CN201206097Y - Pothole and tilting proof apparatus for lifting machine - Google Patents
Pothole and tilting proof apparatus for lifting machine Download PDFInfo
- Publication number
- CN201206097Y CN201206097Y CNU2008200819963U CN200820081996U CN201206097Y CN 201206097 Y CN201206097 Y CN 201206097Y CN U2008200819963 U CNU2008200819963 U CN U2008200819963U CN 200820081996 U CN200820081996 U CN 200820081996U CN 201206097 Y CN201206097 Y CN 201206097Y
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- pin
- fender
- steel rope
- lift arrangement
- lifting machinery
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 230000003028 elevating effect Effects 0.000 abstract 6
- 230000007246 mechanism Effects 0.000 abstract 5
- 230000005484 gravity Effects 0.000 description 3
- 230000007812 deficiency Effects 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
- 238000007665 sagging Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000005540 biological transmission Effects 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
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model relates to a safety device of an elevating mechanism, in particular to a device for preventing the elevating mechanism from inclining when a pothole appears. The device comprises fenders and an ejector device, wherein the fenders are respectively hinged and arranged below two lateral plates which are arranged on the base of the elevating mechanism body; the upper end of the ejector device can be butted against an elevating platform of the elevating mechanism; the two fenders are vertically arranged and respectively connected with the ejector device through a gear device, which is a steel wire rope; the lower part of the ejector device is butted against the steel wire rope; lifting tackles are respectively arranged on two sides of the ejector device; positioning tackles are respectively arranged on two sides of the lifting tackles; the steel wire rope passes through the lifting tackles and the positioning tackles; two ends of the steel wire rope are fixedly connected with the fenders respectively; and the steel wire rope pulls and retracts the fenders when the ejector device presses down the steel wire rope. The device has the characteristics that the structure is simple, the operation is easy, and the safety device is suitable for various elevating mechanisms, in particular for an aerial working platform.
Description
Technical field
The utility model relates to a kind of safety device of lifting machinery, relates in particular to a kind of device for preventing pothole tilting of lifting machinery.
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 to cut and formula jacking system, column type jacking system or sleeve-type jacking system; Running gear can be a wheel formula running gear.The body bottom section of existing high-altitude operation platform is bigger apart from the ground distance design-calculated, 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 ground-surface bigger distance of distance can avoid the walking of high-altitude operation platform to be obstructed.
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 formula running gear is generally less, wheel falls into hollow easily, this can make vehicle body incline and tremble that inclining of on the ground very little trembled, and passes to will become when being in high-order job platform to be very big 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, China's utility model 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 ground-surface protrusion.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 body inclination on the ground 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 at 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 respectively fender that is arranged on 2 sides of high-altitude operation platform fuselage that 2 fenders link by contiguous block with the connecting rod push rod respectively.
Summary of the invention
Be subjected to the threat of ground hollow when solving the walking after rising of above-mentioned high-altitude operation platform, easily displacement and bevelled technological deficiency.The purpose of this utility model provides that another is simple in structure, implement the device for preventing pothole tilting of lifting machinery easily.
In order to realize above-mentioned purpose, the utility model has adopted following technical scheme:,
The device for preventing pothole tilting of lifting machinery; comprise the fender of 2 side plates below of the hinged respectively fuselage base that is arranged on lifting machinery and the pin-lift arrangement that the upper end can offset with the lifting table of lifting machinery; 2 fenders vertically are provided with; and be connected with pin-lift arrangement by driving device respectively; described driving device is a steel rope; the 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 the location pulley; steel wire penetrating derrick block and location 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, all U-shaped framves of the lower end of above-mentioned pin-lift arrangement are provided with in the U-shaped frame and are provided with pulley, 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 a 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 to press steel rope, can prevent the unexpected stressed fracture that causes of steel rope.Have simple in structure, implement characteristics easily.
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.As preferred again, above-mentioned reset attachment is torsion spring, and 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 characteristics easily.
As preferably, above-mentioned fender is L shaped angle steel, and the one side of L shaped angle steel is a bearing surface, and another side is an 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.
The utility model 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 bigger 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 is sagging naturally, is used to support ground.The utlity model has simple in structure, implement characteristics easily, be suitable for various lifting machinery, be particularly suitable for high-altitude operation platform.
