CN219329668U - Overload protection revolving stage - Google Patents

Abstract

The utility model discloses an overload protection rotary table, which comprises a base, wherein a slewing bearing is arranged on the upper surface of the base, the lower surface of the slewing bearing is fixedly connected with the upper surface of the base, the upper surface of the base is fixedly connected with a driving mechanism, the end part of the driving mechanism is meshed with the side wall of the slewing bearing, and the upper surface of the slewing bearing is fixedly connected with a table panel. When emergency stop or unexpected power failure, because motor brake suddenly brakes, the high-speed pivoted is responsible for producing very big impact at this moment, and when load impact load was greater than the settlement moment of torsion value, the pinion can skid to protection integral type gear motor is not damaged, and the moment of torsion of moment of torsion limiter can be adjusted, in order to adapt to different operating mode demands.

Description

Overload protection revolving stage

Technical Field

The utility model relates to the technical field, in particular to an overload protection rotary table.

Background

The rotary table is driven by pin teeth, the rotary table surface is connected with a rotary motor, the rotary motor drives the driving gear to rotate, the driving gear is meshed with the fixed large gear, and the rotary table is driven to rotate in the rotation process of the driving gear. Adopt gear drive's revolving stage, if the motor has the stopper, then emergency stop or when having a power failure suddenly, the stopper is locked suddenly, can produce huge impact to gear drive, the security of equipment has huge hidden danger, in order to avoid this kind of phenomenon to take place, generally realize through increasing the clutch in motor and speed reducer department, it arranges to need speed reducer and motor separately like this, split type structure can increase equipment cost, simultaneously need bigger installation space, also put forward higher requirement to assembly process, consequently we propose an overload protection revolving stage.

Disclosure of Invention

The present utility model is directed to an overload protection rotary table, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an overload protection revolving stage, includes the base, the upper surface of base is provided with slewing bearing, slewing bearing's lower surface with the upper surface fixed connection of base, the upper surface fixedly connected with actuating mechanism of base, actuating mechanism's tip with slewing bearing's lateral wall meshes, slewing bearing's upper surface fixedly connected with deck plate.

Preferably, the driving mechanism comprises a support plate, the lower surface of the support plate is fixedly connected with the upper surface of the base, the upper surface of the support plate is fixedly connected with an integrated speed reduction motor, a friction type torque limiter is arranged at the output end of the integrated speed reduction motor, a gear is arranged on the outer wall of the friction type torque limiter, and the side wall of the gear is meshed with the side wall of the slewing bearing.

Preferably, the lower surface of the base is fixedly connected with a forklift opening.

Preferably, the shape of the deck plate is circular.

Compared with the prior art, the utility model has the beneficial effects that: when emergency stop or unexpected power failure, because motor brake suddenly brakes, this moment high-speed pivoted is responsible for can produce very big impact, when load impact load is greater than the settlement moment of torsion value, the pinion can skid, thereby protect integral type gear motor not receive the damage, the moment of torsion of moment of torsion limiter can be adjusted, with the different operating mode demands of adaptation, adopt actuating mechanism's integral type to set up, reduce the installation space by a wide margin, the while has also reduced the installation degree of difficulty, on the speed reducer output shaft gear, integrated friction formula moment of torsion limiter's integral type structure, thereby realize overload protection function, under the prerequisite that realizes overload protection function, the control equipment cost reduces installation space, and consider portable design convenience equipment transport.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a perspective view of the drive mechanism of FIG. 1;

FIG. 3 is a plan cross-sectional view of the drive mechanism of FIG. 2;

in the figure: 1. a base; 2. a driving mechanism; 201. a support plate; 202. an integrated gear motor; 203. a friction torque limiter; 204. a gear; 3. a slewing bearing; 4. a deck plate; 5. and a forklift opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides an overload protection rotary table, which comprises a base 1, wherein a slewing bearing 3 is arranged on the upper surface of the base 1, the lower surface of the slewing bearing 3 is fixedly connected with the upper surface of the base 1, the upper surface of the base 1 is fixedly connected with a driving mechanism 2, the driving mechanism 2 comprises a support plate 201, the lower surface of the support plate 201 is fixedly connected with the upper surface of the base 1, an integrated speed reduction motor 202 is fixedly connected with the upper surface of the support plate 201, a friction torque limiter 203 is arranged at the output end of the integrated speed reduction motor 202, a gear 204 is arranged on the outer wall of the friction torque limiter 203, the side wall of the gear 204 is meshed with the side wall of the slewing bearing 3, the end part of the driving mechanism 2 is meshed with the side wall of the slewing bearing 3, and the upper surface of the slewing bearing 3 is fixedly connected with a table panel 4.

The base 1 is connected with the inner ring of the slewing bearing 3 through bolts, the base 1 is independently disassembled and is arranged into a two-body structure with the slewing bearing 3, the base 1 is convenient for transferring and carrying, the outer ring of the slewing bearing 3 is connected with the table panel 4, the outer ring of the slewing bearing 3 is provided with an external tooth structure and is meshed with the driving mechanism 2, and the driving mechanism 2 is fixed on the supporting plate 201, so that the gear 204 is driven to rotate through the integrated speed reducing motor 202, the whole table panel 4 is driven to rotate, an output shaft of the integrated speed reducing motor 202 is connected with the gear 204 through the friction type torque limiter 203, when emergency stop or unexpected power failure occurs, due to sudden braking of a motor brake, great impact is generated in charge of high-speed rotation, when the load impact load is larger than a set torque value, the gear 204 can slip, thereby protecting the integrated speed reducing motor 202 from being damaged, and the torque of the friction type torque limiter 203 can be adjusted to adapt to different working condition demands

The lower surface fixedly connected with fork truck mouth 5 of base 1, 1 bottom of base is through being equipped with fork truck mouth 5, can assist base 1 to carry out the transportation of transiting, improves holistic portability.

The shape of the table top board 4 is round, and the table top board 4 is round, so that the friction of corners is reduced during rotation, and the overall rotation effect is better.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (4)

1. An overload protection revolving stage, its characterized in that: the novel rotary support comprises a base (1), wherein a rotary support (3) is arranged on the upper surface of the base (1), the lower surface of the rotary support (3) is fixedly connected with the upper surface of the base (1), a driving mechanism (2) is fixedly connected with the upper surface of the base (1), the end part of the driving mechanism (2) is meshed with the side wall of the rotary support (3), and a table top (4) is fixedly connected with the upper surface of the rotary support (3).

2. An overload protection rotary table according to claim 1, wherein: the driving mechanism (2) comprises a support plate (201), the lower surface of the support plate (201) is fixedly connected with the upper surface of the base (1), an integrated speed reduction motor (202) is fixedly connected with the upper surface of the support plate (201), a friction type torque limiter (203) is installed at the output end of the integrated speed reduction motor (202), a gear (204) is installed on the outer wall of the friction type torque limiter (203), and the side wall of the gear (204) is meshed with the side wall of the slewing bearing (3).

3. An overload protection rotary table according to claim 1, wherein: the lower surface of the base (1) is fixedly connected with a forklift opening (5).

4. An overload protection rotary table according to claim 1, wherein: the shape of the table top plate (4) is round.

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