CN203643847U

CN203643847U - Novel mechanical limit structure

Info

Publication number: CN203643847U
Application number: CN201320781999.9U
Authority: CN
Inventors: 周世纪; 张占伟; 马轶男
Original assignee: CETC 26 Research Institute
Current assignee: CETC 26 Research Institute
Priority date: 2013-11-27
Filing date: 2013-11-27
Publication date: 2014-06-11
Anticipated expiration: 2023-11-27

Abstract

The utility model discloses a novel mechanical limit structure. The limit structure comprises a rotatable bumping stopper, a rotatable limit stopper I and a rotatable limit stopper II. The bumping stopper can push the limit stopper I and the limit stopper II to rotate. The limit stopper I and the limit stopper II have two intersecting rotary planes, and the rotation center of the limit stopper I and the limit stopper II is the intersection line of the rotary planes. The limit structure can achieve reliable mechanical limiting with a large limit range greater than 360 degrees. The limit structure is simple in installation and do not need maintenance, and thus is well worth promotion compared to other servo systems.

Description

A kind of novel mechanical position limitation structure

Technical field

The utility model belongs to mechanical position limitation structure field, is specifically related to a kind of novel mechanical position limitation structure.

Background technology

In bearing servo kinematic system, spacing electric limiting, the mechanical position limitation etc. of comprising of servo motion, in prior art, conventional mechanical position limitation adopts disk structure mostly.The problem of its shortcoming and existence is: 1) spacing narrow range, is less than 360 °; 2) spacing poor reliability, spacer pin easy fracture; 3) increase motion load, strengthened capacity motor and cost; 4) processing, installation complexity, increased cost and reduced reliability.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of novel mechanical position limitation structure, has advantages of safe and reliable and spacing wider range.

The purpose of this utility model is achieved through the following technical solutions:

A kind of novel mechanical position limitation structure, comprise rotatable shock block, rotating positive stop I and rotating positive stop II, described shock block can promote positive stop I and positive stop II is rotated, described positive stop I and positive stop II include two crossing surfacess of revolution, the intersection that the rotation center of described positive stop I and positive stop II is the surfaces of revolution;

Further, described positive stop I and positive stop II be shaped as L shaped;

Further, in described positive stop I and positive stop II, be provided with and be convenient to clash into the rolling bearing that block passes through.

The beneficial effects of the utility model are: mechanical position limitation structure of the present utility model not only can realize reliable mechanical position limitation function and also spacing scope large, be greater than 360 °, install simply, Maintenance free has higher promotional value in other servo-drive systems.

Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other advantages can be realized and be obtained by instructions below.

Accompanying drawing explanation

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:

Fig. 1 is the utility model structural representation.

Embodiment

Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment is only for the utility model is described, rather than in order to limit protection domain of the present utility model.

As shown in the figure, a kind of novel mechanical position limitation structure, comprise rotatable shock block 1, rotating positive stop I 2 and rotating positive stop II 3, described shock block can promote positive stop I and positive stop II is rotated, described positive stop I and positive stop II include two crossing surfacess of revolution, the intersection that the rotation center of described positive stop I and positive stop II is the surfaces of revolution.

In the present embodiment, not only can realize reliable mechanical position limitation function but also spacing scope large, be greater than 360 °, install simply, Maintenance free has higher promotional value in other servo-drive systems.

In the present embodiment, being shaped as of described positive stop I and positive stop II is L shaped; Certainly in different embodiment, also can adopt square or v-shaped structure, all can realize goal of the invention of the present invention.

In the present embodiment, in described positive stop I and positive stop II, be provided with and be convenient to clash into the rolling bearing 4 that block passes through; Rolling bearing is set to be contributed to clash into block and passes through smoothly positive stop.

Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, 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 modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present utility model.

Claims

1. a novel mechanical position limitation structure, it is characterized in that: comprise rotatable shock block, rotating positive stop I and rotating positive stop II, described shock block can promote positive stop I and positive stop II is rotated, described positive stop I and positive stop II include two crossing surfacess of revolution, the intersection that the rotation center of described positive stop I and positive stop II is the surfaces of revolution.

2. a kind of novel mechanical position limitation structure according to claim 1, is characterized in that: being shaped as of described positive stop I and positive stop II is L shaped.

3. a kind of novel mechanical position limitation structure according to claim 2, is characterized in that: in described positive stop I and positive stop II, be provided with and be convenient to clash into the rolling bearing that block passes through.