CN102424072A - Traveling device, and crawler pile frame and disassembling method and boarding method thereof - Google Patents

Traveling device, and crawler pile frame and disassembling method and boarding method thereof Download PDF

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Publication number
CN102424072A
CN102424072A CN2011103668872A CN201110366887A CN102424072A CN 102424072 A CN102424072 A CN 102424072A CN 2011103668872 A CN2011103668872 A CN 2011103668872A CN 201110366887 A CN201110366887 A CN 201110366887A CN 102424072 A CN102424072 A CN 102424072A
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CN
China
Prior art keywords
connected
pile frame
beam
platform assembly
crawler pile
Prior art date
Application number
CN2011103668872A
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Chinese (zh)
Inventor
张利
安贵平
陈白禹
Original Assignee
北京市三一重机有限公司
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Publication date
Application filed by 北京市三一重机有限公司 filed Critical 北京市三一重机有限公司
Priority to CN2011103668872A priority Critical patent/CN102424072A/en
Publication of CN102424072A publication Critical patent/CN102424072A/en

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Abstract

The invention provides a traveling device, and a crawler pile frame and a disassembling method and a boarding method thereof. The traveling device is used for the crawler pile frame and comprises two crawler frames and a beam which is connected between the two crawler frames through a pin shaft in a detachable mode. The crawler pile frame with a fixed base plate structure can be boarded in a time-saving, labor-saving, safe and quick mode, a complete machine is easily boarded, and the problem that the crawler pile frame runs to a platform wagon through the crawler frames and slides down is solved.

Description

Running gear, crawler pile frame and method for dismounting thereof and the method for getting on the bus

Technical field

The present invention relates to engineering machinery field, particularly a kind of running gear, crawler pile frame and method for dismounting thereof and the method for getting on the bus.

Background technology

Crawler pile frame has that propulsive effort is big, crossing ability reaches characteristics such as comformability is strong well, and can be with and carry walking, therefore on piling machinery, is used morely.

The chassis of crawler pile frame generally is divided into two kinds of telescopic and fixed types.Telescopic chassis advantage when getting on the bus is apparent in view, can launch left and right track frame during construction, increases chassis stability.Fixed type chasis then possesses the inaccessible size of telescopic chassis broadening, and stability is higher, but the increase of chassis oad has also increased the difficulty that transportation is got on the bus, and must dismantle track frame during transportation.Simultaneously, the pile frame of telescopic structure is because deadweight itself, and is although finding that flat truck slope long enough, pile frame are got on the bus when getting on the bus still can occur going up a slope the phenomenon that difficulty even slide comes in the process, very unfavorable to the transportation and the safety of complete machine.

Summary of the invention

The present invention proposes a kind of running gear, crawler pile frame and method for dismounting thereof and the method for getting on the bus, so that crawler pile frame is convenient, fast and accomplish the operation of getting on the bus safely.

First aspect, running gear of the present invention is used for crawler pile frame, comprises two track frames and is connected in the beam between said two track frames; Wherein, said beam removably is connected between said two track frames through bearing pin.

Preferably, in the above-mentioned running gear, each said track frame is provided with two risers; Said beam comprises beam body and four connecting portions; Said four connecting portions are connected with said beam body, form the H ellbeam; Wherein, the end of said each connecting portion is connected with first connecting panel and second connecting panel; Said first connecting panel and said second connecting panel are provided with at interval, form draw-in groove; Annexation between said beam and the said track frame further is: said riser is connected in the said draw-in groove, and said first connecting panel, riser and second connecting panel removably are connected through bearing pin.

Preferably, above-mentioned crawler pile frame is with in the running gear, and said bearing pin comprises connecting pin and power pin device.

Running gear of the present invention is used for crawler pile frame, because beam adopts the detouchable mode to be connected with crawler belt through bearing pin, therefore, before crawler pile frame is got on the bus, through being operatively connected the bearing pin of beam and track frame, realizes that left and right track frame dismounting is integrated; And then, the operation of getting on the bus of the crawler pile frame of fixed type chasis structure is saved time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

Second aspect, crawler pile frame of the present invention comprise the platform assembly, with said platform assembly bonded assembly running gear and be connected the front leg strut on the platform assembly, left back supporting leg and right back supporting leg; And said running gear comprises: two track frames; And be connected in the beam between said two track frames; Wherein, said beam removably is connected between said two track frames through bearing pin.

