CN104016221A - Lifting short link chain lifting head assembly - Google Patents
Lifting short link chain lifting head assembly Download PDFInfo
- Publication number
- CN104016221A CN104016221A CN201410274321.0A CN201410274321A CN104016221A CN 104016221 A CN104016221 A CN 104016221A CN 201410274321 A CN201410274321 A CN 201410274321A CN 104016221 A CN104016221 A CN 104016221A
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- CN
- China
- Prior art keywords
- bearing pin
- stepped shaft
- link chain
- short link
- lifting
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- Mounting Of Bearings Or Others (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a lifting short link chain lifting head assembly which comprises a stepped shaft, a lifting head, a pin shaft, a clamping plate, a joint bearing, a screw and a lifting short link chain, wherein one end of the stepped shaft is fixedly arranged in a fixed shaft sleeve; the lifting head is arranged on the stepped shaft; the joint bearing is arranged in the lifting head; the lifting short link chain is connected to the lifting head through the pin shaft; after a pin shaft cap at one end of the pin shaft is machined, the axial movement and circumferential rotation of the pin shaft can be limited through the clamping plate and the screw. The lifting short link chain lifting head assembly with the structure has the advantages of convenience in detachment, flexibility and reliability in connection and the like.
Description
Technical field
The present invention relates to lifting field, specifically one is reused short link chain and is hung head assembly.
Background technology
In current lifting field, rise and reuse short link chain and be applied to frequently various weight-lifting equipments, for example on the hoisting crane of side, just main using reused short link chain and carried out the lifting of freight container.Mainly to rely on ring buckle to be connected on axle and work the type of attachment of reusing short link chain in prior art, adopt in such a way, if make ring buckle that end float misalignment not occur on adapter shaft, avoid producing and sliding suddenly in the time of lifting, need ring buckle to clamp with axle in the axial direction.But just having there is following drawback in this: can cause ring buckle stuck on the one hand, ring buckle can not be along with producing the change of relative angle between the gravity direction of lift heavy and crane arm in lifting operation, thereby affect its flexible rotating, and in the time of lift heavy, there is unexpected rotation, cannot ensure the steady of lifting; On the other hand, the short link chain connecting when ring buckle lower end while deflecting in hoisting process, can cause the change of ring buckle force status, and what make that ring buckle bears is not only the pulling force of lifting, also have the moment of torsion causing because of short link chain deflection, thereby cannot ensure the safety of ring buckle.
In addition, the ring buckle of this type of attachment and axle, in the time of lifting, produce with axle the position contacting and are always the inside face of ring buckle one end circular arc, thereby easily cause distortion or the fatigue failure at this position.Due to the particularity of container hanging itself, except to hanging head being provided with very high requirement on axle, also had equally the short link chain of reusing have stable connection firm, dismantle demand easily.
Known based on foregoing description, existing short link chain connection mode is difficult to meet the container hanging demand on the hoisting crane of side.For above situation, the present invention proposes a kind of brand-new solution, adopt a kind of short link chain of reusing to hang head assembly and replace traditional type of attachment.
Summary of the invention
For above-mentioned technical matters, the object of the present invention is to provide the connecting hanging head assembly of a kind of short link chain and axle.
To achieve the above object of the invention, the present invention adopts following technical scheme:
A kind of rising reused short link chain and hung head assembly, comprises stepped shaft, hangs head, right bearing pin, left bearing pin, clamp, oscillating bearing, back-up ring, annulus cover, fixed hub, screw and reuse short link chain; Stepped shaft one end has a large-diameter portion, and remainder is minor diameter part, and minor diameter part is fixedly installed in fixed hub away from one end of large-diameter portion; Hang head and be set on the minor diameter part of stepped shaft by its inner oscillating bearing of installing, and between large-diameter portion and fixed hub; Oscillating bearing two ends are provided with back-up ring, and oscillating bearing is provided with the annulus cover that is sheathed on stepped shaft minor diameter part near one end of fixed hub; Rise and reuse short link chain and be connected to and hang head by right bearing pin and left bearing pin; Between the bearing pin of left and right, be provided with the clamp being mated, clamp is fixed on and is hung on head by screw.
