; be provided with in the middle of the main frame cover one with the vertically arranged support stringer of supporting traverse; before being divided into by this longeron; rear cover body; its opposite side is articulated on the support stringer respectively; before; be provided with first braced structures between rear cover body and supporting traverse; be provided with second braced structures between radiator cover bottom and covering. during use; muffler cover is owing to seldom open; so fixedly connected with covering through bolt in its bottom; before; be provided with first braced structures between rear cover body and supporting traverse; between radiator cover bottom and covering second braced structures is arranged; thereby it is preceding; rear cover body and radiator cover can be opened easily; opening the back is fixed by support construction supports; the operating personnel that are convenient to operation overhaul device. and this braced structures can adopt supporting bar structure of the prior art, as is similar to supporting bar structure of bonnet before the automobile etc.

Further technical scheme, described first, second braced structures is a sliding supporting structure, comprise support bar, slide block and the chute that cooperates with slide block, the end of chute is provided with the corner draw-in groove, support bar one end and described machine overhead guard in described first braced structures are hinged, and the other end is arranged with described slide block, and described chute is located on the supporting traverse of nearly described muffler cover side, its chute direction arranges that along the crossbeam bearing of trend nearly described support stringer end is the chute end; Support bar one end and described radiator cover in described second braced structures are hinged, and the other end is arranged with described slide block, and described chute is opened on the horizontally disposed base, are the chute end away from described main frame cover end, and this base is fixed on the described covering.Because support bar one end and machine overhead guard are hinged, when the machine overhead guard upwards opens, being arranged so that support bar is taken advantage of a situation and moving of support bar other end slide block along chute, when moving to the corner draw-in groove place that the chute end offers, slide block sticks into and stops in the corner draw-in groove sliding, support bar is fixed, thereby supports the machine overhead guard, and this moment, operating personnel can safeguard.When needs closure plane overhead guard, only need slide block is proposed from the corner draw-in groove, the closure plane overhead guard that overturns downwards, the slide block of support bar one end is taken advantage of a situation and is moved along chute, is closed until the machine overhead guard.

Further technical scheme, described support stringer two ends offer screw, are engaged on the left and right supporting traverse with described screw and offer screw, and both connect through bolt.Support stringer and left and right supporting traverse overlap joint is used bolton, and all screws have certain clearance with corresponding bolt, thereby can adjust the requirement that monnolithic case is satisfied in gap between each machine overhead guard.

Further technical scheme, described forward and backward cover body and radiator cover are provided with handle.The setting of described handle makes that the operation of operating personnel's headstock gear overhead guard is more convenient and strength-saving.

Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:

1, because machine overhead guard of the present utility model is a three stage structure, be respectively muffler cover, main frame cover and radiator cover, the supported longeron of main frame cover is divided into forward and backward cover body, is provided with first braced structures between the described supporting traverse of described forward and backward cover body and corresponding muffler cover side; Described radiator cover bottom flexibly connects through second braced structures and described covering, so separate, can open the cover body of corresponding position according to the needs of machine maintenance position, and need not whole machine overhead guard is opened, thereby make more convenient and strength-saving of keying of machine overhead guard, and not yielding, handled easily the person safeguard devices such as motors;

2, the utility model is simple in structure, and is easy to use, is fit to promote the use of.

Description of drawings

Fig. 1 is the decomposing schematic representation of the utility model embodiment one;

Fig. 2 is the lateral view of machine overhead guard open mode among the utility model embodiment one;

Fig. 3 is the schematic diagram of Fig. 2 closed condition;

Fig. 4 is the overall schematic of the utility model embodiment one.

Wherein: 1, support stringer; 2, supporting traverse; 3, preceding cover body; 4, rear cover body; 5, muffler cover; 6, radiator cover; 7, support bar; 7, slide block; 9, chute; 10, corner draw-in groove; 11, base; 12, screw; 13, bolt; 14, handle.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described:

