CN102815649B - Bushing-type aerial working platform with depression-prevention tilting device - Google Patents
Bushing-type aerial working platform with depression-prevention tilting device Download PDFInfo
- Publication number
- CN102815649B CN102815649B CN201210278836.9A CN201210278836A CN102815649B CN 102815649 B CN102815649 B CN 102815649B CN 201210278836 A CN201210278836 A CN 201210278836A CN 102815649 B CN102815649 B CN 102815649B
- Authority
- CN
- China
- Prior art keywords
- pin
- operation platform
- sleeve
- altitude operation
- fender
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the lifting machinery with a safety device, in particular to a lifting machine with a depression-prevention tilting device. A bushing-type aerial working platform with the depression-prevention tilting device comprises a depression-prevention tilting device, wherein the depression-prevention tilting device comprises protection plates which are arranged below two side plates of a machine body base in a hinged manner and an ejector device with the upper end propping against a lifting platform, the two protection plates are vertically arranged and respectively connected with the ejector device through a transmission device, the transmission device is a steel wire rope, the lower part of the ejector device props against the steel wire rope, two sides of the ejector device are respectively provided with a lifting pulley, two sides of each lifting pulley are respectively provided with a positioning pulley, the steel wire rope penetrates the lifting pulleys and the positioning pulleys, two ends of the steel wire rope are respectively and fixedly connected with the protection plates, and when the ejector device presses down the steel wire rope, the steel wire rope pulls up the protection plates, so the protection plates can be folded. The bushing-type aerial working platform with the depression-prevention tilting device has characteristics of simplicity in structure and convenience in implementation, and is suitable for different lifting machines and particularly suitable for the aerial working platform.
Description
The present patent application is that number of patent application is: 200810059086.X, patent name is: with the lifting machinery of device for preventing pothole tilting, the applying date is: the dividing an application of the application for a patent for invention of 2008-01-09.
Technical field
The present invention relates to a kind of lifting machinery with safety device, relate in particular to a kind of lifting machinery with device for preventing pothole tilting.
Background technology
Existing high-altitude operation platform comprises fuselage, running gear, jacking system and job platform, and job platform is arranged on jacking system top; Jacking system is arranged on fuselage, can be crossing type lifting apparatus, mast type elevator apparatus or sleeve-type jacking system; Running gear can be wheel type running gear.The body bottom section of existing high-altitude operation platform is larger apart from ground distance design, because when the walking of high-altitude operation platform, on ground, may there are some outstanding obstacles, such as hill or stone etc., bottom can avoid the walking of high-altitude operation platform to be obstructed apart from the larger distance on ground.
But above-mentioned improvement has just brought the unsafe problems factor in using.Because, in the working process of high-altitude operation platform, need to mobile high-altitude operation platform, when mobile, staff still rests on the job platform in high position very.If some hollow of the ground of working space, and the wheel of wheel type running gear is generally less, wheel easily falls into hollow, this can make vehicle body incline to tremble, and inclining of on the ground very little trembled, and passes to when high-order job platform and will become as very large displacement and inclination, the lighter has no a sense of safety staff, when serious, so because high-altitude operation platform while rising very high center of gravity higher, the danger that can topple.
For this reason, Chinese invention patent (publication number is CN2543940) discloses a kind of high-altitude operation platform, comprise fuselage, running gear, jacking system and job platform, the upper end of described jacking system is connected with described job platform, and it also comprises safety gear.Safety gear comprises: two safety guards and at least one group of driving device, when job platform does not rise, safety guard, in horizontality, makes it far away apart from ground, is convenient to that high-altitude operation platform travels and the obstruction that is not subject to the protrusion on ground.When job platform rises, safety guard is in vertical state, and it is nearer apart from ground, and when wheel runs into hollow, safety guard can support and avoid on the ground body inclination.But it is too complicated that this patent exists physical construction, the defect that implementation cost is higher.
Applicant is for above-mentioned technological deficiency; applied for a kind of device for preventing pothole tilting (application number is 200720114862.2) of high-altitude operation platform; it comprises and being arranged on high-altitude operation platform jacking system with the push rod of jacking system up-and-down movement and the hinged fender that is arranged on 2 sides of high-altitude operation platform fuselage respectively, and 2 fenders are connected by contiguous block with connecting rod push rod respectively.
