CN101409481A - Inner circle self-locking sling - Google Patents

Inner circle self-locking sling Download PDF

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Publication number
CN101409481A
CN101409481A CNA2008101593916A CN200810159391A CN101409481A CN 101409481 A CN101409481 A CN 101409481A CN A2008101593916 A CNA2008101593916 A CN A2008101593916A CN 200810159391 A CN200810159391 A CN 200810159391A CN 101409481 A CN101409481 A CN 101409481A
Authority
CN
China
Prior art keywords
friction
keeper
self
hoist
locking
Prior art date
Application number
CNA2008101593916A
Other languages
Chinese (zh)
Inventor
宋军
李艳
汤丽娟
毕华东
李恒
Original Assignee
山东华力电机集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 山东华力电机集团股份有限公司 filed Critical 山东华力电机集团股份有限公司
Priority to CNA2008101593916A priority Critical patent/CN101409481A/en
Publication of CN101409481A publication Critical patent/CN101409481A/en

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Abstract

The invention relates to an internal round self-locking hoist suitable for hoisting motor stator core, comprising a hoist receiving part; the hoist is characterized in that the hoist also comprises a pulling rod which is fixedly connected with the hoist receiving part, and two or more friction parts; the pulling rod is sequentially provided with a first positioning part and a second positioning part; connecting rods are pivotally connected between the first positioning part, the second positioning part and the friction part correspondingly; the friction carries out the arc track motion respectively through the connecting rod correspondingly to the first positioning part and the second positioning part. The internal round self-locking hoist expands outwards by the self-gravity, generates the friction force by being contacted with the internal chamber of the stator, leads the friction part and the internal chamber wall of the stator to from mechanical self-locking, and realizes reliable and quick hoisting. The internal round self-locking hoist has the advantages of simple preparation, low cost and convenient operation and usage, can greatly improve the production efficiency, and lightens the labor intensity of the workers.