Preferably, in the above-mentioned crawler pile frame, each said track frame is provided with two risers; Said beam comprises beam body and four connecting portions; Said four connecting portions are connected with said beam body, form the H ellbeam; Wherein, the end of said each connecting portion is connected with first connecting panel and second connecting panel; Said first connecting panel and said second connecting panel are provided with at interval, form draw-in groove; Annexation between said beam and the said track frame further is: said riser is connected in the said draw-in groove, and said first connecting panel, riser and second connecting panel removably are connected through bearing pin.

Preferably, in the above-mentioned crawler pile frame, said bearing pin comprises connecting pin and power pin device.

Crawler pile frame of the present invention can upwards lift certain altitude with crawler pile frame by means of front leg strut on the pile frame and left and right rear support leg, the power pin device that is operatively connected beam and the track frame then left and right track frame of just can dismantling easily; And then the operation of getting on the bus that makes the crawler pile frame of fixed type chasis structure save time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

The third aspect; The method for dismounting of crawler pile frame of the present invention is based on above-mentioned crawler pile frame; Comprise the steps: to open the said front leg strut that is connected on the said platform assembly, said left back supporting leg and said right back supporting leg to predetermined angular; Cooresponding support oil cylinder is launched, said platform assembly is upwards lifted; Through being connected in the bearing pin between said beam and said two track frames, carry out the dismounting of said two track frames.

Preferably, in the method for dismounting of above-mentioned crawler pile frame, before the platform assembly upwards lifts, comprise the steps: also that diagonal brace is removed with the counterweight of dismantling, and the mast that fell with the equipment that is connected on the crawler pile frame.

The method for dismounting of crawler pile frame of the present invention is by means of front leg strut on the pile frame and left and right rear support leg; Can crawler pile frame upwards be lifted certain altitude; Operation connects beam and the track frame bearing pin left and right track frame of just can dismantling simply, efficiently then; And then the operation of getting on the bus that makes the crawler pile frame of fixed type chasis structure save time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

Fourth aspect; The method of getting on the bus of crawler pile frame of the present invention is based on above-mentioned crawler pile frame; Comprise the steps: to open the said front leg strut that is connected on the said platform assembly, said left back supporting leg and said right back supporting leg to predetermined angular; Cooresponding support oil cylinder is launched, said platform assembly is upwards lifted; Through being connected in the bearing pin between said beam and said two track frames, carry out the dismounting of said two track frames; Flat-bed trailer is stretched under the platform assembly of being lifted, pack up said front leg strut, left back supporting leg and right back supporting leg; Through the turning gear on the said platform assembly, with said platform assembly revolution °, the platform assembly is positioned on the flat-bed trailer, reach travelling position.

Preferably, in the method for getting on the bus of above-mentioned crawler pile frame, the platform assembly also comprises before upwards lifting: will be connected the equipment on the crawler pile frame, diagonal brace is removed with the counterweight of dismantling, and the mast that fell.

The method of getting on the bus of crawler pile frame of the present invention is by means of front leg strut on the pile frame and left and right rear support leg; Can crawler pile frame upwards be lifted certain altitude; The power pin device that is operatively connected beam and the track frame then left and right track frame of just can dismantling simply, efficiently; Dismantled account for the very most member of weight after, again flat-bed trailer is extend into below the pile frame platform, can pile frame directly be dragged away.The present invention make the operation of getting on the bus of the crawler pile frame of fixed type chasis structure save time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of running gear embodiment of the present invention;

Fig. 2 is the scheme of installation of running gear of the present invention;

Fig. 3 is the structural representation of crawler pile frame embodiment of the present invention;

Working state schematic representation when Fig. 4 lifts for the platform assembly;

Fig. 5 is the working state schematic representation after the track frame dismounting;

Working state schematic representation during platform assembly that Fig. 6 is lifted for flat-bed trailer stretches into;

Fig. 7 turn 90 degrees for the platform assembly revolves, and the platform assembly places the working state schematic representation on the dull and stereotyped holder car fully.