Summary of the invention
In order to solve the threat that is subject to ground hollow when above-mentioned high-altitude operation platform rises walking afterwards, the easily technological deficiency of displacement and inclination.The object of this invention is to provide that another is simple in structure, implement easily the lifting machinery with device for preventing pothole tilting.
In order to realize above-mentioned object, the present invention has adopted following technical scheme:
Lifting machinery with device for preventing pothole tilting, comprise jacking system, lifting table, fuselage base, lifting table is fixed on jacking system, jacking system is arranged on fuselage base, fuselage base is provided with device for preventing pothole tilting, described device for preventing pothole tilting comprises the fender of the hinged 2 side plates belows that are arranged on fuselage base and the pin-lift arrangement that upper end can offset with lifting table respectively, 2 fenders vertically arrange, and by driving device, be connected with pin-lift arrangement respectively, described driving device is steel rope, bottom and the steel rope of pin-lift arrangement offset, and be respectively equipped with derrick block in 2 sides of pin-lift arrangement, 2 sides of derrick block are respectively equipped with positioning pulley, steel wire penetrating derrick block and positioning pulley, 2 ends of steel rope are fixedly connected with fender respectively, when pin-lift arrangement presses down steel rope, steel rope pulls fender to pack up.
As preferably, the lower end of above-mentioned pin-lift arrangement is provided with U-shaped frame, in U-shaped frame, is provided with and is provided with pulley, and described steel rope middle part is contained in pulley.By pulley top steel rope, make transmission more stable.
As preferably, above-mentioned pin-lift arrangement is provided with reset attachment.When reset attachment departs from pin-lift arrangement for lifting table, pin-lift arrangement resets, and steel rope is not stressed.As preferred again, above-mentioned pin-lift arrangement comprises apical axis, axle sleeve, stay bearing plate, depression bar, axle sleeve is fixed on stay bearing plate, and stay bearing plate is fixedly installed on fuselage base, and apical axis is set in the top of axle sleeve, depression bar is set in the bottom of axle sleeve, between apical axis and depression bar, leave space, described reset attachment is retracing spring, and it is set in the top of depression bar, boss on lower end and depression bar offsets, and upper end and apical axis offset.Above-mentioned structure provides a kind of reset attachment of pin-lift arrangement on the one hand, and apical axis can slide in axle sleeve, and stability is better, on the other hand, by retracing spring transferring power, making the power pressing down is not to be directly delivered to depression bar steel wire rope, can prevent the unexpected stressed fracture that causes of steel rope.Have simple in structure, implement feature easily.
As preferably, between above-mentioned fender and side plate, be provided with reset attachment, when making fender not be subject to lineoutofservice signal pull, described reset attachment keeps vertically.As preferred again, above-mentioned reset attachment, be torsion spring, torsion spring is arranged between fender and side plate.Above-mentioned structure provides a kind of reset attachment of fender, have simple in structure, implement feature easily.
As preferably, above-mentioned fender is L shaped angle steel, and the one side of L shaped angle steel is bearing surface, and another side is attachment face, and attachment face is provided with installation flange, flange is installed and is provided with bearing pin, and L shaped angle steel is arranged in hinged mouthful of side plate by bearing pin is hinged.L shaped angle steel has 2 faces, and one side is as bearing surface, and another side is as attachment face, make structure more simple, implement more convenient.
As preferably, the above-mentioned bottom centre position at fuselage base is provided with axial through hole, in side center, the front and back of fuselage base, is respectively equipped with hook, and described hook is arranged on fuselage base by adapter plate and bolt.By above-mentioned technical scheme, forklift can insert through hole, directly whole lifting machinery is scooped up, and hook can directly adopt trailer to drag, and has the feature of convenient transportation.
As preferably, above-mentioned jacking system is crossing type lifting apparatus, mast type elevator apparatus or sleeve-type jacking system.As preferably, above-mentioned lifting machinery is high-altitude operation platform.
The present invention is by above-mentioned technical scheme, and when not working, jacking system does not rise, and lifting table is pressed on pin-lift arrangement, and when pin-lift arrangement presses down steel rope, steel rope pulls fender, makes it to pack up to the inside.While walking like this, the bottom of lifting machinery fuselage has larger distance apart from ground and can avoid the walking of lifting machinery to be obstructed.When work, jacking system rises, and lifting table departs from pin-lift arrangement, and steel rope does not stress, and due to the effect of gravity or the reset attachment of fender, fender naturally droops, for supporting ground.That the present invention has is simple in structure, implement feature easily, is suitable for various lifting machinery, is particularly suitable for high-altitude operation platform.
