CN216155286U - Universal lifting ring convenient for replacing bolt - Google Patents

Abstract

The utility model discloses a universal hanging ring convenient for replacing a bolt, which comprises a U-shaped hanging ring, a rotary bearing block, a bushing and a bolt, the two ends of the U-shaped hanging ring are integrally formed with assembling rings, the rotating bearing block is of a bushing structure, the bearing center is provided with a through mounting hole, a pair of connecting shafts extend from the outer side of the bearing center, the connecting shafts are inserted into the assembling rings and are matched with retaining rings to realize the assembly of the rotating bearing block and the U-shaped hanging ring, the mounting hole comprises a matching section and an assembling section, the aperture of the assembling section is larger than that of the matching section, a step surface is formed between the assembling section and the matching section, a circle of retainer ring groove is arranged on the inner wall of the mounting hole of the assembling section, the lower end of the bushing is integrally formed with a gasket, the upper end of the bushing is mounted with the matching section through an assembly structure, the bolt penetrates through the bushing, the flange surface is arranged on the step surface, and the elastic retainer ring is clamped into the retainer ring groove to realize the assembly of the bolt and the rotary bearing block. The utility model has high flexibility, can realize rotation in multiple directions, and has high safety performance and convenient disassembly and assembly.

Description

Universal lifting ring convenient for replacing bolt

Technical Field

The utility model relates to a lifting ring, in particular to a universal lifting ring convenient for replacing a bolt.

Background

With the increase of large-scale hoisting equipment, more and more products need to be assembled by hoisting, such as precast concrete structures in the building industry, large-scale molds in the mold industry and large-scale equipment in the automation industry, which need to be hoisted, and in the hoisting process, hoisting rings are needed to be matched with threaded bushings to realize connection with a crane.

The existing hanging rings are generally fixed and rotary. The main drawbacks and disadvantages of these two rings include:

in the using process of the fixed type hanging ring, the fixed type hanging ring cannot rotate, so that the fixed type hanging ring is difficult to connect and install under the condition that a hung object needs to be rotated or turned over firstly, and the whole connecting and hoisting process is very troublesome, so that the use of the fixed type hanging ring is limited by application occasions.

The rotary lifting ring is matched with a bolt through a mounting hole in the fixed bearing block, and the rotation of the lifting ring is realized through a pair of connecting shafts outside the bearing block. Although can rotate, the complex flexibility ratio is poor between each part, produces the jamming phenomenon easily, and the bolt in current rotation type hanging ring can't be changed moreover, when bolt wearing and tearing reached the safety wear limit, can only carry out whole hoist and change to whole replacement cost is higher, and the bolt of wearing and tearing has great potential safety hazard in the use moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the universal lifting ring convenient for replacing the bolt, which has high flexibility and can realize rotation in multiple directions, and the bolt and the rotating bearing block are assembled by the check ring and can be disassembled and replaced, so that the replacement cost is reduced, and the safety performance is improved by timely replacement.

In order to achieve the purpose, the utility model provides the following technical scheme: a universal lifting ring convenient for replacing a bolt comprises a U-shaped lifting ring, a rotary bearing block, a bushing and a bolt, wherein assembly rings are integrally formed at two ends of the U-shaped lifting ring, the rotary bearing block is of a bushing structure, a through mounting hole is formed in a bearing center, a pair of connecting shafts extend from the outer side of the rotary bearing block and penetrate through the assembly rings, the assembly of the rotary bearing block and the U-shaped lifting ring is realized through a matching retaining ring, the mounting hole comprises a matching section and an assembly section, the matching section is positioned below the mounting hole, the assembly section is positioned above the mounting hole, the aperture of the assembly section is larger than that of the matching section, so that a step surface is formed between the assembly section and the mating section, a circle of retaining ring groove is formed in the inner wall of the mounting hole of the assembly section, a gasket is integrally formed at the lower end of the bushing, the upper end of the bushing is arranged in the matching section of the mounting hole, the bolt is installed with the matching section through the assembly structure, an external thread is arranged on the surface of the free end of the bolt, and the bolt passes through the bushing, the flange surface is arranged on the step surface, and the elastic retainer ring is clamped into the retainer ring groove to realize the assembly of the bolt and the rotary bearing block.

Preferably, the assembly structure comprises an inverted triangle limit ring arranged on the inner wall of the matching section and a regular triangle limit ring arranged on the outer wall of the upper end of the bushing and matched with the inverted triangle limit.

Preferably, the assembly structure comprises a first limit groove arranged on the inner wall of the matching section, a second limit groove arranged on the outer wall of the upper end of the bushing in a surrounding manner, and a lug-free elastic check ring, wherein the first limit groove is opposite to the second limit groove, and the lug-free elastic check ring is clamped between the first limit groove and the second limit groove.

Preferably, the elastic collar is a collar with ears.

