Bridge crane

Abstract

A bridge crane comprises a guide rail, a trolley, a current collector, a sliding contact line, a lifting component and a cleaning component, the trolley is movably assembled on the guide rail, the sliding contact line is connected with the trolley through the current collector, the current collector is assembled on the sliding contact line in a sliding mode, and the lifting component is connected with the trolley through the lifting component. The lifting component and the cleaning component are assembled on the trolley, and the cleaning component is used for cleaning the sliding contact line. The bridge crane has the technical effects that stains and dust accumulated on the sliding contact line can be cleaned in time in the working process, accidents are avoided, and the production efficiency and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a bridge crane. Background Art

[0002] A bridge crane is a lifting equipment that spans over workshops, warehouses, and yards for material lifting. Since its two ends are seated on tall cement columns or metal brackets, it resembles a bridge. The bridge of the bridge crane runs longitudinally along the tracks laid on both sides of the elevated racks, and can make full use of the space under the bridge to lift materials without being hindered by ground equipment. It is the most widely used and most numerous type of lifting machinery.

[0003] In the prior art, the bridge crane relies on electric drive, and mainly conducts power transmission through a trolley wire and a current collector. In the working environment of the crane, stains and dust will inevitably appear. If not cleaned in time, long-term accumulation will seriously reduce the power transmission efficiency, and may even cause a short circuit and fire, posing potential safety hazards for production and affecting production efficiency. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide a bridge crane, which can timely clean the stains and dust accumulated on the trolley wire during work, avoid accidents, and improve the technical effects of production efficiency and convenience.

[0005] The utility model provides a bridge crane, including a guide rail, a trolley, a current collector, a trolley wire, a lifting member, and a cleaning member. The trolley is movably assembled on the guide rail. The trolley wire is connected to the trolley through the current collector. The current collector is slidably assembled on the trolley wire. The lifting member and the cleaning member are assembled on the trolley, and the cleaning member is used to clean the trolley wire.

[0006] In one embodiment, the cleaning member includes a fixing frame, a cleaning box, and a cleaning part. The cleaning box is assembled on the trolley through the fixing frame. The cleaning part is assembled in the cleaning box, and the cleaning box is in contact with the trolley wire for cleaning the trolley wire.

[0007] In one embodiment, the cleaning part includes a rack, a first rotating shaft, a first gear, and a brush. The rack is assembled on the trolley wire. The first rotating shaft is rotatably assembled in the cleaning box. The first gear and the brush are assembled on the first rotating shaft, and the first gear meshes with the rack, and the brush is in contact with the trolley wire.

[0008] In one embodiment, the cleaning member further includes a second rotating shaft, a second gear, and a scraper. The second rotating shaft is rotatably assembled in the cleaning box. The second gear and the scraper are assembled on the second rotating shaft. The second gear meshes with the first gear, and the scraper contacts the brush.

[0009] In one embodiment, the lifting member includes a main beam and a lifting structure. The main beam is assembled on the trolley, and the lifting structure is assembled on the main beam.

[0010] In one embodiment, the lifting structure includes an electric flat car, an electric hoist, and a lifting rope. The electric flat car is movably assembled on the main beam. The electric hoist is assembled on the electric flat car. One end of the lifting rope is connected to the electric hoist, and the other end of the lifting rope is away from the electric hoist.

[0011] In one embodiment, the lifting member further includes a deviation correction assembly. The deviation correction assembly is assembled on the electric flat car and is used to limit the position of the lifting rope.

[0012] In one embodiment, the deviation correction assembly includes a mounting frame, a fixing rod, a fixing ring, a sliding slip ring, a support rod, a damping rod, and a collar. The mounting frame is assembled on the electric flat car. The fixing rod is assembled on the mounting frame. The fixing ring is assembled on the fixing rod. The sliding slip ring is slidably assembled on the fixing rod. The support rod connects the fixing ring and the collar. The damping rod connects the sliding slip ring and the support rod. The part of the lifting rope close to the electric hoist passes through the collar.