Accompanying drawing explanation
Fig. 1 is that the present invention is arranged on the schematic diagram on high-altitude operation platform.
Fig. 2 is mounting structure schematic diagram of the present invention.
Fig. 3 is the structural representation of the fuselage base of lifting machinery of the present invention.
Fig. 4 is the structural representation between fender of the present invention and driving device.
Fig. 5 is the structural representation of pin-lift arrangement of the present invention.
Fig. 6 is the structural representation of fender reset attachment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
High-altitude operation platform as shown in Figure 1, comprises jacking system 1, lifting table 7, fence 2, fuselage base 3, jacking system erecting frame 6, front-wheel 5 and trailing wheel 9.Jacking system 1 is fixed on jacking system erecting frame 6, and lifting table 7 is fixed on jacking system 1, and front-wheel 5 and trailing wheel 9 are fixed on fuselage base 3.In addition; above-mentioned high-altitude operation platform also comprises device for preventing pothole tilting; described device for preventing pothole tilting comprises 2 block protection plates 4 and pin-lift arrangement 8; 2 block protection plates 4 are hinged 2 side plate 10 belows that are arranged on the fuselage base 3 of high-altitude operation platform respectively; and be vertically arranged on side plate 10; the upper end of pin-lift arrangement 8 can offset with the lifting table 7 of high-altitude operation platform, and pin-lift arrangement 8 is connected by steel rope 13 with 2 block protection plates 4.
As shown in Figure 5, pin-lift arrangement 8 comprises apical axis 24, axle sleeve 23, stay bearing plate 11, depression bar 25, and axle sleeve 23 is fixed on stay bearing plate 11, and stay bearing plate 11 is fixedly installed on fuselage base 3, and apical axis 24 is set in the top of axle sleeve 23.The all U-shaped framves 22 in lower end of depression bar 25, are provided with in U-shaped frame 22 and are provided with pulley 12, and the middle part of steel rope 13 is contained in pulley 12.The upper end of depression bar 25 is set in the bottom of axle sleeve 23, between apical axis 24 and depression bar 25, leaves space, is provided with retracing spring 21 in space, and retracing spring 21 is set in the top of depression bar 25, and the boss on lower end and depression bar 25 offsets, and upper end and apical axis 24 offset.
As shown in Figure 2, Figure 4 shows, in 2 sides of pin-lift arrangement 8, on the bottom surface of fuselage base 3, be fixed with respectively derrick block 14, derrick block 14 height is set higher than pulley 12.2 sides of derrick block 14 are fixed with respectively positioning pulley 15 on 2 blocks of side plates 10.Described steel rope 13 is through derrick block 14 and positioning pulley 15, and 2 ends of steel rope 13 are fixedly connected with the connecting panel 16 being arranged on fender 4 respectively, and when pin-lift arrangement 8 presses down steel rope 13, steel rope 13 pulls fender 4 to pack up.
As shown in Figure 2, fender 4 is L shaped angle steel, and the one side of L shaped angle steel is bearing surface; another side is attachment face; attachment face is provided with installs flange 18, flange 18 is installed and is provided with bearing pin 17, and L shaped angle steel is by the hinged hinged mouthful of 20(that is arranged on side plate 10 of bearing pin 17 as shown in Figure 3) in.As shown in Figure 6, between fender 4 and side plate 10, be provided with torsion spring 19, torsion spring 19 is arranged on bearing pin 17, and one arm and fender 4 offset, and another arm and side plate 10 offset, and keeps vertical state while making fender 4 not be subject to steel rope 13 pulling force.
As shown in Figure 3, the bottom centre position of fuselage base 3 is provided with axial through hole 26, is respectively equipped with hook 27 in side center, the front and back of fuselage base 3, and described hook 27 is arranged on fuselage base 3 by adapter plate 28 and bolt.
The principle of work of said apparatus is as described below: when not working, jacking system 1 does not rise, and lifting table 7 is pressed on pin-lift arrangement 8, and when pin-lift arrangement 8 presses down steel rope 13, steel rope 13 pulls fender 4, makes it to pack up to the inside.While walking like this, the bottom of high-altitude operation platform fuselage has larger distance apart from ground and can avoid the walking of high-altitude operation platform to be obstructed.When work, jacking system 1 rises, and lifting table 7 departs from pin-lift arrangements 8, and steel rope 13 does not stress, and due to the effect of gravity or the torsion spring 19 of fender 4, fender 4 naturally droops, for supporting ground.
