CN112303180B

CN112303180B - Damping device of combined type lifting equipment

Info

Publication number: CN112303180B
Application number: CN202011546668.8A
Authority: CN
Inventors: 杜金凤; 吕文龙; 韩昆朋; 程天鹏; 何婧
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-03-23
Anticipated expiration: 2040-12-24
Also published as: CN112303180A

Abstract

The invention discloses a damping device of a combined type lifting device, which comprises a fixed frame, an anti-swing box body, a first fixed pulley, a second fixed pulley, a first buffer pulley, a second buffer pulley and a fixed pulley fixing frame, wherein the first fixed pulley and the second fixed pulley are arranged on the fixed pulley fixing frame; the vibration damping device is novel in structural design, convenient to install, safe and reliable, and can be used for buffering and filtering vibration force and reducing damage of the vibration force to lifting equipment.

Description

Damping device of combined type lifting equipment

Technical Field

The invention relates to the technical field of shock absorption of lifting equipment, in particular to a shock absorption device of combined type lifting equipment.

Background

Along with the rapid development of industry, the lifting equipment is widely applied to various industries, the labor force can be reduced, and the operation efficiency is improved. Wire rope is the direction that rises through the pulley change, current pulley is mostly fixed knot constructs, do not possess absorbing function, when rising to rise can shake the goods, the power that the vibrations produced can convey the pulley through wire rope, then convey to lifting equipment, can take lifting equipment to shake together, can lead to some spare parts not hard up, take place to drop even, there is certain danger, when the goods with the lifting hook when not on same straight line, in the twinkling of an eye that the goods rises, can produce the swing, will swing power transmission to lifting equipment through wire rope, the damping device who plays to rise equipment of combined type has been proposed to this problem.

Disclosure of Invention

The invention aims to overcome the existing defects and provides a damping device of a combined type lifting device, which has novel structural design, convenient installation, safety and reliability, can buffer and filter vibration force, reduce the damage of the vibration force to the lifting device, effectively prevent the influence of the swing force on a pulley, ensure the safe and reliable operation of the lifting device and effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a damping device of a combined type lifting device comprises a fixed frame, an anti-swing box body, a first fixed pulley, a second fixed pulley, a first buffering pulley, a second buffering pulley and a fixed pulley fixing frame, wherein the first fixed pulley and the second fixed pulley are arranged on the fixed pulley fixing frame, the anti-swing box body is connected with the lower end of the fixed pulley fixing frame, the fixed frame is fixedly connected with the fixed pulley fixing frame, the lower end of the fixed frame is provided with a fixed seat, the first buffering frame is arranged on the first buffering pulley, the second buffering frame is arranged on the second buffering pulley, a limiting sliding block is respectively and fixedly connected onto the first buffering frame and the second buffering frame, a limiting sliding groove is arranged on the fixed frame and is in sliding connection with the limiting sliding groove, a first stress plate and a second stress plate are arranged on the fixed frame, and a second spring is arranged between the first stress plate and the first buffering frame, be provided with the third spring between second atress board and the second buffer frame, the outside at second spring middle part is provided with first spring overcoat, and the outside at third spring middle part is provided with second spring overcoat, is connected with first limiting plate between first spring overcoat and the fixed pulley mount, is provided with first rubber post on the first limiting plate, is connected with the second limiting plate between second spring overcoat and the fixed pulley mount, be provided with the second rubber post on the second limiting plate, the middle part of preventing putting the box is provided with the sleeve pipe, and the sheathed tube outside is provided with the overcoat, is provided with first spring between the inner wall of overcoat and preventing putting the box.

