CN211946026U

CN211946026U - Special rotary bearing seat for tower crane

Info

Publication number: CN211946026U
Application number: CN201922451369.5U
Authority: CN
Inventors: 王惠恩
Original assignee: Xuzhou Dongfang Slewing Bearing Co ltd
Current assignee: Xuzhou Dongfang Slewing Bearing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-17
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a special slewing bearing seat of tower crane in slewing bearing technical field, comprising a base plate, bottom plate upper portion sets up slewing bearing seat, set up the base between bottom plate and the slewing bearing seat, the base is equipped with down the mount pad, mount pad upper portion sets up the mount pad down, set up first hydraulic stem between lower mount pad and the last mount pad, set up first spring on the first hydraulic stem, first hydraulic stem right side sets up first articulated seat, first articulated seat bottom sets up the articulated seat of second, first articulated seat and the articulated seat right side of second set up first connecting seat, first articulated seat, all set up first diagonal brace between the articulated seat of second and the first connecting seat. Through last mount pad and the cooperation between the mount pad down effectively slow down the vibrations power between bearing and the bearing frame, from the production of noise control in the source, not only reduce vibrations to the damage of bearing frame, can also the harm of noise reduction to the human body.

Description

Special rotary bearing seat for tower crane

Technical Field

The utility model relates to a slewing bearing technical field specifically is a special slewing bearing seat of tower crane.

Background

The tower crane is also called a tower crane, and is the most commonly used hoisting equipment on a construction site, wherein a bearing seat is an important structural component of the tower crane for rotary motion, when the hoisting equipment does mechanical motion, vibration can be generated and noise is generated, the vibration can consume power when the equipment does rotary motion, the motion speed of the equipment is reduced, the normal operation of the crane is influenced, and the crane can also have certain influence on the health of workers when the crane works in a working environment with high noise for a long time. Therefore, the special rotary bearing seat for the tower crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special swivel bearing seat of tower crane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary bearing seat special for a tower crane comprises a base plate, wherein a rotary bearing seat is arranged on the upper portion of the base plate, a base is arranged between the base plate and the rotary bearing seat, a lower mounting seat is arranged on the base, an upper mounting seat is arranged on the upper portion of the lower mounting seat, a first hydraulic rod is arranged between the lower mounting seat and the upper mounting seat, a first spring is arranged on the first hydraulic rod, a first hinging seat is arranged on the right side of the first hydraulic rod, a second hinging seat is arranged at the bottom of the first hinging seat, a first connecting seat is arranged on the right side of the first hinging seat and a second hinging seat, first inclined support rods are arranged among the first hinging seat, the second hinging seat and the first connecting seat, a second connecting seat is arranged on the right side of the first connecting seat, a connecting rod is arranged between the first connecting seat and the second connecting seat, a second hydraulic rod is arranged on the right side of the second connecting seat, a second spring is arranged on the second hydraulic, set up the third articulated seat between second connecting seat and the second hydraulic stem, third articulated seat bottom sets up the fourth articulated seat, all set up the second diagonal brace between third articulated seat, the fourth articulated seat and the second connecting seat, the inside sleeve that sets up of swivel bearing seat, the inside slewing bearing that sets up of sleeve, set up the yielding rubber circle between sleeve and the slewing bearing, the sleeve left and right sides sets up the bolt, the bolt bottom sets up the fixed plate, bolt upper portion sets up the nut.

Preferably, first articulated seat and third articulated seat upper end all set up in last mount pad bottom, the articulated seat of second and fourth articulated seat bottom all sets up in mount pad upper end down.

Preferably, the connecting rod is equipped with first connecting block, first connecting block left side sets up the second connecting block, set up pressure spring between first connecting block and the second connecting block.

Preferably, the right end of the first connecting block is connected with the left end of the second connecting seat, the left end of the second connecting block is connected with the right end of the first connecting seat, and the connecting rod is installed between the upper installation seat and the lower installation seat through the first connecting seat and the second connecting seat.

