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CN-224229119-U - Novel shaft coupling and crane rotary driving device

CN224229119UCN 224229119 UCN224229119 UCN 224229119UCN-224229119-U

Abstract

The utility model discloses a novel shaft coupling and a crane rotation driving device which are arranged between two groups of rotating shafts and are characterized by comprising two groups of connecting sleeves, wherein the two groups of connecting sleeves are connected with each other, the two groups of connecting sleeves are respectively sleeved on the outer walls of the two groups of rotating shafts, reinforcing sleeves are arranged on the two groups of connecting sleeves, the reinforcing sleeves are arranged between the connecting sleeves and the rotating shafts, positioning sleeves are sleeved on the outer walls of the reinforcing sleeves, the positioning sleeves and the reinforcing sleeves are coaxially arranged, and positioning bolts connected with the connecting sleeves are arranged on the positioning sleeves, so that the reinforcing sleeves are fixed between the connecting sleeves and the rotating shafts.

Inventors

  • YU HAO

Assignees

  • 江苏鼎盛重工有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (7)

  1. 1. The novel coupling is arranged between two groups of rotating shafts (20) and is characterized by comprising two groups of connecting sleeves (10), wherein the two groups of connecting sleeves (10) are connected with each other, and the two groups of connecting sleeves (10) are respectively sleeved on the outer walls of the two groups of rotating shafts (20); Two sets of all be provided with on adapter sleeve (10) and consolidate cover (30), consolidate cover (30) and set up between adapter sleeve (10) and rotation axis (20), the outer wall cover of consolidating cover (30) is equipped with positioning sleeve (40), positioning sleeve (40) and consolidate the coaxial setting of cover (30), be provided with the positioning bolt who is connected with adapter sleeve (10) on positioning sleeve (40) for positioning sleeve (40) will consolidate cover (30) and fix between adapter sleeve (10), rotation axis (20).
  2. 2. The novel coupling according to claim 1, wherein the reinforcing sleeve (30) comprises two groups of first reinforcing half rings (31) with the same structure, and the first reinforcing half rings (31) are provided with second reinforcing half rings (32); The positioning sleeve (40) is provided with a first positioning ring (41) and a second positioning ring (43), the first positioning ring (41) is sleeved on the outer walls of the two groups of first reinforcing semi-rings (31), and the second positioning ring (43) is sleeved on the outer walls of the two second reinforcing semi-rings (32).
  3. 3. The novel coupling according to claim 2, wherein a plurality of groups of first reinforcing blocks (311) are uniformly arranged between the two groups of first reinforcing semi-rings (31), a plurality of groups of first reinforcing grooves (11) are uniformly formed in the outer wall of the connecting sleeve (10), and the plurality of groups of first reinforcing grooves (11) are matched with the plurality of groups of first reinforcing blocks (311).
  4. 4. The novel coupling according to claim 3, wherein a plurality of groups of second reinforcing blocks (321) are uniformly arranged between the two groups of second reinforcing semi-rings (32), a plurality of groups of second reinforcing grooves (21) are uniformly formed in the outer wall of the rotating shaft (20), and the plurality of groups of second reinforcing grooves (21) are matched with the plurality of groups of second reinforcing blocks (321).
  5. 5. The novel coupling according to claim 4, wherein a reinforcing half-ring plate (33) is arranged between the first reinforcing half-ring (31) and the second reinforcing half-ring (32), and a plurality of groups of reinforcing holes (331) are uniformly formed in the reinforcing half-ring plate (33); A plurality of groups of positioning holes (42) are uniformly formed in the second positioning ring (43); a plurality of groups of connecting holes (12) are uniformly formed in the connecting sleeve (10); the reinforcing holes (331), the positioning holes (42) and the connecting holes (12) are matched in position and size, and the positioning bolts are arranged among the reinforcing holes (331), the positioning holes (42) and the connecting holes (12).
  6. 6. A novel coupling according to claim 1, wherein the two sets of rotating shafts (20) are respectively an output shaft of a driving motor and an input shaft of a reduction gearbox.
  7. 7. A crane rotation driving device characterized by comprising a novel coupling according to any one of the preceding claims 1-6.

