CN205527356U - Crane girder - Google Patents

Crane girder Download PDF

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Publication number
CN205527356U
CN205527356U CN201620098591.5U CN201620098591U CN205527356U CN 205527356 U CN205527356 U CN 205527356U CN 201620098591 U CN201620098591 U CN 201620098591U CN 205527356 U CN205527356 U CN 205527356U
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web
girder
cover plate
track
crane
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CN201620098591.5U
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Chinese (zh)
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王历鑫
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王历鑫
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Abstract

The utility model discloses a crane girder, crane girder include the girder body that extends along the fore -and -aft direction, and the girder body is the box structure and including upper cover plate, apron and first web, second web down, be equipped with on the at least one side in the left and right sides of girder body extend along the fore -and -aft direction, supply the bearing track of trolley operation, be equipped with on the girder body with trolley's corresponding part guide mating, prevent that the dolly breaks away from the limit structure of girder body at the operation in -process, limit structure is located the top of upper cover plate. The utility model discloses the structural style of girder can for the structure that hangs the dolly girder below the girder, can make the load -lifting height of hoist improve so that the dolly of operation lies in its one side or both sides, does not receive the restriction of girder lower cover board.

Description

Crane girder
Technical field
This utility model relates to hoisting machinery technical field, is specifically related to a kind of crane girder.
Background technology
Bridge crane is widely used in the places such as workshop, warehouse, stock ground, for the occasion that lifting capacity is less, uses single-beam bridge-type crane with electric hoist more.The version that the many employings of structure of mono beam crane in bridge type are traditional, the employing single crab operating structure that lifting capacity is slightly smaller, the employing double trolley operating structure of the slightly larger point of lifting capacity.Girder uses the pattern of bag I-steel, main beam structure complex manufacturing.For this problem, Chinese patent CN 101973485A(Shen Qing Publication day is 2011.02.16) disclose a kind of Novel electric hoist mono-beam bridge type crane, the girder of this crane includes upper cover plate, web and lower cover, web is arranged between upper cover plate and lower cover, the case structure that upper cover plate and lower cover are connected, and the slab of guide rail it is placed in the junction of web and lower cover.The travelling mechanism of dolly includes that adhesion wheel, driven wheel, adhesion wheel and driven wheel are suspended on the slab on girder.But owing to electric reel is suspended from link plate, electric reel is positioned at the lower section of whole girder, actually used when, will there is certain defect, such as, this set form can reduce the lifting altitude of crane.
Summary of the invention
The purpose of this utility model is to provide a kind of crane girder, to solve the technical problem that existing crane main beam structure form reduces the lifting altitude of crane.
In order to realize object above, the technical scheme of this utility model crane girder is as follows: crane girder, including the girder body extended along the longitudinal direction, girder body is box-structure and includes upper cover plate, lower cover and the first web, second web, at least side in the left and right sides of girder body is provided with and extends along the longitudinal direction, the Load-bearing rail run for trolley, girder body is provided with what the corresponding component guiding with described trolley coordinated, prevent dolly from departing from the position limiting structure of girder body in running, described position limiting structure is positioned at the top of described upper cover plate.
Described lower cover stretches out the first described web and/or the second web in left-right direction, the part stretching out the first described web and/or the second web of described lower cover is provided with track girder, and described track girder includes the track gripper shoe for supporting described Load-bearing rail extended along the longitudinal direction.
Described track girder also includes that load-bearing gusset, described load-bearing gusset are spaced layout along the longitudinal direction, and load-bearing gusset has the joint face being connected with the first web, track gripper shoe or the second web, track gripper shoe.
Upper cover plate is all stretched out in the upper end of described first web and/or the second web, the part protruding upward described upper cover plate of described first web and/or the second web forms the described position limiting structure of correspondence, and the medial surface of the part protruding upward described upper cover plate of the first web and/or the second web forms the corresponding component to trolley and guides the spigot surface coordinated.
Described upper cover plate is positioned at described first web, the top of the second web, and described upper cover plate side thereon is provided with the limit track extended along the longitudinal direction, and described limit track forms described position limiting structure.
The side of described first web and/or the second web is provided with the hauling-chain frame for Power Support drag chain.
Described hauling-chain frame is formed by bending plate, forms the dee for placing described power supply drag chain between bending plate and described first web and/or the corresponding side surface of the second web, and the groove bottom wall of described dee forms the supporting surface of Power Support drag chain.