Furthermore, an installation seat is arranged below the fixed seat, a rubber block is arranged between the installation seat and the fixed seat, corresponding grooves are arranged on the connection surface of the fixed seat and the installation seat, the rubber block is arranged in the grooves, the rubber block is limited by the groove, the contact area between the rubber block and the fixed seat and the mounting seat is increased, the fixation is firmer, simultaneously, the vibration force is reduced and transmitted to the mounting seat, the upper surface and the lower surface of the rubber block are respectively provided with an embedded bolt, the fixing seat and the mounting seat can be reliably connected together through the embedded bolt, the mounting is convenient, a fourth spring is arranged between the rubber blocks, the supporting force of the fixing seat is increased through the fourth spring, so that the structure is safe and reliable, the cross section of the mounting seat is of an L-shaped structure, the mounting hole is formed in the mounting seat, and the mounting device is convenient to mount and fix through the mounting seat.

Further, sheathed tube upper end and lower extreme set up to tubaeform structure, be provided with wear-resisting bush on the sheathed tube inner wall, improve sheathed tube wear resistance through wear-resisting bush, extension sheathed tube life, the sleeve pipe can reduce wire rope's swing, reduce wire rope to the influence of second fixed pulley, the overcoat in the sleeve pipe outside is the rectangle structure with preventing putting the box, first spring sets up respectively on four faces that the overcoat corresponds with preventing putting the box, the first spring quantity that sets up on each corresponding face is no less than 3, and equidistant distribution of first spring, wire rope and sheathed tube soft contact have been realized through first spring, wire rope's oscillating force can be cushioned, avoid wire rope and sheathed tube rigid contact.

Furthermore, be provided with the bracing between anti-swing box and the fixing base, make more firm that anti-swing box connects through the bracing.

Furthermore, first fixed pulley and second fixed pulley are on same straight line, and first buffering pulley setting is in the right side below of first fixed pulley, and second buffering pulley setting is in the upper left side of second fixed pulley, and the second fixed pulley is located the sheathed tube directly over, can filter and cushion the shaking force that wire rope brought through first buffering pulley and second buffering pulley, reduces the influence of shaking force to rising equipment.

Further, first rubber column and second rubber column set up to 2 respectively, and first rubber column symmetry sets up in the both sides of second spring, and second rubber column symmetry sets up in the both sides of third spring, protects first buffer frame and second buffer frame respectively through first rubber column and second rubber column, protects second spring and third spring simultaneously, prevents that second spring and third spring from making second spring and third spring take place elastic deformation because of the atress is too big.

Compared with the prior art, the invention has the beneficial effects that: this damping device of combined type plays to rise equipment has following benefit:

1. the groove is formed in the fixing seat, the rubber block is limited through the groove, the contact area of the rubber block with the fixing seat and the mounting seat is increased, the fixing is firmer, meanwhile, the vibration force is reduced and transmitted to the mounting seat, the fixing seat and the mounting seat can be reliably connected together through the embedded bolt, the mounting is convenient, the supporting force of the fourth spring on the fixing seat is increased, and the structure is safe and reliable.

2. The wear-resistant bushing is arranged on the hoisting device, the wear resistance of the sleeve is improved through the wear-resistant bushing, the service life of the sleeve is prolonged, the sleeve can reduce the swing of the steel wire rope and the influence of the steel wire rope on the second fixed pulley, the soft contact between the steel wire rope and the sleeve is realized through the first spring, the swing force of the steel wire rope can be buffered, the hard contact between the steel wire rope and the sleeve is avoided, the vibration force caused by the steel wire rope can be filtered and buffered through the first buffer pulley and the second buffer pulley, and the influence of the vibration force on the hoisting device is reduced.

3. The invention is provided with the first rubber column and the second rubber column, the first buffer frame and the second buffer frame are respectively protected by the first rubber column and the second rubber column, and the second spring and the third spring are simultaneously protected to prevent the second spring and the third spring from generating elastic deformation due to overlarge stress.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a schematic axial cross-sectional view of the present invention;

FIG. 5 is a schematic view of the structure of the rubber block of the present invention;

FIG. 6 is a schematic cross-sectional left view of the present invention;

FIG. 7 is a schematic bottom view of the present invention.