The specific embodiment

To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.

See figures.1.and.2.Wherein, Fig. 1 is the structural representation of running gear embodiment of the present invention; Fig. 2 is the scheme of installation of running gear of the present invention.

The present embodiment running gear is used for crawler pile frame, comprises two track frames 100 and is connected in two beams 200 between the track frame; Beam 200 removably is connected between two track frames 100 through bearing pin.

Wherein, each track frame 100 is provided with two risers 110; Beam 200 comprises beam body 210 and four connecting portions 220; Four connecting portions 220 are connected with beam body 210, form the H ellbeam; Wherein, the end of each connecting portion 220 is connected with first connecting panel 2201 and second connecting panel 2202; First connecting panel 2201 and second connecting panel 2202 are provided with at interval, form draw-in groove 2203.

Annexation between beam 200 and the track frame 100 further is: riser 110 is connected in the draw-in groove 2203, and first connecting panel 2201, riser 110 removably are connected through bearing pin with second connecting panel 2202.

In the specific implementation, bearing pin can comprise connecting pin 310 and power pin device 320.Wherein, power pin device 320 can be used Driven by Hydraulic Cylinder, possesses laborsaving, safe and reliable characteristics.

Running gear of the present invention is used for crawler pile frame, because beam adopts the detouchable mode to be connected with track frame through bearing pin, therefore, before crawler pile frame is got on the bus, through being operatively connected the bearing pin of beam and track frame, realizes that left and right track frame dismounting is integrated; And then, the operation of getting on the bus of the crawler pile frame of fixed type chasis structure is saved time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

With reference to Fig. 3, Fig. 3 is the structural representation of crawler pile frame embodiment of the present invention.

The present embodiment crawler pile frame mainly comprises running gear 1, counterweight 2, platform assembly 3, Shears 4, diagonal brace 5, mast 6 and equipment 7.Platform assembly 3 is connected with running gear 1, and, be connected with front leg strut 14, left back supporting leg 15 and right back supporting leg 16 on the platform assembly 3.

The structure of running gear 1 sees figures.1.and.2, and comprises two track frames 100 and is connected in two beams 200 between the track frame; Beam 200 removably is connected between two track frames 100 through bearing pin.

Wherein, each track frame 100 is provided with two risers 110; Beam 200 comprises beam body 210 and four connecting portions 220; Four connecting portions 220 are connected with beam body 210, form the H ellbeam; Wherein, the end of each connecting portion 220 is connected with first connecting panel 2201 and second connecting panel 2202; First connecting panel 2201 and second connecting panel 2202 are provided with at interval, form draw-in groove 2203.

Annexation between beam 200 and the track frame 100 further is: riser 110 is connected in the draw-in groove 2203, and first connecting panel 2201, riser 110 removably are connected through bearing pin with second connecting panel 2202.

In the specific implementation, bearing pin can comprise connecting pin 310 and power pin device 320.Wherein, power pin device 320 can be used Driven by Hydraulic Cylinder, possesses laborsaving, safe and reliable characteristics.

Need in the present embodiment crawler pile frame transportation to decompose transportation, pull down larger-size parts in the complete machine before getting on the bus earlier, like the equipment 7 of at first dismantling, the mast 6 that fell is then pulled down diagonal brace 5.The counterweight of dismantling 2 also is key one ring that alleviates complete machine weight, and the dismounting of counterweight can alleviate 26 tons weight for the complete machine transportation.All big is dismantled afterwards has been exactly the dismounting of track frame,

As shown in Figure 4, dismantle before two track frames, the front leg strut 14, left back supporting leg 15 and the right back supporting leg 16 that are connected on the platform assembly 3 are opened certain angle, launch support oil cylinder platform assembly 3 is upwards lifted certain altitude.

