CN105923556A - Multi-section nested large hoisting height extension supporting leg device for lorry-mounted crane - Google Patents
Multi-section nested large hoisting height extension supporting leg device for lorry-mounted crane Download PDFInfo
- Publication number
- CN105923556A CN105923556A CN201610490705.5A CN201610490705A CN105923556A CN 105923556 A CN105923556 A CN 105923556A CN 201610490705 A CN201610490705 A CN 201610490705A CN 105923556 A CN105923556 A CN 105923556A
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- China
- Prior art keywords
- telescopic
- joint
- lorry
- telescopic joint
- chuck
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0321—Travelling cranes
- B66C2700/0328—Cranes on rails or on rail vehicles
- B66C2700/035—Construction details related to the travelling, to the supporting of the crane or to the blocking of the axles; Outriggers; Coupling of the travelling mechanism to the crane mechanism
Abstract
The invention discloses a multi-section nested large hoisting height extension supporting leg device for a lorry-mounted crane. The multi-section nested large hoisting height extension supporting leg device for the lorry-mounted crane belongs to the field of crane equipment, and comprises n sections of extension supporting legs and a vertical oil cylinder; n sections of extension supporting legs are fixedly connected up and down; each section of extension supporting leg is formed by a plurality of extension joints in an up-and-down sleeving way; the extension joints are sequentially thickened from bottom to top; each extension joint located on the lower part can be arranged in the corresponding extension joint on the upper part in a sleeving way; each section of extension joint is a hollow sleeve pipe; an externally convex clamping table is arranged on the upper part of each extension joint; an internally convex clamping seat is arranged on the lower part of each extension joint; the clamping tables and the clamping seats of each upper extension joint and the corresponding lower extension joint are arranged in a matching way; fixing and locking devices are arranged on corresponding positions of the clamping tables and the clamping seats. The increase and the decrease of materials are not necessary for extending or contracting the multi-section nested large hoisting height extension supporting leg device for the lorry-mounted crane, and the locking function can be realized to maintain the overall stability when extending or contracting in place. The multi-section nested large hoisting height extension supporting leg device for the lorry-mounted crane is simple and convenient to operate, high in safety factor, strong in controllability, large in height adjustment range, and capable of effectively avoiding the occurrence of accidents.
Description
Technical field
The invention belongs to crane facility field, be specifically related to a kind of lorry-mounted crane more piece nested type big elevating height Telescopic support leg device.
Background technology
Existing leg adjusting device, including mounting seat, wedge pin, traveller, Vertical Cylinders (it is parallel with supporting leg that Vertical Cylinders is arranged on leg adjusting device side), being provided with supported hole in mounting seat, supported hole is through hole, the axis of traveller and the axis perpendicular of supported hole, the access hole being connected with mounting seat it is provided with on traveller, when Vertical Cylinders promotes traveller to move along mounting seat, hoisting or fall back to certain height, wedge pin plays the effect of support in inserting installing hole.The drawback of prior art is that Vertical Cylinders is the most faulty when the stroke that hoists is big, and traveller can fall to causing the accident moment.
Summary of the invention
It is an object of the invention to the technical problem existed for crane leg adjusting device in prior art, a kind of more piece nested type big elevating height Telescopic support leg device is provided, this device belongs to more piece nesting type structure, each joint is supporting leg case flexible link again, successively interlock, each joint length differs, regulation stroke can regulate as required, stretch out or shrink all need not increase and decrease material；Stretching out or shrink to put in place and all possess locking function holding resistance to overturning, easy and simple to handle, controllability is strong, and safety coefficient is high.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of lorry-mounted crane more piece nested type big elevating height Telescopic support leg device, telescopic outrigger is saved including n, and Vertical Cylinders, described n >=2, on n joint telescopic outrigger, lower fixing connection, often joint telescopic outrigger is set with up and down by some telescopic joints and forms, telescopic joint by lower and on overstriking successively, the telescopic joint being positioned at bottom can be sleeved on top telescopic joint, often joint telescopic joint is hollow sleeve, telescopic joint top is provided with the chuck of evagination, telescopic joint bottom arranges the deck of convex, on described, lower telescopic joint chuck, deck Matching installation, and in chuck, deck correspondence position is provided with fixing, locking device.
Based on technique scheme, described fixing locking device is for be provided with through hole at upper and lower telescopic joint chuck, deck correspondence position, and through hole is provided with fixed bolt and locking nut.
Based on technique scheme, described chuck is the circumference chuck being arranged on telescopic joint top, and described deck is the circumference deck being arranged on telescopic joint bottom, and chuck, deck are structure as a whole with telescopic joint.
