CN102490698A - Support leg for engineered machine and engineered machine - Google Patents
Support leg for engineered machine and engineered machine Download PDFInfo
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- CN102490698A CN102490698A CN2011104303669A CN201110430366A CN102490698A CN 102490698 A CN102490698 A CN 102490698A CN 2011104303669 A CN2011104303669 A CN 2011104303669A CN 201110430366 A CN201110430366 A CN 201110430366A CN 102490698 A CN102490698 A CN 102490698A
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Abstract
The invention provides a support leg for an engineered machine and the engineered machine, wherein the support leg comprises a cross beam of the support leg, a support component and a height adjustment component, wherein one end of the cross beam of the support leg is connected with a supported object; the support component is detachably mounted at the other end of the cross beam of the support leg for supporting the cross beam of the support leg; and the height adjustment component can ensure the support component to move relative to the cross beam of the support leg so as to adjust the installation height of the support component on the cross beam of the support leg. In use, firstly, the support component is detached from the cross beam of the support leg, then, the install ion height of the support component on the cross beam of the support leg is adjusted by the height adjustment component till the proper position is reached, and then the support component is mounted in place again. For the support leg, the installation height (namely the installation height of the support component on the cross beam of the support leg) can be adjusted, therefore, the support leg has wide adaptability for uneven supporting planes, and the passing ability of equipment is also improved.
Description
Technical field
The present invention relates generally to engineering machinery field, particularly a kind of construction machinery and equipment supporting leg and a kind of construction machinery and equipment.
Background technology
The structural shape of domestic and international project machinery supporting leg commonly used mainly is divided into suspension type and last act formula at present, and generally the equipment at ground construction adopts suspension type many, adopts the act formula many at the equipment of underground construction.
Yet suspension type supporting leg easy extension in the driving process of vehicle bumped ground obstacle and influenced the current of vehicle, simultaneously, also damages supporting oil cylinder easily; Last act formula supporting leg has taken the free space on supporting leg crossbeam top, has also had a strong impact on the aesthetic property of car load; Suspension type supporting leg and last act formula supporting leg all are that fixed type is installed supporting leg, and their setting height(from bottom) all can not be adjusted, and very high to supporting ground-surface planeness requirement, the crossing ability that goes of equipment is relatively poor, and the obstacle climbing ability of supporting leg when outwards launching is relatively poor.
For addressing the above problem, be necessary to provide a kind of later-model construction machinery and equipment supporting leg.
Summary of the invention
The present invention aims to provide a kind of construction machinery and equipment supporting leg, and it can adjust setting height(from bottom), and the areal of support injustice is had comformability widely, and has improved the crossing ability of equipment.
One aspect of the present invention provides a kind of construction machinery and equipment supporting leg, comprises supporting leg crossbeam, support unit and height adjustment assembly; Wherein,
One end of said supporting leg crossbeam is connected with supported material;
Said support unit is removably mounted on the other end of said supporting leg crossbeam, to support said supporting leg crossbeam;
Said height adjustment assembly can make said support unit move relative to said supporting leg crossbeam, to adjust the setting height(from bottom) of said support unit on said supporting leg crossbeam.
Further; Said height adjustment assembly comprises the adjustment screw rod and is arranged on the adjustment nut on the said adjustment screw rod; Said supporting leg crossbeam is arranged on the said adjustment screw rod through said adjustment nut movably, and said adjustment screw rod is fixed on the said support unit.
Further, said height adjustment assembly comprises the hydraulic pressure auxiliary cylinder, and the cylinder body of said hydraulic pressure auxiliary cylinder is captiveed joint with said supporting leg crossbeam, and the piston rod of said hydraulic pressure auxiliary cylinder is captiveed joint with said support unit.
Further, said height adjustment assembly comprise CD-ROM drive motor, rotationally be arranged on the said supporting leg crossbeam transmission gear and along said support unit vertically be fixedly installed on the lifter rack on the said support unit, and
Said drive motor connects said transmission gear, said transmission gear and the engagement of said lifter rack.
Further, said support unit is a supporting oil cylinder.
Further, said supporting oil cylinder has the piston rod that can longitudinally stretch, and the bottom of said piston rod is connected with earth plate.
Further, also comprise lockable mechanism, said lockable mechanism is installed in said support unit on the said supporting leg crossbeam.