Preferably, the left side and the right side of the upper end of the bottom plate are both provided with sliding grooves, connecting springs are arranged inside the sliding grooves, opposite ends of the connecting springs are both provided with sliding blocks, the upper ends of the sliding blocks are provided with connecting rods, and damping springs are arranged between the two connecting rods.

Preferably, the upper end of the connecting rod is connected with the bottom end of the base.

Compared with the prior art, the beneficial effects of the utility model are that: when the rotary bearing seat is arranged at the upper end of the base, the base is stressed, the damping spring is stressed and stretches, the connecting rod drives the sliding block to move towards the opposite direction, the base is enabled to slowly approach the bottom plate, the vibration force in the installation process of the rotary bearing seat is relieved, the bearing seat generates vibration during movement, the upper installation seat is enabled to be stressed, the first hydraulic rod and the second hydraulic rod stretch, the first inclined stay rod and the second inclined stay rod are folded towards the opposite direction, therefore, the upper installation seat approaches the lower installation seat, the vibration force at the upper end of the upper installation seat is relieved, through the upper installation seat and the lower installation seat, the vibration force between the bearing and the bearing seat is effectively relieved through the matching between the base and the bottom plate, the generation of noise is controlled from the source, the damage of vibration to the bearing seat is reduced, the harm of noise to a human body can be reduced, the.

Drawings

Fig. 1 is a schematic structural view of a rotary bearing seat of the present invention;

FIG. 2 is a schematic view of the internal structure of the base of the present invention;

FIG. 3 is a schematic view of the structure of the connecting rod of the present invention;

fig. 4 is a schematic view of the damping structure of the base of the present invention.

In the figure: the damping device comprises a

base plate

1, 11 connecting springs, 12 sliding blocks, 13 sliding grooves, 14 connecting rods, 15 damping springs, 2 bases, 21 lower mounting seats, 22 first hydraulic rods, 23 first springs, 24 upper mounting seats, 25 first hinging seats, 26 connecting rods, 261 first connecting blocks, 262 pressure springs, 263 second connecting blocks, 27 second connecting seats, 28 second inclined supporting rods, 29 third hinging seats, 210 second hydraulic rods, 211 second springs, 212 fourth hinging seats, 213 first connecting seats, 214 first inclined supporting rods, 215 second hinging seats, 3 rotary bearing seats, 4 bolts, 5 nuts, 6 sleeves, 7 damping rubber rings, 8 rotary bearings and 9 fixing plates.

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. 1-4, the present invention provides a technical solution: a rotary bearing seat special for a tower crane comprises a base plate 1, a rotary bearing seat 3 is arranged on the upper portion of the base plate 1, a base 2 is arranged between the base plate 1 and the rotary bearing seat 3, a lower mounting seat 21 is arranged on the base 2, an upper mounting seat 24 is arranged on the upper portion of the lower mounting seat 21, a first hydraulic rod 22 is arranged between the lower mounting seat 21 and the upper mounting seat 24, a first spring 23 is arranged on the first hydraulic rod 22, a first hinging seat 25 is arranged on the right side of the first hydraulic rod 22, a second hinging seat 215 is arranged on the bottom of the first hinging seat 25, a first connecting seat 213 is arranged on the right sides of the first hinging seat 25 and the second hinging seat 215, first inclined support rods 214 are arranged between the first hinging seat 25 and the second hinging seat 215 and the first connecting seat 213, a second connecting seat 27 is arranged on the right side of the first connecting seat 213, a connecting rod 26 is arranged between the first connecting seat 213 and the second connecting seat 27, a second hydraulic rod 210 is arranged, the second hydraulic rod 210 is provided with a second spring 211, a third hinge seat 29 is arranged between the second connecting seat 27 and the second hydraulic rod 210, the bottom of the third hinge seat 29 is provided with a fourth hinge seat 212, second diagonal braces 28 are arranged among the third hinge seat 29, the fourth hinge seat 212 and the second connecting seat 27, the rotary bearing 8 generates vibration when moving inside the bearing seat, so that the upper mounting seat 24 is stressed, the first hydraulic rod 22 and the second hydraulic rod 210 respectively drive the first spring 23 and the second spring 211 to stretch, the two first diagonal braces 214 are folded along the first hinge seat 25 and the second hinge seat 215 in opposite directions, the two second diagonal braces 28 are folded along the third hinge seat 29 and the fourth hinge seat 212 in opposite directions, so that the upper mounting seat 24 approaches the lower mounting seat 21, the vibration force at the upper end of the upper mounting seat 24 is reduced, and the vibration force between the bearing and the bearing seat is effectively reduced through the matching between the upper mounting seat 24 and the lower mounting seat 21, from the production of control noise in the source, not only reduce vibrations to the damage of bearing frame, can also the noise reduction to the harm of human body, improve the life of bearing frame, guarantee staff's safety and health, rotary bearing 3 is inside to set up sleeve 6, the inside slewing bearing 8 that sets up of sleeve 6, set up yielding rubber circle 7 between sleeve 6 and the slewing bearing 8, the sleeve 6 left and right sides sets up bolt 4, bolt 4 bottom sets up fixed