Claims (8)
1. with the sleeve-type high-altitude operation platform of device for preventing pothole tilting, this high-altitude operation platform comprises jacking system (1), lifting table (7), fuselage base (3), lifting table (7) is fixed on jacking system (1), described jacking system (1) adopts sleeve-type jacking system, jacking system (1) is arranged on fuselage base (3), fuselage base (3) is provided with described device for preventing pothole tilting, described device for preventing pothole tilting comprises the fender (4) of hinged 2 blocks of side plates (10) below that is arranged on fuselage base (3) and the pin-lift arrangement (8) that upper end can offset with lifting table (7) respectively, 2 fenders (4) vertically arrange, and by driving device, be connected with pin-lift arrangement (8) respectively, it is characterized in that: driving device is steel rope (13), the bottom of pin-lift arrangement (8) and steel rope (13) offset, and be respectively equipped with derrick block (14) in 2 sides of pin-lift arrangement (8), 2 sides of derrick block (14) are respectively equipped with positioning pulley (15), steel rope (13) is through derrick block (14) and positioning pulley (15), 2 ends of steel rope (13) are fixedly connected with fender (4) respectively, when pin-lift arrangement (8) presses down steel rope (13), steel rope (13) pulls fender (4) to pack up.
2. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 1, it is characterized in that: the lower end of pin-lift arrangement (8) is provided with U-shaped frame (22), in U-shaped frame (22), be provided with pulley (12), described steel rope (13) middle part is contained in pulley (12).
3. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 1 and 2, is characterized in that: pin-lift arrangement (8) is provided with reset attachment.
4. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 3, it is characterized in that: pin-lift arrangement (8) comprises apical axis (24), axle sleeve (23), stay bearing plate (11), depression bar (25), axle sleeve (23) is fixed on stay bearing plate (11), stay bearing plate (11) is fixedly installed on fuselage base (3), apical axis (24) is set in the top of axle sleeve (23), depression bar (25) is set in the bottom of axle sleeve (23), between apical axis (24) and depression bar (25), leave space, described reset attachment is retracing spring (21), it is set in the top of depression bar (25), boss on lower end and depression bar (25) offsets, upper end and apical axis (24) offset.
5. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 1; it is characterized in that: between fender (4) and side plate (10), be provided with reset attachment, when described reset attachment makes fender (4) not be subject to steel rope (13) pulling force, keep vertically.
6. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 5, is characterized in that: reset attachment is torsion spring (19), and torsion spring (19) is arranged between fender (4) and side plate (10).
7. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 1; it is characterized in that: fender (4) is L shaped angle steel; the one side of L shaped angle steel is bearing surface; another side is attachment face; attachment face is provided with installs flange (18); flange (18) is installed and is provided with bearing pin (17), L shaped angle steel is by the hinged hinged mouth (20) that is arranged on side plate (10) of bearing pin (17).
8. the sleeve-type high-altitude operation platform with device for preventing pothole tilting according to claim 1, it is characterized in that: the bottom centre position at fuselage base (3) is provided with axial through hole (26), side center, front and back at fuselage base (3) is respectively equipped with hook (27), and described hook (27) is arranged on fuselage base (3) by adapter plate (28) and bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278836.9A CN102815649B (en) | 2008-01-09 | 2008-01-09 | Bushing-type aerial working platform with depression-prevention tilting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278836.9A CN102815649B (en) | 2008-01-09 | 2008-01-09 | Bushing-type aerial working platform with depression-prevention tilting device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810059086 Division CN101214915B (en) | 2008-01-09 | 2008-01-09 | Lifting mechanism with hole incline preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102815649A CN102815649A (en) | 2012-12-12 |
| CN102815649B true CN102815649B (en) | 2014-07-30 |
Family