In the figure: 1 fixed frame, 2 fixing bases, 3 mounting seats, 4 mounting holes, 5 bracing, 6 sleeves, 7 anti-swing box bodies, 8 jackets, 9 first springs, 10 rubber blocks, 11 second buffer pulleys, 12 first stress plates, 13 first fixed pulleys, 14 fixed pulley fixing frames, 15 first buffer pulleys, 16 limiting sliding grooves, 17 first limiting plates, 18 first spring jackets, 19 second springs, 20 first rubber columns, 21 first buffer frames, 22 limiting sliding blocks, 23 grooves, 24 second fixed pulleys, 25 third springs, 26 wear-resistant bushings, 27 embedded bolts, 28 fourth springs, 29 second spring jackets, 30 second limiting plates, 31 second stress plates, 32 second rubber columns, 33 second buffer frames.

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.

Example one

Referring to fig. 1-7, the present invention provides a technical solution: a damping device of a combined type lifting device comprises a fixed frame 1, an anti-swing box body 7, a first fixed pulley 13, a second fixed pulley 24, a first buffer pulley 15, a second buffer pulley 11 and a fixed pulley fixing frame 14, wherein the first fixed pulley 13 and the second fixed pulley 24 are arranged on the fixed pulley fixing frame 14, the anti-swing box body 7 is connected with the lower end of the fixed pulley fixing frame 14, an inclined strut 5 is arranged between the anti-swing box body 7 and a fixed seat 2, the anti-swing box body 7 is connected more firmly through the inclined strut 5, the fixed frame 1 is fixedly connected with the fixed pulley fixing frame 14, the fixed seat 2 is arranged at the lower end of the fixed frame 1, an installation seat 3 is arranged below the fixed seat 2, a rubber block 10 is arranged between the installation seat 3 and the fixed seat 2, a corresponding groove 23 is arranged on the connecting surface of the fixed seat 2 and the installation seat 3, the rubber block 10 is arranged in the groove 23, and the rubber block 10, the contact area of the rubber block 10 with the fixed seat 2 and the mounting seat 3 is increased, so that the fixation is firmer, meanwhile, the vibration force is reduced and transmitted to the mounting seat 3, the upper surface and the lower surface of the rubber block 10 are respectively provided with the embedded bolts 27, the fixed seat 2 and the mounting seat 3 can be reliably connected together through the embedded bolts 27, the installation is convenient, a fourth spring 28 is arranged between the rubber blocks 10, the supporting force on the fixed seat 2 is increased through the fourth spring 28, the structure is safe and reliable, the cross section of the mounting seat 3 is in an L-shaped structure, the mounting seat 3 is provided with the mounting hole 4, the device is convenient to install and fix through the mounting seat 3, the first buffer frame 21 is arranged on the first buffer pulley 15, the second buffer frame 33 is arranged on the second buffer pulley 11, the first fixed pulley 13 and the second fixed pulley 24 are arranged on the same straight line, the first buffer pulley 15 is arranged at the right side below the first fixed pulley 13, the second buffer pulley 11 is arranged at the left upper part of the second fixed pulley 24, the second fixed pulley 24 is positioned right above the sleeve 6, the vibration force caused by the steel wire rope can be filtered and buffered through the first buffer pulley 15 and the second buffer pulley 11, the influence of the vibration force on the lifting equipment is reduced, the first buffer frame 21 and the second buffer frame 33 are respectively and fixedly connected with a limiting slide block 22, a limiting slide groove 16 is arranged on the fixed frame 1, the limiting slide block 22 is in sliding connection with the limiting slide groove 16, a first stress plate 12 and a second stress plate 31 are arranged on the fixed frame 1, a second spring 19 is arranged between the first stress plate 12 and the first buffer frame 21, a third spring 25 is arranged between the second stress plate 31 and the second buffer frame 33, a first spring coat 18 is arranged at the outer side of the middle part of the second spring 19, a second spring coat 29 is arranged at the outer side of the middle part of the third spring 25, a first limiting plate 17 is connected between the first spring coat 18 and the fixed pulley fixed frame 14, a first rubber column 20 is arranged on the first limit plate 17, a second limit plate 30 is connected between the second spring housing 29 and the fixed pulley fixing frame 14, a second rubber column 32 is arranged on the second limit plate 30, the number of the first rubber column 20 and the number of the second rubber column 32 are respectively 2, the first rubber column 20 is symmetrically arranged at two sides of the second spring 19, the second rubber column 32 is symmetrically arranged at two sides of the third spring 25, the first buffer frame 21 and the second buffer frame 33 are respectively protected by the first rubber column 20 and the second rubber column 32, the second spring 19 and the third spring 25 are simultaneously protected, the second spring 19 and the third spring 25 are prevented from being elastically deformed due to overlarge stress, a sleeve 6 is arranged at the middle part of the anti-swing box body 7, a housing 8 is arranged at the outer side of the sleeve 6, a first spring 9 is arranged between the housing 8 and the inner wall of the anti-swing box body 7, the upper end and the lower end of the sleeve 6 are arranged to be horn-shaped structures, the inner wall of the sleeve 6 is provided with the wear-resistant lining 26, the wear resistance of the sleeve 6 is improved through the wear-resistant lining 26, the service life of the sleeve 6 is prolonged, the sleeve 6 can reduce the swing of the steel wire rope and the influence of the steel wire rope on the second fixed pulley 24, the outer sleeve 8 and the anti-swing box 7 on the outer side of the sleeve 6 are both rectangular structures, the first springs 9 are respectively arranged on four corresponding surfaces of the outer sleeve 8 and the anti-swing box 7, the number of the first springs 9 arranged on each corresponding surface is not less than 3, the first springs 9 are distributed at equal intervals, the soft contact between the steel wire rope and the sleeve 6 is realized through the first springs 9, the swing force of the steel wire rope can be buffered, the hard contact between the steel wire rope and the sleeve 6 is avoided, the invention has novel structural design, the damage of the vibration force to the lifting equipment is reduced, meanwhile, the influence of the swing force on the pulley can be effectively prevented, and the safe and reliable operation of the lifting equipment is ensured.

