CN105703531A

CN105703531A - Biconical expansion locking mechanism

Info

Publication number: CN105703531A
Application number: CN201610151126.8A
Authority: CN
Inventors: 王荣天
Original assignee: Guangzhou Keding Automation Equipment Co Ltd
Current assignee: Guangzhou Keding Automation Equipment Co Ltd
Priority date: 2016-03-16
Filing date: 2016-03-16
Publication date: 2016-06-22
Anticipated expiration: 2036-03-16
Also published as: CN105703531B

Abstract

The invention discloses a biconical expansion locking mechanism, which comprises a bearing seat, a rotation shaft, a biconical expansion chuck, a large pull rod, a pull pin, a floating joint, a bearing and a spring, wherein the rotation shaft is arranged inside the bearing seat; the large pull rod is arranged inside the rotation shaft; the lower end of the bearing seat adopts a bearing down pressing cap for being pressed; the spring is arranged between the bearing down pressing cap and a spring push pull head, and the spring surrounds the outer part of the rotation shaft; and the biconical expansion chuck comprises a positioning core shaft, an expansion sleeve, a bushing and a small pull rod. The device has a simple structure, the design is reasonable, the size is small, the weight is light, and transportation and storage are facilitated; a pure mechanical structure is adopted, the use stability is good, detachability is good, and mounting and replacement are facilitated; through matching between the expansion sleeve, the rotation shaft, the small pull rod and the positioning core shaft, the rotation shaft only needs to be pulled to firmly fasten an article, the article is driven to rotate, the operation is simple and convenient, the use effects are good, the biconical expansion locking mechanism is applicable to motors of various types, the application range is wide, and the service life is long.

Description

Bipyramid expands retaining mechanism

Technical field

The present invention relates to a kind of retaining mechanism, specifically bipyramid expands retaining mechanism。

Background technology

Motor is commonly called as motor, refers to a kind of calutron realizing electric energy conversion or transmission according to the law of electromagnetic induction, and its Main Function is to produce driving torque, as the power source of electrical appliance or various machinery。Dividing according to working power kind, motor can be divided into direct current generator and alternating current generator, and direct current generator can be divided into again brshless DC motor and brushed DC motor, and alternating current generator can be divided into monophase machine and three phase electric machine。According to structure and operation principle, motor can be divided into dc motor, asynchronous motor and synchronous motor。Along with the quickening of China's process of industrialization, electromechanics trade is flourish therewith, but the locking mechanism in the market in existing motor can not be close to article, thus article can not be driven to rotate, this cannot meet the demand of user。

Summary of the invention

It is an object of the invention to provide a kind of bipyramid and expand retaining mechanism, with the problem solving to propose in above-mentioned background technology。

For achieving the above object, the present invention provides following technical scheme:

A kind of bipyramid expands retaining mechanism, including bearing block, rotate axle, bipyramid rises chuck, big pull bar, draw bearing pin, floating junction, bearing and spring, described rotation axle is arranged on the inside of bearing block by bearing and rotates and be provided with shaft block ring between axle and bearing block, big pull bar is arranged on the inside rotating axle and employing draws bearing pin to fix, the outside drawing bearing pin promotes pull head fixing on the rotating shaft by spring, the outside of bearing block is provided with pressure pad, the lower end of bearing block adopts bearing lower cover to compress, bearing lower cover is arranged on bearing block by bearing, it is provided with spring between bearing lower cover and spring promotion pull head and ring spring is wound on the outside rotating axle, rotate and outside axle, be also equipped with spring adjustment joint, spring regulates joint between spring and bearing lower cover, the bipyramid chuck that rises includes positioning core axle, ringfeder, lining and lower link bar, positioning core axle is arranged on the top of bearing block, ringfeder is arranged on the upper end of positioning core axle, lower link bar runs through ringfeder and is connected with floating junction with positioning core axle and lower link bar, lining is installed between lower link bar and positioning core axle, ringfeder adopts upper and lower tapered structure, the upper and lower of ringfeder is provided with four edges of a knife, the middle part of ringfeder is reserved with pin-and-hole。