Based on technique scheme, often joint telescopic joint top chuck arranges some, described chuck is cuboid structure, is equidistantly distributed on telescopic joint circumference, the deck of described telescopic joint bottom is correspondingly arranged with the top chuck of lower joint telescopic joint, and through hole, configuration fixed bolt and locking nut are set on corresponding chuck, deck.
Based on technique scheme, in n joint telescopic outrigger, the telescopic joint quantity of part telescopic outrigger is different.
Based on technique scheme, adjacent expansion supporting leg is bolted to connection together.
Based on technique scheme, adjacent expansion supporting leg is fixedly connected by welding together.
A kind of lorry-mounted crane more piece nested type big elevating height Telescopic support leg device, is elongated or shortened by Vertical Cylinders driving including at least one telescopic outrigger；Each telescopic outrigger includes that multi-stage expansion saves, and described telescopic joint is sleeve structure, and the upper port periphery of each telescopic joint stretches out and forms top flanging, and top flanging is to having connecting bolt；The lower port periphery of each telescopic joint stretches out and forms bottom flanging, and extends inwardly to form bottom in-flanges, is respectively arranged with connecting hole at bottom flanging and bottom in-flanges；Higher level's telescopic joint is sleeved on the outside of subordinate's telescopic joint.
Beneficial effect: in special place, crane facility supporting leg needs to regulate height, the most outdoor place having high-voltage line, or the place that between crane gear supporting leg, difference of height need to convert at any time.Crane gear height overall there is safe distance requirement, it is desirable to regulation crane gear total height；Or need to regulate telescopic outrigger height in order to difference of height between two legs is decreased or increased.Telescopic support leg device of the present invention is more piece nesting type structure, each joint is supporting leg case flexible link again, successively interlock, each joint length differs, regulation stroke can regulate as required, telescopic outrigger each joint surrounding is provided with fixed bolt, when height of landing leg need to be reduced, supported by Vertical Cylinders, unclamp fixing nut, elongation joint is retracted from a upper joint, reduce height section by section, when height of landing leg need to be raised, vertically hoist again by Vertical Cylinders, often save and stretch out from a upper joint and put in place, stretch out joint stud just insert the through hole in a joint exit and use nut check.Stretch out or shrink and all need not increase and decrease material；Stretch out or shrink to put in place and all possess locking function holding resistance to overturning.Easy and simple to handle, safety coefficient is high, and controllability is strong, and height adjustment range is big, even if Vertical Cylinders breaks down, is also not result in the moment landing of whole telescopic outrigger, and the accident that is prevented effectively from occurs.
Accompanying drawing explanation
Fig. 1 is that telescopic outrigger of the present invention stretches out status architecture schematic diagram；
Fig. 2 is telescopic outrigger contraction state structural representation of the present invention；
Fig. 3 is one of partial enlargement structural representation in Fig. 1；
Fig. 4 is partial enlargement structural representation in Fig. 2；
Fig. 5 is in Fig. 1 the two of partial enlargement structural representation.
Label in figure, 1 is telescopic outrigger, and 2 is telescopic joint, and 3 is fixed bolt, and 4 is chuck, and 5 is deck, and 6 is higher level's telescopic joint, and 7 is subordinate's telescopic joint, and 8 is bottom in-flanges, and 9 is bottom flanging, and 10 is top flanging, and 11 is connecting hole, and 12 is connecting bolt.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be further described, in order to is more fully understood that technical solution of the present invention.
Embodiment 1: a kind of lorry-mounted crane more piece nested type big elevating height Telescopic support leg device, see Fig. 1 and Fig. 2, including n joint telescopic outrigger 1 and Vertical Cylinders, n determines according to construction needs, telescopic outrigger is upper and lower is bolted to connection at least 2, n joint, and often joint telescopic outrigger is set with up and down by some telescopic joints and forms, often save the telescopic joint quantity of telescopic outrigger, specifically highly can determine according to adjusting.And telescopic joint by lower and on overstriking successively, the telescopic joint being positioned at bottom can be sleeved on top telescopic joint, often joint telescopic joint is hollow sleeve, the chuck 4 of evagination it is provided with at telescopic joint top circumference, arrange the deck 5 of convex in telescopic joint lower circumference, described chuck, deck are structure as a whole with telescopic joint.Upper and lower telescopic joint chuck, deck Matching installation, be provided with through hole at upper and lower telescopic joint chuck, deck correspondence position, and through hole is provided with fixed bolt 3 and locking nut.