Description of drawings
Fig. 1 is installed in scheme drawing on the high-altitude operation platform for the utility model.
Fig. 2 is a mounting structure scheme drawing of the present utility model.
Fig. 3 is the structural representation of the fuselage base of the utility model lifting machinery.
Fig. 4 is the structural representation between the utility model fender and the driving device.
Fig. 5 is the structural representation of the utility model pin-lift arrangement.
Fig. 6 is the structural representation of the utility model fender reset attachment.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model 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; hinged respectively 2 side plate 10 belows that are arranged on the fuselage base 3 of high-altitude operation platform of 2 block protection plates 4; 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 in the U-shaped frame 22 and are provided with pulley 12, and 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.
As Fig. 2, shown in Figure 4, on the bottom surface of fuselage base 3, be fixed with derrick block 14 respectively in 2 sides of pin-lift arrangement 8, being provided with of derrick block 14 highly is higher than pulley 12.2 sides of derrick block 14 are fixed with location pulley 15 respectively on 2 blocks of side plates 10.Described steel rope 13 passes derrick block 14 and location 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 a bearing surface; another side is an 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.
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 bigger 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 is sagging naturally, is used to support ground.
Claims (7)
1. the device for preventing pothole tilting of lifting machinery; comprise the fender (4) of 2 blocks of side plates (10) below of the hinged respectively fuselage base (3) that is arranged on lifting machinery and the pin-lift arrangement (8) that the upper end can offset with the lifting table (7) of lifting machinery; 2 fenders (4) vertically are provided with; 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 location pulley (15); steel rope (13) passes derrick block (14) and location 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 device for preventing pothole tilting of lifting machinery according to claim 1, it is characterized in that: all U-shaped framves (22) of the lower end of pin-lift arrangement (8), be provided with in the U-shaped frame (22) and be provided with pulley (12), described steel rope (13) middle part is contained in the pulley (12).
3. the device for preventing pothole tilting of lifting machinery according to claim 1 and 2, it is characterized in that: pin-lift arrangement (8) is provided with reset attachment.
4. the device for preventing pothole tilting of lifting machinery 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 device for preventing pothole tilting of lifting machinery 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 device for preventing pothole tilting of lifting machinery 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 device for preventing pothole tilting of lifting machinery 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 a bearing surface; another side is an 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200819963U CN201206097Y (en) | 2008-01-09 | 2008-01-09 | Pothole and tilting proof apparatus for lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200819963U CN201206097Y (en) | 2008-01-09 | 2008-01-09 | Pothole and tilting proof apparatus for lifting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206097Y true CN201206097Y (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200819963U Expired - Fee Related CN201206097Y (en) | 2008-01-09 | 2008-01-09 | Pothole and tilting proof apparatus for lifting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201206097Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044660A (en) * | 2016-08-09 | 2016-10-26 | 江苏建筑职业技术学院 | Book ladder for self locking and vertical pedal lifting |
| CN110690653A (en) * | 2019-10-17 | 2020-01-14 | 安徽建筑大学 | Electric automatization switch board convenient to remove |
| US10676334B2 (en) | 2015-04-18 | 2020-06-09 | Haulotte Group | Anti-pothole aerial work platform |
-
2008
- 2008-01-09 CN CNU2008200819963U patent/CN201206097Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10676334B2 (en) | 2015-04-18 | 2020-06-09 | Haulotte Group | Anti-pothole aerial work platform |
| CN106044660A (en) * | 2016-08-09 | 2016-10-26 | 江苏建筑职业技术学院 | Book ladder for self locking and vertical pedal lifting |
| CN110690653A (en) * | 2019-10-17 | 2020-01-14 | 安徽建筑大学 | Electric automatization switch board convenient to remove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG DINGLI MACHINERY CO., LTD. Free format text: FORMER OWNER: XU SHUGEN Effective date: 20110324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
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 COUNTRY, HUZHOU CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110324 Address after: 313219 Zhejiang city of Huzhou province Deqing County Lei Dian Zhen Tang Bei Cun, Zhejiang Dingli Machinery Co. Ltd. Patentee after: Zhejiang Dingli Machinery Co., Ltd. Address before: 313219 Zhejiang province Deqing County leidian town of Baiyun Road No. 1255 Patentee before: Xu Shugen |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
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. |
|
| 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: 20090311 Termination date: 20170109 |