As the further scheme of the present invention: spring is regulated joint and is fixed on the outside rotating axle by round nut, round nut adopts Q235 material to make。

As the further scheme of the present invention: being provided with the resilient key of cylinder between lower link bar and ringfeder, resilient key is arranged in pin-and-hole。

As the further scheme of the present invention: lining adopts one oil-free lining, and spring adopts Rectangular Spring, and bearing adopts 61906 deep groove ball bearings。

As the further scheme of the present invention: pressure pad adopts polyurethane material to make, ringfeder adopts spring steel material to make, and lower link bar and positioning core axle all adopt SKD11 Steel material to make。

Compared with prior art, the invention has the beneficial effects as follows: this apparatus structure is simple, and reasonable in design, volume is little, lightweight, it is simple to transports and deposits；Adopting purely mechanic structure, stability in use is good, and detachability is good, it is simple to installs and changes；This device, by ringfeder, the cooperation rotating axle, lower link bar and positioning core axle, only need to pull rotation axle just can firmly be locked article and drive article to rotate, simple to operation, result of use is good, suitable in the motor of various models, applied widely, long service life。

Accompanying drawing explanation

Fig. 1 is the profile that bipyramid expands retaining mechanism。

Fig. 2 is the structural representation that bipyramid expands retaining mechanism bottom bracket。

Fig. 3 is the structural representation that bipyramid expands retaining mechanism transfer moving axis。

Fig. 4 is that bipyramid expands the structural representation of big pull bar in retaining mechanism。

Fig. 5 is that bipyramid expands the structural representation of spring adjustment joint in retaining mechanism。

Fig. 6 is that bipyramid expands the structural representation of spring promotion pull head in retaining mechanism。

Fig. 7 is that bipyramid expands bipyramid in retaining mechanism and rises the structural representation of chuck。

Fig. 8 is that bipyramid expands bipyramid in retaining mechanism and rises the profile of chuck。

Fig. 9 is that bipyramid expands the structural representation of positioning core axle in retaining mechanism。

Figure 10 is that bipyramid expands the structural representation of lower link bar in retaining mechanism。

Figure 11 is that bipyramid expands the structural representation of ringfeder in retaining mechanism。

Wherein: 1-bearing block, 2-rotates axle, and 3-bipyramid rises chuck, the big pull bar of 4-, 5-pressure pad, 6-bearing lower cover, 7-axle bumper set, 8-round nut, 9-spring regulates joint, and 10-spring promotes pull head, and 11-draws bearing pin, 12-floating junction, 13-shaft block ring, 14-bearing, 15-spring, 16-positioning core axle, 17-ringfeder, 18-lining, 19-resilient key, 20-lower link bar。

Detailed description of the invention

Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail。

Refer to Fig. 1-11, a kind of bipyramid expands retaining mechanism, including bearing block 1, rotate axle 2, bipyramid rises chuck 3, big pull bar 4, draw bearing pin 11, floating junction 12, bearing 14 and spring 15, described rotation axle 2 is arranged on the inside of bearing block 1 by bearing 14 and rotates and be provided with shaft block ring 13 between axle 2 and bearing block 1, big pull bar 4 is arranged on the inside rotating axle 2 and employing draws bearing pin 11 to fix, the outside drawing bearing pin 11 promotes pull head 10 to be fixed on rotation axle 2 by spring, the outside of bearing block 1 is provided with pressure pad 5, the lower end of bearing block 1 adopts bearing lower cover 6 to compress, bearing lower cover 6 is arranged on bearing block 1 by bearing 14, it is provided with spring 15 between bearing lower cover 6 and spring promotion pull head 10 and spring 15 is looped around the outside rotating axle 2, rotate the outside spring that is also equipped with of axle 2 and regulate joint 9, spring regulates joint 9 between spring 15 and bearing lower cover 6, the bipyramid chuck 3 that rises includes positioning core axle 16, ringfeder 17, lining 18 and lower link bar 20, positioning core axle 16 is arranged on the top of bearing block 1, ringfeder 17 is arranged on the upper end of positioning core axle 16, lower link bar 20 runs through ringfeder 17 and is connected with floating junction 12 with positioning core axle 16 and lower link bar 20, lining 18 is installed between lower link bar 20 and positioning core axle 16, ringfeder 17 adopts upper and lower tapered structure, the upper and lower of ringfeder 17 is provided with four edges of a knife, the middle part of ringfeder 17 is reserved with pin-and-hole。Spring is regulated joint 9 and is fixed on the outside rotating axle 2 by round nut 8, and round nut 8 adopts Q235 material to make。Being provided with the resilient key 19 of cylinder between lower link bar 20 and ringfeder 17, resilient key 19 is arranged in pin-and-hole。Lining 18 adopts one oil-free lining, and spring 15 adopts Rectangular Spring, and bearing 14 adopts 61906 deep groove ball bearings。Pressure pad 5 adopts polyurethane material to make, and ringfeder 17 adopts spring steel material to make, and lower link bar 20 and positioning core axle 16 all adopt SKD11 Steel material to make。

