CN102923586A - Telescopic truss structure connected by web members and plug pins - Google Patents
Telescopic truss structure connected by web members and plug pins Download PDFInfo
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- CN102923586A CN102923586A CN2012104526290A CN201210452629A CN102923586A CN 102923586 A CN102923586 A CN 102923586A CN 2012104526290 A CN2012104526290 A CN 2012104526290A CN 201210452629 A CN201210452629 A CN 201210452629A CN 102923586 A CN102923586 A CN 102923586A
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- web member
- telescopic
- slip joint
- truss frame
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Abstract
The invention discloses a telescopic truss structure connected by web members and plug pins, which comprises at least two telescopic joints with truss structures, wherein the telescopic joints are embedded together. The telescopic truss structure connected by the web members and the plug pins is characterized in that telescopic positioning of every adjacent two telescopic joints which are embedded together is realized by hydraulic plug pin mechanisms which are arranged between the web members at opposite sides and plug pin holes which are formed in corresponding positions. According to force bearing character of the structure, between the two weld members at the opposite sides of different structural joints, the joints are connected through the two hydraulic plug pin mechanisms, so that plug pin pulling and plugging time of the telescopic truss structure is greatly shortened, and the telescopic truss structure is convenient to stretch.
Description
Technical field
The present invention relates to engineering machinery field, relate to specifically a kind of telescopic web member latch truss frame for connecting structure and the construction machinery and equipment that comprises this telescopic web member latch truss frame for connecting structure.
Background technology
Because truss structure is from heavy and light, the characteristics such as wind area is little, load-carrying capacity is large, so the jib of truss structure and body of the tower are widely used at construction machinery and equipment.For industries such as wind-powered electricity generation, metallurgy, chemical industry, buildings, because operation side is little, lift by crane the characteristics such as load is large, the construction machinery and equipment with Telescopic truss structure is rapidly developed.Such construction machinery and equipment can conveniently change the length of truss structure, greatly saves manpower and time.The connection of traditional Telescopic truss structure different structure internode is to realize by interspersed bearing pin between adjacent chord member, and structure joint cross-sectional plane is generally square or rectangle, in four corners four chord members is arranged, and needs the quadruplet pin inserting-drawing mechanism to realize the connection of internode.For truss structure heavy in section, because the restriction of welding deformation, processing technology, torsional deflection etc., be difficult for guaranteeing that the quadruplet pin inserting-drawing mechanism realizes action and the connecting pin plug is put in place, make the flexible of Telescopic truss structure become difficult.
Summary of the invention
Purpose of the present invention provides a kind of telescopic web member latch truss frame for connecting structure for existing weak point in the above-mentioned prior art just.
Purpose of the present invention can realize by following technique measures:
Telescopic web member latch truss frame for connecting structure of the present invention comprises the slip joint (also can be called structure joint) of at least two truss structures that nest together, and the per two adjacent expansion internodes that nest together are realized flexible location by the plug pin-and-hole that is separately positioned on hydraulic bolt mechanism between the web member of opposite flank and corresponding position and arranges.
In the present invention, hydraulic bolt mechanism is installed and adopts K shape, M shape or local box type construction with the web member structure that place, insert-pull pin hole site is set; And be provided with guide runner between adjacent two chord members of per two slip joints that nest together.
The present invention is provided with the telescoping mechanism of making fore and aft motion for the driving slip joint between described slip joint; Described telescoping mechanism is to be made of the haulage cable and the assembly pulley that are driven by hoisting mechanism that are arranged between the slip joint; Described telescoping mechanism also can be to be made of the hydraulic actuating cylinder that is arranged between the slip joint.
The present invention also can not be provided for driving the telescoping mechanism that slip joint is made fore and aft motion between described slip joint, but realizes flexible by deadweight or other external force.
More specifically, slip joint of the present invention includes a plurality of chord members and a plurality of web members that are connected a plurality of chord members, chord member and web member can adopt shaped steel or form with Plate Welding, the cross-sectional plane of described chord member is dihedral, square, rectangle, annular arrangement or part annular arrangement, and the web member cross-sectional plane is dihedral, flute profile, square, rectangle or annular arrangement; Preferred structure joint cross-sectional plane is square or rectangle, and four chord members are positioned at four corners of structure joint, are connected with web member between two adjacent chord members.
Telescopic web member latch truss frame for connecting structure of the present invention stretch out under telescoping mechanism or the Gravitative Loads put in place after, by two hydraulic bolt mechanisms between the web member of opposite flank bearing pin being released realization between two adjacent arm joints connects, when truss structure stretches, between two adjacent chord members of two adjacent structure joints guide runner is set, this guide runner is captiveed joint with one of them chord member, one side of guide runner is spigot surface, the surface applying (certain gap is arranged) of this spigot surface and another chord member, the shape of spigot surface is relevant with the shape of applying chord member, and planar shaped or arc surfaced are arranged.Guide runner or directly captive joint with one of them chord member by screw, or be connected with the slide block bearing by screw is first, bearing welds with chord member again or bolt is connected.