Description

Inner circle self-locking sling
Technical field
The present invention relates to be exclusively used in the equipment of assembling motor, especially a kind of inner circle self-locking sling that is applicable to lifting stator core in stator core and the casing assembling process.
Background technology
We know, when electric machine stator iron and casing are installed, because stator core does not have suitable lifting position, when assembling, rely on manpower, promptly by the workman motor stator are taken in one's arms, move to the electric machine casing top, aim at installing hole and assemble.Because motor stator is heavier, the workman should embrace stator when mounted, frock position again, and it is very inconvenient to operate, and careless slightly motor stator and the electric machine casing of also making easily bumps, and produces to damage.Perhaps can adopt suspension hook that electric machine stator iron is sought suitable position and lift, inconvenience is installed but exist, and fragile stator enamelled wire.Make that operating efficiency and product quality are relatively low, relatively poor.In addition, a kind of " motor stator stone tongs " disclosed in the CN2768291Y China utility model patent specification of announcing on March 29th, 2006, it is made up of two corresponding mutually semicircle anchor ears that are connected through the hinge about a pair of, the interior circle of anchor ear and the excircle dimension of motor stator adapt, on a pair of semicircle anchor ear, be fixedly connected with two vertical davits with the anchor ear parallel axes, this vertical davits places the outward flange of semicircle anchor ear respectively, its line is by how much centers of circle of anchor ear, also has circular hole or hook at an end of vertical davits.It is two semicircle anchor ear anchor ear motor stator ectosomes about utilization, lift up into the lifting of capable motor stator again with cantilever, it has simple in structure, easy to operate advantage, can greatly reduce working strength of workers, enhance productivity, but anchor ear fixed electrical machinery stator ectosome and exist the deficiency of great inconvenience when assembling with casing.
Summary of the invention
When overcoming that electric machine stator iron and casing are installed in the prior art, rely on manpower or adopt suspension hook, about semicircle anchor ear motor stator is lifted, exist assembling inconvenience and fragile stator enamelled wire, make the deficiency that operating efficiency and product quality are relatively low to the invention provides a kind of inner circle self-locking sling that this inner circle self-locking sling is not only made simply, cost is low, and swift to operate, easy-to-use, the production efficiency height.
The technical solution adopted for the present invention to solve the technical problems is: a kind of inner circle self-locking sling, comprise a lifting supporting, it is characterized in that: also comprise a pull bar of fixedlying connected with described lifting supporting, and two or more friction members, on described pull bar, fixedly be equipped with first keeper successively, second keeper, at described first keeper, be evenly equipped with two or more links on the ectosome of second keeper, first keeper, second keeper is respectively through the corresponding connecting rod that is hinged with between the link on its ectosome and friction member, described friction member respectively through connecting rod with respect to first keeper, second keeper is done the arching trajectory motion.
The present invention also comprises a locating part, and this locating part slip cap is contained on the pull bar, and through the corresponding respectively gag lever post that is hinged with between the link on its ectosome and friction member, described locating part is through the motion amplitude of gag lever post limiting friction spare.
The described corresponding respectively connecting rod that is hinged between first keeper, the second keeper link and friction member be arranged in parallel, and isometric.
Described lifting supporting is suspension ring or suspension hook.
Described friction member is to be fixed with friction plate at a friction plate outer surface to form.
The present invention relies on the outside expanding of friction member self gravitation, contact with the bore of stator wall and produce frictional force, through loop wheel machine pulling pull bar the weight of stator self is acted on the friction member, under the effect of stator gravity and draw-bar pull, further strengthen the frictional force of friction member and bore of stator wall, make friction member and bore of stator wall form mechanical self-latching, and reach purpose quick, convenient lifting.
The invention has the beneficial effects as follows that make simply, cost is low, and is aesthetic in appearance, operation, easy to use, especially under the situation of pipelining, it has quick and characteristics easily, has improved production efficiency greatly, has alleviated workman's intensity.
Description of drawings
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 be a kind of embodiment of the present invention partly cut open front view.
Fig. 2 is the structure vertical view of another embodiment of the present invention.
1. lifting supportings among the figure, 2. pull bar, 3. first keeper, 301. links, 302. links, 4. second keeper, 401. links, 402. links, 501. connecting rods, 502. connecting rod, 601. friction members, 602. friction members, 603. friction members, 6021. friction plate, 6022. friction plates, 701. connecting rods, 702. connecting rods, 801. gag lever post, 802. gag lever posts, 803. gag lever posts, 9. locating part, 901. link, 902. links, 903. links, 10. hold-down nut.
Embodiment
In Fig. 1, a kind of inner circle self-locking sling comprises a lifting supporting 1, and this lifting supporting 1 can adopt the suspension ring structure, also can adopt the suspension hook structure, or adopts other structures that can accept mutually with loop wheel machine, the suspension ring structure of the preferential employing of present embodiment.
As shown in Figure 1, a kind of inner circle self-locking sling, also comprise one with the fixing pull bar 2 of lifting supporting 1 welding.Pull bar 2 is optical axises.
On pull bar 2, fixedly be equipped with first keeper 3 and second keeper 4 successively.
First keeper 3 is to reach the hold-down nut 10 that cooperates with pull bar 2 by the shaft shoulder on the pull bar 2 to cooperate, and is fixed on the pull bar 2.
Be threaded between second keeper 4 and the pull bar 2, be fixed in pull bar 2 ends.
Among Fig. 1, symmetry is furnished with two links 301,302 on the ectosome of first keeper 3; Same symmetry is furnished with two links 401,402 on the ectosome of second keeper 4.Link 301,302,401,402 is the link of fork configuration.
601 corresponding connecting rods 701 that are hinged with of the link 301 of first keeper 3 on its ectosome and a friction member, 602 the corresponding connecting rods 702 that are hinged with of a link 302 and a friction member on its ectosome symmetry opposite side.
601 corresponding connecting rods 501 that are hinged with of the link 401 of second keeper 4 on its ectosome and friction member, 602 the corresponding connecting rods 502 that are hinged with of link 402 and friction member on its ectosome symmetry opposite side.
Connecting rod 501,502,701,702 be arranged in parallel, and isometric.
Friction member 601 swings up and down with respect to first keeper 3, second keeper 4 through connecting rod 701,501 respectively.In like manner, friction member 602 is done the arching trajectory motion through connecting rod 702,502 with respect to first keeper 3, second keeper 4 respectively.
Friction member 602 can be the extremely strong friction piece of frictional force of one design.Also can be that a friction plate 6022 outer surfaces are fixed with friction plate and form, as shown in Figure 1.Present embodiment is for the ease of the consideration on manufacturing and the cost, and friction member 601,602 is the structures at friction plate outer surface fixed friction sheet of employing preferentially.Can adopt glue to be connected between friction plate and friction plate, also can adopt screw to connect.
In Fig. 1, the present invention also comprises a locating part 9.This locating part 9 is to be sleeved on the pull bar 2, can on pull bar 2, slide, and 601,602 corresponding respectively gag lever posts 801,802 that are hinged with of link on its ectosome 901,902 and friction member.
The locating part 9 that slides on pull bar 2 is through the motion amplitude of gag lever post 801,802 limiting friction spares 601,602, is convenient to packing into of itself and motor stator inner chamber.
When the present invention uses, with carrying locating part on hand, move on gag lever post drive friction member, friction member swing retraction is put into the stator internal round chamber.After loosing one's grip, friction member falls by self gravitation and outside expanding, contacts with the bore of stator wall and produces frictional force; When hanging pull bar with crane, the weight of stator self acts on the friction member, under the interaction of stator gravity and draw-bar pull, strengthens the frictional force between friction member and bore of stator wall, make friction member and bore of stator wall form mechanical self-latching, and reach the requirement of lifting; When putting down when being hung stator, with carrying locating part on hand, drive on the friction member through gag lever post and to move, friction member swing retraction easily takes out this suspender.
For balance and the reliability that guarantees to lift between motor stator, Fig. 2 provides the part schematic diagram of another embodiment of the present invention structure.
Among Fig. 2, slip cap is contained in the locating part 9 on the pull bar 2, being 120 ° of intervals on its ectosome all has three links 901,902,903, and link 901,902,903 is hinged through gag lever post 801,802,803 and three friction members 601,602,603 hinged with it respectively.
Equally, first keeper of fixing assembling also is uniform three link settings on pull bar, also is respectively through connecting rod and corresponding friction member be hinged (not providing among the figure).
Second keeper of fixing assembling also is uniform three link settings on pull bar, equally also is respectively through connecting rod and corresponding friction member be hinged (not providing among the figure).
Present embodiment is identical with the operation principle of embodiment one, no longer narration.
The present invention is not only applicable to hoisting motor stator, is equally applicable to lifting and transports various with inner chamber Other objects. It has makes simply, and cost is low, and is swift to operate, easy to use, flexibly, and lifting The advantage that efficient is high.

