Novel crane hook device

Abstract

The utility model relates to a novel crane hook device which comprises a cross beam, pulley shafts, a hook head and pulleys, the pulley shafts are respectively arranged at two ends of the cross beam, a hook handle at the upper end of the hook head is rotatably mounted in the middle of the cross beam, and the pulleys are mounted on the pulley shafts; the cross beam and the pulley shaft are designed into two symmetrical semicircular half shafts, grooves are formed in the inner sides of the middles of the half shafts, semicircular grooves are formed in the middles of the lower ends of the grooves, annular grooves are formed in the upper ends of the hook handles, the hook handles are located in the semicircular grooves of the two half shafts, the upper ends of the hook handles extend into the grooves of the two half shafts, and the outer sides of the annular grooves of the hook handles are sleeved with plane bearings. The left side and the right side in the annular groove of the hook handle are respectively provided with a semicircular paired block in a clamping mode, the two semicircular paired blocks are located on the plane bearing, and the upper faces of the two semicircular paired blocks are clamped in the hook handle sliding groove. The lifting hook has the advantages that the design is ingenious, the structure is reasonable and compact, the cross beam and the pulley shaft are designed into two half shaft structures, the grooves are designed on the inner sides of the half shafts to be combined with the semicircular ring paired blocks and the hook handle of the plane bearing paired lifting hook, and space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hoisting machinery, and particularly relates to a novel crane hook device. BACKGROUND

[0002] At present, crane hook groups are basically produced and manufactured according to the standard GB / T 10051. The hook group is composed of a hook head, a hook beam, a hook nut, a support plate, a pulley group, a pulley cover and the like. The hook head, the beam and the nut are standardized, and different work levels and hoisting capacities correspond to different material levels of components, such as Figure 1 .

[0003] Disadvantages:

[0004] 1. Standardization of the external dimensions improves the material level, and the safety factor of the plane bearing will decrease under the condition that the external dimensions remain unchanged.

[0005] 2. Because of the existence of the hook beam and the nut, and because they can only be below the center shaft of the pulley, the appearance size cannot be further compressed, and a large space is occupied. SUMMARY

[0006] In order to solve the above technical problems, the utility model provides a novel crane hook device, which is ingenious in design, reasonable and compact in structure, and saves space.

[0007] The technical scheme of the utility model:

[0008] A novel crane hook device, which comprises a beam, a pulley shaft, a hook head and a pulley, a section of thin shaft is arranged at each end of the beam to form a pulley shaft, a hook handle at the upper end of the hook head is rotatably installed at the middle position of the beam, and the pulley shaft is provided with the pulley; the beam and the pulley shaft are designed as two semicircular half shafts, a groove is formed in the middle inner side of the half shaft, a semicircular groove is formed in the middle lower end of the groove, a ring groove is formed in the upper end of the hook handle, the hook handle is located in the semicircular grooves of the two half shafts and the upper end of the hook handle extends into the groove inside the two half shafts, a plane bearing is sleeved outside the ring groove of the hook handle, and a semicircular ring pair block is respectively clamped in the ring groove of the hook handle and the plane bearing; the two semicircular ring pair blocks are located above the plane bearing and are clamped in the ring groove of the hook handle; the two half shafts are fixedly connected together by being buckled on the two semicircular rings and the plane bearing.

[0009] The upper end of the semicircular ring pair block is designed with a semicircular protrusion.

[0010] The two half shafts are buckled together, and a left-right penetrating mounting through hole is arranged at each end of the beam of the two half shafts close to the upper and lower positions; the two half shafts are connected through the left-right communicating mounting through hole by penetrating the mounting through hole through bolts and then locked and fixed by nuts.

[0011] The groove is designed as a semicircular groove.

[0012] The utility model discloses a clever design, reasonable and compact structure, beam and pulley axle design into two half axle structure, and design groove in half axle inner side combines semicircle ring pair of blocks and plane bearing pair hook handle, save space. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the schematic diagram of the prior lifting hook device.

[0014] Figure 2 It is the schematic diagram of the utility model.

[0015] Figure 3 It is the vertical sectional view of the beam assembly of the utility model.

[0016] Figure 4 It is the vertical sectional view of the beam of the utility model.