Described upper cover plate is provided with the hauling-chain frame for Power Support drag chain.
Described hauling-chain frame is formed by opening up U-shaped plate, and the diapire of U-shaped plate forms the supporting surface of Power Support drag chain.
The beneficial effects of the utility model: the Load-bearing rail for trolley travelling is arranged on the side of girder body by this utility model, and the position limiting structure to trolley travelling is set thereon, position limiting structure is positioned at the top of lower cover, the girder of this arrangement form makes the dolly run be positioned on its one or both sides, structure relative to girder dolly being suspended on below girder, the lifting altitude that can make crane improves, and is not limited by girder lower cover.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of siding track formula mono beam crane in bridge type;
Fig. 2 is the sectional view (mainly for girder) of Fig. 1;
Fig. 3 is that two-shipper merges the schematic diagram used;
Fig. 4 is the structural representation (embodiment 1) of the girder in Fig. 2;
Fig. 5 is the schematic cross-section of another kind of crane;
Fig. 6 is the structural representation (embodiment 2) of the girder in Fig. 5;
Fig. 7 is the schematic cross-section of another kind of crane;
Fig. 8 is the structural representation (embodiment 3) of the girder in Fig. 7;
Fig. 9 is the cross section structure schematic diagram of crane girder embodiment 4;
Figure 10 is the structural representation of the travelling mechanism in Fig. 2;
Figure 11 is the structural representation of the lifting mechanism in Fig. 2;
Figure 12 is the structural representation of the fixed frame that hoists in Figure 11.
Detailed description of the invention
As Figure 1-4, being a kind of siding track formula mono beam crane in bridge type, this crane includes the dolly 4 that the girder 2 extended along the longitudinal direction, guiding movement are assemblied on girder 2.Before and after girder 2, two ends are provided with operation end carriage 1, run end carriage 1 and run on the cart track 11 being arranged on accordingly in Factory Building, run end carriage and are driven by left and right operation motor 12.Run end carriage and be provided with end carriage electric box 13.Dolly has two and lays respectively at the left and right sides of girder, for double small vehicle type.
Originally the embodiment 1 of girder it is embodied as, girder 2 includes the girder body in box-structure, the first web the 27, second web 24 and upper cover plate 26 that girder body includes lower cover 25, is located on lower cover 25, first web the 27, second web 24 be arranged in parallel and between upper cover plate 26 and lower cover 25.The internal inner reinforced plate being provided with spaced apart reinforcement of girder 2.All stretching out on the left of first web the 27, second web 24(along its width of lower cover 25 is the first web, and right side is the second web 24, lower cover 25 stretch out the first web 27 to the left, stretch out to the right the second web 24).Be equipped with track girder in the part stretching out the first web, the second web of lower cover 25, track girder include extending along the longitudinal direction for support Load-bearing rail track gripper shoe 28 and along track gripper shoe 28 length direction spaced load-bearing gusset 29.Load-bearing gusset 29 has the joint face that the track gripper shoe 28 with the first web 27, the track gripper shoe in left side or the second web 24, right side is connected, and the lower surface of load-bearing gusset 29 is connected on lower cover.Load-bearing rail 23 is fixed in track gripper shoe 28 and extends along the longitudinal direction.Track gripper shoe 28 be arranged in parallel with lower cover 25.Upper cover plate 26 is all stretched out in the upper end of first web the 27, second web 24, and upper cover plate 26 is between first web the 27, second web 24.
As shown in figs. 10-12, dolly 4 includes travelling mechanism, lifting mechanism to the structure of dolly 4, and travelling mechanism includes actively wheel carrier 42, load-carrying link plate 40, and the drivewheel of dolly is arranged in active wheel carrier 42, and drivewheel runs along Load-bearing rail 23.Actively motor 43 is run before and after being located at driving drivewheel motion in the side of wheel carrier 42, front and back runs motor 43 and extends in left-right direction.Load-carrying link plate 40 is arranged on above active wheel carrier, load-carrying link plate 40 is bent plate, and bent plate includes riser 402 and transverse slat 401, and transverse slat 401 extends to girder side, transverse slat 401 is provided with guide and limit mechanism, and guide and limit mechanism includes the directive wheel 41 that pivot center is vertically extending.The part protruding upward upper cover plate 26 of first web the 27, second web 24 forms the position limiting structure of correspondence, and the part that the second web 24 stretches out is designated as 241.Coordinated by the guide and limit of position limiting structure 241 with directive wheel 41, make dolly 4 operate steadily, and can prevent dolly 4 from departing from girder in running.The medial surface of the part protruding upward upper cover plate 26 of first web the 27, second web 24 forms the directive wheel 41 to trolley and guides the spigot surface coordinated.
On riser 402, releasable connection has lifting mechanism, lifting mechanism to include the fixed frame 46 that hoists, and is provided with assembly pulley in the fixed frame 46 that hoists, and the outside of the fixed frame 46 that hoists arranges lifting motor 47.Riser 402 is provided with load-carrying hanging hole 403, the hoist side towards riser 402 of fixed frame 46 is provided with the hook 461 for buckling in load-carrying hanging hole 403, the fixed frame 46 that hoists is fastened by bolts after buckling on riser 402, and on the fixed frame 46 that hoists, the lower section in hook 461 is provided with the bolt hole 462 penetrated for bolt.Corresponding position on riser 402 is also equipped with corresponding bolt penetration hole.The fixed frame 46 that hoists has the installation cavity of up/down perforation, and assembly pulley includes fixed pulley group and guiding fixed pulley group, lifting hook pulley group in the same direction.