[0013] The bridge crane provided by the present utility model can timely clean the stains and dust accumulated on the trolley wire during work, avoid accidents, and improve the technical effects of production efficiency and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 FIG. is a schematic diagram of the overall structure of a bridge crane proposed by the present utility model.

[0016] Figure 2 FIG. is a side view of a bridge crane proposed by the present utility model.

[0017] Figure 3Schematic structural diagram of a cleaning component of a bridge crane proposed by the present utility model.

[0018] Figure 4 Schematic structural diagram of a cleaning head of a bridge crane proposed by the present utility model.

[0019] Figure 5 Schematic structural diagram of a deviation rectifying assembly of a bridge crane proposed by the present utility model.

[0020] Figure 6 Schematic structural diagram of a collar of a bridge crane proposed by the present utility model. Detailed implementation manners

[0021] The following will describe in detail specific embodiments of the present utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the description of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0022] In the description of the present utility model, unless otherwise clearly defined and limited, terms such as "arranged", "installed", "connected", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms may be understood according to specific circumstances.

[0023] The orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of description and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0024] Terms such as "first", "second", "third", etc. are only used to distinguish elements with similar attributes, rather than indicating or implying relative importance or a specific order.

[0025] The term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion. In addition to the listed elements, it may also include other elements not specifically listed.

[0026] Please refer to Figures 1 to 3, the overhead crane provided by the utility model includes a guide rail 1, a trolley 2, a current collector 5, a sliding contact wire 4, a lifting member 3 and a cleaning member 6. The trolley 2 is movably assembled on the guide rail 1. The sliding contact wire 4 is connected to the trolley 2 through the current collector 5. The current collector 5 is slidably assembled on the sliding contact wire 4. The lifting member 3 and the cleaning member 6 are assembled on the trolley, and the cleaning member 6 is used to clean the sliding contact wire 4.

[0027] It can be understood that in the working state, the guide rail 1 is assembled on the wall beam, and the fixing method can be bolt connection or some other methods. The trolley 2 moves on the guide rail 1 and can drive the lifting member 3 to move along the guide rail 1. When the trolley 2 moves, it will drive the current collector 5 to slide on the sliding contact wire 4. The power supply 2 supplies power to the trolley 2 through the sliding contact wire 4 and the current collector 5. The connection method between the current collector 5 and the sliding contact wire 4 can be a known method. The cleaning member 6 can move along with the trolley 2 to clean the sliding contact wire 4, thus avoiding safety accidents caused by dust accumulation on the sliding contact wire 4.

[0028] Please refer to Figure 3 , in some embodiments, the cleaning member includes a fixing frame, a cleaning box 606 and a cleaning part. The cleaning box 606 is assembled on the trolley 2 through the fixing frame. The cleaning part is assembled in the cleaning box 606, and the cleaning box 606 is in contact with the sliding contact wire 4 for cleaning the sliding contact wire 4.

[0029] It can be understood that the cleaning box 606 can be an open type. The connection method between the fixing frame, the cleaning box 606 and the trolley 2 can be welding. The cleaning box 606 moves along with the trolley 2. During the movement of the trolley 2, power can be provided for the cleaning part, and the cleaning part cleans the dust on the cleaning part, and the cleaned dust can fall into the interior of the cleaning box 606.

[0030] Please continue to refer to Figure 3 , in some embodiments, the cleaning part includes a rack 601, a first rotating shaft 608, a first gear 602 and a brush 609. The rack 601 is assembled on the sliding contact wire 4. The first rotating shaft 608 is rotatably assembled in the cleaning box 606. The first gear 602 and the brush 609 are assembled on the first rotating shaft 608, and the first gear 602 meshes with the rack 601, and the brush 609 is in contact with the sliding contact wire 4.

