CN206606925U - A kind of bank bridge of three open type truss structure crossbeams and the application crossbeam - Google Patents

Abstract

The utility model discloses the bank bridge of a kind of three open type truss structure crossbeams and the application crossbeam, crossbeam includes a piece of upper truss of two panels side truss and connection two panels side truss, two panels side truss is each set and opposing parallel along perpendicular, upper truss is set along horizontal plane, the upper end close proximity of the both sides of upper truss respectively with two panels side truss, so that the longitudinal section of crossbeam is square-section that is downwardly open, not closing, fixation is attached by support frame between two panels side truss and a piece of upper truss.The bank bridge of three open type truss structure crossbeams of the present utility model and the application crossbeam, due to the truss structure that its crossbeam is three open types, weight is lighter for traditional four-piece type crossbeam, and stabilized structure, anti-fatigue performance is good, lateral rigidity more preferably, can be applied to lifting capacity and the higher large-scale bank bridge of working level.

Description

A kind of bank bridge of three open type truss structure crossbeams and the application crossbeam

Technical field

The utility model is related to goliath transport field, especially a kind of crossbeam of three open type truss structures and Using the bank bridge of the crossbeam.

Background technology

With the development of Modern World shipping market, container freighter is just towards maximization and efficient trend hair Exhibition.With the appearance of 3E levels " giant " container ship of 18000 standard packing boxes, matched 3E grades of Quayside container bridges of ultra-large type Formula crane (hereinafter referred to as bank bridge) is also corresponding to come out.Hereafter, it is the efficiency of loading and unloading of 3E grades of bank bridges of raising, bigger pair of lifting capacity 3E grades of bank bridges of raising are also pushed to the market.

It is big facing to parameter, the ultra-large type bank bridge of lifting capacity weight, the bank bridge of conventional steel flanged beam design is due to weight weight, windward Area is big, and the bearing capacity of segment terminal and the requirement of energy saving can not be met, bank can be preferably mitigated according to truss structure Bridge weight and front face area, reduction wheel load and energy consumption, but traditional truss girder design lateral rigidity is poor, and it is many using pipe knot Structure, energy-conservation bearing capacity is poor, and manufacture difficulty is big, it is difficult to apply to the high large-scale bank bridge of big parameter, lifting capacity weight, working level.

Such as Application No. CN200710051552.5 Chinese patent literature discloses a kind of three or multi-disc truss knot Structure formula girder, it is related to the truss structure formula girder in a kind of bridge.Connected between side main truss and the middle main truss of centre with horizontal-associate, Have upper deck of bridge or lateral, Xia You lower floors bridge floor or lateral on side main truss and middle main truss, side main truss and middle main truss by top boom, under Chord member and middle web member are constituted, and middle main truss is one or more pieces.The invention is made up of the middle main truss of side main truss and centre, middle master Purlin is one or more pieces.Contacted between adjacent two main truss with horizontal-associate so that stress can be transmitted mutually between main truss.The invention uses two panels The common stress of truss above, effectively reduces each rod member stress of truss, reduces bar cross section, and reduction is wanted to main truss slab Ask, be easy to design, transport, install, reduce construction costs；The counter-force of bearing is reduced, is easy to the design and buying of bearing.The hair It is bright to can be used for the bridges such as continuous beam, arch bridge, cable-stayed bridge, suspension bridge.However, the truss structure formula girder of the invention includes upper layer bridge Face, lower floor's bridge floor and multi-disc main truss, the horizontal-associate for contacting adjacent two panels main truss is additionally provided between multi-disc main truss, is special Door is the structure of Bridge Design, is not particularly suited for bank bridge structure.

Application No. CN201410048037.1 Chinese patent literature also discloses a kind of with lift truss crossbeam With the bank bridge of three dollies, it can realize the function of bank bridge grider lifting, reduce bank bridge system and play rise to lifting trolley The requirement of degree, reduces the complexity of quayside container crane system, and can improve the handling effect of quayside container crane system Rate.The technical scheme of the invention is：A kind of bank bridge with lift truss crossbeam and three dollies, including bank portal frame and An Qiao Crossbeam, upper end of the bank bridge grider on the inside of bank portal frame, bank portal frame includes passing through below four door frame columns, door frame column Connecting cross beam is connected, and bank bridge grider is connected with the top of bank portal frame, and the upper strata of bank bridge grider is provided with two bank bridge raisings Dolly, the lower floor of bank bridge grider is provided with suspension type transport carriage.The foregoing bank bridge with lift truss crossbeam and three dollies In, bank bridge grider is connected located at the inner side of bank portal frame and by crossbeam locking device, and the inner side on bank bridge grider top is with It is small that the two ends being equipped with the outside of portion in trolley track, the inner track on bank bridge grider top are respectively equipped with a bank bridge raising Car, the track in the outside of bank bridge grider bottom is provided with suspension type transport carriage；The top of four door frame columns is parallel to be provided with two Individual connecting cross beam, the lower section of connecting cross beam is provided with assembly pulley, and connecting cross beam is provided with above crossbeam lifting mechanism, bank bridge grider and set There is the steel wire rope on assembly pulley, crossbeam lifting mechanism to be connected by assembly pulley with bank bridge grider.Carrying out the handling of container During ship, the container transshipment pattern of two bank bridge lifting trolleys and a suspension type transport carriage coordinative operation instead of biography The quayside container crane of system, to the raising of container and the pattern of transhipment, solves traditional single raising using single lifting trolley Dolly hangs the slow-footed persistent ailment of handling, dramatically improves the transport speed of container.However, in the patent document Bank bridge uses lift truss crossbeam, and crossbeam is integral, point without front and rear crossbeam, bank bridge viability crossbeam without Method pitching is passed through with avoiding ship, different from the use requirement of current most of bank bridges, limits application, and the girder Construction weight is overweight.