Further, lockable mechanism comprises lock pin and is opened in the locking hole on supporting leg crossbeam and the support unit.
Further, be preset with a plurality of locking holes on the said support unit.
Another aspect of the present invention also provides a kind of construction machinery and equipment, has aforesaid construction machinery and equipment supporting leg, and said supporting leg crossbeam is fixedly installed on the said construction machinery and equipment.
The present invention in use; One end of supporting leg crossbeam is fixedly connected on the supported material (like construction machinery and equipment or other vehicle frames etc.); Support unit is removably mounted on the other end of supporting leg crossbeam, when need are adjusted the setting height(from bottom) of supporting legs (being support unit), at first; Pull down support unit from the supporting leg crossbeam, support unit can be moved relative to the supporting leg crossbeam; Then, through the setting height(from bottom) of height adjustment assembly adjustment support unit on the supporting leg crossbeam, during to correct position support unit is reinstalled.After the setting height(from bottom) of support unit mixed up, the control support unit contacted with areal of support, and subsequently with supporting leg crossbeam and up lifting of supported material, after supported material integral body was liftoff, its weight was all born by supporting leg.The setting height(from bottom) of construction machinery and equipment supporting leg of the present invention can be adjusted; The areal of support injustice there is comformability widely, and has improved the crossing ability of equipment.
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, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the side-looking structural representation of a kind of construction machinery and equipment supporting leg of the present invention, and this embodiment adopts nut-screw to adjust the setting height(from bottom) of support unit.
Fig. 2 is the plan structure scheme drawing of construction machinery and equipment supporting leg shown in Figure 1.
Structural representation lateral plan when Fig. 3 is in different setting height(from bottom) for construction machinery and equipment supporting leg shown in Figure 1.
Fig. 4 is the side-looking structural representation of another kind of construction machinery and equipment supporting leg of the present invention, and this embodiment adopts the hydraulic pressure auxiliary cylinder to adjust the setting height(from bottom) of support unit.
Fig. 5 is the plan structure scheme drawing of construction machinery and equipment supporting leg shown in Figure 4.
Structural representation lateral plan when Fig. 6 is in different setting height(from bottom) for construction machinery and equipment supporting leg shown in Figure 4.
Fig. 7 is the side-looking structural representation of another kind of construction machinery and equipment supporting leg of the present invention, and this embodiment adopts motor driven gear, tooth bar to adjust the setting height(from bottom) of support unit.
Fig. 8 is the plan structure scheme drawing of construction machinery and equipment supporting leg shown in Figure 7.
Structural representation lateral plan when Fig. 9 is in different setting height(from bottom) for construction machinery and equipment supporting leg shown in Figure 7.
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.
Illustrated in figures 1 and 2ly comprise supporting leg crossbeam 1, support unit 6 and height adjustment assembly for a kind of construction machinery and equipment supporting leg provided by the invention; Wherein, an end of supporting leg crossbeam 1 is connected with supported material; Support unit 6 is removably mounted on the other end of supporting leg crossbeam 1, with support legs crossbeam 1; The height adjustment assembly can make supporting leg crossbeam 1 move relative to support unit 6, with the setting height(from bottom) of adjustment supporting leg crossbeam 1 on support unit 6.
The present invention in use; One end of supporting leg crossbeam 1 is fixedly connected on the supported material (like construction machinery and equipment or other vehicle frames etc.); Support unit 6 is removably mounted on the other end of supporting leg crossbeam 1, when need are adjusted the setting height(from bottom) of supporting legs (being support unit 6), at first; Pull down support unit 6 from supporting leg crossbeam 1, support unit 6 can be moved relative to supporting leg crossbeam 1; Then, through the setting height(from bottom) (that is, support unit 6 relative supporting leg crossbeams 1 moved up or down) of height adjustment assembly adjustment support unit 6 on supporting leg crossbeam 1, during to correct position support unit 6 is reinstalled (as shown in Figure 3).After the setting height(from bottom) of support unit 6 mixed up, control support unit 6 contacted with areal of support, and subsequently with supporting leg crossbeam 1 and up lifting of supported material, after supported material integral body was liftoff, its weight was all born by supporting leg.The setting height(from bottom) of supporting leg of the present invention can be adjusted; Areal of support (like the ground of work place) injustice there is comformability widely, and has improved the crossing ability of equipment; The present invention is simple in structure, and is easy to adjust.
