CN218778645U

CN218778645U - Gantry crane

Info

Publication number: CN218778645U
Application number: CN202223217218.1U
Authority: CN
Inventors: 李猛刚
Original assignee: Suzhou Deweierka Photoelectric Technology Co ltd
Current assignee: Suzhou Deweierka Photoelectric Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-31
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a gantry crane, it includes the portal frame and removes the wheel, it is in to remove the wheel the diapire of portal frame is close to the position department of four tip and all rotates and connect one, the top of portal frame is for connecting the crossbeam, sliding fit has the hoist engine on the connection crossbeam, be provided with the lifting rope on the hoist engine, the one end of lifting rope is connected with the lifting hook, be provided with the drive on the portal frame the drive assembly that the hoist engine removed, still be provided with the restriction subassembly on the portal frame, the restriction subassembly includes lifting beam and confinement ring, lifting beam sliding fit is in on the portal frame, be provided with the drive on the portal frame the lifting unit that lifting beam goes up and down, confinement ring sliding fit is in on the lifting beam, be provided with the retaining member on the confinement ring, the lifting rope passes the confinement ring, just the diameter of confinement ring can's unable holding the lifting hook passes through. The utility model discloses have the effect that improves the portal crane security.

Description

Gantry crane

Technical Field

The utility model belongs to the technical field of hoisting machinery and specifically relates to a gantry crane is related to.

Background

The curved surface position of large-scale head part needs dedicated laser cutting equipment to excise, owing to be laser cutting equipment, need work in the confined indoor, when the staff controlled cutting equipment cutting head outdoors, there was the waste material to drop, has radioactive substance on these waste materials, needs a special dolly of accepting the waste material at this moment, transports the waste material outdoors, at this moment need with the waste material, transports to appointed radioactive waste bin in, needs a portal crane that can remove.

Chinese patent No. CN212127316U discloses a mobile gantry crane, which includes a gantry hanger and a running trolley disposed below the gantry hanger; an electric hoist is connected below the running trolley, travel stop blocks are respectively arranged at the left end and the right end of the gantry hanging frame, and movable trundles are arranged at the bottom of the gantry hanging frame. The utility model relates to a portable portal crane is applicable to different places and lifts by crane, and the structure is simple and convenient, reduces manufacturing cost.

In view of the above related technologies, the inventor thinks that the waste is conveyed by using a gantry crane in the prior art, the gantry crane uses an electric hoist to hoist the waste and then pushes the gantry crane to transport the waste, however, when the waste is hoisted, if the waste is too high, the waste has inertia when the gantry crane moves, which causes the waste to swing, and there is a possibility that the waste is unhooked.

SUMMERY OF THE UTILITY MODEL

In order to improve portal crane's security, this application provides a portal crane.

The application provides a portal crane adopts following technical scheme:

the portal crane comprises a portal frame and moving wheels, wherein the moving wheels are arranged at positions, close to four end parts, of the bottom wall of the portal frame in a rotating mode, one end of the bottom wall of the portal frame is connected with a lifting hook, the top of the portal frame is connected with a cross beam, a winch is arranged on the cross beam in a sliding fit mode, a lifting rope is arranged on the winch, one end of the lifting rope is connected with the lifting hook, a driving component for driving the winch to move is arranged on the portal frame, a limiting component is further arranged on the portal frame and comprises a lifting cross beam and a limiting ring, the lifting cross beam is arranged on the portal frame in a sliding fit mode, a lifting component for driving the lifting cross beam to lift is arranged on the portal frame, the limiting ring is arranged on the lifting cross beam in a sliding fit mode, the locking component is locked on the lifting cross beam, the lifting rope penetrates through the limiting ring, and the locking component cannot be accommodated in the diameter of the lifting hook.

Through adopting above-mentioned technical scheme, when needs transportation waste material, the staff promotes the portal frame to the assigned position after, utilizes drive assembly to remove the hoist engine to suitable position, starts the hoist engine, and the lifting hook descends, and the lifting hook is hoisted the waste material afterwards, utilizes lifting unit control lifting beam to descend, reaches the position of lifting rope one end until the confinement ring, utilizes retaining member locking confinement ring afterwards, can promote the portal frame, has realized the effect of transportation waste material. The staff utilizes the restriction circle constraint lifting rope to reach the purpose that reduces by the waste material swing range of being hung, reduced by the possibility that the waste material of being hung touches the staff, improved the security of portal crane.

Optionally, the portal frame corresponds position department of lifting beam has the lift groove, the lift groove is on a parallel with lifting beam's moving direction, the inslot that goes up and down is connected with the guide bar, the guide bar is on a parallel with the lift groove, sliding fit has the elevator on the guide bar, the elevator with lifting beam connects.