Such as Application No. CN201320382813.2 Chinese patent literature provides a kind of English truss formula double-deck bank again Bridge girder, it can effectively improve the rigidity of hoisting machine walking girder and transfer car(buggy) walking girder, and can effectively prevent from becoming Shape, it is ensured that equipment operation safety.The technical scheme of the utility model：A kind of double-deck bank bridge girder of English truss formula, including it is arranged side by side The hoisting machine walking girder A and hoisting machine walking girder B of setting, hoisting machine walking girder A's is arranged right below transfer car(buggy) walking Girder A's, hoisting machine walking girder B is arranged right below transfer car(buggy) walking girder B, hoisting machine walking girder A and hoisting machine walking Girder B both sides are respectively equipped with floor stringer A and floor stringer B, hoisting machine walking girder A and floor stringer A, hoisting machine walking girder B It is connected between floor stringer B by horizontal gusseted beam, hoisting machine walking girder A and transfer car(buggy) walking girder A, hoisting machine Walk and connected between girder B and transfer car(buggy) walking girder B by vertical gusseted beam, transfer car(buggy) walking girder A and auxiliary Connected between beam A, transfer car(buggy) walking girder B and floor stringer B by oblique gusseted beam.The double-deck bank of foregoing English truss formula In bridge girder, connected between hoisting machine walking girder by horizontal gusseted beam, while hoisting machine walking girder, transhipment garage It is inverted trapezoidal to walk the cross sectional shape that girder and floor stringer link together.

Compared with prior art, the lower section setting transfer car(buggy) walking master that the utility model passes through girder of being walked in hoisting machine Beam, makes traditional hoisting machine only be responsible for lifting, and transports work and be then responsible for by transfer car(buggy), using the bank bridge of this structure than passing The container handling efficiency of system bank bridge can lift 50%.Because the utility model is set respectively in the both sides of hoisting machine walking girder Floor stringer has been put, and has been connected the Liang Tiaoliang of arbitrary neighborhood by gusseted beam, double-deck bank bridge has been efficiently solved in water Square upward rigidity inadequate shortcoming, but also can effectively prevent walk girder, transfer car(buggy) walking girder of hoisting machine from occurring shape Become, it is ensured that the safe operation of equipment.However, the main beam structure of the patented technology is exclusively for provided with raising and operating double trolley The double-deck crossbeam of bank bridge design, for single crab (raising and operating one) bank bridge of current main flow, the main beam structure weight Amount is overweight.

From this, traditional truss girder design lateral rigidity is poor, preponderance, and use tubular construction, energy-conservation is held more Loading capability is poor, and manufacture difficulty is big, it is difficult to apply to the high large-scale bank bridge of big parameter, lifting capacity weight, working level.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a kind of three open type truss structure crossbeams, A piece of upper truss including two panels side truss and connection two panels side truss, two panels side truss is each set and relative along perpendicular Parallel, upper truss is set along horizontal plane, the upper end close proximity of the both sides of upper truss respectively with two panels side truss so that crossbeam Longitudinal section be the downwardly open, square-section do not closed, entered between two panels side truss and a piece of upper truss by support frame Row is connected.

Further, two panels side truss each includes parallel top boom and lower boom up and down, top boom and lower boom it Between be vertically provided with many flank bars, flank bar is coupled top boom and lower boom.

Preferably, upper truss is included between two side rods being made up of two top booms of two panels side truss, two side rods Horizontally disposed to have many top struts, top strut is coupled two side rods.

Further, many flank bars and/or many top struts are triangle, " N " type, " K " type or rice font knot Structure.

Preferably, support frame is the tripod structure that three support bars are constituted, and its three angles are individually fixed in two flanks On bar and a top strut, two flank bars are located in the truss of two panels side respectively, and a top strut is in two flank bars Upper end is connected with top boom, and the plane where support frame is perpendicular to the plane where the truss of side.

Further, support frame is the triangular structure that two support bars and a flank bar are constituted, a flank bar position In wherein a piece of side truss, the top that its top passes through a top strut and another flank bar in another side truss It is connected, position of another flank bar with a flank bar on crossbeam length direction is identical and is parallel to each other, triangle knot The drift angle of structure is located at the top of a flank bar and the junction of top strut, and two base angle is individually fixed in a flank bar The upper plane with another flank bar, and where support frame is perpendicular to the plane where any side truss.

Preferably, two base angle in the vertical directions of support frame are above the plane that two lower booms are constituted.

Further, the inner side of lower boom is provided with the track slided for load carrying device.

Preferably, top boom and/or flank bar use I-steel or H profile steel.

