CN212356260U

CN212356260U - Anti-falling end beam of crane

Info

Publication number: CN212356260U
Application number: CN202020805221.7U
Authority: CN
Inventors: 齐国杨; 王洪昌; 王志永; 候同伟; 张振宇
Original assignee: Henan Shengqi Machinery Group Co ltd
Current assignee: Henan Shengqi Machinery Group Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-15
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses an anti-drop end beam of a crane, which comprises a shell, wherein a driving travelling wheel is arranged inside the left side of the shell, a driven travelling wheel is arranged inside the right side of the shell, a driving gear is fixed on the front side of the driving travelling wheel, the anti-drop end beam also comprises a rail bearing beam, the upper side of the rail bearing beam is provided with a rail, the front side of the rail is provided with a rack support, the upper side of the rack support is provided with a rack, the lower sides of the left part and the right part of the shell are symmetrically fixed with an anti-falling frame in front and back, the lower sides of the anti-falling frame are connected with anti-falling blocks, the front side and the back of the rail are symmetrically provided with anti-falling grooves, the front side and the back side of the rail bearing beam are respectively fixed with a side plate, the inner sides of the side plates are respectively provided with an anti-deviation rail, the outer sides of the left part and, an anti-deviation wheel bracket is fixed at the outer end of the screw rod, and an anti-deviation wheel is rotatably connected inside the anti-deviation wheel bracket; the utility model has the advantages of simple structure, safety, practicality, long service life, preventing the deviation and derailing.

Description

Anti-falling end beam of crane

Technical Field

The utility model belongs to the technical field of hoisting equipment, in particular to hoist anticreep type end beam.

Background

The crane end beam is a device for supporting a crane bridge and is provided with wheels which can horizontally move along a crane track to drive the crane and hang heavy objects to move, the crane usually can generate deviation when walking, the stress of the track is uneven, and the derailment phenomenon easily occurs when the crane is serious, the walking wheels are usually designed into double-side wheels by the existing anti-deviation end beam, namely, the gears are simultaneously installed on two sides of the walking wheels, although the deviation problem generated when the end beam walks is effectively solved, the double-side wheels have very high requirements on installation precision, the abrasion of the gears can be accelerated when the crane end beam is used, the service life of the crane end beam is prolonged, the production cost of the end beam is increased, meanwhile, the existing end beam does not have the anti-falling performance, when the track is used for a long time and the abrasion is serious, the derailment phenomenon easily occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist anticreep type end beam, have simple structure, safe practicality, long service life, prevent the off tracking and prevent the advantage of derailing.

In order to achieve the above object, the utility model provides a following technical scheme: a crane anti-drop end beam comprises a shell, wherein a driving travelling wheel is arranged inside the left side of the shell, a driven travelling wheel is arranged inside the right side of the shell, the driving travelling wheel and the driven travelling wheel are rotatably connected with the shell, a driving gear is fixed on the front side of the driving travelling wheel, a driving assembly is connected on the front side of the driving gear, the driving assembly is arranged outside the shell, the crane anti-drop end beam further comprises a rail bearing beam, a track is arranged on the upper side of the rail bearing beam, the driving travelling wheel and the driven travelling wheel are both arranged on the upper side of the track, a rack support is arranged on the front side of the track, a rack is arranged on the upper side of the rack support, the rack upper side is meshed with the driving gear, anti-drop frames are symmetrically fixed on the front and back of the left lower side and the right, the anticreep piece slides in anticreep inslot portion, the front and back side of support rail roof beam all is fixed with the curb plate, the curb plate inboard all is provided with prevents the inclined to one side rail, the outside of the left part of casing and right part all rotates and is connected with the screwed pipe, the inside meshing of screwed pipe has the lead screw, the outer end of lead screw is fixed with prevents inclined to one side and takes turns the support, prevent that inclined to one side takes turns the support internal rotation and is connected with prevents the inclined to one side wheel, prevent rolling connection between inclined to one side wheel and the prevention inclined to one side rail, the inner rotation of screwed pipe is connected in the casing lower part, the outside rotation of screwed.

Preferably, the driving assembly comprises a shell, a driving motor is arranged inside the shell, a brake is connected to the lower side of the driving motor, and a speed reducer is connected to the lower side of the brake.

Preferably, a plurality of reinforcing ribs are arranged inside the shell.

Preferably, the right side of the support frame is fixed to the side wall of the shell.

Preferably, the inner end and the outer part of the threaded pipe are provided with a shaft seat for supporting the threaded pipe to rotate.