Further, the inner ring of described oscillating bearing contacts cooperation with the minor diameter part of stepped shaft, and the large-diameter portion diameter of described stepped shaft is greater than the internal diameter of described oscillating bearing inner ring end face anchor ring; The external diameter of described stepped shaft large-diameter portion diameter and described annulus cover is less than the external diameter of described oscillating bearing inner ring end face anchor ring.
Further, the shape of described left and right bearing pin is identical, has bearing pin post and bearing pin cap, and bearing pin cap is to have the bowed shape that arcuate arc is greater than semicircle, and its string is less than the radius of bearing pin cap disc to the distance in the center of circle, and the disc of its string and bearing pin post intersects; Match with the corresponding face of string of described left and right bearing pin cap in two sides of described clamp.
Beneficial effect of the present invention:
An inside of hanging of 1, hanging head assembly due to the present invention is provided with oscillating bearing, realizes flexible rotating thereby can make to hang head in the situation that of axial locking, has ensured the stationarity of lifting; And hang head and be actually the inner ring anchor ring of oscillating bearing and contacting of stepped shaft minor diameter part anchor ring with contacting of stepped shaft, and oscillating bearing can well rotate, thereby avoiding occurring too concentrates because of force part the damage that causes hanging head; And the use of oscillating bearing makes, even in the time hanging upper two short link chains that connect of head and twist, the stressed still heart place therein of hanging head, can't change force status, thereby guarantee to hang the safety that head uses.
2, due to the present invention hang head assembly employing the form of stepped shaft, thereby ensureing to hang head by the large-diameter portion of stepped shaft can not come off from stepped shaft, and by mounting circular ring overlap will described in hang head lock at axial direction, make to hang head can be on stepped shaft play, the external diameter of the large-diameter portion diameter of stepped shaft and described annulus cover is less than the external diameter of described oscillating bearing inner ring end face, ensures that described oscillating bearing can not interfere in the time rotating.
3, the bearing pin that the present invention hangs head assembly, by special structure setting, makes just can ensure the problem of having eliminated the end float misalignment of bearing pin and circumferentially having rotated by actv. by clamp.In addition, adopt the connection mode of screw, clamp, bearing pin also to make reuse the installation of short link chain and dismantle more easy.
In summary it can be seen, the present invention in terms of existing technologies, has the plurality of advantages such as simple installation, flexibility and reliability, construction safety.
Brief description of the drawings
Fig. 1 is that the present invention works the decomposing schematic representation of reusing short link chain and hang head assembly
Fig. 2 is that the present invention works the assembling schematic diagram of reusing short link chain and hang head assembly
Fig. 3 is that the present invention works the bearing pin schematic diagram of reusing short link chain and hang head assembly
Fig. 4 is existing connection diagram of reusing short link chain and bearing pin
1, fixed hub; 2, annulus cover; 3, back-up ring; 4, oscillating bearing; 5, hang head;
6, stepped shaft; 7, right bearing pin; 8, clamp; 9, screw; 10, left bearing pin;
11, rise and reuse short link chain; 12, ring buckle.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in embodiment is clearly and completely described; obviously; described embodiment is only one embodiment of the present of invention; based on this embodiment; the general technical personnel in this area, not making the embodiment obtaining under the prerequisite of creative work, all belongs to protection scope of the present invention.
The invention provides a kind of rising reuses short link chain and hangs head assembly, as shown in Figure 1 and Figure 2, described reuse that short link chain hangs that head assembly comprises stepped shaft 6, hangs 5, right bearing pin 7, left bearing pin 10, clamp 8, oscillating bearing 4, back-up ring 3, annulus cover 2, fixed hub 1, screw 9 and rise and reuse short link chain 11.Stepped shaft 6 one end have a large-diameter portion, stepped shaft 6 remainders are minor diameter part, minor diameter part is fixedly installed in fixed hub 1 away from one end of large-diameter portion, and hang 5 oscillating bearing 4 of installing by its inside and be set on the minor diameter part of stepped shaft 6, and between large-diameter portion and fixed hub.The two ends of oscillating bearing 4 are provided with back-up ring 3, thereby prevent that it from coming off from hanging 5, oscillating bearing 4 is provided with the annulus cover 2 that is sheathed on stepped shaft 6 near fixed hub 1 one end, this annulus cover and fixed hub and oscillating bearing offset, and rise to reuse short link chain 11 and be connected to and hung 5 by right bearing pin 7 and left bearing pin 10.The shape of left and right bearing pin is identical, and oblong clamp 8 can be set between the two, by screw 9, clamp is fixed on and hangs head above, thereby can limit the end float misalignment of left and right bearing pin 10 and 7 and circumferentially rotate.