Claims (6)

1, a kind of inner circle self-locking sling, comprise a lifting supporting, it is characterized in that: also comprise a pull bar of fixedlying connected with described lifting supporting, and two or more friction members, on described pull bar, fixedly be equipped with first keeper successively, second keeper, at described first keeper, be evenly equipped with two or more links on the ectosome of second keeper, first keeper, second keeper is respectively through the corresponding connecting rod that is hinged with between the link on its ectosome and friction member, described friction member respectively through connecting rod with respect to first keeper, second keeper is done the arching trajectory motion.
2, a kind of inner circle self-locking sling according to claim 1, it is characterized in that: also comprise a locating part, this locating part slip cap is contained on the pull bar, and through the corresponding respectively gag lever post that is hinged with between the link on its ectosome and friction member, described locating part is through the motion amplitude of gag lever post limiting friction spare.
3, a kind of inner circle self-locking sling according to claim 1 and 2 is characterized in that: the described corresponding respectively connecting rod that is hinged between first keeper, the second keeper link and friction member be arranged in parallel, and isometric.
4, a kind of inner circle self-locking sling according to claim 1 is characterized in that: described lifting supporting is suspension ring or suspension hook.
5, a kind of inner circle self-locking sling according to claim 1 and 2 is characterized in that: described friction member is to be fixed with friction plate at a friction plate outer surface to form.
6, a kind of inner circle self-locking sling according to claim 3 is characterized in that: described friction member is to be fixed with friction plate at a friction plate outer surface to form.
CNA2008101593916A 2008-11-24 2008-11-24 Inner circle self-locking sling CN101409481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008101593916A CN101409481A (en) 2008-11-24 2008-11-24 Inner circle self-locking sling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008101593916A CN101409481A (en) 2008-11-24 2008-11-24 Inner circle self-locking sling