Preferably, the outer end of the threaded pipe is provided with a locknut, and the locknut is meshed with the outer side of the screw rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model has the advantages that the anti-deviation wheel and the anti-deviation rail are arranged, the anti-deviation wheel has good anti-deviation effect, the driving walking wheel and the driven walking wheel can walk along the direction of the rail, the accelerated abrasion caused by the extrusion of the driving walking wheel and the driven walking wheel to the rail during the operation is avoided, the service life of the anti-deviation wheel is reduced, meanwhile, the anti-deviation wheel is convenient to be arranged on the anti-deviation wheel by arranging the threaded pipe and the threaded rod, the anti-deviation block and the anti-deviation groove are arranged, the driving walking wheel and the driven walking wheel can be ensured to always walk on the rail, the derailment phenomenon caused by the serious abrasion of the rail after long-time use is avoided, the occurrence of the slipping phenomenon can be avoided by arranging the driving gear at the front side of the driving walking wheel, meanwhile, the structure can avoid the bearing of, through setting up lock nut, can avoid the in-process of ground jack operation, the screwed pipe produces not hard up because of the vibration.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic bottom view of the housing according to the present invention.

Figure 3 is the structure schematic diagram of the right view of the driving wheel and the track of the utility model

In the figure: 1. the anti-deviation device comprises a shell, 2, driving traveling wheels, 3, driven traveling wheels, 4, a driving gear, 5, a driving assembly, 6, a rail bearing beam, 7, a rail, 8, a rack support, 9, a rack, 10, an anti-deviation frame, 11, an anti-deviation block, 12, an anti-deviation groove, 13, a threaded pipe, 14, a lead screw, 15, an anti-deviation wheel support, 16, an anti-deviation wheel, 17, an anti-deviation rail, 18, a side plate, 19, a support frame, 20, a locknut, 21 and reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a crane anti-drop end beam, including a housing 1, a driving traveling wheel 2 is disposed inside the left side of the housing 1, a driven traveling wheel 3 is disposed inside the right side of the housing 1, the driving traveling wheel 2 and the driven traveling wheel 3 are both rotatably connected to the housing 1, a driving gear 4 is fixed on the front side of the driving traveling wheel 2, a driving assembly 5 is connected on the front side of the driving gear 4, the driving assembly 4 is disposed outside the housing 1, the crane anti-drop end beam further includes a rail bearing beam 6, a rail 7 is disposed on the upper side of the rail bearing beam 6, the driving traveling wheel 2 and the driven traveling wheel 3 are both disposed on the upper side of the rail 7, a rack support 8 is disposed on the front side of the rail 7, a rack 9 is disposed on the upper side of the rack support 8, the rack 9 is engaged with the driving gear 4, anti-, anticreep frame 10 downside is connected with anticreep piece 11, the symmetry is provided with anticreep groove 12 around track 7, anticreep piece 11 slides inside anticreep groove 12, the front and back side of support rail roof beam 6 all is fixed with curb plate 18, curb plate 18 inboard all is provided with prevents inclined to one side rail 17, the left part of casing 1 and the outside of right part all rotate and are connected with screwed pipe 13, the inside meshing of screwed pipe 13 has lead screw 14, the outer end of lead screw 14 is fixed with prevents inclined to one side wheel support 15, prevent that inclined to one side wheel support 15 inside rotates and be connected with prevents inclined to one side wheel 16, roll connection between preventing inclined to one side wheel 16 and the preventing inclined to one side rail 17, the inner rotation of screwed pipe 13 is connected in casing 1 lower part, the outside rotation of screwed pipe 13 is connected with support frame 19.

In order to drive the rotation of the driving traveling wheel 2 and the driving gear 4, in this embodiment, it is preferable that the driving assembly 5 includes a housing, a driving motor is disposed inside the housing, a brake is connected to a lower side of the driving motor, and a speed reducer is connected to a lower side of the brake.

In order to enhance the overall mechanical performance of the housing 1, in the present embodiment, it is preferable that the housing 1 is provided with a plurality of reinforcing ribs 25 inside.

In order to fix the supporting frame 19, in the present embodiment, it is preferable that the lower side of the supporting frame 19 is fixed to the side wall of the housing 1.

In order to support the rotation of the threaded pipe 13, in the present embodiment, it is preferable that the threaded pipe 13 is provided with a bearing for supporting the rotation thereof at both the inner end and the outer end.

