CN201435645Y

CN201435645Y - Electric machine shock-absorbing device

Info

Publication number: CN201435645Y
Application number: CN2009201275203U
Authority: CN
Inventors: 黄奕
Original assignee: Chongqing Iron and Steel Group Co Ltd
Current assignee: Chongqing Iron and Steel Group Co Ltd
Priority date: 2009-05-31
Filing date: 2009-05-31
Publication date: 2010-03-31
Anticipated expiration: 2019-05-31

Abstract

The utility model discloses an electric machine shock-absorbing device, which comprises a base, a shock-absorbing spring and a holding cushion; one end of the shock-absorbing spring pushes against thebase, the other end of the shock-absorbing spring pushes against the holding cushion; the utility model adopts the shock-absorbing device which is provided with the shock-absorbing spring, when the electric machine shock-absorbing device is used, the shock-absorbing device under the role of pretightening force of the shock-absorbing spring makes the holding cushion hold the surface at the side-slanting lower part of the electric machine, the left-right swing amplitude around the axis for the electric machine body can be softly limited, and the shock-absorbing device limits the shock of the electric machine with the installing bolt; the shock-absorbing spring structure is adopted, therefore, the adverse effect on the original installing and positioning of the electric machine is generated,the vibration amplitude around the axis for the electric machine can be effectively limited, the fracturing and the damaging of the electric machine body can be avoided, the long-period normal running of the steel rolling production line can be ensured, the production efficiency is increased, and the maintenance cost is reduced.

Description

Motor shock-absorbing device

Technical field

The utility model relates to a kind of motor accessory, particularly a kind of motor shock-absorbing device.

Background technology

Motor is the driving arrangement of commonplace use, the normal operation of motor, it is the normal key of moving of production line that guarantees the equipment place of its driving, such as the driving arrangement that just is absolutely necessary of the roll drive motors in the steel rolling production-line, it is the key of the normal operation of steel rolling production-line, the quality of motor operating state also is the assurance of passage rolling accuracy.

In the roughing process of steel rolling production-line, particularly being in the raceway drive motors in the scope that slides the steel billet bump after heating furnace is come out of the stove, can produce than big bang, and the roughing percentage pass reduction being higher, also is one of motor reason that vibrations by a relatively large margin easily take place.

Rolled piece is being nipped and is being shut out moment, can produce the bigger impulsive force and the recovery inertia of roll by breaker roll, this impulsive force and recovery inertia pass to motor, can be to the actuating force of motor generation around rotational, the actuating force long period repeatedly acts on motor, makes the vibrations (vacillate now to the left, now to the right) of motor generation around axis, can cause fatigue to construction bolt and motor base, finally make motor fuselage fracture damage, roll can't turn round, and influences the quality of the normal of steel rolling production-line and operation product.In the prior art, motor generally adopts construction bolt that motor is installed in structure on the rigid foundation, after shaking, adopts and reinforces construction bolt and limit vibration amplitude, does not reach damping effect.If adopt other rigidity reinforcement measure, then can destroy the original location that install on the basis, motor is run well to have a negative impact.

Therefore, need damping device be set, can effectively limit the amplitude of motor generation after the use, avoid taking place motor fuselage fracture damage, guarantee that the steel rolling production-line long period runs well, enhance productivity, reduce maintenance cost around the axis vibrations to prior motor.

The utility model content

In view of this, the utility model provides a kind of motor shock-absorbing device, can effectively limit the amplitude of motor generation around the axis vibrations after the use, avoid taking place motor fuselage fracture damage, guarantee that the steel rolling production-line long period runs well, enhance productivity, reduce maintenance cost.

Motor shock-absorbing device of the present utility model comprises base, damping spring and pad, and described damping spring one end withstands base, and the other end withstands pad.

Further, described pad upper surface is the concave inward structure of fitting shape with the motor surface;

Further, described base upper surface and pad lower surface are provided with columnar projections respectively, and described damping spring two ends are enclosed within respectively on the corresponding columnar projections;

Further, described base and pad are made by the elastic flame material;

Further, described elastic flame material is a flame retardant rubber.

The beneficial effects of the utility model: motor shock-absorbing device of the present utility model, employing is provided with the damping device of damping spring, under the effect of damping spring preload pressure, make pad hold motor skew back surface below damping device during use, can flexible restriction motor fuselage around the axis amplitude that swings, limit the motor vibrations together with construction bolt, owing to be to adopt the damping spring structure, original installing and locating to motor has no adverse effect, can effectively limit the amplitude of motor generation around the axis vibrations, avoid taking place motor fuselage fracture damage, guarantee that the steel rolling production-line long period runs well, enhance productivity, reduce maintenance cost.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the utility model user mode figure;

Fig. 3 be Fig. 2 along A to view.

Embodiment

Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the utility model user mode figure, Fig. 3 be Fig. 2 along A to view, as shown in the figure: the motor shock-absorbing device of present embodiment, comprise base 3, damping spring 4 and pad 5, described damping spring 4 one ends withstand base 3, and the other end withstands pad 5; During use, base 3 is arranged on the motor rigid foundation, and pad 5 is held the oblique surface below of motor side (radially oblique below) under the effect of damping spring 4 preload pressures; Four damping devices lay respectively at motor 1 left and right sides and are arranged on pedestal 2 rear and front ends, can effectively guarantee the stress balance of motor, and do not disturb self fixing of pedestal; Certainly, damping device also can be plural other number, is installed in the motor both sides respectively, also can reach damping effect to a certain extent.

In the present embodiment, the concave inward structure 52 that the surface that described pad 5 contacts with motor 1 is and shape is fitted on motor 1 surface makes pad reach good location, is beneficial to increase pad and motor surface contact area, better reaches damping effect;

In the present embodiment, described base 3 upper surfaces are provided with columnar projections 31, and pad 5 lower surfaces are provided with columnar projections 51, and described damping spring 4 lower ends are enclosed within on the corresponding columnar protrusions 31, and the upper end is enclosed within on the corresponding columnar projections 51; Be beneficial to damping spring 4 located lateral, make structure itself compact, easy for installation.

In the present embodiment, described base 3 and pad 5 are made by the elastic flame material; Itself has good shock resistance elastomeric material, thereby can play further cushioning effect, and can prolong the useful life of damping device; Adopt fire proofing, can prevent from that high temperature slag and iron oxide from splashing to cause base and pad to damage.

In the present embodiment, described elastic flame material is a flame retardant rubber, obtains low cost of manufacture easily;

In the present embodiment, described base 3 is fixedly installed on (by crimping, bolt connection or bonding) on the motor rigid foundation, prevents that damping device from use laterally moving, and further guarantees reliability of structure.

The utility model in use, earlier damping spring 4 is utilized external force (such as, retrain with band) apply pressure prestressing force, after damping device is placed the corresponding installation site of motor, remove constraint, damping device is promptly held motor, plays cushioning effect.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. motor shock-absorbing device, it is characterized in that: comprise base, damping spring and pad, described damping spring one end withstands base, and the other end withstands pad.

2. motor shock-absorbing device according to claim 1 is characterized in that: described pad upper surface is the concave inward structure of fitting shape with the motor surface.

3. motor shock-absorbing device according to claim 2 is characterized in that: described base upper surface and pad lower surface are provided with columnar projections respectively, and described damping spring two ends are enclosed within respectively on the corresponding columnar projections.

4. motor shock-absorbing device according to claim 3 is characterized in that: described base and pad are made by the elastic flame material.

5. motor shock-absorbing device according to claim 4 is characterized in that: described elastic flame material is a flame retardant rubber.