CN211733685U

CN211733685U - Novel rotating structure of base of rotating platform of crane

Info

Publication number: CN211733685U
Application number: CN201922436104.8U
Authority: CN
Inventors: 张朝增; 孙雪峰; 姚舒晏
Original assignee: Beijing Dongfang Xinghang Electromechanical Technology Co ltd
Current assignee: Beijing Dongfang Xinghang Electromechanical Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-23
Anticipated expiration: 2029-12-30

Abstract

The utility model belongs to the technical field of devices for cranes, in particular to a novel rotary structure of a rotary table base of a crane, which comprises a protective shell, wherein the outer surface of the protective shell is connected with a movable door through a hinge, the outer surface of the movable door is fixed with a handle, a support seat, a drive shaft and a motor are respectively arranged below the inner part of the protective shell, the outer surface of the drive shaft is respectively provided with a driven gear and a first bevel gear, the first bevel gear can be rotated when the drive shaft rotates, and the outer ring diameter of the first bevel gear is larger than that of a second bevel gear, when the first bevel gear rotates for half a circle, the second bevel gear rotates for two circles, so that the fan blade can rotate rapidly, the air flow in the protective shell is accelerated by the rotation of the fan blade, the heat in the protective shell can be discharged from heat dissipation holes rapidly, thereby the temperature in the protective shell is reduced, and still be provided with the dodge gate, can overhaul the protective housing inside through the dodge gate for it is more convenient to maintain.

Description

Novel rotating structure of base of rotating platform of crane

Technical Field

The utility model belongs to the technical field of be used for the hoist, especially, relate to a novel revolution mechanic of hoist revolving stage pedestal.

Background

The existing rotating structure is high in maintenance difficulty, low in work efficiency and poor in stability, the service efficiency of the crane is greatly reduced, the stability during rotation is poor, meanwhile, when the crane works for a long time, the motor is easy to generate heat, the existing rotating structure is poor in heat dissipation effect, and the service life of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel revolution mechanic of hoist revolving stage pedestal to propose the not good and inconvenient problem of heat dissipation of stability in solving above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel revolution mechanic of hoist revolving stage pedestal, including the protective housing, there is the dodge gate outer surface of protective housing through hinged joint, the outer fixed surface of dodge gate has the handle, the supporting seat is installed respectively to the inside below of protective housing, drive shaft and motor, the surface of drive shaft is provided with driven gear and first awl tooth respectively, the output of motor is connected with the driving gear, one side of supporting seat runs through there is the pivot, the one end of pivot is connected with the second awl tooth, the other end of pivot is fixed with the flabellum, the top of drive shaft is connected with the revolving stage, the supporting wheel is installed to the bottom both sides of revolving stage, the inboard top of protective housing contacts with the revolving stage through the ball, the both sides of.

Furthermore, the heat dissipation holes are arranged in a plurality of equidistant ranges.

Further, the outer ring diameter of the first conical tooth is larger than that of the second conical tooth.

Furthermore, the outer surfaces of the driving gear and the driven gear are coated with lubricating oil.

Furthermore, the supporting wheels are provided with a plurality of groups, and the plurality of groups of supporting wheels are arranged at the bottom of the rotating platform in an annular shape at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

the rotating structure of the novel crane rotary table base body is provided with the supporting wheels and the balls, the supporting wheels are arranged at the bottom of the rotary table in a surrounding mode, when the rotary table rotates, the supporting wheels support the bottom of the rotary table and are matched with the rotary table to rotate, so that the rotation is more stable, the friction force between the rotary table and the protective shell can be reduced through the balls, and the resistance is smaller when the rotary table rotates;

this kind of novel revolution mechanic of hoist revolving stage pedestal is provided with first awl tooth, second awl tooth, the apparatus further comprises a rotating shaft, flabellum and louvre, can make first awl tooth rotate when the drive shaft is rotatory, and because the outer lane diameter of first awl tooth is greater than the outer lane diameter of second awl tooth, when first awl tooth rotates the half-turn, second awl tooth then rotates the two circles, and then make the flabellum can the high-speed rotation, the flabellum rotates the inside air flow of protective housing with higher speed, the louvre can be followed fast with the inside heat of protective housing to the flabellum, with this temperature of the protective housing inside has been reduced, the life of motor has been improved, and still be provided with the dodge gate, can overhaul the protective housing inside through the dodge gate, make the maintenance.

Drawings

FIG. 1 is a schematic structural diagram of a rotating structure of a novel crane turntable base;

fig. 2 is a schematic sectional structure view of a protective shell of a rotating structure of a novel crane turntable base;

FIG. 3 is a top view of a rotary table of a rotary structure of a novel crane rotary table base;

fig. 4 is an enlarged structural diagram of a part a of a rotating structure of a novel crane turntable base.

Wherein: 1-protective shell; 2-a hinge; 3-a movable door; 4-a handle; 5-rotating the platform; 6-supporting wheels; 7-a ball bearing; 8-a drive shaft; 9-a driven gear; 10-a motor; 11-a drive gear; 12-a first bevel gear; 13-second cone teeth; 14-a rotating shaft; 15-a support seat; 16-fan blades; 17-heat dissipation holes.

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.