Embodiment one: referring to shown in Fig. 1 to 4, a kind of machine overhead guard that is used for excavator, comprise that one is installed on the body of covering opening part, described body is a three stage structure, constitute bymuffler cover 5, main frame cover and radiator cover 6, separated by a supportingtraverse 2 between the adjacent cover body, left and right supportingtraverse 2 difference cross-over connections are on covering opening dual-side; Fixedly connected with described covering throughbolt 13 in describedmuffler cover 5 bottoms; Be provided with in the middle of the described main frame cover one with the support stringer 1 of supportingtraverse 2 perpendicular layouts, these support stringer 1 two ends are connected with left and right supportingtraverse 2 respectively, described main frame cover is divided into the forward and backward cover body that is positioned at these longeron both sides, the opposite side of forward and backward cover body is articulated in respectively on the described support stringer 1, and described forward and backward cover body is provided with first braced structures with 2 of the described supporting traverses ofcorresponding muffler cover 5 sides; Described radiator cover 6 bottoms, second braced structures and described covering flexibly connect.Described first, second braced structures is a sliding supporting structure, comprisesupport bar 7, slide block 8 and thechute 9 that cooperates with slide block 8, the end ofchute 9 is provided with corner draw-ingroove 10, supportbar 7 one ends and described machine overhead guard in described first braced structures are hinged, the other end is arranged with described slide block 8, describedchute 9 is located on the supportingtraverse 2 of nearly describedmuffler cover 5 sides, and its chute direction arranges that along the crossbeam bearing of trend nearly described support stringer 1 end is the chute end;Support bar 7 one ends and described radiator cover 6 in described second braced structures are hinged, the other end is arranged with described slide block 8, describedchute 9 is opened on the horizontally disposedbase 11, is the chute end away from described main frame cover end, and thisbase 11 is fixed on the described covering.Described support stringer 1 two ends offerscrew 12, are engaged on the left andright brace summer 2 with describedscrew 12 and offerscrew 12, and both are fixedly connected through bolt 13.Described forward and backward cover body and radiator cover 6 are provided withhandle 14.

In use, the operator upwards opens forward and backward cover body by holdinghandle 14, precedingcover body 3 andrear cover body 4 are when upwards opening, the slide block 8 of hinged with it supportbar 7 its other ends is taken advantage of a situation and is slided alongchute 9, when slide block 8 slides into the corner draw-ingroove 10 ofchute 9 ends, promptly sticks in the corner draw-ingroove 10, stop to slide, this moment, supportbar 7 propped up forward and backward cover body, and the main frame cover is opened, and handled easily the person safeguard devices such as motors; After safeguard finishing, slide block 8 is proposed from corner draw-ingroove 10, close forward and backward cover body downwards, the slide block 8 ofsupport bar 7 one ends moves alongchute 9 at this moment, until stopping, thereby closes forward and backward cover body.Radiator cover 6 bottoms flexibly connect through braced structures and described covering, and its opening/shutting mode is similar to forward and backward cover body.Mufflercover 5 is not owing to often open, and directly fixedlys connected throughbolt 13 with 2 of left supporting traverses.

Claims (4)

1. machine overhead guard that is used for excavator, comprise that one is installed on the body of covering opening part, it is characterized in that: described body is a three stage structure, constitute by muffler cover (5), main frame cover and radiator cover (6), separated by a supporting traverse (2) between the adjacent cover body, the cross-over connection of left and right supporting traverse difference is on covering opening dual-side;

Fixedly connected with described covering through bolt (13) in described muffler cover (5) bottom;

Be provided with in the middle of the described main frame cover one with the support stringer (1) of the perpendicular layout of supporting traverse (2), this support stringer (1) two ends are connected with left and right supporting traverse (2) respectively, described main frame cover is divided into the forward and backward cover body that is positioned at these longeron both sides, the opposite side of forward and backward cover body is articulated in respectively on the described support stringer (1), is provided with first braced structures between the described supporting traverse (2) of described forward and backward cover body and corresponding muffler cover (5) side;

Described radiator cover (6) bottom flexibly connects through second braced structures and described covering.

2. a kind of machine overhead guard that is used for excavator according to claim 1, it is characterized in that: described first, second braced structures is a sliding supporting structure, comprise support bar (7), slide block (8) and the chute (9) that cooperates with slide block (8), the end of chute (9) is provided with corner draw-in groove (10), support bar (7) one ends and described machine overhead guard in described first braced structures are hinged, the other end is arranged with described slide block (8), described chute (9) is located on the supporting traverse (2) of nearly described muffler cover side, its chute (9) direction arranges that along the crossbeam bearing of trend nearly described support stringer (1) end is the chute end; Support bar (7) one ends and described radiator cover (6) in described second braced structures are hinged, the other end is arranged with described slide block (8), described chute (9) is opened on the horizontally disposed base (11), away from described main frame cover end is the chute end, and this base (11) is fixed on the described covering.

3. a kind of machine overhead guard that is used for excavator according to claim 1, it is characterized in that: described support stringer (1) two ends offer screw (12), be engaged in described screw (12) and offer screw (12) on the left and right supporting traverse (2), both are fixedly connected through bolt (13).

4. a kind of machine overhead guard that is used for excavator according to claim 1, it is characterized in that: described forward and backward cover body and radiator cover are provided with handle (14).

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