As shown in Figure 5, by means of being connected in the dismantle track frame 100 of both sides of power pin device 320 between track frame 100 and the beam 200.With hoisting crane two track frames 100 are transported.

As shown in Figure 6, flat-bed trailer 17 stretched into be lifted below the certain altitude rear platform assembly 3, pack up front leg strut 14, left back supporting leg 15 and right back supporting leg 16.

As shown in Figure 7, rely on the turning gear on the platform assembly 3, with 90 ° of its revolutions, platform is placed on the dull and stereotyped holder car 17 for total 3 one-tenth fully, reach travelling position.

Crawler pile frame of the present invention can upwards lift certain altitude with crawler pile frame by means of front leg strut on the pile frame and left and right rear support leg, the power pin device that is operatively connected type beam and the track frame then left and right track frame of just can dismantling easily; And then the operation of getting on the bus that makes the crawler pile frame of fixed type chasis structure save time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

That is to say that crawler pile frame embodiment of the present invention can make the stability of complete machine improve greatly owing to actv. after adopting fixed type chasis structure has increased bearing surface area; And the structure of employing present embodiment can be dismantled track frame quickly and easily, can satisfy transportation demand.

On the other hand, the present invention also provides a kind of embodiment of crawler pile frame method for dismounting, and the crawler pile frame in this method the foregoing description comprises the steps:

Step 1 is opened the said front leg strut 14 that is connected on the said platform assembly 3, said left back supporting leg 15 and said right back supporting leg 16 to predetermined angular, and cooresponding support oil cylinder is launched, and said platform assembly 3 is upwards lifted.Specifically with reference to Fig. 4.

Step 2 through being connected in the bearing pin between said beam 200 and said two track frames 100, is carried out the dismounting of said two track frames 100.With hoisting crane two track frames 100 are transported.Specifically with reference to Fig. 5.

The structure of crawler pile frame is with reference to Fig. 1, Fig. 2 and Fig. 3.Detailed explanation has been done to concrete structure in the front, and the present invention repeats no more at this.Relevant part is mutually with reference to getting final product.

In addition, in general, before step 1, comprise the steps: also that diagonal brace 5 is removed with the counterweight 2 of dismantling, and the mast 6 that fell with the equipment 7 that is connected on the crawler pile frame.

The method for dismounting of crawler pile frame of the present invention is by means of front leg strut on the pile frame and left and right rear support leg; Can crawler pile frame upwards be lifted certain altitude; Operation connects beam and the track frame bearing pin left and right track frame of just can dismantling simply, efficiently then; And then the operation of getting on the bus that makes the crawler pile frame of fixed type chasis structure save time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

On the other hand, the present invention also provides a kind of method of getting on the bus of crawler pile frame, and this method comprises the steps: based on the crawler pile frame in the foregoing description

Step 1 is opened the said front leg strut 14 that is connected on the said platform assembly 3, said left back supporting leg 15 and said right back supporting leg 16 to predetermined angular, and cooresponding support oil cylinder is launched, and said platform assembly 3 is upwards lifted.With reference to Fig. 4.

Step 2 through being connected in the bearing pin between said beam 200 and said two track frames 100, is carried out the dismounting of said two track frames 100.With reference to Fig. 5.

Step 3 stretches into the platform assembly lifted 3 times with flat-bed trailer 17, packs up said front leg strut 14, left back supporting leg 15 and right back supporting leg 16.With reference to Fig. 6.

Step 4 through the turning gear on the said platform assembly 3, with 90 ° of said platform assembly revolutions, is positioned on the flat-bed trailer 17 platform assembly 3, reaches travelling position.With reference to Fig. 7.

The structure of crawler pile frame is with reference to Fig. 1, Fig. 2 and Fig. 3.Detailed explanation has been done to concrete structure in the front, and the present invention repeats no more at this.Relevant part is mutually with reference to getting final product.

In addition, in general, before step 1, comprise the steps: also that diagonal brace 5 is removed with the counterweight 2 of dismantling, and the mast 6 that fell with the equipment 7 that is connected on the crawler pile frame.