As a preferred embodiment; As shown in figures 1 and 3; Height adjustment assembly of the present invention can comprise adjustment screw rod 10 and the adjustment nut 4 that is arranged on the adjustment screw rod 10; Supporting leg crossbeam 1 can be arranged on the adjustment screw rod 10 through adjustment nut 4 movably, and adjustment screw rod 10 is fixed on the support unit 6.Further, adjustment screw rod 10 can be fixed on the support unit 6 through clamp nut 3.Further, adjustment backing plate 12 can be provided with between adjustment nut 4 of the present invention and the support unit 6, in addition, also spring washer 2 can be provided with between clamp nut 3 and the supporting leg crossbeam 1.
During use, pull down support unit 6 from supporting leg crossbeam 1 earlier, rotate adjustment nut 4 then support unit 6 relative supporting leg crossbeams 1 are moved up or down, during to correct position, again support unit 6 is installed on the supporting leg crossbeam 1 again.
As the another one preferred embodiment; Like Fig. 4 and shown in Figure 5; Height adjustment assembly of the present invention can comprise hydraulic pressure auxiliary cylinder 13, and the cylinder body of hydraulic pressure auxiliary cylinder 13 is captiveed joint with supporting leg crossbeam 1, and the piston rod of hydraulic pressure auxiliary cylinder 13 is captiveed joint with support unit 6.Further, piston rod 13 can adopt oil cylinder latch 14 to captive joint with support unit 6.
During use; Earlier pull down support unit 6 from supporting leg crossbeam 1, modulated pressure auxiliary cylinder 13 flexible piston rods then are because the cylinder body of hydraulic pressure auxiliary cylinder 13 is connected support unit 6 and supporting leg crossbeam 1 respectively with piston rod; Along with stretching of piston rod; Support unit 6 relative supporting leg crossbeams 1 move up or down, and during to correct position (as shown in Figure 6), support unit 6 are reinstalled on the supporting leg crossbeam 1 again.
As the another one preferred embodiment; Like Fig. 7 and shown in Figure 8; Height adjustment assembly of the present invention can comprise CD-ROM drive motor 15, be arranged on the transmission gear 16 on the supporting leg crossbeam 1 and vertically be fixedly installed on the lifter rack 17 on the support unit 6 along support unit 6 rotationally; And CD-ROM drive motor 15 drives and connects transmission gear 16; Transmission gear 16 and lifter rack 17 engagements, so that CD-ROM drive motor 15 can drive transmission gear 16, and then drive lifter rack 17 moves up and down with support unit 6.Further, CD-ROM drive motor 15 can preferred hydraulic motor.
Correspondingly; Earlier pull down support unit 6 from supporting leg crossbeam 1 during use, the transmission gear 16 that utilizes CD-ROM drive motor 15 drives to be arranged on the supporting leg crossbeam 1 then rotates, because of transmission gear 16 and lifter rack 17 gears mesh; Just driving lifter rack 17 moves; Because lifter rack is fixedly installed on the support unit 6, therefore, forms support unit 6 and move again relative to supporting leg crossbeam 1.When treating that support unit 6 moves to correct position (as shown in Figure 9), again support unit 6 is reinstalled on the supporting leg crossbeam 1.
Adjustment component of the present invention can also adopt other embodiment, as long as it can realize that the setting height(from bottom) of support unit 6 on supporting leg crossbeam 1 can adjust.
As preferred embodiment, support unit 6 of the present invention can be supporting oil cylinder, supporting oil cylinder simple in structure, the stretching of also convenient adjustment setting height(from bottom) and supporting leg.Further, supporting oil cylinder has the piston rod that can longitudinally stretch, and the bottom of piston rod is connected with earth plate 7.
Except that adopting supporting oil cylinder to come the support unit, can also and adopt other suitable structure, like structures such as nut and screw combinations (or leading screw), rack-and-gear combinations as support unit.
