CN101214915B - Lifting mechanism with hole incline preventing device - Google Patents
Lifting mechanism with hole incline preventing device Download PDFInfo
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- CN101214915B CN101214915B CN 200810059086 CN200810059086A CN101214915B CN 101214915 B CN101214915 B CN 101214915B CN 200810059086 CN200810059086 CN 200810059086 CN 200810059086 A CN200810059086 A CN 200810059086A CN 101214915 B CN101214915 B CN 101214915B
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- pin
- lifting
- fender
- steel rope
- lift arrangement
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The invention relates to a lifting machine with a safety device, in particular to a lifting machine with an anti-pit inclined device. The lifting machine with the anti-pit inclined device includes an anti-pit inclined device; the anti-pit inclined device includes fenders which are respectively hinged below the two side plates of the machine chassis and a push rod device with the upper end which can rejects a lifting platform; the two fenders are vertically arranged and respectively connected with the push rod device by a transmission device; the transmission device is a steel wire rope; the lower part of the push rod device rejects to the steel wire rope; both sides of the push rod device are respectively provided with a lifting tackle; both sides of each lifting tackle are respectively provided with a positioning pulley; the steel wire rope goes through the lifting tackles and the positioning pulleys; both ends of the steel wire rope are respectively fixedly connected with the fenders; when the push rod device presses the steel wire rope, the steel wire rope pulls and folds the fenders. The invention is characterized by simple structure and convenient implementation, is applicable to all lifting machines, in particular to high-altitude operation platforms.
Description
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 the jacking system top; Jacking system is arranged on the fuselage, can be crossing type lifting apparatus, mast type elevator apparatus or sleeve-type jacking system; Running gear can be the wheel type running gear.The body bottom section of existing high-altitude operation platform is larger apart from the ground distance design, because when the walking of high-altitude operation platform, may there be some outstanding obstacles on the ground, such as hill or stone etc., the 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 mobile high-altitude operation platform, when mobile, the staff still rests on the job platform that is 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 meeting is so that vehicle body inclines trembles, and inclining of on the ground very little trembled, and passes to will become when being in high-order job platform to be very large displacement and inclination, the lighter has no a sense of safety the staff, when serious, so because high-altitude operation platform when 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 the operation platform did not rise, safety guard was in horizontality, made it far away apart from ground, was convenient to that high-altitude operation platform travels and the obstruction that is not subjected to the protrusion on ground.When the operation platform rose, safety guard was in vertical state, and it is nearer apart from ground, and safety guard can support and avoid on the ground body inclination when wheel runs into hollow.But it is too complicated that this patent exists physical construction, the defective that implementation cost is higher.
The 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 the 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 link by contiguous block with the connecting rod push rod respectively.
Summary of the invention
Be subject to the threat of ground hollow when solving the walking after rising of above-mentioned high-altitude operation platform, easily the technological deficiency of displacement and inclination.The purpose 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 purpose, the present invention has adopted following technical scheme:
Lifting machinery with device for preventing pothole tilting; comprise jacking system; lifting table; the fuselage base; lifting table is fixed on the jacking system; jacking system is arranged on the fuselage base; the fuselage base is provided with device for preventing pothole tilting; described device for preventing pothole tilting comprises the pin-lift arrangement that the fender of the hinged 2 side plates below that is arranged on the fuselage base respectively and upper end can offset with lifting table; 2 fenders vertically arrange; and be connected with pin-lift arrangement by driving device 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 captiveed joint with fender respectively, and when pin-lift arrangement pressed down steel rope, steel rope pulling fender was packed up.
As preferably, the lower end of above-mentioned pin-lift arrangement is provided with the U-shaped frame, is provided with pulley in the U-shaped frame, and described steel rope middle part is contained in the 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 was used for lifting table disengaging pin-lift arrangement, pin-lift arrangement resetted, 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 the stay bearing plate, and stay bearing plate is fixedly installed on the fuselage base, and apical axis is set in the top of axle sleeve, depression bar is set in the bottom of axle sleeve, leave the space between apical axis and the depression bar, described reset attachment is retracing spring, and it is set in the top of depression bar, boss on lower end and the 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 the retracing spring transferring power, making the power that presses 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 easily characteristics.