The invention also discloses a kind of bank bridge, including door frame, the crossbeam that is fixed on door frame and ladder frame, traction are big Many pull bars of beam, door frame includes the entablature for the door frame column and level connection joint door frame column upper end being vertically arranged, and crossbeam is solid Due to the bottom of entablature, ladder frame is fixed on the top of door frame, and the upper end of pull bar is connected on ladder frame, and lower end is connected to greatly Liang Shang, crossbeam uses three open types truss structure crossbeam as described above.

Further, crossbeam includes the extra large side crossbeam and land side crossbeam for mutually rotating connection, and extra large side crossbeam passes through double hinges System is connected with land side crossbeam.

Preferably, land side crossbeam is fixed on the bottom of entablature by jointing and auxiliary support bar.

Further, jointing includes an enclosed housing, and the front and rear two panels panel of enclosed housing is respectively along vertical Plane extends upward the first convex portion, and top panel extends the second convex portion along horizontal plane.

Preferably, the width phase of the section of the width of enclosed housing in the lateral direction and entablature in the lateral direction Together, the width of the section of the thickness of enclosed housing in the longitudinal direction and top boom in the longitudinal direction is identical.

Further, attaching plate elements is provided with the position that the bottom of entablature is connected with jointing, when land side crossbeam When being fixed with entablature, attaching plate elements is connected and integral with edge, the top panel of the first convex portion.

Preferably, horizontal plane of second convex portion along top panel is each extended over both sides to the left and right, with the left and right sides of top panel Top boom is fixedly connected on, the basal edge of left and right two of enclosed housing bottom surface is solid by auxiliary support bar and top boom and lower boom Fixed connection.

Further, gusset plate is provided with jointing, gusset plate is fixedly connected by stay tube with ladder frame.

Preferably, horizontal plane of second convex portion along top panel extends to the left or to the right, with the left side of top panel Or right side is fixedly connected on top boom；When the second convex portion extends to the left, the left side basal edge of enclosed housing bottom surface passes through Auxiliary support bar is fixedly connected with top boom and lower boom, and the right side basal edge of enclosed housing bottom surface is by auxiliary support bar with It is fixedly connected at chord member and upper hinge；When the second convex portion extends to the right, the right side basal edge of enclosed housing bottom surface passes through auxiliary Support bar is helped to be fixedly connected with top boom and lower boom, the left side basal edge of enclosed housing bottom surface passes through auxiliary support bar and lower edge It is fixedly connected at bar and upper hinge.

As above, the bank bridge of three open type truss structure crossbeams of the present utility model and the application crossbeam, due to its crossbeam For the truss structure of three open types, weight is lighter for traditional four-piece type crossbeam, and stabilized structure, antifatigue Excellent performance, lateral rigidity more preferably, can be applied to lifting capacity and the higher large-scale bank bridge of working level.

For the above of the present utility model can be become apparent, preferred embodiment cited below particularly, and with reference to accompanying drawing, make Describe in detail as follows.

Brief description of the drawings

Fig. 1 is the overall structure diagram of three open type truss structure crossbeams of the utility model first embodiment；

Fig. 2-1 be Fig. 1 in land side crossbeam overall structure diagram；

Fig. 2-2 is Fig. 2-1 A direction views；

Fig. 2-3 is Fig. 2-1 B direction views；

Fig. 3-1 be Fig. 1 in extra large side crossbeam overall structure diagram；

Fig. 3-2 is Fig. 3-1 A direction views；

Fig. 3-3 is Fig. 3-1 B direction views；

Fig. 4-1 is a kind of C-C of the crossbeam in Fig. 1 to sectional view；

Fig. 4-2 is another C-C of the crossbeam in Fig. 1 to sectional view；

Fig. 5 is the overall structure of the bank bridge of three open type truss structure crossbeams of application of the utility model second embodiment Schematic diagram；

Fig. 6 is the bank bridge and its double hinges of three open type truss structure crossbeams of application of the utility model second embodiment The close-up schematic view of junction；

Fig. 7 is the close-up schematic view at the jointing of the crossbeam in Fig. 5；

Fig. 8-1 is Fig. 7 front view；

Fig. 8-2 is Fig. 7 rearview；

Fig. 8-3 for Fig. 7 D-D to sectional view；

Fig. 9 is another close-up schematic view at the jointing of the crossbeam in Fig. 5.

Component label instructions：

Two panels side truss 1a, 1b

Upper truss 2

Two side rods 2a, 2b

Support frame 3

Top boom 4

Lower boom 5

Flank bar 6

Top strut 7

Track 8

Support bar 3a 3b 3c 3d 3e

The door frame column 101a entablatures 101b of door frame 101

The sea of crossbeam 102 side crossbeam 102a lands side crossbeam 102b

Ladder frame 103

Pull bar 104

Double hinge systems 105

The second convex portions of the convex portion 106a 106b of jointing 106 first

Auxiliary support bar 107

Attaching plate elements 108

Gusset plate 109

Stay tube 110

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this theory Content disclosed in bright book understands other advantages of the present utility model and effect easily.Although description of the present utility model will be tied Preferred embodiment is closed to introduce together, but this feature for not representing this utility model is only limitted to the embodiment.On the contrary, knot The purpose that conjunction embodiment makees utility model introduction is that extension is possible to based on claim of the present utility model in order to cover The other selections or transformation gone out.Depth of the present utility model is understood in order to provide, will be comprising many specific in describing below Details.The utility model can also be implemented without using these details.In addition, in order to avoid chaotic or fuzzy of the present utility model heavy Point, some details will be omitted in the de-scription.

