CN205259249U

CN205259249U - Traction device and walking machine with same

Info

Publication number: CN205259249U
Application number: CN201521136832.2U
Authority: CN
Inventors: 王稳稳; 张明珍; 东荣; 何骞
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Heavy Industry Science and Technology Co Ltd Weinan Branch
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Heavy Industry Science and Technology Co Ltd Weinan Branch
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2016-05-25
Anticipated expiration: 2025-12-31

Abstract

The utility model relates to a traction equipment field discloses a draw gear and have its walking machinery, draw gear includes traction frame (1) and crossbeam (2), traction frame (1) have link (11) that are used for being connected to walking machinery's connection frame (7) and keep away from end (12) that pull of this link (11), crossbeam (2) set up in link (11) with pull between end (12), and can be connected to connect frame (7) in order to support traction frame (1). The utility model discloses a draw gear utilizes crossbeam (2) to support traction frame (1) to can reduce the effort of draw gear to connecting frame (7). When the traction device is assembled to the connecting frame (7), the cross beam (2) also helps to keep the traction frame (1) at the installation height, so that the labor intensity in the assembling process is effectively reduced, and the traction device can be conveniently assembled to the connecting frame (7).

Description

Draw-gear and there is its walking machine

Technical field

The utility model relates to pulling equipment, particularly, relates to a kind of draw-gear. In addition this practicality,Novelly also relate to a kind of walking machine with described draw-gear.

Background technology

Excavator is a kind ofly to excavate higher or lower than the material that holds machine side with scraper bowl, and pack into haulage vehicle orUnload the earthmoving machinery to rickyard, in modern society produces, be used widely. For example, do in forestIn industry, can utilize excavation power blader to dig tree root, shift trunk etc.

Excavator generally includes upper brace, equipment and running gear etc. Wherein, running gear masterComprise that track frame, four-wheel one are with, driving speed reducer etc. In order to implement traction, can shape on track frameBecome to have towing pad, can realize traction function by the steel wire rope through this towing pad. But, thisStructure and mode of traction easily damage track frame, are especially pulled object when heavier, and towing pad is around subject toPower is larger, easily causes fatigue damage, even causes track frame to be scrapped.

For example, Figure 1 shows that the disclosed a kind of traction knot of Chinese utility model patent CN203247636UStructure (for ease of explanation, again its parts having been made to mark). Wherein, connection frame 7 (descend vehicle frame,Also claim track frame) on be formed with towing pad 73, the link 11 (being jag end) of draw-gear formsThere is axis hole, thereby by the two being linked together through the bearing pin 6 of this towing pad 73 and axis hole. ShouldThe traction end 12 (being its 3rd link) of draw-gear upwards bends, so that operating personnel are suitablyHeight dismounting operation etc.

But the shortcoming of above-mentioned prior art is, be pulled thing and put on the reaction of traction end 12Power is because the bending of this traction end 12 forms the moment acting on this draw-gear, and this moment needsPut on the active force of draw-gear and balance by towing pad 73 by bearing pin 6, therefore, track frameEpipleural face (around towing pad 73) bears larger active force, easily causes this upper side to produce and becomesThe problem such as shape, crackle. And just as described above, for convenient working, traction end 12 is upwards curvedFolding is to suitable height, and this structure, by further increasing the active force bearing around towing pad 73, increasesAdd the normal pressure to towing pad 73 madial walls.

In addition, in the time of the above-mentioned draw-gear of assembling, need this draw-gear to remain on its setting height(from bottom),So that be connected to track frame by bearing pin 6. Therefore, its assembly process process is poor, need to be by manpowerOr suitable aid completes assembly work.

In view of this, be necessary to provide a kind of new draw-gear, to solve, above-mentioned prior art existsProblem at least partly.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of draw-gear, and this draw-gear can haveEffect reduces the active force to connection frame (as track frame), and is convenient to be assembled to connection frame.

In order to solve the problems of the technologies described above, the utility model provides a kind of draw-gear, this draw-gear bagDraw together hitch frame and crossbeam, described hitch frame has the link of the connection frame for being connected to walking machineWith the traction end away from this link, described crossbeam is arranged between described link and described traction end,And can be connected to described connection frame to support described hitch frame.