[0031] It can be understood that the rack 601 can be assembled on the sliding contact wire 4, and there will be no interference with the current collector 5 after assembly. During operation, the trolley 2 will drive the cleaning box 606 to move, the cleaning box 606 will drive the first gear 602 to move, the first gear 602 meshes with the rack 601, the rack 601 will not move, and the frictional force between the rack 601 and the first gear 602 drives the first gear 602 to rotate. The first gear 602 drives the brush 609 on the first rotating shaft 608 to rotate, and the rotation of the brush 609 cleans the sliding contact wire 4.

[0032] Please continue to refer to Figure 3 and Figure 4 In some embodiments, the cleaning member further includes a second rotating shaft 607, a second gear 604 and a scraper 605. The second rotating shaft 607 is rotatably assembled in the cleaning box 606, the second gear 604 and the scraper 605 are assembled on the second rotating shaft 607, the second gear 604 meshes with the first gear 602, and the scraper 605 is in contact with the brush 609.

[0033] It can be understood that the scraper 605 can rotate following the brush 609, and the second rotating shaft 607 and the first rotating shaft 608 can also be linked by means of a belt 603 and pulleys. The scraper 605 cleans the dust on the brush 609, thereby preventing the dust accumulated on the brush 609 from affecting the cleaning effect of the brush 609. It can be known that the cleaning member can also include a third gear 610, a toothed plate 611, a sliding frame 612 and a cleaning head 613. The toothed plate 611 can be assembled on the sliding frame 612, the sliding frame 612 can be slidably assembled in the chute on the inner wall of the cleaning box 606, the third gear 610 is rotatably assembled on the inner wall of the cleaning box 606, the third gear 610 meshes with the second gear 604 and the toothed plate 611, the second gear 604 drives the third gear 610 to rotate, the third gear 610 drives the toothed plate 611 to move, the toothed plate 611 drives the sliding frame 612 to move, and the sliding frame 612 drives the cleaning head 613 to clean the sliding contact wire 4.

[0034] Please refer to Figure 5 In some embodiments, the lifting member 3 includes a main beam 301 and a lifting structure. The main beam 301 is assembled on the trolley 2, and the lifting structure is assembled on the main beam 301.

[0035] It can be understood that the main beam 301 can be fixed to the wall beam by anchor bolts, the lifting structure can be fixedly or movably assembled on the main beam 301, and the trolley 2 can drive the main beam 301 to move to drive the lifting structure to move, so as to conveniently move the lifting structure to the corresponding position.

[0036] Please refer to Figure 5, in some embodiments, the lifting structure includes an electric flatbed truck 303, an electric hoist 302, and a lifting rope 304. The electric flatbed truck 303 is movably assembled on the main beam 301. The electric hoist 302 is assembled on the electric flatbed truck 303. One end of the lifting rope 304 is connected to the electric hoist 302, and the other end of the lifting rope 304 is away from the electric hoist 302.

[0037] It can be understood that the power supply method of the electric flatbed truck 302 can refer to the power supply method of the trolley 2. The electric flatbed truck 303 can drive the electric hoist 302 to move along the main beam 301. The moving directions of the trolley 2 and the electric flatbed truck 303 can be different. The electric hoist 302 lifts the item through the lifting rope 304. A hook can also be provided on the lifting rope 304 to facilitate the lifting of the item to be lifted.

[0038] Please refer to Figure 5 , in some embodiments, the lifting member further includes a deviation correction assembly. The deviation correction assembly is assembled on the electric flatbed truck 302 and is used to limit the position of the lifting rope 304.

[0039] It can be understood that the deviation correction assembly can limit the position of the lifting rope 304, thereby preventing the lifting rope 304 from interfering with other components of the lifting member during winding, and thus improving the safety during winding.