In addition, if when construction machinery and equipment supporting leg of the present invention disposes hydraulic pressure auxiliary cylinder 13 simultaneously with supporting oil cylinder, hydraulic pressure auxiliary cylinder 13 is not preferably worked with supporting oil cylinder simultaneously; Equally, if when disposing HM Hydraulic Motor as CD-ROM drive motor and supporting oil cylinder simultaneously, HM Hydraulic Motor and supporting oil cylinder are not preferably worked simultaneously.
As preferred version, construction machinery and equipment supporting leg of the present invention can also comprise lockable mechanism, and lockable mechanism is installed in support unit 6 on the supporting leg crossbeam 1.Should be noted that lockable mechanism of the present invention should realize support unit 6 stably is installed on the supporting leg crossbeam 1 simultaneously, and from supporting leg crossbeam 1, dismantle support unit 6 easily.
Further, like Fig. 1 and Fig. 3, Fig. 4 and Fig. 6, Fig. 7 and shown in Figure 9, this lockable mechanism can comprise lock pin 5 and the locking hole 18 that is opened on supporting leg crossbeam 1 and the support unit 6.In addition, on support unit 6, also be preset with a plurality of locking holes 18, these locking holes 18 are spaced apart by the distance of setting.If need the setting height(from bottom) of adjustment support unit 6, when the locking hole at a certain desired height place on the support unit 6 when locking hole on the supporting leg crossbeam 1 aligns, with lock pin 5 insertion locking holes 18, support unit 6 is fixedly mounted on the supporting leg crossbeam 1 once more.
Certainly, except that above-mentioned embodiment, lockable mechanism can also be embodied as, for example, and salient and draw-in groove combination, based on the stop protrusion combination of elastic component etc.Particularly, can be able on support unit 6, offer draw-in groove, and on supporting leg crossbeam 1, the salient that is complementary is being set, when correct position, support unit 6 engagings are being installed on the supporting leg crossbeam 1; Also can be respectively on supporting leg crossbeam 1 and support unit 6, stop protrusion be set, the stop protrusion locking that can cooperatively interact, and preferably stop protrusion being configured to based on elastic component so that each other behind the locking, utilizes the elasticity support of elastic component to avoid the locking slippage.That is to say, need only one group of member and can realize and will support unit 6 removably be fixedly mounted on the supporting leg crossbeam 1 at selected correct position, then can be with organizing the mode that member is implemented as the lockable mechanism among the present invention.In order to obtain firm fixing, 4 groups of lockable mechanisms 5 are set preferably.Also can select the lockable mechanism 5 of different numbers according to different demands.
Because the angle of ground or other areal of supports is with concavo-convex different; Support unit 6 of the present invention is connected with bulb pivotally attached mode with earth plate 7; Earth plate 7 is not limited by the direction of support unit 6 can like this; Rotate to all angles, thus support bearing parts 6 that in any direction can both be stable.
As one preferred embodiment; The bottom of support unit 6 of the present invention can be provided with ball contact; Earth plate 7 can also be provided with hold-down bolt 8, base cover plate 9; And with the spherical recess of ball contact coupling, earth plate 7 is arranged on the ball contact through hold-down bolt 8 and base cover plate 9.
The present invention also provides a kind of construction machinery and equipment, has the above-mentioned construction machinery and equipment supporting leg of the present invention, and supporting leg crossbeam 1 is fixedly installed on the said construction machinery and equipment.Based on the characteristics of supporting leg of the present invention, construction machinery and equipment of the present invention has the following advantages:
(1) supporting leg of the present invention is adjustable in the setting height(from bottom) (being the setting height(from bottom) of support unit on the supporting leg crossbeam) of construction machinery and equipment vehicle frame; Obviously uneven when supporting ground; Pit or boss are arranged, especially during the supporting of step surface, slope, only need an adjustment supporting leg can realize normal supporting in the setting height(from bottom) of vehicle frame; Guarantee stable, the safe construction of equipment, the ground injustice of work place is had comformability widely;
(2) road conditions that in equipment is shifting on the way, facing are relatively poor; May hang when bumping supporting leg; Perhaps outwards launch (do flexible or gyroscopic movement) when running into obstacle when supporting leg; Can supporting leg temporarily be transferred to than higher position to improve the crossing ability of equipment, when construction, turn down again to correct position and support;
(3), can supporting leg temporarily be heightened to clear the jumps when running into obstacle when supporting leg outwards launches (flexible or revolution), turn down again after breaking the barriers to correct position;
(4) adopt the setting height(from bottom) of screw rod adjustment supporting leg at vehicle frame, simple in structure, adjust very convenient;
(5) supporting leg adopts latch to connect with being connected of vehicle frame, and supporting leg mounting or dismounting and adjustment are highly very convenient.