In order to avoid the looseness of the threaded pipe 13 caused by the influence of vibration during the operation of the crane, in the embodiment, it is preferable that the outer end of the threaded pipe 13 is provided with a locknut 20, and the locknut 20 is engaged with the outer side of the screw rod 14.

The utility model discloses a theory of operation: during installation, the threaded pipe 13 is rotated, the lead screw 14 moves outwards under the meshing of the threaded pipe 13, the lead screw 14 drives the anti-deviation wheel 16 to move towards the anti-deviation rail 17 until the anti-deviation wheel 16 is tightly attached to the anti-deviation rail 17, then the locknut 20 is rotated, one side of the locknut 20 is tightly attached to the outer end of the threaded pipe 13, so that the threaded pipe 13 is fastened, the loosening phenomenon of the threaded pipe 13 caused by vibration in the operation process of the crane can be avoided, the anti-deviation wheel 16 simultaneously supports the front side and the rear side of the shell 1, the driving travelling wheel 2 and the driven travelling wheel 3 can always move along the direction of the track 7, the generation of the rail deviation and rail biting phenomenon is avoided, during operation, the driving assembly 5 is started, the driving assembly 5 drives the driving gear 4 and the driving travelling wheel 2 to rotate, the driving travelling wheel 2 drives the driven travelling wheel 3 to rotate through the shell 1, thereby realize the walking of end beam, the downside meshing of drive gear 4 has rack 9, thereby drive initiative walking wheel 2 and driven walking wheel 3 and roll on track 7, can be fine through drive gear 4 and rack 9 avoid producing the phenomenon of skidding between initiative walking wheel 2 and driven walking wheel 3 and the track 7, in-process casing 1 at the walking drives anticreep piece 11 and slides in anticreep groove 12 all the time, it is serious to give birth to the slope when casing 1, when anticreep wheel 16 breaks away from anticreep rail 17, because anticreep groove 12 restricts anticreep piece 11 wherein all the time, thereby avoid casing 1 to continue to incline, and then avoid initiative walking wheel 2 and driven walking wheel 3 derail, this kind of mode can be to the dual protection of preventing partially of casing line, thereby guarantee stability and the security of machine operation in-process among them.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hoist anticreep type end beam, includes the casing, its characterized in that: the anti-slip device is characterized in that a driving travelling wheel is arranged in the left side of the shell, a driven travelling wheel is arranged in the right side of the shell, the driving travelling wheel and the driven travelling wheel are rotatably connected with the shell, a driving gear is fixed on the front side of the driving travelling wheel, the front side of the driving gear is connected with a driving assembly, the driving assembly is arranged on the outer side of the shell, the anti-slip device also comprises a rail bearing beam, a track is arranged on the upper side of the rail bearing beam, the driving travelling wheel and the driven travelling wheel are both arranged on the upper side of the track, a rack support is arranged on the front side of the track, a rack is arranged on the upper side of the rack support, the upper side of the rack is meshed with the driving gear, anti-slip frames are symmetrically fixed on the front and back of the lower sides of the left part and the right part of the shell, anti, the curb plate inboard all is provided with prevents the inclined to one side rail, the outside of the left part and the right part of casing all rotates and is connected with the screwed pipe, the inside meshing of screwed pipe has the lead screw, the outer end of lead screw is fixed with prevents inclined to one side wheel support, prevent that the inside rotation of inclined to one side wheel support is connected with prevents the inclined to one side wheel, roll connection between preventing the inclined to one side wheel and preventing the inclined to one side rail, the inner rotation of screwed pipe is connected in the casing lower part, the outside rotation of screwed pipe is connected with the support frame.

2. The crane drop-proof end beam according to claim 1, characterized in that: the drive assembly comprises a shell, a drive motor is arranged in the shell, a brake is connected to the lower side of the drive motor, and a speed reducer is connected to the lower side of the brake.

3. The crane drop-proof end beam according to claim 1, characterized in that: a plurality of reinforcing ribs are arranged inside the shell.

4. The crane drop-proof end beam according to claim 1, characterized in that: the lower side of the support frame is fixed on the side wall of the shell.

5. The crane drop-proof end beam according to claim 1, characterized in that: and the inner end and the outer part of the threaded pipe are both provided with a shaft seat for supporting the threaded pipe to rotate.

6. The crane drop-proof end beam according to claim 1, characterized in that: the outer end of the threaded pipe is provided with a locknut, and the locknut is meshed with the outer side of the screw rod.