As shown in fig. 1, 2, 3 and 4, a novel rotating structure of a rotating platform base of a crane comprises a protective shell 1, a hinge 2, a movable door 3, a handle 4, a rotating platform 5, a supporting wheel 6, a ball 7, a driving shaft 8, a driven gear 9, a motor 10, a driving gear 11, a first bevel gear 12, a second bevel gear 13, a rotating shaft 14, a supporting seat 15, a fan blade 16 and a heat dissipation hole 17, wherein the outer surface of the protective shell 1 is connected with the movable door 3 through the hinge 2, the handle 4 is fixed on the outer surface of the movable door 3, the supporting seat 15, the driving shaft 8 and the motor 10 are respectively installed below the inner part of the protective shell 1, the driven gear 9 and the first bevel gear 12 are respectively installed on the outer surface of the driving shaft 8, the driving gear 11 is connected to an output end of the motor 10, the rotating shaft 14 penetrates through one side of the supporting seat 15, one end of, the top of drive shaft 8 is connected with revolving stage 5, and supporting wheel 6 is installed to the bottom both sides of revolving stage 5, and ball 7 and revolving stage 5 contact are passed through to the inboard top of protective housing 1, and frictional force and resistance when reducing revolving stage 5 and rotating, the both sides of protective housing 1 run through there is louvre 17, and the heat dissipation of being convenient for reduces the inside temperature of protective housing.

As shown in fig. 2, the heat dissipation holes 17 are provided in a plurality, and the plurality of heat dissipation holes 17 are arranged at equal intervals to improve the air circulation efficiency, and the outer diameter of the first conical tooth 12 is larger than the outer diameter of the second conical tooth 13, so that the rotation speed of the second conical tooth 13 is faster, and the heat dissipation effect is better.

As shown in fig. 3, the driving gear 11 is engaged with the driven gear 9, and the outer surfaces of the driving gear 11 and the driven gear 9 are coated with lubricating oil, so that the rotation is smoother, the supporting wheels 6 are provided with a plurality of groups, and the plurality of groups of supporting wheels 6 are arranged at the bottom of the rotating platform 5 in an annular shape at equal intervals, so that the rotating platform 5 is more stable in rotation.

The working principle is as follows: firstly, a worker firstly checks whether each part is intact, if the part is damaged, the part is timely replaced, then the worker installs a rotating structure, in the using process, the motor 10 rotates to enable the driving gear 11 to rotate, the driving gear 11 rotates to enable the driven gear 9 to rotate, the driven gear 9 rotates to enable the driving shaft 8 to rotate, the driving shaft 8 rotates to enable the first bevel gear 12 and the rotating platform 5 to rotate simultaneously, the supporting wheel 6 supports the bottom of the rotating platform 5 and is matched with the rotating platform 5 to rotate, so that the rotation is more stable, the friction force between the rotating platform 5 and the protective shell 1 can be reduced through the balls 7, the resistance is smaller when the rotating platform 5 rotates, the first bevel gear 12 can rotate when the driving shaft 8 rotates, and because the outer ring diameter of the first bevel gear 12 is larger than that of the second bevel gear 13, when the first bevel gear 12 rotates for half a circle, the second bevel gear 13 rotates for, and then make flabellum 16 can the fast rotation, flabellum 16 rotates and has accelerated the inside air flow of protective housing 1, and flabellum 16 can be discharged from louvre 17 with the inside heat of protective housing 1 fast to this has reduced the inside temperature of protective housing 1.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel revolution mechanic of hoist revolving stage pedestal, includes protective housing (1), its characterized in that: the outer surface of the protective shell (1) is connected with a movable door (3) through a hinge (2), the outer surface of the movable door (3) is fixed with a handle (4), a supporting seat (15), a driving shaft (8) and a motor (10) are respectively installed below the inner part of the protective shell (1), the outer surface of the driving shaft (8) is respectively provided with a driven gear (9) and a first bevel gear (12), the output end of the motor (10) is connected with a driving gear (11), a rotating shaft (14) penetrates through one side of the supporting seat (15), one end of the rotating shaft (14) is connected with a second bevel gear (13), the other end of the rotating shaft (14) is fixed with fan blades (16), the top of the driving shaft (8) is connected with a rotating platform (5), supporting wheels (6) are installed on two sides of the bottom of the rotating platform (5), the upper part of the inner side of the protective shell (1) is, the two sides of the protective shell (1) are penetrated with heat dissipation holes (17), and the driving gear (11) is meshed with the driven gear (9).

2. The rotating structure of the novel crane turntable base according to claim 1, wherein: the heat dissipation holes (17) are arranged in a plurality of numbers, and the heat dissipation holes (17) are arranged at equal intervals.

3. The rotating structure of the novel crane turntable base according to claim 1, wherein: the diameter of the outer ring of the first conical tooth (12) is larger than that of the outer ring of the second conical tooth (13).

4. The rotating structure of the novel crane turntable base according to claim 1, wherein: and lubricating oil is coated on the outer surfaces of the driving gear (11) and the driven gear (9).

5. The rotating structure of the novel crane turntable base according to claim 1, wherein: the supporting wheels (6) are provided with a plurality of groups, and the supporting wheels (6) are arranged at the bottom of the rotating platform (5) in an annular shape at equal intervals.