Beneficial effect of the present invention is as follows:
Telescopic web member latch truss frame for connecting structure of the present invention is according to the loading characteristic of structure, between two opposite flank web members of different structure internode, realize the connection of internode by two cover hydraulic pressure pin inserting-drawing mechanisms, can greatly shorten the Telescopic truss structure insert-pull pin time, convenient the flexible of truss structure of realizing.
Description of drawings
Fig. 1 is cross-sectional structure schematic diagram of the present invention.
Fig. 2 is K shape structure web member schematic diagram.
Fig. 3 is a kind of M shape structure web member schematic diagram.
Fig. 4 is another kind of M shape structure web member schematic diagram.
Fig. 5 is local box structure web member schematic diagram.
Fig. 6 is slide block arrangement form schematic diagram between a kind of adjacent chord member.
Fig. 7 is slide block arrangement form schematic diagram between another kind of adjacent chord member.
Fig. 8 is wire rope pulley group telescoping mechanism assembly pulley arrangement plan.
Description of reference numerals: 1 slip joint; 2 chord members; 3 web members; 4 hydraulic bolt mechanisms; 5 guide runners; 6 slide block bearings; 7 haulage cables; 8 first assembly pulleys; 8a the 1st pulley; 8b the 2nd pulley; 9 second assembly pulleys; 9a the 3rd pulley; 9b the 4th pulley; 10 the 3rd pulleys; 10a the 5th pulley; 10b the 6th pulley; 11 the 4th assembly pulleys; 11a the 7th pulley.
The specific embodiment
The present invention is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, telescopic web member latch truss frame for connecting structure of the present invention comprises that the slip joint 1(of at least two truss structures that nest together also can be called structure joint), the per two adjacent expansion internodes that nest together are realized flexible location by the plug pin-and-hole that is separately positioned on hydraulic bolt mechanism 4 between the web member of opposite flank and corresponding position and arranges.
Shown in Fig. 2,3,4,5, in the present invention, hydraulic bolt mechanism 4 is installed and web member 3 structures of locating the insert-pull pin hole site are set and adopt K shape, M shape or local box type construction; And be provided with guide runner 5 between adjacent two chord members of per two slip joints that nest together, this guide runner 5 is captiveed joint with one of them chord member, one side of guide runner 5 is spigot surface, the surface applying (certain gap is arranged) of this spigot surface and another chord member 2, the shape of spigot surface matches with the shape of applying chord member, and planar shaped or arc surfaced are arranged.Guide runner or directly captive joint with one of them chord member by screw, or be connected with slide block bearing 6 by screw is first, bearing welds with chord member again or bolt is connected (referring to Fig. 6,7).
Telescoping mechanism can be taked various suitable forms, and the present invention is provided with the telescoping mechanism of making fore and aft motion for the driving slip joint between described slip joint 1; Described telescoping mechanism is to be made of the haulage cable 7 and the assembly pulley that are driven by hoisting mechanism that are arranged between the slip joint.To the flexible truss structure of three joints, one of arrangement form of wire rope pulley group telescoping mechanism as shown in Figure 8, specifically, assembly pulley comprises the first assembly pulley 8, the second assembly pulley 9 that is positioned at intermediate structure joint bottom that are positioned at outermost structural joint top, is positioned at 10 groups on the 3rd pulley on intermediate structure joint top and is positioned at the 4th assembly pulley 11 of inner structure joint bottom.Walk around successively the 1st pulley 8a, the 3rd pulley 9a, the 2nd pulley 8b of the first assembly pulley 8 of the second assembly pulley 9, the 4th pulley 9b, the 5th pulley 10a of the 3rd assembly pulley 10 of the second assembly pulley 9, the 7th pulley 11a of the 4th assembly pulley 11, the 6th pulley 10b of the 3rd assembly pulley 10 of the first assembly pulley 8 from promoting steel rope that elevator lays out, be fixed at last inner structure joint bottom.
Expanding-contracting action between the slip joint of the present invention, its power resources can be the wire rope pulley groups, can be telescopic hydraulic cylinders, also can be to rely on the slip joint deadweight to glide or slip joint External Force Acting in addition.