When in use: the steel wire rope sequentially winds around the first fixed pulley 13, the first buffer pulley 15, the second buffer pulley 11 and the second fixed pulley 24 and penetrates out of the sleeve 6, vibration force brought by the steel wire rope can be filtered and buffered through the first buffer pulley 15 and the second buffer pulley 11, the influence of the vibration force on lifting equipment is reduced, the groove 23 limits the rubber block 10, the contact area of the rubber block 10 with the fixed seat 2 and the mounting seat 3 is increased, fixing is firmer, meanwhile, the vibration force is reduced and transmitted to the mounting seat 3, the fixed seat 2 and the mounting seat 3 can be reliably connected together through the embedded bolt 27, mounting is facilitated, the supporting force on the fixed seat 2 is increased through the fourth spring 28, the structure is safe and reliable, the wear-resisting bush 26 improves the wear-resisting performance of the sleeve 6, the service life of the sleeve 6 is prolonged, and the swing of the steel wire rope can be reduced by the sleeve 6, reduce wire rope to the influence of second fixed pulley 24, realized wire rope and sleeve pipe 6's soft contact through first spring 9, can cushion wire rope's swinging force, avoid wire rope and sleeve pipe 6's rigid contact, protect first buffer 21 and second buffer 33 respectively through first rubber column 20 and second rubber column 32, protect second spring 19 and third spring 25 simultaneously, prevent that second spring 19 and third spring 25 from making second spring 19 and third spring 25 take place elastic deformation because of the atress is too big.