" on ", " under ", "left", "right", " top ", " bottom " in addition, used in the following description, should not be construed as pair Limitation of the present utility model.

【First embodiment】

As shown in fig. 1, the utility model first embodiment provides a kind of three open type truss structure crossbeams, including two Piece side truss 1a and 1b, connection two panels side truss 1a and 1b a piece of upper truss 2, two panels side truss 1a and 1b are each along vertical flat Face is set and opposing parallel, and upper truss 2 is set along horizontal plane, the both sides of upper truss 2 respectively with two panels side truss 1a and 1b Upper end close proximity so that the longitudinal section of crossbeam is the downwardly open, square-section do not closed, two panels side truss 1a and 1b with Fixation is attached by support frame 3 between a piece of upper truss 2.

Specifically, three open type truss structure crossbeams of the utility model embodiment can be applied on bank bridge, generally and Speech, bank bridge includes the extra large side crossbeam and the land side crossbeam close to land side close to extra large side.Fig. 2-1 is three of the present utility model and opened Mouth formula truss structure crossbeam is as the structural representation of land side crossbeam, and Fig. 2-2 is Fig. 2-1 A direction views, and Fig. 2-3 is Fig. 2's-1 B direction views；Fig. 3-1 is structural representation of the three open type truss structure crossbeams of the present utility model as extra large side crossbeam, figure 3-2 is Fig. 3-1 A direction views, and Fig. 3-3 is Fig. 3-1 B direction views；Fig. 4-1 and Fig. 4-2 is three of the present utility model openings The C-C of formula truss structure crossbeam is to sectional view.As shown in the above figures, three open type truss structures of the present utility model are big The longitudinal section of beam is square-section that is downwardly open, not closing.It is usually at present four-piece type knot applied to the crossbeam on bank bridge The crossbeam of structure, i.e. its section for closing square-section, or triangular structure truss crossbeam, i.e., its section for close three Angle section.Above-mentioned three open type truss structure crossbeams that the utility model first embodiment is provided are relative to four-piece type structure Or for the crossbeam of triangular structure, weight is lighter, steadiness more preferably and lateral rigidity more preferably so that its application is more Extensively, it is below 75m that can be applied to outreach, and lifting capacity is below 80t bank bridge, it is preferred that being applicable to outreach and being 60m-75m, lifting capacity is 65t-80t large-scale and super-huge bank bridge.

Further, as shown in Fig. 2-1 and Fig. 3-1, two panels side truss 1a each includes parallel up and down wind up with 1b Bar 4 and lower boom 5, are vertically provided with many flank bars 6 between top boom 4 and lower boom 5, flank bar 6, which is coupled, to wind up Bar 4 and lower boom 5.Specifically, the two ends of every flank bar 6 are individually fixed on top boom 4 and lower boom 5, many flank bars 6 It is end to end two-by-two and multiple triangular structures are formed between top boom 4 and lower boom 5, or form multiple " N " font knots Structure；Can also by many flank bars 6 between top boom 4 and lower boom 5 with three for one group of formation " K " character form structure, it is multigroup The flank bar 6 of " K " character form structure is used for being coupled top boom 4 and lower boom 5；Or by many flank bars 6 in top boom 4 and lower edge M shape structure is constituted between bar 5.The side truss of the truss structure of the utility model first embodiment is not limited to above-mentioned enumerate Shape, the construction of same connection effect can also can be played for other.

Further, as shown in Fig. 2-2 and Fig. 3-2 three open types truss structure crossbeam of the present utility model it is upper Truss 2, including the two side rod 2a and 2b, two side rods 2a and 2b being made up of two panels side truss 1a and 1b two top booms 4 Between it is horizontally disposed have a many top struts 7, top strut 7 is coupled two side rods 2a and 2b.More specifically, every The two ends of top strut 7 are individually fixed on two side rods 2a and 2b, and many top struts 7 are end to end two-by-two and on two sides Multiple triangular structures are formed between bar 2a and 2b, or form multiple " N " character form structures；Can also be by many top struts 7 With three for one group of formation " K " character form structure between two side rods 2a and 2b, the top strut 7 of multigroup " K " character form structure is used To be coupled two side rods 2a and 2b；Or constitute M shape structure between two side rods 2a and 2b by many top struts 7.This The upper truss of the truss structure of utility model first embodiment is not limited to the above-mentioned shape enumerated, and can also can be risen for other The construction acted on to same connection.

Preferably, as shown in Fig. 4-1, the tripod knot that support frame 3 can be constituted for three support bars 3a, 3b and 3c Structure, its three angles are individually fixed on two flank bars and a top strut, and two flank bars are located at two panels side purlin respectively In frame 1a and 1b, the two ends of a top strut are respectively in the upper end of two flank bars and top boom 2a (4) and 2b (4) phase Even, the plane where support frame 3 is perpendicular to the plane where side truss 1a or 1b.Many flank bars point of such as two panels side truss Not triangle structure when, position on crossbeam length direction can be chosen in the truss of two panels side identical and be parallel to each other Two flank bars, and a top strut of the flank bar upper end that connection this two is parallel to each other is chosen, by tripod structure Three angles are individually fixed on the flank bar and top strut of selection, constitute stable structure, so as to strengthen the lateral firm of crossbeam Degree.Wherein, the drift angle of tripod structure can be located at any position for the top strut chosen, it is preferred that tripod structure Drift angle be located at choose top strut midpoint.