In the present embodiment, telescopic outrigger is movable supporting legs, integral telescopic mechanism is more piece nesting type structure, each joint telescopic outrigger is supporting leg case flexible link again, successively interlocks, and each root section differs according to arranging telescopic joint quantity length, regulation stroke can regulate as required, telescopic outrigger each joint telescopic joint surrounding is provided with fixed bolt, and during elongation, elongation joint stretches out from a upper joint, fix with locking nut, otherwise unclamp locking nut and be allowed to a upper joint of retracting.Stretch out or shrink and all need not increase and decrease material；Stretch out or shrink to put in place and all possess locking function holding resistance to overturning.Concrete operations are: when reducing height of landing leg, supported by Vertical Cylinders, unclamp fixing nut and reduce height section by section, when height of landing leg need to be raised, vertically hoist again by Vertical Cylinders, often save and stretch out from a upper joint and put in place, stretch out joint stud and just insert the through hole in a joint exit and use nut check.
Embodiment 2: the present embodiment content is essentially identical with embodiment 1 content, same section content no longer repeats, as different from Example 1: in the present embodiment, adjacent expansion supporting leg is fixedly connected by welding together, often joint telescopic joint top chuck arranges some, chuck is cuboid structure, is equidistantly distributed on telescopic joint circumference, the deck of telescopic joint bottom is correspondingly arranged with the top chuck of lower joint telescopic joint, and arranges through hole, configuration fixed bolt and locking nut on corresponding chuck, deck.
Embodiment 3: a kind of lorry-mounted crane more piece nested type big elevating height Telescopic support leg device, sees Fig. 1 and Fig. 5, is elongated or shortened by Vertical Cylinders driving including at least one telescopic outrigger；Each telescopic outrigger includes that multi-stage expansion saves, and described telescopic joint is sleeve structure, and the upper port periphery of each telescopic joint stretches out and forms top flanging 10, and top flanging is to having connecting bolt 12；The lower port periphery of each telescopic joint stretches out and forms bottom flanging 9, and extends inwardly to form bottom in-flanges 8, is respectively arranged with connecting hole 11 at bottom flanging and bottom in-flanges；Higher level's telescopic joint 6 is sleeved on the outside of subordinate's telescopic joint 7.
Claims (8)
1. a lorry-mounted crane more piece nested type big elevating height Telescopic support leg device, telescopic outrigger is saved including n, and Vertical Cylinders, described n >=2, on n joint telescopic outrigger, lower fixing connection, often joint telescopic outrigger is set with up and down by some telescopic joints and forms, telescopic joint by lower and on overstriking successively, the telescopic joint being positioned at bottom can be sleeved on top telescopic joint, often joint telescopic joint is hollow sleeve, telescopic joint top is provided with the chuck of evagination, telescopic joint bottom arranges the deck of convex, on described, lower telescopic joint chuck, deck Matching installation, and in chuck, deck correspondence position is provided with fixing, locking device.
Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device the most according to claim 1, it is characterized in that: described fixing, locking device is particularly as follows: be provided with through hole at upper and lower telescopic joint chuck, deck correspondence position, and through hole is provided with fixed bolt and locking nut.
Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device the most according to claim 2, it is characterized in that: described chuck is the circumference chuck being arranged on telescopic joint top, described deck is the circumference deck being arranged on telescopic joint bottom, and chuck, deck are structure as a whole with telescopic joint.
Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device the most according to claim 2, it is characterized in that: often joint telescopic joint top chuck arranges some, described chuck is cuboid structure, is equidistantly distributed on telescopic joint circumference, the deck of described telescopic joint bottom is correspondingly arranged with the top chuck of lower joint telescopic joint, and through hole, configuration fixed bolt and locking nut are set on corresponding chuck, deck.
Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device the most according to claim 1, is characterized in that: in n joint telescopic outrigger, the telescopic joint quantity of part telescopic outrigger is different.
6., according to the more piece nested type big elevating height Telescopic support leg device of the lorry-mounted crane described in any one of claim 1-5, it is characterized in that: adjacent expansion supporting leg is bolted to connection together.
7., according to the more piece nested type big elevating height Telescopic support leg device of the lorry-mounted crane described in any one of claim 1-5, it is characterized in that: adjacent expansion supporting leg is fixedly connected by welding together.