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 damping device of combined type lifting equipment, includes fixed frame (1), prevents putting box (7), first fixed pulley (13), second fixed pulley (24), first buffering pulley (15), second buffering pulley (11) and fixed pulley mount (14), its characterized in that: the anti-swing box comprises a fixed pulley fixing frame (14), a fixed pulley (13), a fixed pulley fixing frame (14), a fixed seat (2), a fixed pulley (13), a fixed pulley fixing frame (1), a fixed pulley fixing frame (14), a fixed seat (2), a first buffer frame (21), a second buffer frame (33), a first limiting slide block (22), a limiting slide groove (16), a limiting slide block (22), a first stress plate (12), a second stress plate (31), a second spring (19), a first spring (19), a second spring and a second spring, wherein the first fixed pulley (13) and the second fixed pulley (24) are arranged on the fixed pulley fixing frame (14), the anti-swing box body (7) is connected with the lower end of the fixed pulley fixing frame (14), the fixed frame (1) is fixedly connected with the fixed pulley fixing frame (14), the lower end of the fixed frame (1) is provided with the fixed seat (2), the first buffer frame (15) is provided with the first buffer frame (21), the second buffer frame (11) is provided with the second buffer frame (33), a third spring (25) is arranged between the second stress plate (31) and the second buffer frame (33), a first spring jacket (18) is arranged on the outer side of the middle part of the second spring (19), a second spring jacket (29) is arranged on the outer side of the middle part of the third spring (25), a first limiting plate (17) is connected between the first spring jacket (18) and the fixed pulley fixing frame (14), a first rubber column (20) is arranged on the first limiting plate (17), a second limiting plate (30) is connected between the second spring jacket (29) and the fixed pulley fixing frame (14), a second rubber column (32) is arranged on the second limiting plate (30), a sleeve (6) is arranged in the middle part of the anti-swing box body (7), a jacket (8) is arranged on the outer side of the sleeve (6), and a first spring (9) is arranged between the jacket (8) and the inner wall of the anti-swing box body (7).

2. The damping device of a compound lifting apparatus as claimed in claim 1, wherein: the rubber block sealing device is characterized in that a mounting seat (3) is arranged below the fixing seat (2), a rubber block (10) is arranged between the mounting seat (3) and the fixing seat (2), a corresponding groove (23) is formed in the connecting surface of the fixing seat (2) and the mounting seat (3), the rubber block (10) is arranged in the groove (23), the upper surface and the lower surface of the rubber block (10) are respectively provided with an embedded bolt (27), a fourth spring (28) is arranged between the rubber blocks (10), the cross section of the mounting seat (3) is of an L-shaped structure, and a mounting hole (4) is formed in the mounting seat (3).

3. The damping device of a compound lifting apparatus as claimed in claim 1, wherein: the upper end and the lower extreme of sleeve pipe (6) set up to tubaeform structure, are provided with wear-resisting bush (26) on the inner wall of sleeve pipe (6), overcoat (8) in the sleeve pipe (6) outside with prevent putting box (7) and be the rectangle structure, first spring (9) set up respectively on overcoat (8) and prevent four faces that put box (7) and correspond, first spring (9) quantity that each corresponds the face and set up is no less than 3, and first spring (9) equidistant distribution.

4. The damping device of a compound lifting apparatus as claimed in claim 1, wherein: an inclined strut (5) is arranged between the anti-swing box body (7) and the fixed seat (2).

5. The damping device of a compound lifting apparatus as claimed in claim 1, wherein: the first fixed pulley (13) and the second fixed pulley (24) are on the same straight line, the first buffering pulley (15) is arranged at the right lower part of the first fixed pulley (13), the second buffering pulley (11) is arranged at the left upper part of the second fixed pulley (24), and the second fixed pulley (24) is positioned right above the sleeve (6).

6. The damping device of a compound lifting apparatus as claimed in claim 1, wherein: the first rubber column (20) and the second rubber column (32) are respectively arranged to be 2, the first rubber column (20) is symmetrically arranged on two sides of the second spring (19), and the second rubber column (32) is symmetrically arranged on two sides of the third spring (25).