The operation principle of the present invention is: this device is provided with the ringfeder 17 of the edge of a knife by upper and lower, under the pulling rotating axle 2, the taper edge of a knife of ringfeder 17 upper and lower contacts with the conical surface of lower link bar 20 and positioning core axle 16 respectively, ringfeder 17 expands under the effect of stress, ringfeder 17 surface is with second party article contacts and closely cooperates thus the second party article that are firmly locked, it is achieved drive the effect that second party article rotate。This apparatus structure is simple, and reasonable in design, volume is little, lightweight, it is simple to transports and deposits；Adopting purely mechanic structure, stability in use is good, and detachability is good, it is simple to installs and changes；This device, by ringfeder 17, the cooperation rotating axle 2, lower link bar 20 and positioning core axle 16, only need to pull rotation axle 2 just can firmly be locked article and drive article to rotate, simple to operation, result of use is good, suitable in the motor of various models, applied widely, long service life。

Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, it is also possible to make a variety of changes under the premise without departing from this patent objective。

Claims

1. a bipyramid expands retaining mechanism, it is characterized in that, including bearing block, rotate axle, bipyramid rises chuck, big pull bar, draw bearing pin, floating junction, bearing and spring, described rotation axle is arranged on the inside of bearing block by bearing and rotates and be provided with shaft block ring between axle and bearing block, big pull bar is arranged on the inside rotating axle and employing draws bearing pin to fix, the outside drawing bearing pin promotes pull head fixing on the rotating shaft by spring, the outside of bearing block is provided with pressure pad, the lower end of bearing block adopts bearing lower cover to compress, bearing lower cover is arranged on bearing block by bearing, it is provided with spring between bearing lower cover and spring promotion pull head and ring spring is wound on the outside rotating axle, rotate and outside axle, be also equipped with spring adjustment joint, spring regulates joint between spring and bearing lower cover, the bipyramid chuck that rises includes positioning core axle, ringfeder, lining and lower link bar, positioning core axle is arranged on the top of bearing block, ringfeder is arranged on the upper end of positioning core axle, lower link bar runs through ringfeder and is connected with floating junction with positioning core axle and lower link bar, lining is installed between lower link bar and positioning core axle, ringfeder adopts upper and lower tapered structure, the upper and lower of ringfeder is provided with four edges of a knife, the middle part of ringfeder is reserved with pin-and-hole。

2. bipyramid according to claim 1 expands retaining mechanism, it is characterised in that described spring is regulated joint and is fixed on the outside rotating axle by round nut, and round nut adopts Q235 material to make。

3. bipyramid according to claim 1 and 2 expands retaining mechanism, it is characterised in that being provided with the resilient key of cylinder between described lower link bar and ringfeder, resilient key is arranged in pin-and-hole。

4. bipyramid according to claim 3 expands retaining mechanism, it is characterised in that described lining adopts one oil-free lining, and spring adopts Rectangular Spring, and bearing adopts 61906 deep groove ball bearings。

5. bipyramid according to claim 4 expands retaining mechanism, it is characterised in that described pressure pad adopts polyurethane material to make, and ringfeder adopts spring steel material to make, and lower link bar and positioning core axle all adopt SKD11 Steel material to make。