ID=47300164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210278836.9A Expired - Fee Related CN102815649B (en) | 2008-01-09 | 2008-01-09 | Bushing-type aerial working platform with depression-prevention tilting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102815649B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6911130B2 (en) | 2017-01-31 | 2021-07-28 | ジェイエルジー インダストリーズ インク．Ｊｌｇ Ｉｎｄｕｓｔｒｉｅｓ Ｉｎｃ． | Pothole protection mechanism for lift machines |
| CN109244786A (en) * | 2018-09-19 | 2019-01-18 | 中国南方电网有限责任公司超高压输电公司曲靖局 | A kind of ground line fast assembling-disassembling device |
| CN109267740A (en) * | 2018-10-30 | 2019-01-25 | 北京市机械施工有限公司 | Huge column modular is tilted from lifting operation platform |
| CN109775627B (en) * | 2019-03-26 | 2020-10-09 | 义乌市研创工业设计有限公司 | High altitude construction device for building |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890737A (en) * | 1997-01-31 | 1999-04-06 | Skyjack, Inc | Pothole protection mechanism for a lifting device |
| DE20116122U1 (en) * | 2001-10-01 | 2002-02-14 | Liftlux Potain Gmbh | lifting device |
| US6425459B1 (en) * | 2001-05-18 | 2002-07-30 | Snorkel International, Inc. | Aerial work platform apparatus with anti-tipping supplement |
| CN2543940Y (en) * | 2002-05-31 | 2003-04-09 | 北京市广安创高机械有限公司 | High altitude work platform |
| EP1392594B1 (en) * | 2001-06-08 | 2004-09-08 | JLG Industries, Inc. | Pothole protection mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7281736B2 (en) * | 2004-01-06 | 2007-10-16 | Jlg Industries, Inc. | Pothole protection mechanism |
-
2008
- 2008-01-09 CN CN201210278836.9A patent/CN102815649B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890737A (en) * | 1997-01-31 | 1999-04-06 | Skyjack, Inc | Pothole protection mechanism for a lifting device |
| US6425459B1 (en) * | 2001-05-18 | 2002-07-30 | Snorkel International, Inc. | Aerial work platform apparatus with anti-tipping supplement |
| EP1392594B1 (en) * | 2001-06-08 | 2004-09-08 | JLG Industries, Inc. | Pothole protection mechanism |
| DE20116122U1 (en) * | 2001-10-01 | 2002-02-14 | Liftlux Potain Gmbh | lifting device |
| CN2543940Y (en) * | 2002-05-31 | 2003-04-09 | 北京市广安创高机械有限公司 | High altitude work platform |
Non-Patent Citations (3)
| Title |
|---|
| US6425459B1B1 2002.07.30 |
| 刘少荣.整体升降脚手架防倾斜装置设计探讨.《建筑安全》.2005,第20卷(第12期),第42-43页. |
| 整体升降脚手架防倾斜装置设计探讨;刘少荣;《建筑安全》;20051231;第20卷(第12期);第42-43页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102815649A (en) | 2012-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9150390B2 (en) | Modular mobile crane | |
| KR20100093480A (en) | Vehicle, in particular construction vehicle | |
| CN102815649B (en) | Bushing-type aerial working platform with depression-prevention tilting device | |
| CN100506680C (en) | Aloft work platform with device for preventing pothole tilting | |
| CN201087120Y (en) | Anti-pothole incline device of platform for work high above ground | |
| CN112279135A (en) | Anti-falling buffering and damping device for construction machinery material | |
| CN102815648B (en) | Scissor aerial work platform with cavity incline resistant device | |
| CN201206097Y (en) | Pothole and tilting proof apparatus for lifting machine | |
| CN2543940Y (en) | High altitude work platform | |
| CN102807179B (en) | Mast-type aerial work platform with anti-hollow oblique device | |
| CN101214915B (en) | Lifting mechanism with hole incline preventing device | |
| CN204625094U (en) | A kind of manual transport trolley | |
| CN214328861U (en) | Construction device for pile foundation engineering | |
| CN203112393U (en) | Engineering machine supporting leg and crane comprising same | |
| CN211619872U (en) | Communication construction tool of ascending a height | |
| CN101670994B (en) | Lifting working platform for construction | |
| CN102832564A (en) | Pull-out device of power grounding bar | |
| CN204355016U (en) | Trailer towing carriage | |
| CN203961769U (en) | Track bridge reinforcing working stand | |
| CN102659041A (en) | Engineering machinery | |
| CN112158722A (en) | Frame of lifting device for well digging | |
| CN214939977U (en) | Bottom support | |
| CN210710410U (en) | Tilting mechanism suitable for prefabricated utility tunnel section of jurisdiction of piecemeal formula | |
| JP6151521B2 (en) | Mobile crane counterweight and unit weight | |
| CN220448857U (en) | Auxiliary dismantling device for spiral conveyor of shield tunneling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150109 |
|
| EXPY | Termination of patent right or utility model |