As shown in the Fig. 4-2, support frame 3 is the triangular structure that two support bar 3d and 3e and flank bar are constituted, one Root flank bar is located therein in a piece of side truss 1b, its top by a top strut with it is another in another side truss 1a The top of root flank bar is connected, and position of flank bar of another flank bar and this on crossbeam length direction be identical and phase Mutually parallel, the drift angle of triangular structure is located at the top of a flank bar and the junction of top strut, two base angle point Another not be fixed at the same position on a flank bar and in another side truss 1a on crossbeam length direction On flank bar, the plane where support frame 3 is perpendicular to the plane where side truss 1a or 1b.Many sides of such as two panels side truss When web member respectively constitutes triangular structure, left and right sides same position on crossbeam length direction can be chosen in the truss of two panels side Place and two flank bars being parallel to each other, and choose the top strut of flank bar upper ends that connection this two is parallel to each other, The drift angle of triangular structure is located therein the top of a flank bar and the junction of top strut, and one of base angle is located at should The middle part of flank bar, another base angle is located at the centre of flank bar of the opposite side on crossbeam length direction at same position Position, constitutes stable structure, so as to strengthen the lateral rigidity of crossbeam.It is preferred that two base angles should low land as far as possible under Chord member, to provide support strength as big as possible.

In embodiment of the present utility model, as shown in Fig. 4-1 and Fig. 4-2, two base angle in the vertical directions of support frame 3 It is above the plane that two lower booms 5 are constituted.Such construction is conducive in lower edge while the lateral rigidity of crossbeam is ensured The track slided for load carrying devices such as dollies is set on bar 5.Further, the inner side of lower boom 5 is provided with slides for load carrying device Track 8, track 8 is arranged at the inner side of lower boom 5, it is necessary between two panels side truss 1a and 1b have broader spacing, from And the lateral rigidity of three open type truss structure girders of the utility model first embodiment can be further enhanced.

Preferably, in the utility model first embodiment, top boom 4 and/or flank bar 6 use I-steel or H types Steel.The cross-sectional internal clear height of I-steel or H profile steel used in top boom 4 and/or flank bar 6 is identical, utilizes contour I-shaped Steel or H profile steel, it is possible to increase the bearing capacity or anti-fatigue performance of crossbeam, with more preferable practical value.

【Second embodiment】

As shown in Figure 5, the utility model second embodiment discloses a kind of bank bridge, including door frame 101, is fixed on door frame On crossbeam 102 and ladder frame 103, many pull bars 104 for drawing crossbeam 102, door frame 101 includes the door frame column that is vertically arranged The 101a and entablature 101b of level connection joint door frame column upper end, crossbeam 102 is fixed on entablature 101b bottom, ladder frame 103 are fixed on the top of door frame 101, and the upper end of pull bar 104 is connected on ladder frame 103, and lower end is connected on crossbeam 102, greatly Beam 102 is using three open type truss structure crossbeams as shown in Fig. 1 or Fig. 2-1.

Specifically, three open type truss structure crossbeams include two panels side truss 1a and 1b, connection two panels side truss 1a With 1b a piece of upper truss 2, two panels side truss 1a and 1b are each set and opposing parallel along perpendicular, and upper truss 2 is along level Plane is set, the upper end close proximity of the both sides of upper truss 2 respectively with two panels side truss 1a and 1b so that the longitudinal section of crossbeam is Square-section that is downwardly open, not closing, is carried out between two panels side truss 1a and 1b and a piece of upper truss 2 by support frame 3 It is connected.

Three open type truss girder structures of the utility model second embodiment are applicable to outreach for below 75m, Lifting capacity is below 80t bank bridge, it is preferred that be applicable to outreach for 60m-75m, lifting capacity for the large-scale of 65t-80t and Super-huge bank bridge.

Further, the bank bridge grider of the utility model second embodiment includes the extra large side crossbeam 102a for mutually rotating connection With land side crossbeam 102b, extra large side crossbeam 102a and land side crossbeam 102b can one of them or both use the utility model Three open type truss structure crossbeams.When extra large side crossbeam 102a and land side crossbeam 102b are opened using three of the present utility model During mouth formula truss structure crossbeam, as shwon in Figures 5 and 6, extra large side crossbeam 102a passes through double hinge systems 105 and land side crossbeam 102b is connected.Because the position of the lower openings of three open type truss structures, i.e. lower boom is not closed, if only in lower boom Position sets single hinge, then can not then bear lateral load in hinge position, it is impossible to ensure crossbeam lateral stability；If only upper Single hinge is set near chord member, due to the vertical downwarp flexural deformation of crossbeam, it will foreland side crossbeam is partly sent out below hinge Raw interference；Therefore the bank bridge of three open type truss structure crossbeams of application of the present utility model must make double hinges, by down hinge At lower boom, not interfered after ensureing the vertical downwarp of crossbeam；Help to undertake direction finding load using upper hinge, to enter one The lateral rigidity of step enhancing crossbeam.