plate

9, 4 upper portions of bolt set up nut 5.

The upper ends of the first hinge seat 25 and the third hinge seat 29 are both arranged at the bottom end of the upper mounting seat 24, the bottom ends of the second hinge seat 215 and the fourth hinge seat 212 are both arranged at the upper end of the lower mounting seat 21, the first inclined strut 214 is folded along the first hinge seat 25 and the second hinge seat 215 in the opposite direction, and the second inclined strut 28 is folded along the third hinge seat 29 and the fourth hinge seat 212 in the opposite direction, so that the upper mounting seat 24 approaches the lower mounting seat 21;

the connecting rod 26 is provided with a first connecting block 261, a second connecting block 263 is arranged on the left side of the first connecting block 261, a pressure spring 262 is arranged between the first connecting block 261 and the second connecting block 263, the first inclined strut 214 and the second inclined strut 28 are respectively folded towards opposite directions, so that the first connecting seat 213 and the second connecting seat 27 move towards opposite directions, and the pressure spring 262 is stressed to stretch and contract, so that the upper mounting seat 24 slowly approaches the lower mounting seat 21, and the vibration force of the bearing seat is further reduced;

the right end of the first connecting block 261 is connected with the left end of the second connecting seat 27, the left end of the second connecting block 263 is connected with the right end of the first connecting seat 213, and the connecting rod 26 is installed between the upper installation seat 24 and the lower installation seat 21 through the first connecting seat 213 and the second connecting seat 27;

the left side and the right side of the upper end of the bottom plate 1 are respectively provided with a sliding chute 13, the sliding chutes 13 are arranged in the bottom plate 1, the connecting springs 11 are arranged in the sliding chutes 13, the opposite ends of the connecting springs 11 are respectively provided with a sliding block 12, the upper end of the sliding block 12 is provided with a connecting rod 14, a damping spring 15 is arranged between the two connecting rods 14, when the rotary bearing seat 3 is arranged at the upper end of the base 2, the base 2 is stressed, the damping spring 15 is stressed and stretched, the connecting rods 14 drive the sliding blocks 12 to move along the sliding chutes 13 in opposite directions, so that the base 2 slowly approaches the bottom plate 1;

the upper end of the connecting rod 14 is connected with the bottom end of the base 2, and the base 2 is stressed, so that the connecting rod 14 drives the sliding block 12 to move along the sliding groove 13 in the opposite direction.