Describedly hang 5 while being arranged on described stepped shaft 6 minor diameter part, the inner ring of described oscillating bearing 4 contacts cooperation with the minor diameter part of stepped shaft 6, the large-diameter portion diameter of described stepped shaft 6 is greater than the internal diameter of described oscillating bearing 4 inner ring end face anchor rings, thereby ensureing to hang head can not come off from stepped shaft 6, and by install described annulus cover 2 can described in hang 5 in axial direction locking, do not make to hang not can be on stepped shaft 6 end float misalignment; The external diameter of described stepped shaft 6 large-diameter portion diameters and described annulus cover 2 is all less than the external diameter of described oscillating bearing 4 inner ring end face anchor rings, thereby ensures that described oscillating bearing 4 can not interfere in the time rotating.
What Fig. 3 was detailed has shown the bearing pin form that the present embodiment adopts.As shown in the figure, described right bearing pin 7 is identical with the shape of left bearing pin 10, has bearing pin post and bearing pin cap, and bearing pin cap is to have the bowed shape that arcuate arc is greater than semicircle, its string is less than the radius of bearing pin cap disc to the distance in the center of circle, and the disc of its string and bearing pin post intersects; When installation by relative face corresponding the bearing pin cap string of described right bearing pin 7 and left bearing pin 10, two side faces corresponding with the bearing pin cap string of described right bearing pin 7 and left bearing pin 10 of described oblong clamp 8 coordinate, then described in clamp being fixedly mounted on by described screw 9, hang on 5; Described clamp 8 with described in hang 5 one side that contact against live bearing pin post, thereby limit the end float misalignment of described left and right bearing pin, and match with the corresponding face of string of described left and right bearing pin bearing pin cap in two sides of clamp 8, thereby limit the circumferential rotation of described left and right bearing pin.
Fig. 4 is existing and reuses short link chain by the connection mode of ring buckle and axle, known according to foregoing description, in terms of existing technologies, the present embodiment has adopted one hanging of oscillating bearing 4 is installed 5 replaced ring buckle 12, thereby can make to hang 5 and realize flexible rotating in the situation that of axial locking, ensure the stationarity of lifting; Hang 5 and be actually the inner ring anchor ring of oscillating bearing 4 and contacting of stepped shaft 6 minor diameter part anchor rings with contacting of stepped shaft 6, and oscillating bearing 4 can well rotate, thereby avoiding occurring too concentrates because of force part the damage that causes hanging head; And the use of oscillating bearing 4 makes, even in the time hanging two short link chains 11 that connect on 5 and twist, hang a stressed still heart place therein of 5, can't change force status, thereby guarantee to hang 5 safety that use; In addition, adopt the connection mode of screw, clamp, bearing pin also to make reuse the installation of short link chain 11 and dismantle more easy.
The above introduction that is described as a specific embodiment of the present invention; described right bearing pin 7 and the bearing pin cap of left bearing pin 10 not only can only do archwise; other all suitable fit shapes; make just can limit bearing pin end float misalignment and circumferentially rotate by clamp and screw, all belong to protection scope of the present invention.
Invention has been described above, but the present invention is not limited to above narration, and should contain the various amendments of carrying out according to essence of the present invention, equivalent combinations.
Claims (3)
1. rise and reuse short link chain and hang a head assembly, comprise stepped shaft, hang head, right bearing pin, left bearing pin, clamp, oscillating bearing, back-up ring, annulus cover, fixed hub, screw and rise and reuse short link chain; Stepped shaft one end has a large-diameter portion, and remainder is minor diameter part, and minor diameter part is fixedly installed in fixed hub away from one end of large-diameter portion; Hang head and be set on the minor diameter part of stepped shaft by its inner oscillating bearing of installing, and between large-diameter portion and fixed hub; Oscillating bearing two ends are provided with back-up ring, and oscillating bearing is provided with the annulus cover that is sheathed on stepped shaft near one end of fixed hub; Rise and reuse short link chain and be connected to and hang head by right bearing pin and left bearing pin; Between the bearing pin of left and right, be provided with the clamp being mated, clamp is fixed on and is hung on head by screw.
