CN202897824U - Double-circular steel billet lifting appliance - Google Patents
Double-circular steel billet lifting appliance Download PDFInfo
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- CN202897824U CN202897824U CN 201220544344 CN201220544344U CN202897824U CN 202897824 U CN202897824 U CN 202897824U CN 201220544344 CN201220544344 CN 201220544344 CN 201220544344 U CN201220544344 U CN 201220544344U CN 202897824 U CN202897824 U CN 202897824U
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Abstract
The utility model discloses a double-circular steel billet lifting appliance and belongs to the field of a lifting appliance for lifting steel billets in a metallurgic industry. The double-circular steel billet lifting appliance comprises an idler wheel, an idler wheel connecting frame, a first hinge, an expansion device, a right upper arm, a right hinge, a right lower arm, a left lower arm, a left hinge and a left upper arm as well as a pair of middle calipers, a second hinge and a third hinge, wherein a pair of left calipers is arranged on the front end of the right lower arm, a right pair of calipers is arranged on the front end of the left lower arm, circular-arc shaped grooves sunken towards two sides are formed in the inner sides of the pair of right calipers and the pair of left calipers, the pair of middle calipers is arranged at an intersection place of the right lower arm and the left lower arm and is heart-shaped, the third hinge and the second hinge are respectively arranged on the left side and the right side of the middle upper part of the pair of middle calipers, the middle piece of the right lower arm is connected with the pair of middle calipers through the third hinge, and the middle piece of the left lower arm is connected with the pair of middle calipers through the second hinge. The double-circular steel billet lifting appliance can be used for simultaneously lifting two circular steel billets and has high carrying efficiency and the advantages of convenience to use, high efficiency, reasonable design, easiness in manufacturing and saving of materials.
Description
Technical field
The present invention relates to a kind of suspender field of Metallurgy Industry handling steel billet, more particularly, relate to a kind of double joint round steel billet suspender that can be used for two round steel billets of a handling.
Background technology
Metallurgy Industry generally all adopts rope rig, electromagnetic disc, C type hook and single round steel billet suspender when carrying out the round steel billet lifting job at present.
Rope rig uses in ℃ situation of round steel billet≤80, can single handling also can many handlings.Must be generally used for the round steel billet handling of round steel billet storage area by means of the human assistance operation, labour intensity is large, and potential safety hazard is many, is not generally adopted now.
Electromagnetic disc, normal operation in ℃ situation of round steel billet temperature≤600, can single handling also can many handlings.So can not carry out lifting job to the higher round steel billet of temperature.
C type hook, to the round steel billet temperature of institute's handling without specific (special) requirements, can single handling also can many handlings.But round steel billet below space requirement amount is larger when existing C type hook hook or taking off hook, easily produces simultaneously round steel billet rolling and sliding in C type hook, causes round steel billet to come off, and leads to a disaster.
Single round steel billet suspender, to the round steel billet temperature of institute's handling without specific (special) requirements, only single handling.When carrying out the lifting job that round steel billet leaves the bed, drive a vehicle each duty cycle, can only round steel billet of handling, in order to improve handling speed, it can only be the amount of leaving the bed that improves round steel billet in the unit time by the quantity that increases driving, cost is higher, not only efficient is low, also increased the difficulty of scheduling between the driving, especially driving too much can produce the phase mutual interference, actual production is difficult to conduct, cross-operation also is difficult to reach the quantity of leaving the bed of round steel billet unit time greater than the round steel billet quantity that the conticaster unit time produces, and can not satisfy the round steel billet demand of leaving the bed.
China Patent No. 200920302653.X, Granted publication day is on 02 24th, 2010, invention and created name is: suspender, this application case relates to a kind of lifting shaped steel that relates to or/and the instrument of plate, be a kind of suspender, it comprises suspension hook, left connecting rod, right connecting rod, left crank, right crank and crank base; Left connecting rod and right connecting rod are respectively the skewed left and right sides that is installed in suspension hook, and the lower end of the upper end of left connecting rod and the upper end of right connecting rod and suspension hook is hinged; Left crank and right crank are all L-shaped, the lower end of left connecting rod and the upper end of right crank are hinged, the lower end of right connecting rod and the upper end of left crank are hinged, left crank and right crank intersect mutually, between the bottom of left crank and right crank crank base is arranged, the left end of crank base and the lower hinge of left crank are together.This utility model reasonable and compact in structure, easy to use, by lever principle left chuck and right chuck are moved respectively to the inside and clamp the lifting thing in when lifting, can carry out shaped steel quickly and safely or/and plate lifting work, therefore not only improve work efficiency, also reduced the potential safety hazard that exists in the lifting work.But this patent also is once to lift a steel billet, inefficiency.