Need to prove that though the present invention only provides a kind of construction machinery and equipment with construction machinery and equipment supporting leg, construction machinery and equipment supporting leg of the present invention is not limited to be used in the construction machinery and equipment, can also be used for various types of vehicles or equipment such as other vehicle for constructions.
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 construction machinery and equipment supporting leg is characterized in that, comprises supporting leg crossbeam (1), support unit (6) and height adjustment assembly; Wherein,
One end of said supporting leg crossbeam (1) is connected with supported material;
Said support unit (6) is removably mounted on the other end of said supporting leg crossbeam (1), to support said supporting leg crossbeam (1);
Said height adjustment assembly can make said support unit (6) move relative to said supporting leg crossbeam (1), to adjust the setting height(from bottom) of said support unit (6) on said supporting leg crossbeam (1).
2. construction machinery and equipment supporting leg according to claim 1; It is characterized in that; Said height adjustment assembly comprises adjustment screw rod (10) and is arranged on the adjustment nut (4) on the said adjustment screw rod (10); Said supporting leg crossbeam (1) is arranged on the said adjustment screw rod (10) through said adjustment nut (4) movably, and said adjustment screw rod (10) is fixed on the said support unit (6).
3. construction machinery and equipment supporting leg according to claim 1; It is characterized in that; Said height adjustment assembly comprises hydraulic pressure auxiliary cylinder (13); The cylinder body of said hydraulic pressure auxiliary cylinder (13) is captiveed joint with said supporting leg crossbeam (1), and the piston rod of said hydraulic pressure auxiliary cylinder (13) is captiveed joint with said support unit (6).
4. construction machinery and equipment supporting leg according to claim 1; It is characterized in that; Said height adjustment assembly comprise CD-ROM drive motor (15), rotationally be arranged on the said supporting leg crossbeam (1) transmission gear (16) and along said support unit (6) vertically be fixedly installed on the lifter rack (17) on the said support unit (6), and
Said CD-ROM drive motor (15) drives and connects said transmission gear (16), said transmission gear (16) and said lifter rack (17) engagement.
5. according to the described construction machinery and equipment supporting leg of any claim among the claim 1-4, it is characterized in that said support unit (6) is a supporting oil cylinder.
6. construction machinery and equipment supporting leg according to claim 5 is characterized in that said supporting oil cylinder has the piston rod that can longitudinally stretch, and the bottom of said piston rod is connected with earth plate (7).
7. according to the described construction machinery and equipment supporting leg of any claim among the claim 1-4, it is characterized in that also comprise lockable mechanism, said lockable mechanism is installed in said support unit (6) on the said supporting leg crossbeam (1).
8. construction machinery and equipment supporting leg according to claim 7 is characterized in that, said lockable mechanism comprise lock pin (5) and be opened in supporting leg crossbeam (1) and support unit (6) on locking hole (18).
9. construction machinery and equipment supporting leg according to claim 7 is characterized in that, is preset with a plurality of locking holes (18) on the said support unit (6).