Preferably, described crossbeam is bolted the downside to described hitch frame, and on described crossbeamFor being provided with bolt sleeve through the through hole of described bolt, or described beam welding is to described tractionThe downside of frame.

Preferably, described hitch frame has V character form structure, and described link is positioned at this V character form structureJag end, described traction end is positioned at the engagement end portion of this V character form structure.

Preferably, between the jag end of described V character form structure, be connected with enhancing structure, this enhancing structureBe positioned at the upper side of described crossbeam and extend abreast with this crossbeam.

Preferably, described hitch frame is provided with the column that extends to predetermined altitude at described traction end, and this is verticalOne end away from described hitch frame of post is provided with suspension hook.

Preferably, described traction end is formed with the installing hole of vertical extension, and described column plug-in mounting is to this installationKong Zhong, and be welded in described hitch frame.

Preferably, the junction of described column and described hitch frame is provided with and extends towards described linkReinforcement.

Preferably, described crossbeam and/or described column-type become hollow-core construction.

Preferably, described link is provided with otic placode, is formed with horizontally extending connecting hole on this otic placode.

On this basis, the utility model also provides a kind of walking machine, and this walking machine comprises junctorThe described draw-gear that frame and the utility model provide, described hitch frame and described crossbeam are connected to respectively instituteState connection frame.

Preferably, this walking machine is excavator, and described connection frame is track frame, shape on this track frameBecome to have the driving seat that lays respectively at described hitch frame both sides, described crossbeam is connected to this driving seat.

Preferably, the described link of described hitch frame is connected to and is arranged at described connection frame by bearing pinEpipleural face on bearing, or, be soldered to the epipleural face of described connection frame.

By technique scheme, draw-gear of the present utility model can utilize cross beam support hitch frame,Be that crossbeam applies active force upwards to hitch frame, this active force can act on link with connection framePower form moment, be pulled thing with balance and act on the part moment of draw-gear, and then reduce this and leadThe active force of leading-in device to connection frame. In addition, this crossbeam is also convenient to increase draw-gear and connection frameBetween tie point, thereby reduce connection frame in the link position of hitch frame (around towing pad)Stress.

In the time being assembled to connection frame, draw-gear of the present utility model can utilize cross beam support tractionFrame, to contribute to making this hitch frame remain on setting height(from bottom), thereby effectively reduces the work in assembling processIntensity, can be assembled to connection frame by this draw-gear easily.

Other features and advantages of the utility model give the detailed description of the invention part subsequently in detailExplanation.

Brief description of the drawings

Accompanying drawing is to be used to provide further understanding of the present utility model, and forms of descriptionPoint, be used from explanation the utility model with detailed description of the invention one below, but do not form this practicalityNovel restriction. In the accompanying drawings:

Fig. 1 is the mounting structure schematic diagram of a kind of draw-gear in prior art;

Fig. 2 a-Fig. 2 c is respectively according to the installation of the draw-gear of a kind of preferred embodiment of the utility modelThe perspective view of structure and front view thereof and top view;

Fig. 3 a and Fig. 3 b are respectively the track frame of mounting structure in Fig. 2 a, the structural representation of draw-gearFigure;

Fig. 4 a-Fig. 4 c is respectively the structural representation of hitch frame, crossbeam and the column of draw-gear in Fig. 3 bFigure;

Fig. 5 is the mounting structure signal according to the draw-gear of the another kind of preferred embodiment of the utility modelFigure.

Description of reference numerals

1 hitch frame 11 links

12 traction ends 13 strengthen structure

14 installing hole 15 otic placodes

2 crossbeam 21 bolt sleeves

3 column 4 suspension hooks

5 reinforcement 6 bearing pins

7 connection frames 71 drive seat

72 bearing 73 towing pads

74 mount pads

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated. Be to be understood thatBe, detailed description of the invention described herein is only for description and interpretation the utility model, and is not used in limitThe utility model processed.

In the utility model, in the situation that not doing contrary explanation, the noun of locality of use as " on ",D score, " left side ", " right side " are often referred to position, upper and lower, left and right shown in the drawings, particularly, refer to leadLeading-in device and the upper and lower, left and right position of connection frame 7 (as track frame) under normal mounting state,This orientation is consistent with the orientation shown in accompanying drawing 2b.