Preferably, the inner side surface of the assembly ring is provided with a C angle, the joint of the connecting shaft and the rotary bearing block is transited through an arc-shaped unloading groove, and the arc-shaped unloading groove is matched with the C angle of the inner side surface of the assembly ring.

Preferably, the outer side surface of the assembling ring is provided with a C angle, and after the connecting shaft is inserted, the retainer ring at the end part is positioned in the C angle.

Preferably, the section of the U-shaped hanging ring is rectangular, and the front side and the back side of the U-shaped hanging ring are provided with indentation grooves.

Preferably, after the bushing and the rotary bearing block are assembled, the upper end face of the bushing is flush with the step face, and a gap is formed between the washer and the rotary bearing block.

Compared with the prior art, the universal hanging ring convenient for replacing the bolt disclosed by the utility model has the following beneficial effects:

the U-shaped hoisting ring and the rotary bearing block are connected by hot forging processing, so that the connection reliability between the U-shaped hoisting ring and the rotary bearing block is ensured, the overall safety is improved, and the curved surface structure is adopted between matching surfaces, so that the rotation flexibility during matching is increased, and the clamping stagnation is avoided;

the bolt is directly assembled with the rotary bearing block, the structure of the bolt head part of the bolt is changed, and the assembly is realized by adopting the elastic retainer ring, so that the assembly structure can realize quick disassembly without loosening, the bolt is convenient to replace at the later stage, and the use safety is ensured;

u type rings adopt the rectangle structure, and the indentation groove that sets up simultaneously on the surface, this structure also reduced the dead weight of this hoist when strengthening mechanical physical strength such as this hoist tensile and aesthetic property, ensured holistic life.

Drawings

FIG. 1 is a schematic partial cross-sectional view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an exploded view of the first embodiment of the present invention;

FIG. 5 is a partial cross-sectional structural view of a second embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

fig. 7 is an exploded view of a second embodiment of the present invention.

In the figure: 1-U-shaped lifting ring, 2-rotating bearing block, 3-bolt, 4-bushing, 5-gasket, 6-elastic retainer ring, 7-first limiting groove, 8-second limiting groove, 9-earless elastic retainer ring, 11-assembly ring, 12-C angle, 13-indentation groove, 21-mounting hole, 22-connecting shaft, 23-arc unloading groove, 24-retainer ring, 25-step surface, 26-retainer ring groove, 211-matching section, 212-assembly section, 213-inverted triangle limiting, 31-flange surface, 32-external thread and 41-positive triangle limiting.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

First embodiment

As shown in fig. 1-4, the universal hanging ring convenient for bolt replacement provided by the utility model comprises a U-shaped hanging ring 1, a rotating bearing block 2, a bolt 3, a bushing 4, a washer 5 and an elastic retainer ring 6, wherein two ends of the U-shaped hanging ring are integrally formed with an assembly ring 11, the middle of the assembly ring is an assembly hole, two sides of the assembly hole are provided with a C-angle 12, the cross section of the U-shaped hanging ring is of a rectangular structure, and two sides of the square of the U-shaped hanging ring are provided with indentation grooves 13 for enhancing the overall strength and compactness of the U-shaped hanging ring and simultaneously chamfering the edge of the U-shaped hanging ring.

Rotatory bearing block is the bush structure, the center has mounting hole 21 that runs through, the outside side extends has a pair of connecting axle 22, this connecting axle cartridge is in the assembly ring, and the connecting axle passes through arc off-load groove 23 with the junction of rotatory bearing block and passes through, after the assembly, the cooperation of arc off-load groove and the inboard C angle of assembly ring, realize the curved surface contact, the flexibility ratio when strengthening the rotation, after the connecting axle inserts the assembly hole, realize the assembly at tip cooperation retaining ring 24, because the assembly hole outside also is equipped with the C angle, so the retaining ring is located the C angle after the assembly, can avoid in the use retaining ring to damage or drop because of external collision.

The mounting hole includes the cooperation section 211 of below and the assembly section 212 of top, the aperture of assembly section is greater than the aperture of cooperation section to the transition position of assembly section and cooperation section forms step face 25, the inner wall of cooperation section is fitted with a contraceptive ring and is equipped with down the spacing 213 of triangle, and this spacing evagination of triangle is in cooperation section inner wall, and the upper surface is horizontal, be equipped with round retainer ring groove 26 on the mounting hole inner wall of assembly section.

The bush cartridge is in the mounting hole, with the assembly of cooperation section, its lower extreme integrated into one piece has packing ring 5, it is spacing 41 to trade positive triangle on the upper end outer wall, this positive triangle spacing lower terminal surface is the level, the bush inserts in the mounting hole of rotatory bearing block from the below, positive triangle spacing and the spacing interference fit of inverted triangle (as shown in figure 2), this specific assembly can heat earlier both and make and cool off the back, the spacing upper surface of inverted triangle is spacing with the spacing lower terminal surface of positive triangle mutually supporting, the bush can rotate relatively again with rotatory bearing block mutually assembling this moment, the jamming problem appears when avoiding later stage to use, after bush and rotatory bearing block assembly, the up end and the step face of bush, the packing ring of lower extreme then flushes with rotatory bearing block has the certain clearance between.