Further, crossbeam 102b in land side is fixed on entablature 101b's by jointing 106 and auxiliary support bar 107 Bottom.As shown in Fig. 7, Fig. 8-1 to Fig. 8-3, jointing 106 includes an enclosed housing, front and rear the two of enclosed housing Piece panel extends upward plate above the first convex portion 106a, enclosed housing along perpendicular respectively and extended along horizontal plane Second convex portion 106b.Attaching plate elements 108 is additionally provided with the position that entablature 101b bottom is connected with jointing 106, when When land side crossbeam 102b and entablature 101b is fixed, the convex portion 106a of attaching plate elements 108 and first edge and enclosed housing Above plate be connected and integral.

More specifically, as shown in Figure 7, the width of enclosed housing (the L-L directions in Fig. 7) in the lateral direction It is identical with the width of entablature 101b section in the lateral direction, enclosed housing (the A-B side in Fig. 7 in the longitudinal direction To) thickness and top boom 4 section width in the longitudinal direction it is identical.

Preferably, both sides are each extended over horizontal planes of the second convex portion 106b along top panel to the left and right, with a left side for top panel Right both sides are fixedly connected on top boom, the basal edge of left and right two of enclosed housing bottom surface by auxiliary support bar 107 respectively with it is upper Chord member is fixedly connected with lower boom, and auxiliary support bar 107 can be the structure shown in Fig. 8-1 to Fig. 8-3, or other Play the structure of same connection effect.Further, gusset plate 109 is additionally provided with jointing 106, gusset plate 109 leads to Stay tube 110 is crossed to be fixedly connected with ladder frame 103.

The present embodiment provide bank bridge in, the second convex portion 106b can also be along top panel horizontal plane to the left or to Right side extends, and top boom is fixedly connected on the left side or right side in top panel.When the second convex portion 106b extends to the left, As shown in Figure 9, the left side basal edge of enclosed housing bottom surface, the i.e. basal edge with the second convex portion 106b homonymies pass through auxiliary support bar 107 are fixedly connected with top boom and lower boom, and the right side basal edge of enclosed housing bottom surface, i.e., with the second convex portion 106b not homonymies Basal edge then by auxiliary support bar 107 with being fixedly connected at lower boom and upper hinge.Similarly, when the second convex portion 106b to the right When side extends, the right side basal edge of enclosed housing bottom surface, the i.e. basal edge with the second convex portion 106b homonymies pass through auxiliary support bar 107 It is fixedly connected with top boom and lower boom, and the left side basal edge of enclosed housing bottom surface, i.e., with the second convex portion 106b not homonymies Basal edge is by auxiliary support bar 107 with being fixedly connected at lower boom and upper hinge.Herein preferably, it is different from the second convex portion 106b The basal edge of side is fixedly connected with lower boom and upper hinge respectively by two auxiliary support bars 107, and closed enclosure is improved with this The ability to bear of body.

Further, as shown in Fig. 2-1 and Fig. 3-1, two panels side truss 1a each includes parallel up and down wind up with 1b Bar 4 and lower boom 5, are vertically provided with many flank bars 6 between top boom 4 and lower boom 5, the connection of flank bar 6 is winded up Bar 4 and lower boom 5.Specifically, the two ends of every flank bar 6 are individually fixed on top boom 4 and lower boom 5, many flank bars 6 It is end to end two-by-two and multiple triangular structures are formed between top boom 4 and lower boom 5, or form multiple " N " font knots Structure；Can also by many flank bars 6 between top boom 4 and lower boom 5 with three for one group of formation " K " character form structure, it is multigroup The flank bar 6 of " K " character form structure is used for being coupled top boom 4 and lower boom 5；Or by many flank bars 6 in top boom 4 and lower edge M shape structure is constituted between bar 5.The side truss of the truss structure of the utility model second embodiment is not limited to above-mentioned enumerate Shape, the construction of same connection effect can also can be played for other.

Further, as shown in Fig. 2-2 and Fig. 3-2, three open types truss structure crossbeam of the present utility model Two side rod 2a and 2b, two side rods 2a and 2b that upper truss 2 includes being made up of two panels side truss 1a and 1b two top booms 4 Between it is horizontally disposed have a many top struts 7, top strut 7 is coupled two side rods 2a and 2b.More specifically, every The two ends of top strut 7 are individually fixed on two side rods 2a and 2b, and many top struts 7 are end to end two-by-two and on two sides Multiple triangular structures are formed between bar 2a and 2b, or form multiple " N " character form structures；Can also be by many top struts 7 With three for one group of formation " K " character form structure between two side rods 2a and 2b, the top strut 7 of multigroup " K " character form structure is used To be coupled two side rods 2a and 2b；Or constitute M shape structure between two side rods 2a and 2b by many top struts 7.This The upper truss of the truss structure of utility model second embodiment is not limited to the above-mentioned shape enumerated, and can also can be risen for other The construction acted on to same connection.