Through adopting above-mentioned technical scheme, the lifting beam utilizes the sliding fit of elevator and guide bar to go up and down, makes the lifting beam move ground more stable.

Optionally, the lifting assembly comprises a lifting motor, a rotating gear and a fixed rack, the lifting motor is connected to the lifting block, the rotating gear is connected to an output shaft of the lifting motor, the fixed rack is connected to the portal frame and parallel to the lifting groove, and the rotating gear is meshed with the fixed rack.

Through adopting above-mentioned technical scheme, when the height of lift crossbeam was adjusted to needs, the staff started elevator motor, made the bull gear rotate, drove the elevator and go up and down, made the lift crossbeam go up and down, realized the effect of adjustment lift crossbeam height.

Optionally, the retaining member is locking bolt, it has a plurality of locking holes to open along its length direction on the lift crossbeam, the retaining member passes in proper order the retaining ring with the locking hole, and with locking hole screw-thread fit.

Through adopting above-mentioned technical scheme, when needs locking the restriction circle, the staff removes the restriction circle to suitable position, rotates the retaining member afterwards, realizes the effect of locking the restriction circle. The locking bolt is simple and convenient to operate, and the locking efficiency of the limiting ring is improved.

Optionally, the driving assembly comprises a driving motor, a rotating screw and a nut block, the rotating screw is rotatably connected to the connecting beam and parallel to the connecting beam, the driving motor is connected to the connecting beam and coaxially connected to the rotating screw, the nut block is in sliding fit with the connecting beam, a screw hole is formed in the nut block, the rotating screw penetrates through the screw hole and is in threaded fit with the screw hole, and the winch is connected to the nut block.

By adopting the technical scheme, when the working position of the winch needs to be adjusted, a worker starts the driving motor to rotate the rotating screw rod, so that the nut block moves, and the effect of adjusting the working position of the winch is realized.

Optionally, the gantry is connected with a fixed support rod.

Through adopting above-mentioned technical scheme, the fixed stay bar is used for strengthening the structural strength of portal frame.

Optionally, the two opposite fixed support rods are connected with a connecting rod therebetween, the connecting rod is rotatably connected with a rotating rod, and one end of the rotating rod, which is far away from the connecting rod, is connected with a pulling handle.

By adopting the technical scheme, the staff can only push the vertical rods on two sides of the portal frame when pushing the portal frame, so that one side of the portal frame is stressed, and the portal frame is deviated when moving. The staff can easily stimulate the portal frame through the cooperation of connecting rod, bull stick and pull handle, and has reduced the possibility of portal frame skew, has improved the conveying efficiency of portal frame.

Optionally, the movable wheel is a self-locking universal wheel.

Through adopting above-mentioned technical scheme, the portal crane all needs the portal frame motionless when hoisting or putting down the waste material, so just can accurately, hoist the waste material fast, perhaps put the waste material in accurate position. One side of the self-locking universal wheel is used for locking the portal frame, and the other side of the self-locking universal wheel is used for increasing the degree of freedom of movement of the portal frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the waste material is transported, the staff promotes the portal frame to the assigned position after, utilizes drive assembly to remove the hoist engine to suitable position, starts the hoist engine, and the lifting hook descends, and the lifting hook is hoisted the waste material afterwards, utilizes lifting unit control lifting beam to descend, and the position of restricting collar arrival lifting rope one end utilizes retaining member locking restricting collar afterwards, can promote the portal frame, has realized the effect of transporting the waste material. The staff utilizes the restriction circle constraint lifting rope to reach the purpose that reduces by the waste material swing range of being hung, reduced by the possibility that the waste material of being hung touches the staff, improved the security of portal crane.

Drawings

Fig. 1 is a schematic overall structure diagram of a gantry crane in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a driving assembly in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a lifting assembly in an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a limiting assembly in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a rotating rod and a pulling handle in the embodiment of the present application.

Description of reference numerals: 1. a gantry; 11. a moving wheel; 12. connecting the cross beam; 121. a dovetail groove; 13. a lifting groove; 14. a guide rod; 15. a lifting block; 16. a linear bearing; 17. fixing the support rod; 2. a winch; 21. a lifting rope; 22. a hook; 3. a drive assembly; 31. a drive motor; 32. rotating the screw; 33. a nut block; 331. a dovetail block; 4. a restraining component; 41. a lifting beam; 411. a T-shaped groove; 412. a locking hole; 42. a confinement ring; 421. a T-shaped block; 422. connecting blocks; 43. a locking member; 5. a lifting assembly; 51. a lifting motor; 52. a rotating gear; 53. fixing a rack; 6. a connecting rod; 61. a rotating shaft; 62. a rotating rod; 63. and (5) pulling the handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses portal crane. Referring to fig. 1, a gantry crane includes a gantry 1 and a moving wheel 11, the moving wheel 11 is rotatably connected to the positions of the bottom wall of the gantry 1 near the four ends of the gantry 1, and the moving wheel 11 can be a self-locking universal wheel. The top of portal frame 1 is for connecting crossbeam 12, and connecting crossbeam 12 has hoist engine 2 along its length direction sliding fit, is provided with drive assembly 3 of adjusting hoist engine 2 operating position on the portal frame 1, is provided with lifting rope 21 on the hoist engine 2, and the one end fixedly connected with lifting hook 22 of lifting rope 21 sets up the restriction subassembly 4 of the waste material amplitude of oscillation of restricting being hung on the portal frame 1.