The method of getting on the bus of crawler pile frame of the present invention is by means of front leg strut on the pile frame and left and right rear support leg; Can crawler pile frame upwards be lifted certain altitude; The power pin device that is operatively connected beam and the track frame then left and right track frame of just can dismantling simply, efficiently; Dismantled account for the very most member of weight after, again flat-bed trailer is extend into below the pile frame platform, can pile frame directly be dragged away.The present invention make the operation of getting on the bus of the crawler pile frame of fixed type chasis structure save time, laborsaving, safe and efficient, the crawler pile frame of having got on the bus, solve of being convenient to complete machine relies on track frame to drive on the flat truck and slides the problem of coming.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a running gear is used for crawler pile frame, it is characterized in that, comprising:
Two track frames (100); And
Be connected in the beam (200) between said two track frames; Wherein,
Said beam (200) removably is connected between said two track frames (100) through bearing pin.
2. running gear according to claim 1 is characterized in that,
Each said track frame (100) is provided with two risers (110);
Said beam (200) comprises beam body (210) and four connecting portions (220); Said four connecting portions (220) are connected with said beam body (210), form the H ellbeam; Wherein, the end of said each connecting portion (220) is connected with first connecting panel (2201) and second connecting panel (2202); Said first connecting panel (2201) and said second connecting panel (2202) are provided with at interval, form draw-in groove (2203);
Annexation between said beam (200) and the said track frame (100) further is:
Said riser (110) is connected in the said draw-in groove (2203), and said first connecting panel (2201), riser (110) and second connecting panel (2202) removably are connected through bearing pin.
3. running gear according to claim 2 is characterized in that,
Said bearing pin comprises connecting pin (310) and power pin device (320).
4. a crawler pile frame is characterized in that,
Comprise platform assembly (3), with said platform assembly (3) bonded assembly running gear (1) and be connected the front leg strut (14) on the platform assembly (3), left back supporting leg (15) and right back supporting leg (16);
And said running gear comprises:
Two track frames (100); And
Be connected in the beam (200) between said two track frames; Wherein,
Said beam (200) removably is connected between said two track frames (100) through bearing pin.
5. crawler pile frame according to claim 4 is characterized in that,
Each said track frame (100) is provided with two risers (110);
Said beam (200) comprises beam body (210) and four connecting portions (220); Said four connecting portions (220) are connected with said beam body (210), form the H ellbeam; Wherein, the end of said each connecting portion (220) is connected with first connecting panel (2201) and second connecting panel (2202); Said first connecting panel (2201) and said second connecting panel (2202) are provided with at interval, form draw-in groove (2203);
Annexation between said beam (200) and the said track frame (100) further is:
Said riser (110) is connected in the said draw-in groove (220C), and said first connecting panel (2201), riser (110) and second connecting panel (2202) removably are connected through bearing pin.
6. crawler pile frame according to claim 5 is characterized in that,
Said bearing pin comprises connecting pin (310) and power pin device (320).
7. the method for dismounting of a crawler pile frame is characterized in that, said method comprises the steps: based on like each described crawler pile frame in the claim 4 to 6
The platform assembly lifts step, opens the said front leg strut (14), said left back supporting leg (15) and the said right back supporting leg (16) that are connected on the said platform assembly (3) to predetermined angular, and cooresponding support oil cylinder is launched, and said platform assembly (3) is upwards lifted;
The track frame demounting procedure through being connected in the bearing pin between said beam (200) and said two track frames (100), carries out the dismounting of said two track frames (100).
8. the method for dismounting of crawler pile frame according to claim 7 is characterized in that, before the said supporting leg opening steps, also comprises:
Preparatory demounting procedure, with the equipment (7) that is connected on the crawler pile frame, diagonal brace (5) and the counterweight of dismantling (2) are removed, and the mast that fell (6).
9. the method for getting on the bus of a crawler pile frame is characterized in that, said method comprises the steps: based on like each described crawler pile frame in the claim 4 to 6
The platform assembly lifts step, opens the said front leg strut (14), said left back supporting leg (15) and the said right back supporting leg (16) that are connected on the said platform assembly (3) to predetermined angular, and cooresponding support oil cylinder is launched, and said platform assembly (3) is upwards lifted;
The track frame demounting procedure through being connected in the bearing pin between said beam (200) and said two track frames (100), carries out the dismounting of said two track frames (100);
Flat-bed trailer stretches into step, and flat-bed trailer (17) is stretched under the platform assembly of being lifted (3), packs up said front leg strut (14), left back supporting leg (15) and right back supporting leg (16);
The rotation step through the turning gear on the said platform assembly (3), with 90 ° of said platform assembly revolutions, is positioned on the flat-bed trailer (17) platform assembly (3), reaches travelling position.
10. the method for getting on the bus of crawler pile frame according to claim 9 is characterized in that,
Before the said supporting leg opening steps, also comprise:
First demounting procedure, with the equipment (7) that is connected on the crawler pile frame, diagonal brace (5) and the counterweight of dismantling (2) are removed, and the mast that fell (6).
CN2011103668872A 2011-11-18 2011-11-18 Traveling device, and crawler pile frame and disassembling method and boarding method thereof CN102424072A (en)