Preferably, as shown in Fig. 4-1, the tripod knot that support frame 3 can be constituted for three support bars 3a, 3b and 3c Structure, its three angles are individually fixed on two flank bars and a top strut, and two flank bars are located at two panels side purlin respectively In frame 1a and 1b, the two ends of a top strut are connected to the upper end of two flank bars, the plane where support frame 3 Plane where side truss 1a or 1b.For example when many flank bars of two panels side truss respectively constitute triangular structure, Same position and two flank bars being parallel to each other on crossbeam length direction, and the company of selection can be chosen in the truss of two panels side A top strut of this two flank bar being parallel to each other upper ends is connect, three angles of tripod structure are individually fixed in selection Flank bar and top strut on, stable structure is constituted, so as to strengthen the lateral rigidity of crossbeam.Wherein, tripod structure Drift angle can be located at any position for the top strut chosen, it is preferred that the drift angle of tripod structure is located at the top chosen The midpoint of strut.

As shown in the Fig. 4-2, support frame 3 is the triangular structure that two support bar 3d and 3e and flank bar are constituted, should A piece flank bar is located therein in a piece of side truss 1b, its top by a top strut with it is another in another side truss 1a The top of a piece flank bar is connected, position of flank bar of another flank bar and this on crossbeam length direction it is identical and It is parallel to each other, the drift angle of triangular structure is located at the top of a flank bar and the junction of top strut, two base angle Be individually fixed on the flank bar and another side truss 1a on crossbeam length direction another flank bar of position identical On, the plane where support frame 3 is perpendicular to the plane where side truss 1a or 1b.Many flank bars point of such as two panels side truss Not triangle structure when, position on crossbeam length direction can be chosen in the truss of two panels side identical and be parallel to each other Two flank bars, the drift angle of triangular structure is located at the flank bar top and the junction of top strut, one of base angle position In the middle part of the flank bar, another base angle is located at opposite side flank bar at the identical place in position on crossbeam length direction Middle part, constitutes stable structure, so that the lateral rigidity of powerful beam, it is preferred that two base angles can should low land as far as possible Close to lower boom, to provide support strength as big as possible.

In embodiment of the present utility model, as shown in Fig. 4-1 and Fig. 4-2, the plane where two base angles of support frame 3 is high The plane constituted in two lower booms 5.Such construction is conducive in lower boom 5 while the lateral rigidity of crossbeam is ensured It is upper that the track slided for load carrying devices such as dollies is set.Further, the inner side of lower boom 5 is provided with the rail slided for load carrying device Road 8, is arranged at the inner side of lower boom 5, it is necessary to have broader spacing between two panels side truss 1a and 1b by track 8, so as to Enough further enhance the lateral rigidity of three open type truss structure girders of the utility model second embodiment.

Preferably, in the utility model second embodiment, one or more of top boom 4 and/or flank bar 6 use work Word steel or H profile steel.The cross-sectional interior clear height of I-steel or H profile steel used in top boom 4 and/or flank bar 6 is identical, profit With contour I-steel or H profile steel, it is possible to increase the bearing capacity or anti-fatigue performance of crossbeam, with more preferable practical valency Value.

In summary, using the bank bridge of three open type truss structure crossbeams of the present utility model and the application crossbeam, by In the truss structure that its crossbeam is three open types, weight is lighter for traditional four-piece type crossbeam, and structure is steady Gu, anti-fatigue performance is good, and lateral rigidity more preferably, can be applied to lifting capacity and the higher large-scale bank bridge of working level, with very High practical value.Above-described embodiment only illustrative principle of the present utility model and its effect, not for limiting this reality With new.Any person skilled in the art all can be without prejudice under spirit and scope of the present utility model, to above-described embodiment Carry out modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed in the utility model Spirit and all equivalent modifications for being completed under technological thought or change, should be contained by claim of the present utility model Lid.

Claims (23)

1. a kind of three open type truss structure crossbeams, it is characterised in that including two panels side truss and connection two panels side truss A piece of upper truss, two panels side truss is each set and opposing parallel along perpendicular, and the upper truss is set along horizontal plane Put, the upper end close proximity of the both sides of the upper truss respectively with two panels side truss so that the longitudinal section of the crossbeam is Square-section that is downwardly open, not closing, is connected between two panels side truss and a piece of upper truss by support frame Connect fixation.

2. three open types truss structure crossbeam as claimed in claim 1, it is characterised in that two panels side truss is each wrapped Top boom and lower boom parallel up and down is included, many flanks are vertically provided between the top boom and the lower boom Bar, the flank bar is coupled the top boom and the lower boom.

3. three open types truss structure crossbeam as claimed in claim 2, it is characterised in that the upper truss is included by described Between two parallel side rods of left and right that two of the two panels side truss top booms are constituted, two side rods in the horizontal direction Many top struts are provided with, the top strut is coupled two side rods.

4. three open types truss structure crossbeam as claimed in claim 3, it is characterised in that many flank bars and/or The many top struts are triangle, " N " type, " K " type or rice font structure.

5. three open types truss structure crossbeam as claimed in claim 3, it is characterised in that support frame as described above is three supports The tripod structure that bar is constituted, its three angles are individually fixed on two flank bars and a top strut, two flanks Bar is located in the truss of the two panels side respectively, the two ends of a top strut respectively the upper end of two flank bars with The top boom is connected, and the plane where support frame as described above is perpendicular to the plane where any side truss.

6. three open types truss structure crossbeam as claimed in claim 3, it is characterised in that support frame as described above is two support bars The triangular structure constituted with a flank bar, a flank bar is located therein in a piece of side truss, and its top leads to The top that a top strut is crossed with another flank bar in another side truss is connected, another flank bar Identical with position of the flank bar on crossbeam length direction and be parallel to each other, the drift angle of the triangular structure is located at The top of a piece flank bar and the junction of the top strut, two base angle is individually fixed in a flank bar On another flank bar, and plane where support frame as described above is perpendicular to flat where any side truss Face.