Description

Novel shaft coupling and crane rotary driving device Technical Field The utility model relates to a novel coupling and a crane rotation driving device. Background In a rotary driving device of a heavy machine such as a crane, a coupling is used as a core transmission component for connecting a driving motor and a reduction gearbox, and the reliability and durability of the coupling directly affect the overall performance of the equipment. The traditional coupling adopts a rigid connection mode of key slot matching, torque is transmitted through a single key structure, stress concentration phenomenon is easy to occur in long-term operation, so that local abrasion of the key slot is aggravated, even key shearing failure is caused, the contact area of the traditional key connection is limited, circumferential sliding is easy to occur in the torque transmission process, connection looseness is caused, and the misalignment of a transmission system is caused when the connection is serious. Disclosure of utility model The utility model aims to provide a novel coupling and a crane rotation driving device, so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel coupling is arranged between two groups of rotating shafts and comprises two groups of connecting sleeves, wherein the two groups of connecting sleeves are connected with each other, and the two groups of connecting sleeves are respectively sleeved on the outer walls of the two groups of rotating shafts; The two sets of connecting sleeves are provided with reinforcing sleeves, the reinforcing sleeves are arranged between the connecting sleeves and the rotating shafts, the outer wall of each reinforcing sleeve is sleeved with a locating sleeve, the locating sleeves and the reinforcing sleeves are coaxially arranged, and the locating sleeves are provided with locating bolts connected with the connecting sleeves, so that the locating sleeves fix the reinforcing sleeves between the connecting sleeves and the rotating shafts. As an improvement of the technical scheme, the reinforcing sleeve comprises two groups of first reinforcing half rings with the same structure, and the first reinforcing half rings are provided with second reinforcing half rings; The positioning sleeve is provided with a first positioning ring and a second positioning ring, the first positioning ring is sleeved on the outer walls of the two groups of first reinforcing semi-rings, and the second positioning ring is sleeved on the outer walls of the two second reinforcing semi-rings. As an improvement of the technical scheme, a plurality of groups of first reinforcing blocks are uniformly arranged between the two groups of first reinforcing semi-rings, a plurality of groups of first reinforcing grooves are uniformly formed in the outer wall of the connecting sleeve, and the plurality of groups of first reinforcing grooves are matched with the plurality of groups of first reinforcing blocks. As an improvement of the technical scheme, a plurality of groups of second reinforcing blocks are uniformly arranged between the two groups of second reinforcing semi-rings, a plurality of groups of second reinforcing grooves are uniformly formed in the outer wall of the rotating shaft, and the plurality of groups of second reinforcing grooves are matched with the plurality of groups of second reinforcing blocks. As an improvement of the technical scheme, a reinforcing half ring plate is arranged between the first reinforcing half ring and the second reinforcing half ring, and a plurality of groups of reinforcing holes are uniformly formed in the reinforcing half ring plate; A plurality of groups of positioning holes are uniformly formed in the second positioning ring; A plurality of groups of connecting holes are uniformly formed in the connecting sleeve; The reinforcing holes, the positioning holes and the connecting holes are matched in position and size, and the positioning bolts are arranged among the reinforcing holes, the positioning holes and the connecting holes. As an improvement of the technical scheme, the two groups of rotating shafts are respectively an output shaft of the driving motor and an input shaft of the reduction gearbox. A crane rotation driving device, characterized in that: comprising a novel coupling as claimed in any one of the preceding claims. Compared with the prior art, the utility model has the beneficial effects that: Through setting up the cooperation of reinforcement cover and position sleeve, effectively improved the connection steadiness and the anti torsion ability between adapter sleeve and the rotation axis, the fastening effect of positioning bolt ensures simultaneously that the reinforcement cover is in axial and radial reliable location, reduce the not hard up risk in the transmission by a wide margin, moreover can strengthen torque transmission'