The working principle is as follows: when the rotary bearing seat 3 is installed at the upper end of the base 2, the base 2 is stressed, the damping spring 15 is stressed to stretch, the connecting rod 14 drives the sliding block 12 to move along the sliding groove 13 in the opposite direction, so that the base 2 slowly approaches to the bottom plate 1, the vibration force in the installation process of the rotary bearing seat 3 is relieved, the rotary bearing 8 generates vibration when moving inside the bearing seat, so that the upper installation seat 24 is stressed, the first hydraulic rod 22 and the second hydraulic rod 210 respectively drive the first spring 23 and the second spring 211 to stretch, the two first inclined supporting rods 214 are folded along the first hinging seat 25 and the second hinging seat 215 in the opposite direction, the two second inclined supporting rods 28 are folded along the third hinging seat 29 and the fourth hinging seat 212 in the opposite direction, and therefore the upper installation seat 24 approaches to the lower installation seat 21, and the vibration force at the upper end of the upper installation seat 24 is relieved.

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 special swivel bearing seat of tower crane, includes bottom plate (1), its characterized in that: the improved structure of the hydraulic hinge comprises a base plate (1), wherein a rotary bearing seat (3) is arranged on the upper portion of the base plate (1), a base (2) is arranged between the base plate (1) and the rotary bearing seat (3), a lower mounting seat (21) is arranged on the base (2), an upper mounting seat (24) is arranged on the upper portion of the lower mounting seat (21), a first hydraulic rod (22) is arranged between the lower mounting seat (21) and the upper mounting seat (24), a first spring (23) is arranged on the first hydraulic rod (22), a first hinge seat (25) is arranged on the right side of the first hydraulic rod (22), a second hinge seat (215) is arranged on the bottom of the first hinge seat (25), a first connecting seat (213) is arranged on the right side of the first hinge seat (25) and the second hinge seat (215), a first inclined support rod (214) is arranged between the first hinge seat (25), the second hinge seat (215) and the first connecting seat (213), and a second connecting seat (27) is arranged on the right side of the first, a connecting rod (26) is arranged between the first connecting seat (213) and the second connecting seat (27), a second hydraulic rod (210) is arranged on the right side of the second connecting seat (27), a second spring (211) is arranged on the second hydraulic rod (210), a third hinging seat (29) is arranged between the second connecting seat (27) and the second hydraulic rod (210), a fourth hinging seat (212) is arranged at the bottom of the third hinging seat (29), second inclined support rods (28) are arranged among the third hinging seat (29), the fourth hinging seat (212) and the second connecting seat (27), a sleeve (6) is arranged inside the slewing bearing seat (3), a slewing bearing (8) is arranged inside the sleeve (6), a damping rubber ring (7) is arranged between the sleeve (6) and the slewing bearing (8), bolts (4) are arranged on the left side and the right side of the sleeve (6), the bottom of the bolt (4) is provided with a fixing plate (9), and the upper part of the bolt (4) is provided with a nut (5).

2. The special slewing bearing seat for the tower crane according to claim 1, wherein: first articulated seat (25) and third articulated seat (29) upper end all set up in last mount pad (24) bottom, articulated seat (215) of second and fourth articulated seat (212) bottom all set up in mount pad (21) upper end down.

3. The special slewing bearing seat for the tower crane according to claim 1, wherein: the connecting rod (26) is provided with a first connecting block (261), a second connecting block (263) is arranged on the left side of the first connecting block (261), and a pressure spring (262) is arranged between the first connecting block (261) and the second connecting block (263).

4. The special slewing bearing seat for the tower crane according to claim 3, wherein: first connecting block (261) right-hand member is connected with second connecting seat (27) left end, second connecting block (263) left end is connected with first connecting seat (213) right-hand member, connecting rod (26) are installed between last mount pad (24) and lower mount pad (21) through first connecting seat (213) and second connecting seat (27).

5. The special slewing bearing seat for the tower crane according to claim 1, wherein: bottom plate (1) upper end left and right sides all sets up spout (13), spout (13) inside set up connecting spring (11), connecting spring (11) looks remote site all sets up slider (12), slider (12) upper end sets up connecting rod (14), set up damping spring (15) between two connecting rod (14).

6. The special slewing bearing seat for the tower crane according to claim 5, wherein: the upper end of the connecting rod (14) is connected with the bottom end of the base (2).