As preferably, be provided with reset attachment between above-mentioned fender and the side plate, when making fender not be subjected to lineoutofservice signal pull, described reset attachment keeps vertically.Be torsion spring as preferred again, above-mentioned reset attachment, torsion spring is arranged between fender and the side plate.Above-mentioned structure provides a kind of reset attachment of fender, have simple in structure, implement easily characteristics.
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 the installation flange, flange is installed 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, makes that structure is more simple, enforcement is more convenient.
As preferably, the above-mentioned bottom centre position at the fuselage base is provided with axial through hole, is respectively equipped with hook in side center, the front and back of fuselage base, and described hook is arranged on the 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 characteristics 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 the pin-lift arrangement, and when pin-lift arrangement pressed down steel rope, steel rope pulling fender made it to pack up to the inside.When 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 breaks away from pin-lift arrangement, and steel rope does not stress, because the gravity of fender or the effect of reset attachment, fender naturally droops, and is used for supporting ground.That the present invention has is simple in structure, implement easily characteristics, is suitable for various lifting machinery, is particularly suitable for high-altitude operation platform.
Description of drawings
Fig. 1 is that the present invention is installed in the schematic diagram on the 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 the 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 the jacking system erecting frame 6, and lifting table 7 is fixed on the jacking system 1, and front-wheel 5 and trailing wheel 9 are fixed on the 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 vertically be arranged on the 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 the stay bearing plate 11, and stay bearing plate 11 is fixedly installed on the fuselage base 3, and apical axis 24 is set in the top of axle sleeve 23.All U-shaped framves 22 of the lower end of depression bar 25 are provided with pulley 12 in the U-shaped frame 22, the middle part of steel rope 13 is contained in the pulley 12.The upper end of depression bar 25 is set in the bottom of axle sleeve 23, leaves the space between apical axis 24 and depression bar 25, is provided with retracing spring 21 in the space, and retracing spring 21 is set in the top of depression bar 25, and the boss on lower end and the depression bar 25 offsets, and upper end and apical axis 24 offset.
Such as Fig. 2, shown in Figure 4, on the bottom surface of fuselage base 3, be fixed with respectively derrick block 14 in 2 sides of pin-lift arrangement 8, arranging of derrick block 14 highly is 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 passes derrick block 14 and positioning pulley 15,2 ends of steel rope 13 respectively be arranged on fender 4 on connecting panel 16 captive joint, when pin-lift arrangement 8 pressed down steel rope 13, steel rope 13 pulling fenders 4 were packed 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 is provided with bearing pin 17, and L shaped angle steel is by bearing pin 17 in hinged hinged mouthful of 20 (as shown in Figure 3) that are arranged on side plate 10.As shown in Figure 6, be provided with torsion spring 19 between fender 4 and the side plate 10, torsion spring 19 is arranged on the bearing pin 17, and one arm and fender 4 offset, and another arm and side plate 10 offset, and keeps vertical state when making fender 4 not be subjected 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 the 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 the pin-lift arrangement 8, and when pin-lift arrangement 8 pressed down steel rope 13, steel rope 13 pulling fenders 4 made it to pack up to the inside.When 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 breaks away from pin-lift arrangement 8, and steel rope 13 does not stress, because the gravity of fender 4 or the effect of torsion spring 19, fender 4 naturally droops, and is used for supporting ground.
Claims (8)
1. with the lifting machinery of device for preventing pothole tilting; comprise jacking system (1); lifting table (7); fuselage base (3); lifting table (7) is fixed on the jacking system (1); jacking system (1) is arranged on the fuselage base (3); fuselage base (3) is provided with described device for preventing pothole tilting; described device for preventing pothole tilting comprises the pin-lift arrangement (8) that the fender (4) of hinged 2 blocks of side plates (10) below that is arranged on fuselage base (3) respectively and upper end can offset with lifting table (7); 2 fenders (4) vertically arrange; and be connected with pin-lift arrangement (8) by driving device 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) passes derrick block (14) and positioning pulley (15); 2 ends of steel rope (13) are captiveed joint with fender (4) respectively; when pin-lift arrangement (8) pressed down steel rope (13), steel rope (13) pulling fender (4) was packed up.