10. a construction machinery and equipment is characterized in that, has like the described construction machinery and equipment supporting leg of any claim among the claim 1-9, and said supporting leg crossbeam (1) is fixedly installed on the said construction machinery and equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104303669A CN102490698A (en) | 2011-12-20 | 2011-12-20 | Support leg for engineered machine and engineered machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104303669A CN102490698A (en) | 2011-12-20 | 2011-12-20 | Support leg for engineered machine and engineered machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102490698A true CN102490698A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104303669A Pending CN102490698A (en) | 2011-12-20 | 2011-12-20 | Support leg for engineered machine and engineered machine |
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| CN (1) | CN102490698A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842969A (en) * | 2015-05-06 | 2015-08-19 | 中国石油大学(华东) | Hydraulic jack device for dragging pry |
| CN106080541A (en) * | 2016-07-22 | 2016-11-09 | 天津良华新能源科技有限公司 | A kind of detachable semi-trailer supporting leg |
| CN107972641A (en) * | 2017-12-26 | 2018-05-01 | 徐工集团工程机械有限公司 | hydraulic leg mechanism and engineering machinery |
| CN110254401A (en) * | 2019-06-13 | 2019-09-20 | 徐州比亚机械设备有限公司 | A kind of semitrailer lifting landing leg |
| CN110318686A (en) * | 2019-07-02 | 2019-10-11 | 徐州徐工基础工程机械有限公司 | A kind of drilling cramp provision for disengagement |
| CN111137256A (en) * | 2020-01-03 | 2020-05-12 | 中联重科股份有限公司 | Landing leg and engineering machinery |
| CN111421499A (en) * | 2020-04-10 | 2020-07-17 | 三一重机有限公司 | Tool for disassembling and assembling engineering machinery accessory |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945318A1 (en) * | 1998-03-23 | 1999-09-29 | F.LLI FERRARI S.p.A. | Stabiliser leg for a load carrying vehicle |
| CN2442900Y (en) * | 2000-10-09 | 2001-08-15 | 广西百色地区汽车运输有限责任公司 | Pit movable automobile jack |
| CN201193183Y (en) * | 2008-02-18 | 2009-02-11 | 上海宝钢设备检修有限公司 | Crane portal frame with adjustable width and height |
| CN201277421Y (en) * | 2008-09-23 | 2009-07-22 | 骆凯 | Elevating gear for panel television set |
| CN201580915U (en) * | 2010-01-22 | 2010-09-15 | 中铁十七局集团有限公司 | Tyre-type gantry crane |
| CN201970975U (en) * | 2011-03-22 | 2011-09-14 | 三一重工股份有限公司 | Engineering machinery and supporting leg device thereof |
| CN202054532U (en) * | 2011-04-28 | 2011-11-30 | 三一重工股份有限公司 | Support leg structure of engineering machinery and engineering machinery |
-
2011
- 2011-12-20 CN CN2011104303669A patent/CN102490698A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0945318A1 (en) * | 1998-03-23 | 1999-09-29 | F.LLI FERRARI S.p.A. | Stabiliser leg for a load carrying vehicle |
| CN2442900Y (en) * | 2000-10-09 | 2001-08-15 | 广西百色地区汽车运输有限责任公司 | Pit movable automobile jack |
| CN201193183Y (en) * | 2008-02-18 | 2009-02-11 | 上海宝钢设备检修有限公司 | Crane portal frame with adjustable width and height |
| CN201277421Y (en) * | 2008-09-23 | 2009-07-22 | 骆凯 | Elevating gear for panel television set |
| CN201580915U (en) * | 2010-01-22 | 2010-09-15 | 中铁十七局集团有限公司 | Tyre-type gantry crane |
| CN201970975U (en) * | 2011-03-22 | 2011-09-14 | 三一重工股份有限公司 | Engineering machinery and supporting leg device thereof |
| CN202054532U (en) * | 2011-04-28 | 2011-11-30 | 三一重工股份有限公司 | Support leg structure of engineering machinery and engineering machinery |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842969A (en) * | 2015-05-06 | 2015-08-19 | 中国石油大学(华东) | Hydraulic jack device for dragging pry |
| CN106080541A (en) * | 2016-07-22 | 2016-11-09 | 天津良华新能源科技有限公司 | A kind of detachable semi-trailer supporting leg |
| CN107972641A (en) * | 2017-12-26 | 2018-05-01 | 徐工集团工程机械有限公司 | hydraulic leg mechanism and engineering machinery |
| CN110254401A (en) * | 2019-06-13 | 2019-09-20 | 徐州比亚机械设备有限公司 | A kind of semitrailer lifting landing leg |
| CN110318686A (en) * | 2019-07-02 | 2019-10-11 | 徐州徐工基础工程机械有限公司 | A kind of drilling cramp provision for disengagement |
| CN111137256A (en) * | 2020-01-03 | 2020-05-12 | 中联重科股份有限公司 | Landing leg and engineering machinery |
| CN111421499A (en) * | 2020-04-10 | 2020-07-17 | 三一重机有限公司 | Tool for disassembling and assembling engineering machinery accessory |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130726 |
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Effective date of registration: 20130726 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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Application publication date: 20120613 |