[0017] Figure 5 It is the horizontal sectional view of the beam of the utility model. DETAILED DESCRIPTION

[0018] Refer to the drawings Figures 1-5 A novel crane hook device, it includes beam 1, pulley axle 2, hook head 3 and pulley 4, beam 1 both ends are provided with a section thin axle and form pulley axle 2, the hook handle 31 of hook head 3 upper end is rotatably installed in the middle position of beam 1, pulley axle 2 upper surface is installed with pulley 4;The beam 1 and pulley axle 2 are designed into the symmetrical two half axle 10 of semicircular shape, the recess 11 is opened in the middle inner side of half axle 10, the semicircular groove 12 is opened in the middle lower end of recess 11, the ring groove 32 is opened in the upper end of hook handle 31, the hook handle 31 is located in the semicircular groove 12 of two half axle 10 and the upper end of hook handle 31 extends into the recess 11 of two half axle 10, the ring groove 32 of hook handle 31 is sleeved with plane bearing 5 outside, the ring groove 32 of hook handle 31 is also respectively clamped with a semicircle ring pair of blocks 6 left and right, two semicircle ring pair of blocks 6 are located on the upper surface of plane bearing 5 and are clamped in the sliding groove of hook handle 31 upper surface, two half axle 10 are fixedly connected together by buckling left and right two recesses 11 and are just buckled on the outside of two semicircle ring and plane bearing 5.

[0019] The upper end of the semicircle ring pair of blocks 6 is designed with a semicircle protrusion 61. The semicircle protrusion prevents the semicircle ring pair of blocks from coming off the ring groove, ensuring safety and reliability.

[0020] The two half axle 10 buckles left and right, and the beam 1 of the two half axle 10 is provided with a left-right through mounting through hole 101 near the upper and lower positions of the two ends, and the two half axle 10 is fixed by screwing through the left-right associated mounting through hole 101 and then locking with a nut.

[0021] The recess 11 is designed as a semicircular recess. The semicircular recess is designed to match the outer surface of the planar bearing and the semicircular ring block.

[0022] In use, the planar bearing is sleeved on the upper end of the hook handle, the two semicircular ring blocks are clamped in the ring groove of the hook handle, the semicircular ring block on one side and the planar bearing are placed in the recess of the half shaft on one side, the other half shaft is buckled to the other side of the semicircular ring block and the planar bearing, and then the two half shafts are fixed together through the bolt and the nut passing through the mounting through hole. At this time, the two ends of the two half shafts are also buckled to form the pulley shafts, the pulleys are rotatably installed on the pulley shafts through the bearings, the hook head can rotate in the combined cross beam, the semicircular ring block effectively locks the hook handle, and the hook handle cannot slip off, being safe and reliable. Meanwhile, the hook handle is directly installed in the cross beam, the size is small, the structure is compact, and space is saved.

Claims

1. A novel crane hook arrangement, characterised in that, It includes beam, pulley shaft, hook head and pulley, the beam two ends are respectively provided with a section of thin shaft to form pulley shaft, the hook handle of the hook head upper end is rotatably installed in the middle position of the beam, the pulley is installed on the upper surface of the pulley shaft, the beam and the pulley shaft are designed into two symmetrical semicircular half shafts, the recess is formed in the middle inner side of the half shaft, the semicircular groove is formed in the lower end middle of the recess, the ring groove is formed in the upper end of the hook handle, the hook handle is located in the semicircular groove of the two half shafts and the upper end of the hook handle extends into the recess of the two half shafts, the ring groove of the hook handle is sleeved with the plane bearing, the ring groove of the hook handle is also respectively clamped with a semicircular ring pair block, the two semicircular ring pair blocks are located on the plane bearing and the two semicircular ring pair blocks are clamped in the hook handle sliding groove, the two half shafts are fixedly connected together and the two recesses are just buckled on the outer side of the two semicircular rings and the plane bearing.

2. A novel crane hook arrangement as claimed in claim 1, characterized in that The upper end of the semicircular ring pair block is designed with semicircular convex.

3. A novel crane hook apparatus as claimed in claim 1, wherein, The two half shafts are buckled, the beam of the two half shafts is provided with a left-right through mounting through hole near the upper and lower positions of the two ends, the two half shafts are fixedly connected through the bolt penetrating the left-right associated mounting through hole and the nut locking.

4. A novel crane hook apparatus as claimed in claim 1, wherein, The recess is designed as semicircular recess.

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