The bolt is a shoulder bolt, a flange face 31 is arranged on the outer wall of the bolt close to the bolt head, an external thread 32 is arranged on the surface of the free end, the bolt is inserted into the bushing during assembly, the flange face is placed on the step face and is clamped into the retainer ring groove in a matching mode, and then the bolt and the rotary bearing block can be assembled (as shown in figure 3), the retainer ring can be of various structures, and the most preferable retainer ring with holes is convenient to disassemble and replace when the bolt is worn and needs to be replaced.

Second embodiment

In this embodiment, an assembly structure of a bushing and a mounting hole is improved on the basis of the first embodiment, as shown in fig. 5 to 7, a first limit groove 7 is formed in an inner wall of a fitting section of the mounting hole, a second limit groove 8 is annularly formed in an outer wall of an upper end of the bushing, a non-ear elastic collar 9 is clamped between the first limit groove and the second limit groove to be assembled, the non-ear elastic collar is clamped into the second limit groove, the non-ear elastic collar is completely arranged in the second limit groove through a collar clamp and then inserted into the mounting hole, when the second limit groove is aligned with the first limit groove, the non-ear elastic collar is clamped between the two to be assembled, an upper end face of the assembled bushing is flush with a step face, and a certain gap is formed between a gasket at a lower end and a rotating bearing block.

According to the universal hanging ring convenient for replacing the bolt, when the universal hanging ring is used, the lower part of the bolt is screwed into the threaded bushing prefabricated in a concrete member, and then the steel wire rope or other iron rings penetrate through the U-shaped hanging ring to be connected with a crane, so that the concrete member is hoisted, when the bolt needs to be replaced, the bolt can be separated from the rotating bearing block only by disassembling the elastic check ring 6, and the universal hanging ring is convenient and quick.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an universal rings convenient to change bolt, includes U type rings, rotatory bearing block, bush, bolt, U type rings both ends integrated into one piece has the collar, rotatory bearing block is the bush structure, and the bearing center has the mounting hole that runs through, and the outside is extended there is a pair of connecting axle, and the connecting axle alternates in the collar, and the assembly of rotatory bearing block and U type rings is realized to the cooperation retaining ring, its characterized in that: the mounting hole includes cooperation section and assembly section, and the cooperation section is located the below, and the assembly section is located the top, and the aperture of assembly section is greater than cooperation section aperture to form the step face each other, be equipped with the round on the mounting hole inner wall of assembly section and keep off the ring groove, the lower extreme integrated into one piece of bush has the packing ring, and the cooperation section of mounting hole is arranged in to the upper end, through assembly structure and cooperation section installation, the bolt is shoulder bolt, and its free end surface is equipped with the external screw thread, and the bolt passes the bush, and on the step face was arranged in to its flange face, cooperation circlip card income kept off the ring inslot and realizes the assembly of bolt and rotatory bearing block.

2. The universal lifting ring convenient for replacing the bolt as claimed in claim 1, wherein: the assembly structure comprises an inverted triangle limit ring arranged on the inner wall of the matching section and a regular triangle limit ring arranged on the outer wall of the upper end of the bushing and matched with the inverted triangle limit ring.

3. The universal lifting ring convenient for replacing the bolt as claimed in claim 1, wherein: the assembly structure comprises a first limiting groove arranged on the inner wall of the matching section, a second limiting groove arranged on the outer wall of the upper end of the lining sleeve in a surrounding mode and a lug-free elastic check ring, wherein the first limiting groove is opposite to the second limiting groove, and the lug-free elastic check ring is clamped between the first limiting groove and the second limiting groove.

4. The universal lifting ring convenient for replacing the bolt as claimed in claim 1, wherein: the elastic check ring is an elastic check ring with ears.

5. The universal lifting ring convenient for replacing the bolt as claimed in claim 1, wherein: the inner side surface of the assembling ring is provided with a C angle, the joint of the connecting shaft and the rotary bearing block is transited through an arc unloading groove, and the arc unloading groove is matched with the C angle of the inner side surface of the assembling ring.

6. The universal lifting ring convenient for replacing the bolt as claimed in claim 5, wherein: the outer side surface of the assembling ring is provided with a C angle, and after the connecting shaft is inserted, the retainer ring at the end part is positioned in the C angle.

7. The universal lifting ring convenient for replacing the bolt as claimed in claim 1, wherein: the U-shaped hoisting ring is rectangular in cross section, and indentation grooves are formed in the front side surface and the back side surface of the U-shaped hoisting ring.

8. The universal lifting ring convenient for replacing the bolt as claimed in claim 1, wherein: after the bushing and the rotary bearing block are assembled, the upper end face of the bushing is flush with the step face, and a gap is reserved between the washer and the rotary bearing block.

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