2. the lifting machinery 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), be provided with pulley (12) in the U-shaped frame (22), described steel rope (13) middle part is contained in the pulley (12).
3. the lifting machinery with device for preventing pothole tilting according to claim 1 and 2, it is characterized in that: pin-lift arrangement (8) is provided with reset attachment.
4. the lifting machinery 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 the stay bearing plate (11), stay bearing plate (11) is fixedly installed on the 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), leave the space between apical axis (24) and the depression bar (25), described reset attachment is retracing spring (21), it is set in the top of depression bar (25), boss on lower end and the depression bar (25) offsets, and upper end and apical axis (24) offset.
5. the lifting machinery with device for preventing pothole tilting according to claim 1 is characterized in that: be provided with reset attachment between fender (4) and the side plate (10), keep vertically when described reset attachment makes fender (4) not be subjected to steel rope (13) pulling force.
6. the lifting machinery with device for preventing pothole tilting according to claim 5, it is characterized in that: reset attachment is torsion spring (19), torsion spring (19) is arranged between fender (4) and the side plate (10).
7. the lifting machinery 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 is provided with bearing pin (17), L shaped angle steel is by in the hinged hinged mouth (20) that is arranged on side plate (10) of bearing pin (17).
8. the lifting machinery 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 the fuselage base (3) by adapter plate (28) and bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810059086 CN101214915B (en) | 2008-01-09 | 2008-01-09 | Lifting mechanism with hole incline preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810059086 CN101214915B (en) | 2008-01-09 | 2008-01-09 | Lifting mechanism with hole incline preventing device |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210278798.7A Division CN102815648B (en) | 2008-01-09 | 2008-01-09 | Scissor aerial work platform with cavity incline resistant device |
| CN201210278803.4A Division CN102807179B (en) | 2008-01-09 | 2008-01-09 | Mast-type aerial work platform with anti-hollow oblique device |
| CN201210278836.9A Division CN102815649B (en) | 2008-01-09 | 2008-01-09 | Bushing-type aerial working platform with depression-prevention tilting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101214915A CN101214915A (en) | 2008-07-09 |
| CN101214915B true CN101214915B (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810059086 Expired - Fee Related CN101214915B (en) | 2008-01-09 | 2008-01-09 | Lifting mechanism with hole incline preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101214915B (en) |
Citations (4)
| 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 |
| WO2002100761A1 (en) * | 2001-06-08 | 2002-12-19 | Jlg Industries, Inc. | Pothole protection mechanism |
| 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 |
-
2008
- 2008-01-09 CN CN 200810059086 patent/CN101214915B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
| WO2002100761A1 (en) * | 2001-06-08 | 2002-12-19 | Jlg Industries, Inc. | Pothole protection mechanism |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101214915A (en) | 2008-07-09 |
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Owner name: ZHEJIANG DINGLI MACHINERY CO., LTD. Free format text: FORMER OWNER: XU SHUGEN Effective date: 20110321 |
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Free format text: CORRECT: ADDRESS; FROM: 313219 NO. 1255, BAIYUN SOUTH ROAD, LEIDIAN TOWN, DEQING COUNTY, ZHEJIANG PROVINCE TO: 313219 ZHEJIANG DINGLI MACHINERY CO., LTD., TANGBEI VILLAGE, LEIDIAN TOWN, DEQING COUNTY, HUZHOU CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20110321 Address after: 313219 Zhejiang city of Huzhou province Deqing County Lei Dian Zhen Tang Bei Cun, Zhejiang Dingli Machinery Co. Ltd. Applicant after: Zhejiang Dingli Machinery Co., Ltd. Address before: 313219 Zhejiang province Deqing County leidian town of Baiyun Road No. 1255 Applicant before: Xu Shugen |
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Address after: 313219 Zhejiang province Deqing County leidian town of Baiyun Road No. 1255 Patentee after: Zhejiang Dingli Machinery Co., Ltd. Address before: 313219 Zhejiang city of Huzhou province Deqing County Lei Dian Zhen Tang Bei Cun, Zhejiang Dingli Machinery Co. Ltd. Patentee before: Zhejiang Dingli Machinery Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20180109 |