Side in first web the 27, second web 24 is provided with the hauling-chain frame 22 of Power Support drag chain 6, forms dee between the web that hauling-chain frame 22 is corresponding with first web the 27, second web 24.Hauling-chain frame 22 is formed by bending plate, and the groove bottom wall of dee forms the supporting surface of Power Support drag chain 6.
Dolly 4 includes main suspension hook 48, is provided with balancing suspension hook between the main suspension hook 48 of two dollies, and balancing suspension hook includes hook body 72 and equalizer bar 71, and the two ends of equalizer bar 71 are connected on the main suspension hook 48 of dolly.Equalizer bar 71 be respectively arranged at two ends with first U-shaped snap ring the 73, second U-shaped snap ring 74.First U-shaped snap ring the 73, second U-shaped snap ring 74 is buckled on little car owner's suspension hook of correspondence.Balancing suspension hook can hoisting weight is bigger two lifting mechanisms unite two into one when goods.
The crane of the double small vehicle type in the present embodiment, two different goods of lifting mechanism lifting can be operated respectively, two lifting mechanisms arbitrarily can be exchanged through electrical equipment control, if a lifting mechanism breaks down wherein, can call at any time another lifting mechanism enter duty will not be ensured that the safety in production of enterprise by any impact of fault lifting mechanism.Two lifting mechanisms merge through electrical equipment control and use, and can put down at diverse location according to the size of hung object and lift the bigger goods of weight ratio, goods winches to the height that other crane is not reached.
The embodiment 2 of this utility model crane girder: as seen in figs. 5-6, is the sectional view of girder shown in this figure, and this girder is applied on crane, for unilateral rail.Difference with embodiment 1 is, the right side in the left and right sides of girder is provided with the Load-bearing rail 23 extended along the longitudinal direction, only includes a dolly, and the adhesion wheel of dolly runs along Load-bearing rail.The box-structure of girder is slightly revised with the structure in embodiment 1, to adapt to the operation of single crab.Second web 24 on the right side of girder is constant, and first web 31 in left side shortens in the height direction, and the first web 31 is between upper cover plate 32, lower cover 30.Hauling-chain frame 22 the most only need to be arranged on the second web 24.The part protruding upward upper cover plate of the second web 24 forms the position limiting structure 241 to dolly.First web and the second web are the definition to left and right sides web, it is not limited to left side or right side, can exchange.
The embodiment 3 of this utility model crane girder, such as Fig. 7-8, figure is shown that the sectional view of girder: this girder is applied on crane, for bilateral rail, girder 5 includes the girder body in box-structure, the first web the 57, second web 56 and upper cover plate 58 that girder body includes lower cover 50, is located on lower cover 50, first web the 57, second web 56 be arranged in parallel and between upper cover plate 58 and lower cover 50.The internal inner reinforced plate 59 being provided with spaced apart reinforcement of girder 8.All stretching out on the left of first web the 57, second web 56(along its width of lower cover 50 is the first web, and right side is the second web 24, lower cover 50 stretch out the first web 57 to the left, stretch out to the right the second web 56).Be equipped with track girder in the part stretching out first web the 57, second web 56 of lower cover 50, track girder include extending along the longitudinal direction for support Load-bearing rail track gripper shoe 54 and along track gripper shoe 54 length direction spaced load-bearing gusset 55.Load-bearing gusset 55 has the joint face that the track gripper shoe 54 with the first web 57, the track gripper shoe in left side or the second web 56, right side is connected, and the lower surface of load-bearing gusset 55 is connected on lower cover 50.Load-bearing rail 53 is fixed in track gripper shoe 54 and extends along the longitudinal direction.Track gripper shoe 54 be arranged in parallel with lower cover 50.Upper cover plate 58 is provided with the hauling-chain frame 51 for Power Support drag chain 6.Hauling-chain frame 51 is formed by opening up U-shaped plate, and the diapire of U-shaped plate forms the supporting surface of Power Support drag chain 6.Owing to being double trolley, therefore, power supply drag chain 6, hauling-chain frame 51 are all to arrange two.Upper cover plate 58 is provided with limit track 52, and limit track 52 forms the position limiting structure spacing to dolly 8.The medial surface of limit track 52 guides with the directive wheel 82 of dolly 8 and coordinates.
The embodiment 4 of this utility model crane girder, such as Fig. 9, is shown that the sectional view of girder in figure.This embodiment is with the difference of embodiment 3, and this girder, when being applied on crane, guides be equipped with dolly for single crab formula, only right side.The structure of girder body is constant, and hauling-chain frame 91 is arranged on upper cover plate 90, and owing to space is sufficient, the position of hauling-chain frame 91 is slightly to moving to left.Limit track 92 is arranged on upper cover plate 90, is positioned at the right of hauling-chain frame 91.Concrete structure no longer describes in detail, can refer to embodiment 3.
In other embodiments, Load-bearing rail can directly be arranged in the part stretched out on lower cover, or is directly formed by the part stretched out of lower cover.