7. three open type truss structure crossbeams as described in claim 5 or 6, it is characterised in that two of support frame as described above Base angle in the vertical direction is above the plane that two lower booms are constituted.

8. three open types truss structure crossbeam as claimed in claim 7, it is characterised in that the inner side of the lower boom is provided with The track slided for load carrying device.

9. three open types truss structure crossbeam as claimed in claim 2, it is characterised in that the top boom and/or described Flank bar uses I-steel or H profile steel.

10. a kind of bank bridge, including door frame, the crossbeam that is fixed on the door frame and ladder frame, many drawings of the traction crossbeam Bar, the door frame includes the entablature of door frame column upper end described in the door frame column that is vertically arranged and level connection joint, the crossbeam The bottom of the entablature is fixed on, the ladder frame is fixed on the top of the door frame, and the upper end of the pull bar is connected to institute State on ladder frame, lower end is connected on the crossbeam, it is characterised in that the crossbeam is used such as any institute in claim 2-9 The three open type truss structure crossbeams stated.

11. bank bridge as claimed in claim 10, it is characterised in that the crossbeam include the extra large side crossbeam for mutually rotating connection and Land side crossbeam, the extra large side crossbeam is connected by double hinge systems with land side crossbeam, and described pair of hinge system includes Upper hinge and down hinge.

12. bank bridge as claimed in claim 11, it is characterised in that land side crossbeam passes through jointing and auxiliary support bar It is fixed on the bottom of the entablature.

13. bank bridge as claimed in claim 12, it is characterised in that the jointing includes an enclosed housing, the envelope The front and rear two panels panel of enclosed casing extends upward the first convex portion along perpendicular respectively, and top panel extends along horizontal plane Second convex portion.

14. bank bridge as claimed in claim 13, it is characterised in that width and institute on the left and right directions of the enclosed housing The width stated on the section left and right directions of entablature is identical, the thickness on the fore-and-aft direction of the enclosed housing with it is described on Width on the section fore-and-aft direction of chord member is identical.

15. bank bridge as claimed in claim 13, it is characterised in that the bottom of the entablature is connected with the jointing Attaching plate elements is provided with position, when land side crossbeam and entablature fixation, the attaching plate elements and described first The edge of convex portion, the top panel are connected and integral.

16. bank bridge as claimed in claim 13, it is characterised in that horizontal plane of second convex portion along the top panel is to the left Right both sides are each extended over, and are respectively fixedly connected with the left and right sides in the top panel in the top boom, the closed enclosure The basal edge of left and right two of body bottom surface is fixedly connected by the auxiliary support bar with the top boom and the lower boom.

17. bank bridge as claimed in claim 16, it is characterised in that gusset plate, the node are provided with the jointing Plate is fixedly connected by stay tube with the ladder frame.

18. bank bridge as claimed in claim 13, it is characterised in that horizontal plane of second convex portion along the top panel is to the left Side extends to the right, and the top boom is fixedly connected on the left side or right side in the top panel；When described second When convex portion extends to the left, the left side basal edge of the enclosed housing bottom surface by the auxiliary support bar and the top boom and The lower boom is fixedly connected, and the right side basal edge of the enclosed housing bottom surface passes through the auxiliary support bar and the lower boom And be fixedly connected at the upper hinge；When second convex portion extends to the right, the right side bottom of the enclosed housing bottom surface Rib is fixedly connected by the auxiliary support bar with the top boom and the lower boom, the left side of the enclosed housing bottom surface Basal edge is by the auxiliary support bar with being fixedly connected at the lower boom and the upper hinge.

19. a kind of bank bridge, including door frame, the crossbeam that is fixed on the door frame and ladder frame, many drawings of the traction crossbeam Bar, the door frame includes the entablature of door frame column upper end described in the door frame column that is vertically arranged and level connection joint, the crossbeam The bottom of the entablature is fixed on, the ladder frame is fixed on the top of the door frame, and the upper end of the pull bar is connected to institute State on ladder frame, lower end is connected on the crossbeam, it is characterised in that the crossbeam uses three as claimed in claim 1 Open type truss structure crossbeam.

20. bank bridge as claimed in claim 19, it is characterised in that the crossbeam include the extra large side crossbeam for mutually rotating connection and Land side crossbeam, the extra large side crossbeam is connected by double hinge systems with land side crossbeam, and described pair of hinge system includes Upper hinge and down hinge.

21. bank bridge as claimed in claim 20, it is characterised in that land side crossbeam passes through jointing and auxiliary support bar It is fixed on the bottom of the entablature.

22. bank bridge as claimed in claim 21, it is characterised in that the jointing includes an enclosed housing, the envelope The front and rear two panels panel of enclosed casing extends upward the first convex portion along perpendicular respectively, and top panel extends along horizontal plane Second convex portion.

23. bank bridge as claimed in claim 22, it is characterised in that the bottom of the entablature is connected with the jointing Attaching plate elements is provided with position, when land side crossbeam and entablature fixation, the attaching plate elements and described first The edge of convex portion, the top panel are connected and integral.