When the waste material needs to be transported, the staff locks the universal wheel after pushing the portal frame 1 to the waste material position, utilizes the operating position of the driving component 3 to adjust the hoist 2, then starts the hoist 2, makes the lifting hook 22 descend, and the lifting hook 22 lifts up the waste material after hoisting the waste material, then utilizes the limiting component 4 to limit the lifting hook 22, unlocks the universal wheel afterwards, promotes the portal frame 1, has realized the effect of carrying the waste material.

Referring to fig. 2, the driving assembly 3 includes a driving motor 31, a rotating screw 32, and a nut block 33. The top wall of the connecting beam 12 is provided with a dovetail groove 121 along the length direction thereof, a dovetail block 331 is slidably fitted in the dovetail groove 121, and the nut block 33 is fixedly connected to the dovetail block 331. The rotating screw 32 is rotatably connected to the connecting beam 12 through a rotating frame, a screw hole is formed in the nut block 33 at a position corresponding to the rotating screw 32, and the rotating screw 32 penetrates through the screw hole and is in threaded fit with the screw hole. The drive motor 31 is bolted to the connecting beam 12 and is coaxially connected to the rotating screw 32.

When the working position of the winch 2 needs to be adjusted, the worker starts the driving motor 31 to rotate the rotating screw 32, so that the nut block 33 moves, and the effect of adjusting the working position of the winch 2 is achieved.

Referring to fig. 1, 3 and 4, the restricting assembly 4 includes a lifting beam 41 and a restricting ring 42. Portal frame 1 is close to the equal vertical division in both ends department of connecting crossbeam 12 length direction has lift groove 13, vertical fixedly connected with guide bar 14 in the lift groove 13, the cover is equipped with elevator 15 on the guide bar 14, fixedly connected with linear bearing 16 on the elevator 15, linear bearing 16 is located between elevator 15 and the guide bar 14, linear bearing 16 is used for reducing the frictional force between elevator 15 and the guide bar 14, lifting beam 41 fixed connection is between two elevator 15.

Referring to fig. 4, a T-shaped groove 411 is formed in the top wall of the lifting beam 41 along the length direction of the lifting beam, a T-shaped block 421 is slidably fitted in the T-shaped groove 411, a connecting block 422 is fixedly connected to the T-shaped block 421, a limiting ring 42 is fixedly connected to the connecting block 422, a lifting rope 21 of the winch 2 passes through the limiting ring 42, and the diameter of the limiting ring 42 cannot accommodate a lifting hook 22. The connecting block 422 is provided with a locking member 43, the locking member 43 can be a locking bolt, the top wall of the lifting beam 41 is provided with a plurality of locking holes 412 along the length direction, and the locking member 43 sequentially penetrates through the connecting block 422 and the locking holes 412 and is in threaded fit with the locking holes 412.

Referring to fig. 3, one of the lifting blocks 15 is provided with a lifting assembly 5, and the lifting assembly 5 includes a lifting motor 51, a rotating gear 52 and a fixed rack 53. The lifting block 15 is fixedly connected with a fixed frame, the lifting motor 51 is connected with the fixed frame through bolts, the rotating gear 52 is fixedly connected with an output shaft of the lifting motor 51, the fixed rack 53 is fixedly connected with the portal frame 1 and is parallel to the lifting groove 13, and the rotating gear 52 is meshed with the fixed rack 53.

When the swing amplitude of the waste material needs to be limited, a worker starts the lifting motor 51 to enable the rotating gear 52 to rotate, the lifting block 15 descends to drive the lifting beam 41 to descend, the limiting ring 42 descends until the lifting beam is close to the lifting hook 22, then the locking piece 43 is rotated to lock the limiting ring 42, and the effect of limiting the swing amplitude of the waste material is achieved. The staff utilizes the confinement ring 42 to restrict the lifting rope 21, so as to achieve the purpose of reducing the swing amplitude of the lifted waste in the transportation process, reduce the possibility that the lifted waste touches the staff, and improve the safety of the gantry crane.