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CN102874329A (en) * 2012-10-19 2013-01-16 山东犀牛工程机械有限公司 Track-wheel type excavator and working method thereof
CN102900363A (en) * 2012-11-09 2013-01-30 上海中联重科桩工机械有限公司 Caterpillar chassis, rotary drilling rig and transportation method of caterpillar chassis
CN103273974A (en) * 2013-06-08 2013-09-04 徐工集团工程机械股份有限公司 Track chassis structure
CN103273975A (en) * 2013-06-20 2013-09-04 徐工集团工程机械股份有限公司 Crawler and track dynamic compaction machine
CN104005443A (en) * 2014-04-25 2014-08-27 湖南新天和工程设备有限公司 Chassis mechanism used for crawler-type backhoe loader and mounting and demounting of chassis mechanism
CN104477267A (en) * 2014-12-18 2015-04-01 浙江三一装备有限公司 Base, traveling device and crawler crane

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CN2875912Y (en) * 2006-02-18 2007-03-07 江阴市矿山器材厂 Connection structure of caterpillar band frame and machine frame
CN101806063A (en) * 2009-12-11 2010-08-18 湖南山河智能机械股份有限公司 Crawler-type pile frame and method for mounting same
CN201712669U (en) * 2010-03-30 2011-01-19 长沙中联重工科技发展股份有限公司 Frame structure and caterpillar crane provided with same
CN202368697U (en) * 2011-11-18 2012-08-08 北京市三一重机有限公司 Traveling device and crawler pile frame

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CN102874329A (en) * 2012-10-19 2013-01-16 山东犀牛工程机械有限公司 Track-wheel type excavator and working method thereof
CN102900363A (en) * 2012-11-09 2013-01-30 上海中联重科桩工机械有限公司 Caterpillar chassis, rotary drilling rig and transportation method of caterpillar chassis
CN102900363B (en) * 2012-11-09 2014-12-31 上海中联重科桩工机械有限公司 Caterpillar chassis, rotary drilling rig and transportation method of caterpillar chassis
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CN103273975A (en) * 2013-06-20 2013-09-04 徐工集团工程机械股份有限公司 Crawler and track dynamic compaction machine
CN103273975B (en) * 2013-06-20 2016-01-13 徐工集团工程机械股份有限公司 Crawler belt is got off and crawler belt dynamic compaction machinery
CN104005443A (en) * 2014-04-25 2014-08-27 湖南新天和工程设备有限公司 Chassis mechanism used for crawler-type backhoe loader and mounting and demounting of chassis mechanism
CN104005443B (en) * 2014-04-25 2015-09-23 湖南新天和工程设备有限公司 For body chassis and the assembly and disassembly methods thereof of caterpillar type loader digger
CN104477267A (en) * 2014-12-18 2015-04-01 浙江三一装备有限公司 Base, traveling device and crawler crane

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Application publication date: 20120425