In addition, although in explanation subsequently by the main row using excavator as the described draw-gear of applicationWalk machinery, and using the track frame of this excavator as the connection frame 7 that connects described draw-gear, but thisUtility model is not limited to this, and in suitable situation, the draw-gear that the utility model provides also can be usedIn other walking machines, carry out towage.

Shown in Fig. 2 a to Fig. 5, according to draw-gear of the present utility model, comprise hitch frame 1 HeCrossbeam 2, wherein, hitch frame 1 has relative link 11 and traction end 12, can pass through evenConnect end 11 and be connected to the connection frame 7 (as the track frame of excavator) of walking machine, and can utilize and leadDraw end 12 traction weights, for example, by traction end 12 hook steel wire ropes, limit by this steel wire rope with tractiveThe trunk of system etc.; Described crossbeam 2 is arranged between link 11 and traction end 12, and can be connected toConnection frame 7 is to support described hitch frame 1.

It should be noted that, although in illustrated preferred embodiment, crossbeam 2 is all connected to hitch frame 1,But this is not necessary condition of the present utility model. For example, distinguish individually at hitch frame 1 and crossbeam 2Be connected under the situation of connection frame 7 (being that hitch frame 1 is not connected with crossbeam 2), this crossbeam 2 is sameCan produce supporting role to hitch frame 1, and reach and improve the objects such as link 11 positions are stressed.

Particularly, in towage process, crossbeam 2 applies supporting role power upwards to hitch frame 1,This active force can act on connection frame 7 the downward power formation power of the link 11 of hitch frame 1Square, puts at least part of moment of hitch frame 1 by traction end 12 can balance to be pulled thing,Thereby the link 11 that reduces hitch frame 1 acts on to the active force on connection frame 7. Even hitch frame 1Still be connected to towing pad 73 at link 11, the utility model also can reduce to act on this towing pad 73Normal pressure on madial wall, thus the damage to connection frame 7 reduced. Analyze from mechanics principle, thisUtility model is in fact that the jib-length by changing hitch frame 1 reduces connection frame 7 at linkNear 11 stressed, with from improving in essence the stressed of connection frame 7.

In addition, in the time that draw-gear is connected to connection frame 7, can utilize crossbeam 2 to support hitch frame1, contribute to make this hitch frame 1 to remain on setting height(from bottom), thereby effectively reduce the work in assembling processIntensity, to be assembled to draw-gear on connection frame 7 easily.

In addition, draw-gear of the present utility model is also convenient to increase between draw-gear and connection frame 7Tie point, to reduce the stress of connection frame 7 in link 11 positions of hitch frame 1. For example,In illustrated preferred embodiment, crossbeam 2 can be connected to hitch frame 1 by the mode being spirally connected or weldDownside, lead thereby make a part of tractive force to be passed to being positioned at of connection frame 7 by crossbeam 2Near other positions (on the driving seat 71 of track frame) outside drawing the link 11 of frame 1, this willIn further preferred embodiment subsequently, describe in detail.

Shown in Fig. 2 a to Fig. 2 c, according to the draw-gear of a kind of preferred embodiment of the utility modelBe mounted on connection frame 7 (being in the nature track frame). This draw-gear comprises hitch frame 1, crossbeam 2And column 3. This column 3 is arranged on the traction end 12 of hitch frame 1 and extends to predetermined altitude, with convenientThe operations such as the hook of such as steel wire rope. One end away from hitch frame 1 of column 3 is provided with suspension hook 4, shouldSuspension hook 4 conventionally can be towards 11 bendings of the link of hitch frame 1. Be understandable that, although column 3Be illustrated as along the direction extension of the upper side of vertical distraction frame 1, but the utility model is not limited to this, verticalPost 3 also can be as extended obliquely, as long as it can handled easily personnel operation, these modes of texturing are equalBelong to design scope of the present utility model. In fact, draw-gear of the present utility model even can not establishedThis column 3, and with as prior art make hitch frame 1 form the structure being bent upwards, equally can be realExisting above-mentioned purpose.