Referring to fig. 1 and 5, in order to improve the structural strength of the gantry 1, a plurality of fixed support rods 17, four of which are taken as examples in the present embodiment, are fixedly connected to the gantry 1. Fixedly connected with connecting rod 6 between two fixed stay bars 17, the vertical fixedly connected with axis of rotation 61 of connecting rod 6 length direction's intermediate position department, articulated on the axis of rotation 61 have a bull stick 62, and the one end fixedly connected with pull handle 63 of axis of rotation 61 is kept away from to bull stick 62, and the cooperation of connecting rod 6, bull stick 62 and pull handle 63 makes things convenient for staff's pulling portal frame 1.

The implementation principle of a gantry crane in the embodiment of the application is as follows: when the wastes need to be conveyed, the worker pushes the portal frame 1 to the wastes by using the pulling handle 63, the moving wheel 11 is locked, then the driving motor 31 is started, the rotating screw 32 is rotated, the nut block 33 is moved, the winch 2 is started after being moved to a proper position, the hook 22 is lowered, the wastes are lifted, then the lifting motor 51 is started, the rotating gear 52 is rotated, the lifting block 15 is lowered, the lifting cross beam 41 is driven to be lowered, the limiting ring 42 is lowered until the position is close to the hook 22, then the locking piece 43 is rotated to lock the limiting ring 42, then the moving wheel 11 is loosened, the pulling handle 63 is pulled, the portal frame 1 is made to move, and the effect of conveying the wastes is achieved.

The staff utilizes the restricting ring 42 to restrict the lifting rope 21, so as to achieve the purpose of reducing the swing amplitude of the lifted waste, reduce the possibility that the lifted waste touches the staff, and improve the safety of the gantry crane.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a gantry crane, includes portal frame (1) and removes wheel (11), it all rotates one, its characterized in that to remove wheel (11) in the position department that the diapire of portal frame (1) is close to four tip: the top of portal frame (1) is for connecting crossbeam (12), sliding fit has hoist engine (2) on connecting crossbeam (12), be provided with lifting rope (21) on hoist engine (2), the one end of lifting rope (21) is connected with lifting hook (22), be provided with the drive on portal frame (1) drive assembly (3) that hoist engine (2) removed, still be provided with restriction subassembly (4) on portal frame (1), restriction subassembly (4) are including lifting beam (41) and restrictor ring (42), lifting beam (41) sliding fit is in on portal frame (1), be provided with the drive on portal frame (1) lifting assembly (5) that lifting beam (41) goes up and down, restrictor ring (42) sliding fit is in on lifting beam (41), be provided with on restrictor ring (42) with restrictor ring (42) lock retaining member (43) on lifting beam (41), lifting rope (21) pass restrictor ring (42), just the diameter of restrictor ring (42) can't hold lifting hook (22) passes through.

2. The gantry crane according to claim 1, wherein: portal frame (1) corresponds lifting beam (41)'s position department opens has lift groove (13), lift groove (13) are on a parallel with lifting beam (41)'s moving direction, lifting beam (13) in-connection has guide bar (14), guide bar (14) are on a parallel with lifting groove (13), sliding fit has elevator (15) on guide bar (14), elevator (15) with lifting beam (41) are connected.

3. A gantry crane according to claim 2, characterized in that: the lifting assembly (5) comprises a lifting motor (51), a rotating gear (52) and a fixed rack (53), the lifting motor (51) is connected to the lifting block (15), the rotating gear (52) is connected to an output shaft of the lifting motor (51), the fixed rack (53) is connected to the portal frame (1) and is parallel to the lifting groove (13), and the rotating gear (52) is meshed with the fixed rack (53).

4. The gantry crane according to claim 1, wherein: retaining member (43) are locking bolt, it has a plurality of locking holes (412) to open along its length direction on lifting beam (41), retaining member (43) pass in proper order curb ring (42) with locking hole (412), and with locking hole (412) screw-thread fit.

5. The gantry crane according to claim 1, wherein: drive assembly (3) include driving motor (31), rotate screw rod (32) and nut piece (33), it connects to rotate screw rod (32) connect on connecting crossbeam (12), and be on a parallel with connect crossbeam (12), driving motor (31) are connected connect on connecting crossbeam (12), and coaxial coupling in rotate screw rod (32), nut piece (33) sliding fit is in connect on crossbeam (12), it has the screw to open on nut piece (33), it passes to rotate screw rod (32) the screw, and with screw thread fit, hoist engine (2) are connected on nut piece (33).

6. The gantry crane according to claim 1, wherein: the portal frame (1) is connected with a fixed support rod (17).

7. The gantry crane according to claim 6, wherein: two be connected with connecting rod (6) between fixed support pole (17), it is connected with bull stick (62) to rotate on connecting rod (6), bull stick (62) are kept away from the one end of connecting rod (6) is connected with pull handle (63).

8. The gantry crane according to claim 1, wherein: the moving wheels (11) are self-locking universal wheels.