2. the head assembly that hangs according to claim 1, the inner ring of described oscillating bearing contacts cooperation with the minor diameter part of stepped shaft, and the large-diameter portion diameter of described stepped shaft is greater than the internal diameter of described oscillating bearing inner ring end face anchor ring; The external diameter of described stepped shaft large-diameter portion diameter and described annulus cover is less than the external diameter of described oscillating bearing inner ring end face anchor ring.
3. the head assembly that hangs according to claim 2, the shape of described left and right bearing pin is identical, has bearing pin post and bearing pin cap, and bearing pin cap is to have the bowed shape that arcuate arc is greater than semicircle, its string is less than the radius of bearing pin cap disc to the distance in the center of circle, and the disc of its string and bearing pin post intersects; Match with the corresponding face of string of described left and right bearing pin cap in two sides of described clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274321.0A CN104016221B (en) | 2014-06-18 | 2014-06-18 | Reuse short link chain and hang head assembly for a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274321.0A CN104016221B (en) | 2014-06-18 | 2014-06-18 | Reuse short link chain and hang head assembly for a kind of |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104016221A true CN104016221A (en) | 2014-09-03 |
| CN104016221B CN104016221B (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410274321.0A Active CN104016221B (en) | 2014-06-18 | 2014-06-18 | Reuse short link chain and hang head assembly for a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104016221B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118211C2 (en) * | 1981-05-08 | 1985-02-14 | Fa. August Thiele, 5860 Iserlohn | Chain connecting link for round steel chains |
| DE3932418C1 (en) * | 1989-09-28 | 1991-02-28 | J. D. Theile Gmbh & Co Kg, 5840 Schwerte, De | Swivel bolt for chain link retaining - has end of swivel eyelet bearing pin with radially protruding end collar |
| CN202138947U (en) * | 2011-06-29 | 2012-02-08 | 天津二十冶建设有限公司 | Chained lifting appliance |
| CN202643085U (en) * | 2012-05-21 | 2013-01-02 | 乳山市振兴铸钢有限公司 | Adjustable hanging tool for casting unmolding turning box |
| CN203006719U (en) * | 2012-11-19 | 2013-06-19 | 中国人民解放军总后勤部军事交通运输研究所 | Clamping-plate type lifting lockset of container and square cabin |
| CN203212212U (en) * | 2013-04-24 | 2013-09-25 | 徐州徐工随车起重机有限公司 | Sling chain spin-locking device for loading and unloading container |
| CN203903769U (en) * | 2014-06-18 | 2014-10-29 | 徐州徐工随车起重机有限公司 | Short-link-chain lifting head assembly for lifting |
-
2014
- 2014-06-18 CN CN201410274321.0A patent/CN104016221B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118211C2 (en) * | 1981-05-08 | 1985-02-14 | Fa. August Thiele, 5860 Iserlohn | Chain connecting link for round steel chains |
| DE3932418C1 (en) * | 1989-09-28 | 1991-02-28 | J. D. Theile Gmbh & Co Kg, 5840 Schwerte, De | Swivel bolt for chain link retaining - has end of swivel eyelet bearing pin with radially protruding end collar |
| CN202138947U (en) * | 2011-06-29 | 2012-02-08 | 天津二十冶建设有限公司 | Chained lifting appliance |
| CN202643085U (en) * | 2012-05-21 | 2013-01-02 | 乳山市振兴铸钢有限公司 | Adjustable hanging tool for casting unmolding turning box |
| CN203006719U (en) * | 2012-11-19 | 2013-06-19 | 中国人民解放军总后勤部军事交通运输研究所 | Clamping-plate type lifting lockset of container and square cabin |
| CN203212212U (en) * | 2013-04-24 | 2013-09-25 | 徐州徐工随车起重机有限公司 | Sling chain spin-locking device for loading and unloading container |
| CN203903769U (en) * | 2014-06-18 | 2014-10-29 | 徐州徐工随车起重机有限公司 | Short-link-chain lifting head assembly for lifting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104016221B (en) | 2016-03-16 |
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