[0040] Please refer to Figure 5 and Figure 6 , in some embodiments, the deviation correction assembly includes a mounting bracket 311, a fixing rod 305, a fixing ring 313, a sliding slip ring 306, a support rod 310, a damping rod 307, and a collar 308. The mounting bracket 311 is assembled on the electric flatbed truck 302. The fixing rod 305 is assembled on the mounting bracket 311. The fixing ring 313 is assembled on the fixing rod 305. The sliding slip ring 306 is slidably assembled on the fixing rod 305. The support rod 310 connects the fixing ring 313 and the collar 308. The damping rod 307 connects the sliding slip ring 306 and the support rod 310. The part of the lifting rope 304 close to the electric hoist 302 passes through the collar 308.

[0041] It can be understood that mounting grooves can be provided on the mounting bracket 311. Both ends of the fixing rod 305 can be assembled in the mounting grooves through torsion springs 312. The collar 308 restricts the position of the lifting rope 304. The sliding slip ring 306 and the damping rod 307 cooperate to have a certain effect of supporting and fixing the fixing rod 305. Springs 314 and limiting plates 316 can also be provided in the collar 308 to limit the lifting rope 304. Ball bearings 315 can also be provided to improve the smoothness of the movement of the lifting rope 304.

[0042] As can be known from the above description, the bridge crane provided by the present utility model can timely clean the stains and dust accumulated on the trolley wire during operation, avoid accidents, and improve the technical effects of production efficiency and convenience.

[0043] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the appended claims.

Claims

1. A bridge crane, characterized in that, It includes a guide rail, a trolley, a current collector, a sliding contact wire, a lifting member and a cleaning member. The trolley is movably assembled on the guide rail. The sliding contact wire is connected to the trolley through the current collector. The current collector is slidably assembled on the sliding contact wire. The lifting member and the cleaning member are assembled on the trolley, and the cleaning member is used to clean the sliding contact wire.

2. The bridge crane according to claim 1, characterized in that, The cleaning member includes a fixing frame, a cleaning box and a cleaning part. The cleaning box is assembled on the trolley through the fixing frame. The cleaning part is assembled in the cleaning box, and the cleaning box is in contact with the sliding contact wire for cleaning the sliding contact wire.

3. The overhead traveling crane according to claim 2, wherein The cleaning part includes a rack, a first rotating shaft, a first gear and a brush. The rack is assembled on the sliding contact wire. The first rotating shaft is rotatably assembled in the cleaning box. The first gear and the brush are assembled on the first rotating shaft, and the first gear meshes with the rack, and the brush is in contact with the sliding contact wire.

4. The bridge crane according to claim 3, characterized in that, The cleaning part further includes a second rotating shaft, a second gear and a scraper. The second rotating shaft is rotatably assembled in the cleaning box. The second gear and the scraper are assembled on the second rotating shaft. The second gear meshes with the first gear, and the scraper is in contact with the brush.

5. The bridge crane according to claim 1, characterized in that, The lifting member includes a main beam and a lifting structure. The main beam is assembled on the trolley, and the lifting structure is assembled on the main beam.

6. The bridge crane according to claim 5, characterized in that, The lifting structure includes an electric flat car, an electric hoist and a lifting rope. The electric flat car is movably assembled on the main beam. The electric hoist is assembled on the electric flat car. One end of the lifting rope is connected to the electric hoist, and the other end of the lifting rope is away from the electric hoist.

7. The overhead crane according to claim 6, wherein The lifting member further includes a deviation correction component. The deviation correction component is assembled on the electric flat car for restricting the position of the lifting rope.

8. The overhead crane according to claim 7, characterized in that, The deviation correction component includes a mounting frame, a fixing rod, a fixing ring, a sliding slip ring, a support rod, a damping rod and a collar. The mounting frame is assembled on the electric flat car. The fixing rod is assembled on the mounting frame. The fixing ring is assembled on the fixing rod. The sliding slip ring is slidably assembled on the fixing rod. The support rod connects the fixing ring and the collar. The damping rod connects the sliding slip ring and the support rod. The part of the lifting rope close to the electric hoist passes through the collar.

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