In this draw-gear, as shown in reference to Fig. 4 a, hitch frame 1 can have V character form structure,Thereby link 11 is positioned at the jag end of this V character form structure, and traction end 12 is positioned at this V fontThe engagement end portion of structure. For improving the globality of this hitch frame 1, shown in can connect between jag endHave the structure 13 of enhancing, this enhancing structure 13 can be square steel etc. This enhancing structure 13 can have multiple,And one of them is positioned at the upper side of crossbeam 2 and extends abreast with this crossbeam 2.

In conjunction with Fig. 3 b to Fig. 4 b, crossbeam 2 can be bolted to the downside of hitch frame 1, and horizontalThe through hole for through described bolt on beam 2 can arrange bolt sleeve 21, to subtract in towageThe shearing force that stove bolt bears, avoids bolt strained excessive and cut off or distortion etc. Further,Crossbeam 2 can be bolted to connection frame 7, for example, is connected to the driving seat 71 of track frameOn. In this case, for avoiding damaging the structure that drives seat 71, seat 71 upside welding can drivenHave mount pad 74, this mount pad 74 forms the female blind hole of tool, avoiding damaging drivingUnder the prerequisite of seat 71, provide the connection basis of crossbeam 2. By this setup, draw-gear is notOnly there is the tie point at link 11 places of hitch frame 1, and there are crossbeam 2 two ends and drive seat 71The tie point forming, thus make connection frame 7 distribution of forces more even, avoid local pressure excessive and makeBecome distortion, damage etc.

For ease of the installation of column 3, hitch frame 1 can be formed with at traction end 12 peace of vertical extensionDress hole 14, thus column 3 can plug-in mounting to this installing hole 14, and by forming the mode of angle weldingBe soldered to hitch frame 1. Preferably, the junction (around installing hole 14) of column 3 and hitch frame 1Can be provided with the reinforcement 5 towards link 11, to improve the transmission of power and draw-gear is hadHigh intensity.

In addition, hitch frame 1, crossbeam 2, column 3 can be formed as hollow-core construction. For example, hitch frame 1Crossbeam 2 can be the body structure being welded by plate respectively, and column 3 can be hollow cylinder, pointNot as shown in Fig. 4 a to Fig. 4 c. On the one hand, this makes draw-gear lightweight, dismounting easily,Although may cause declining to some extent on bulk strength, this structure can effectively reduce connection frame7 damage. On the other hand, this can improve anufacturability, for example, and can be easily at hitch frameOn 1, form installing hole 14.

Importantly, shown in Fig. 2 a to Fig. 3 b, hitch frame 1 can be provided with ear at link 11Plate 15, is formed with horizontally extending connecting hole on this otic placode 15. Thereby, for example can be at connection frameOn 7 epipleural face, bearing 72 is set, by bearing pin 6, otic placode 15 is connected with bearing 72 pivotables,Can utilize this bearing pin 6 draw-gear to be applied to the power of horizontal direction and vertical direction, led to overcomePrimer is applied to the moment that active force on this draw-gear and this active force form and carries out towage.By described otic placode 15 is set, can avoid the damage to connection frame 7 by towing pad 73, and energyEnough on the basis of existing walking machine, transform easily.

Figure 5 shows that according to the draw-gear of the another kind of preferred embodiment of the utility model and be mounted to connectionMounting structure schematic diagram in frame 7. The draw-gear of this embodiment basic with above-mentioned preferred enforcement sideThe draw-gear of formula is similar, below the difference mainly for the two is described, and omits phaseWith the specific descriptions of part.

In this draw-gear, crossbeam 2 is welded on the downside of hitch frame 1, and can be welded at two endsOn connection frame 7, for example, be welded on the driving seat 71 of track frame. In addition, hitch frame 1 also can(at link) is soldered to the epipleural face of connection frame 7. In illustrated embodiment, hitch frame 1Jag end between reinforcement for being formed by plate of enhancing structure 13.