Claims (9)

1. crane girder, including the girder body extended along the longitudinal direction, girder body is box-structure and includes upper cover plate, lower cover and the first web, the second web, it is characterized in that: at least side in the left and right sides of girder body is provided with Load-bearing rail that extend along the longitudinal direction, that run for trolley, girder body be provided with corresponding component with described trolley guide that coordinate, prevent dolly from departing from the position limiting structure of girder body in running, described position limiting structure is positioned at the top of described upper cover plate.
Crane girder the most according to claim 1, it is characterized in that: described lower cover stretches out the first described web and/or the second web in left-right direction, the part stretching out the first described web and/or the second web of described lower cover is provided with track girder, and described track girder includes the track gripper shoe for supporting described Load-bearing rail extended along the longitudinal direction.
Crane girder the most according to claim 2, it is characterized in that: described track girder also includes load-bearing gusset, described load-bearing gusset is spaced layout along the longitudinal direction, and load-bearing gusset has the joint face being connected with the first web, track gripper shoe or the second web, track gripper shoe.
Crane girder the most according to claim 1, it is characterized in that: upper cover plate is all stretched out in the upper end of described first web and/or the second web, the part protruding upward described upper cover plate of described first web and/or the second web forms the described position limiting structure of correspondence, and the medial surface of the part protruding upward described upper cover plate of the first web and/or the second web forms the corresponding component to trolley and guides the spigot surface coordinated.
Crane girder the most according to claim 1, it is characterized in that: described upper cover plate is positioned at described first web, the top of the second web, described upper cover plate side thereon is provided with the limit track extended along the longitudinal direction, and described limit track forms described position limiting structure.
6. according to the crane girder described in any one of claim 1 to 5, it is characterised in that: the side of described first web and/or the second web is provided with the hauling-chain frame for Power Support drag chain.
Crane girder the most according to claim 6, it is characterized in that: described hauling-chain frame is formed by bending plate, forming the dee for placing described power supply drag chain between bending plate and described first web and/or the corresponding side surface of the second web, the groove bottom wall of described dee forms the supporting surface of Power Support drag chain.
8. according to the crane girder described in any one of claim 1 to 5, it is characterised in that: described upper cover plate is provided with the hauling-chain frame for Power Support drag chain.
Crane girder the most according to claim 8, it is characterised in that: described hauling-chain frame is formed by opening up U-shaped plate, and the diapire of U-shaped plate forms the supporting surface of Power Support drag chain.
CN201620098591.5U 2016-02-01 2016-02-01 Crane girder Active CN205527356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620098591.5U CN205527356U (en) 2016-02-01 2016-02-01 Crane girder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620098591.5U CN205527356U (en) 2016-02-01 2016-02-01 Crane girder

Publications (1)

Publication Number Publication Date
CN205527356U true CN205527356U (en) 2016-08-31

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Country Link
CN (1) CN205527356U (en)

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