Publications (1)

Publication Number Publication Date
CN101409481A true CN101409481A (en) 2009-04-15

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CNA2008101593916A CN101409481A (en) 2008-11-24 2008-11-24 Inner circle self-locking sling

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CN (1) CN101409481A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873037A (en) * 2010-07-12 2010-10-27 无锡锡山安达防爆电气设备有限公司 Stator hoisting inner support frame
CN101882842A (en) * 2010-07-12 2010-11-10 无锡锡山安达防爆电气设备有限公司 Stator inlet case lifting device of high-voltage motor
CN102315729A (en) * 2011-09-14 2012-01-11 卧龙电气集团股份有限公司 Motor stator assembling apparatus and assembling method
CN102641946A (en) * 2012-05-03 2012-08-22 无锡锡山安达防爆电气设备有限公司 Large motor stator hydraulic tensioner
CN102745589A (en) * 2012-07-04 2012-10-24 百特节能电机有限公司 Internal swelling self-locking hanger
CN102979073A (en) * 2011-09-06 2013-03-20 徐工集团工程机械股份有限公司 Wedge-shaped self-locking pounder unhooking device
CN103626029A (en) * 2012-08-27 2014-03-12 江苏群业电工有限公司 Taper expansion lifting appliance
CN106329841A (en) * 2015-07-08 2017-01-11 安徽明腾永磁机电设备有限公司 Hoisting tool
CN108358043A (en) * 2017-06-30 2018-08-03 济宁新宇商标代理有限公司 Concrete box girder suspender for inclined-plane fit body

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873037A (en) * 2010-07-12 2010-10-27 无锡锡山安达防爆电气设备有限公司 Stator hoisting inner support frame
CN101882842A (en) * 2010-07-12 2010-11-10 无锡锡山安达防爆电气设备有限公司 Stator inlet case lifting device of high-voltage motor
CN102979073A (en) * 2011-09-06 2013-03-20 徐工集团工程机械股份有限公司 Wedge-shaped self-locking pounder unhooking device
CN102979073B (en) * 2011-09-06 2015-12-16 徐工集团工程机械股份有限公司 For the self-locking type detacher of hammer ram
CN102315729A (en) * 2011-09-14 2012-01-11 卧龙电气集团股份有限公司 Motor stator assembling apparatus and assembling method
CN102641946A (en) * 2012-05-03 2012-08-22 无锡锡山安达防爆电气设备有限公司 Large motor stator hydraulic tensioner
CN102745589A (en) * 2012-07-04 2012-10-24 百特节能电机有限公司 Internal swelling self-locking hanger
CN103626029A (en) * 2012-08-27 2014-03-12 江苏群业电工有限公司 Taper expansion lifting appliance
CN106329841A (en) * 2015-07-08 2017-01-11 安徽明腾永磁机电设备有限公司 Hoisting tool
CN108358043A (en) * 2017-06-30 2018-08-03 济宁新宇商标代理有限公司 Concrete box girder suspender for inclined-plane fit body
CN108358042A (en) * 2017-06-30 2018-08-03 济宁新宇商标代理有限公司 A kind of concrete box girder suspender for inclined-plane fit body
CN108382981A (en) * 2017-06-30 2018-08-10 济宁新宇商标代理有限公司 A kind of inclined-plane fit body

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Open date: 20090415

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