On the basis of above-mentioned draw-gear, the utility model also provides a kind of walking machine, this vehicle with walking machineTool comprises connection frame 7 and is connected to the draw-gear of this connection frame 7. Wherein, this draw-gearHitch frame 1 and crossbeam 2 are connected to respectively described connection frame 7. Typically, described walking machine is for diggingPick machine, its connection frame 7 is track frame, is formed with the wheel part for driving running gear on this track frameDriving seat 71, this driving seat 71 lays respectively at the both sides of hitch frame 1, for connecting described crossbeam2。

In the preferred embodiment shown in Fig. 2 a to 4c, the epipleural face of connection frame 7 is provided with and props upSeat 7, the link 11 of hitch frame 1 is provided with otic placode 15, and the two connects by bearing pin 6 pivotables, fromAnd hitch frame 1 is removably connected on connection frame 7.

In the another kind of preferred embodiment shown in Fig. 5, the link 11 of hitch frame 1 is soldered to instituteState the epipleural face of connection frame 7.

Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail, still, this practicality is newType is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present utility model,Can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to this realityWith novel protection domain.

It should be noted that in addition each the concrete technology spy described in above-mentioned detailed description of the inventionLevy, in reconcilable situation, can combine by any suitable mode. For fear of needn'tThe repetition of wanting, the utility model is to the explanation no longer separately of various possible combinations.

In addition, between various embodiment of the present utility model, also can be combined, onlyWant it without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims

1. a draw-gear, is characterized in that, this draw-gear comprises hitch frame (1) and crossbeam (2),Described hitch frame (1) has the link (11) of the connection frame (7) for being connected to walking machineWith the traction end (12) away from this link (11), described crossbeam (2) is arranged at described link (11)And between described traction end (12), and can be connected to described connection frame (7) and lead described in supportingDraw frame (1).

2. draw-gear according to claim 1, is characterized in that, described crossbeam (2) passes throughBolt is connected to the downside of described hitch frame (1), and on described crossbeam (2) for through described spiral shellIn the through hole of bolt, be provided with bolt sleeve (21), or described crossbeam (2) is soldered to described hitch frame (1)Downside.

3. draw-gear according to claim 1, is characterized in that, described hitch frame (1) toolHave V character form structure, described link (11) is positioned at the jag end of this V character form structure, described in leadDraw end (12) and be positioned at the engagement end portion of this V character form structure.

4. draw-gear according to claim 3, is characterized in that, described V character form structureBetween jag end, be connected with and strengthen structure (13), this enhancing structure (13) is positioned at described crossbeam (2)Upper side and extend abreast with this crossbeam (2).

5. draw-gear according to claim 1, is characterized in that, described hitch frame (1) existsDescribed traction end (12) is provided with the column (3) that extends to predetermined altitude, this column (3) away fromOne end of described hitch frame (1) is provided with suspension hook (4).

6. draw-gear according to claim 5, is characterized in that, described traction end (12)Be formed with the installing hole (14) of vertical extension, described column (3) plug-in mounting to this installing hole (14),And be welded in described hitch frame (1).

7. draw-gear according to claim 5, is characterized in that, described column (3) and instituteThe junction of stating hitch frame (1) is provided with the reinforcement (5) extending towards described link (11).

8. draw-gear according to claim 5, is characterized in that, described crossbeam (2) and/Or described column (3) is formed as hollow-core construction.

9. according to the draw-gear described in any one in claim 1 to 8, it is characterized in that instituteState link (11) and be provided with otic placode (15), this otic placode is formed with horizontally extending connection on (15)Hole.

10. a walking machine, is characterized in that, this walking machine comprises connection frame (7) and rootAccording to the draw-gear described in any one in claim 1 to 9, described hitch frame (1) and described horizontal strokeBeam (2) is connected to respectively described connection frame (7).

11. walking machines according to claim 10, is characterized in that, this walking machine is for diggingPick machine, described connection frame (7) is track frame, is formed with and lays respectively at described traction on this track frameThe driving seat (71) of frame (1) both sides, described crossbeam (2) is connected to this driving seat (71).

12. according to the walking machine described in claim 10 or 11, it is characterized in that described hitch frame(1) described link (11) is connected to and is arranged at described connection frame (7) by bearing pin (6)Epipleural face on bearing (72), or, be soldered to the epipleural face of described connection frame (7).