More specifically, slip joint of the present invention includes a plurality of chord members and a plurality of web members that are connected a plurality of chord members, chord member 2 can adopt shaped steel with web member 3 or form with Plate Welding, the cross-sectional plane of described chord member is dihedral, square, rectangle, annular arrangement or part annular arrangement, and the web member cross-sectional plane is dihedral, flute profile, square, rectangle or annular arrangement; Preferred structure joint cross-sectional plane is square or rectangle, and four chord members are positioned at four corners of structure joint, are connected with web member between two adjacent chord members.
Claims (6)
1. telescopic web member latch truss frame for connecting structure, comprise the slip joint of at least two truss structures that nest together, it is characterized in that: the per two adjacent expansion internodes that nest together are realized flexible location by the plug pin-and-hole that is separately positioned on hydraulic bolt mechanism between the web member of opposite flank and corresponding position and arranges.
2. want 1 described telescopic web member latch truss frame for connecting structure according to right, it is characterized in that: hydraulic bolt mechanism is installed and the web member structure of locating the insert-pull pin hole site is set and adopt K shape, M shape or local box type construction.
3. want 1 described telescopic web member latch truss frame for connecting structure according to right, it is characterized in that: be provided with guide runner between adjacent two chord members of per two slip joints that nest together.
4. want 1 described telescopic web member latch truss frame for connecting structure according to right, it is characterized in that: between described slip joint, be provided with the telescoping mechanism of making fore and aft motion for the driving slip joint.
5. want 4 described telescopic web member latch truss frame for connecting structures according to right, it is characterized in that: described telescoping mechanism is to be made of the haulage cable and the assembly pulley that are driven by hoisting mechanism that are arranged between the slip joint.
6. want 4 described telescopic web member latch truss frame for connecting structures according to right, it is characterized in that: described telescoping mechanism is to be made of the hydraulic actuating cylinder that is arranged between the slip joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104526290A CN102923586A (en) | 2012-11-13 | 2012-11-13 | Telescopic truss structure connected by web members and plug pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104526290A CN102923586A (en) | 2012-11-13 | 2012-11-13 | Telescopic truss structure connected by web members and plug pins |
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| Publication Number | Publication Date |
|---|---|
| CN102923586A true CN102923586A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012104526290A Pending CN102923586A (en) | 2012-11-13 | 2012-11-13 | Telescopic truss structure connected by web members and plug pins |
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| CN (1) | CN102923586A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181257A (en) * | 2013-03-20 | 2013-07-03 | 华南农业大学 | Telescopic truss structure for field operation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216895B1 (en) * | 1998-03-18 | 2001-04-17 | Grove U.S. L.L.C. | Lateral jib locking device |
| CN201071851Y (en) * | 2006-12-28 | 2008-06-11 | 长沙中联重工科技发展股份有限公司 | Multi-channel hydraulic oil cylinder |
| CN102072221A (en) * | 2010-12-29 | 2011-05-25 | 三一汽车起重机械有限公司 | Multi-stage oil cylinder with pin and crane with same |
| CN201882818U (en) * | 2010-12-11 | 2011-06-29 | 郑州新大方重工科技有限公司 | Crane with telescopic tower body |
| CN102502429A (en) * | 2011-12-13 | 2012-06-20 | 中联重科股份有限公司 | Telescopic truss arm and engineering machinery |
| CN202897873U (en) * | 2012-11-13 | 2013-04-24 | 郑州新大方重工科技有限公司 | Retractable type web member plug connecting truss structure |
-
2012
- 2012-11-13 CN CN2012104526290A patent/CN102923586A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216895B1 (en) * | 1998-03-18 | 2001-04-17 | Grove U.S. L.L.C. | Lateral jib locking device |
| CN201071851Y (en) * | 2006-12-28 | 2008-06-11 | 长沙中联重工科技发展股份有限公司 | Multi-channel hydraulic oil cylinder |
| CN201882818U (en) * | 2010-12-11 | 2011-06-29 | 郑州新大方重工科技有限公司 | Crane with telescopic tower body |
| CN102072221A (en) * | 2010-12-29 | 2011-05-25 | 三一汽车起重机械有限公司 | Multi-stage oil cylinder with pin and crane with same |
| CN102502429A (en) * | 2011-12-13 | 2012-06-20 | 中联重科股份有限公司 | Telescopic truss arm and engineering machinery |
| CN202897873U (en) * | 2012-11-13 | 2013-04-24 | 郑州新大方重工科技有限公司 | Retractable type web member plug connecting truss structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181257A (en) * | 2013-03-20 | 2013-07-03 | 华南农业大学 | Telescopic truss structure for field operation |
| CN103181257B (en) * | 2013-03-20 | 2015-11-04 | 华南农业大学 | A kind of Telescopic truss mechanism for farmland operation |
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Application publication date: 20130213 |