8. a lorry-mounted crane more piece nested type big elevating height Telescopic support leg device, is characterized in that: includes that at least one telescopic outrigger is driven by Vertical Cylinders and elongates or shortens；Each telescopic outrigger includes that multi-stage expansion saves, and described telescopic joint is sleeve structure, and the upper port periphery of each telescopic joint stretches out and forms top flanging, and top flanging is to having connecting bolt；The lower port periphery of each telescopic joint stretches out and forms bottom flanging, and extends inwardly to form bottom in-flanges, is respectively arranged with connecting hole at bottom flanging and bottom in-flanges；Higher level's telescopic joint is sleeved on the outside of subordinate's telescopic joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490705.5A CN105923556B (en) | 2016-06-29 | 2016-06-29 | Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490705.5A CN105923556B (en) | 2016-06-29 | 2016-06-29 | Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105923556A true CN105923556A (en) | 2016-09-07 |
| CN105923556B CN105923556B (en) | 2018-02-16 |
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| CN201610490705.5A Active CN105923556B (en) | 2016-06-29 | 2016-06-29 | Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121399A (en) * | 2007-09-03 | 2008-02-13 | 三一重工股份有限公司 | Telescopic component and support for engineering machinery and concrete pump vehicle with the support |
| CN101229904A (en) * | 2008-02-25 | 2008-07-30 | 齐齐哈尔轨道交通装备有限责任公司 | Support cylinder as well as support means and crane having the same |
| CN101717039A (en) * | 2009-12-17 | 2010-06-02 | 三一电气有限责任公司 | Supporting structure and crane with same |
| CN201777806U (en) * | 2009-12-02 | 2011-03-30 | 三一汽车制造有限公司 | Crane support leg assembly and crane adopting the same |
| KR20110133129A (en) * | 2010-06-04 | 2011-12-12 | 이덕희 | Outrigger holding device for special purpose vehicle |
| CN202279649U (en) * | 2011-10-14 | 2012-06-20 | 三一汽车起重机械有限公司 | Perpendicular landing leg and hoist with same |
| CN202499671U (en) * | 2012-03-13 | 2012-10-24 | 三一汽车起重机械有限公司 | Oil cylinder internally-sealed vertical outrigger and crane |
| CN202897882U (en) * | 2012-11-23 | 2013-04-24 | 长沙中联消防机械有限公司 | Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle |
| CN203159047U (en) * | 2013-03-27 | 2013-08-28 | 国家电网公司 | Hydraulic span and height adjustable gantry crane |
| CN203172604U (en) * | 2013-04-17 | 2013-09-04 | 孙阳光 | Supporting leg structure for machinery |
| DE202014104165U1 (en) * | 2014-09-04 | 2014-09-15 | Quzhou City Wadier Numerical Control Co., Ltd. | A novel crane foot construction |
| CN205838404U (en) * | 2016-06-29 | 2016-12-28 | 河南省黄河防爆起重机有限公司 | Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device |
-
2016
- 2016-06-29 CN CN201610490705.5A patent/CN105923556B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121399A (en) * | 2007-09-03 | 2008-02-13 | 三一重工股份有限公司 | Telescopic component and support for engineering machinery and concrete pump vehicle with the support |
| CN101229904A (en) * | 2008-02-25 | 2008-07-30 | 齐齐哈尔轨道交通装备有限责任公司 | Support cylinder as well as support means and crane having the same |
| CN201777806U (en) * | 2009-12-02 | 2011-03-30 | 三一汽车制造有限公司 | Crane support leg assembly and crane adopting the same |
| CN101717039A (en) * | 2009-12-17 | 2010-06-02 | 三一电气有限责任公司 | Supporting structure and crane with same |
| KR20110133129A (en) * | 2010-06-04 | 2011-12-12 | 이덕희 | Outrigger holding device for special purpose vehicle |
| CN202279649U (en) * | 2011-10-14 | 2012-06-20 | 三一汽车起重机械有限公司 | Perpendicular landing leg and hoist with same |
| CN202499671U (en) * | 2012-03-13 | 2012-10-24 | 三一汽车起重机械有限公司 | Oil cylinder internally-sealed vertical outrigger and crane |
| CN202897882U (en) * | 2012-11-23 | 2013-04-24 | 长沙中联消防机械有限公司 | Landing leg for engineering vehicle, chassis for engineering vehicle and engineering vehicle |
| CN203159047U (en) * | 2013-03-27 | 2013-08-28 | 国家电网公司 | Hydraulic span and height adjustable gantry crane |
| CN203172604U (en) * | 2013-04-17 | 2013-09-04 | 孙阳光 | Supporting leg structure for machinery |
| DE202014104165U1 (en) * | 2014-09-04 | 2014-09-15 | Quzhou City Wadier Numerical Control Co., Ltd. | A novel crane foot construction |
| CN205838404U (en) * | 2016-06-29 | 2016-12-28 | 河南省黄河防爆起重机有限公司 | Lorry-mounted crane more piece nested type big elevating height Telescopic support leg device |
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| Publication number | Publication date |
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| CN105923556B (en) | 2018-02-16 |
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