China Patent No. 200820096382.2, open day on 04 22nd, 2009, the patent document that a name is called complete mechanical type automatic sling is disclosed, this utility model discloses a kind of complete mechanical type automatic sling, comprises by lifting box, oblique arm A, oblique arm B, outer tong arm A, outer tong arm B, interior tong arm A, interior tong arm B being interconnected to constitute a connecting rod mechanism by rotating shaft; Be interconnected to constitute another connecting rod mechanism by sliding sleeve, guide rod, tapered sleeve, outer tong arm A, outer tong arm B, interior tong arm A, interior tong arm B, carriage.Have the operational space that needs less, can erect base by the clamping round steel, and can put steel billet neatly fast, Fully-mechanized easy care, simple in structure, resistant to elevated temperatures characteristics.But this patent still once can only steel billet of handling, exists efficient low, does not satisfy the problem of existing need of production.
And two parts of above-mentioned patents all are steel billet can only be blocked, but because the general length of steel billet is longer, only are clamped in the safe handling of the middle part guarantee steel billet of steel billet, otherwise easily cause clamping unstable in the process of transportation, lead to safety misadventure; On the other hand, because steel billet is heavier, so suspender is stressed also larger, in order to ensure effect, general means all are to use large diameter steel as suspender, have caused the waste of material.
Summary of the invention
The problem that solves
Once can only steel billet of handling for the suspender of existing steel billet, the quantity that the conticaster unit time produces high-temperature round bar steel is many, existing handling appliance exists efficient low, do not satisfy the problem of existing need of production, the invention provides a kind of double joint round steel billet suspender, two steel billets of its handling of energy, handling efficient doubles.
Technical scheme
In order to address the above problem, the technical solution adopted in the present invention is as follows:
A kind of double joint round steel billet suspender, comprise roller, the roller link span, the first hinge, retractor device, right upper arm, right hinge, the bottom right arm, the lower-left arm, left hinge, left upper arm, roller is connected with the roller link span, the roller link span is by the first hinge and right upper arm, left upper arm connects, right upper arm is connected with the bottom right arm by right hinge, left upper arm is connected with the lower-left arm by left hinge, clamp in the middle of also comprising, the second hinge and the 3rd hinge, the front end of described bottom right arm is left clamp, the front end of lower-left arm is right clamp, and the inboard of right clamp and left clamp is the circular groove recessed to both sides; Described middle card clamper is in the infall of bottom right arm and lower-left arm, middle clamp be shaped as heart; The left and right sides of clamp middle and upper part in the middle of described the 3rd hinge and the second hinge lay respectively at; The position, stage casing of described bottom right arm is by the 3rd hinge and middle card clipper joint, and the position, stage casing of lower-left arm is by the second hinge and middle card clipper joint; The two ends of described retractor device respectively with the first hinge and middle card clipper joint.
Further, the bottom of described middle clamp forms to umbilicate arc groove by two, and the arc groove of middle clamp is corresponding with the circular groove of right clamp and left clamp inboard.
A kind of double joint round steel billet suspender adopts the described roller of leading portion, roller link span, the first hinge, retractor device, right upper arm, right hinge, bottom right arm, middle clamp, lower-left arm, left hinge and left upper arm and annexation thereof to form holding device; Also comprise lower link and upper connecting rod, described holding device has two, lays respectively at the two ends of lower link and upper connecting rod; The two ends of described upper connecting rod are connected on the roller link span of two holding devices, and the two ends of lower link are connected on the middle clamp of two holding devices.
A kind of double joint round steel billet suspender, retractor device only adopts one, and the two ends of retractor device are from clipper joint was connected respectively and is connected with upper connecting rod with lower link with middle card with the first hinge respectively originally.
Further, the bottom of described middle clamp forms to umbilicate arc groove by two, and the arc groove of middle clamp is corresponding with the circular groove of right clamp and left clamp inboard.
Further, described upper connecting rod is inner hollow box beam consists of; Described lower link is that the cylinder of inner hollow forms.Through the test of many times checking, such combinations produce is simple, economical with materials, and also rigidity is high.
Further, the downward triangularity projection in the bottom surface in the stage casing of described upper connecting rod, the angle on two limits of projection is 120-150 °.
Further, the cross-sectional plane at described upper connecting rod two ends is oblong, and the base is a, and height is b, and thickness is ε, and the external diameter of the cylinder cross-sectional plane of lower link is D, and thickness is δ, and described a, b, ε, δ and D satisfy following formula,
Further, the two ends of described upper connecting rod being connected to the two ends that replace with upper connecting rod on the roller link span of two holding devices is connected on the first hinge of two holding devices.This combination can adopt connecting rod for circular, directly with the first chain connection at one, produce simply, be fit to the carrying of small-sized round steel billet.
Beneficial effect
Than prior art, beneficial effect of the present invention is:
(1) the present invention includes roller, the roller link span, the first hinge, retractor device, right upper arm, right hinge, the bottom right arm, the lower-left arm, left hinge, left upper arm, clamp in the middle of also comprising, the second hinge and the 3rd hinge, the front end of bottom right arm is left clamp, the front end of lower-left arm is right clamp, the inboard of right clamp and left clamp is the circular groove recessed to both sides, the middle card clamper is in the infall of bottom right arm and lower-left arm, middle clamp be shaped as heart, the left and right sides of clamp middle and upper part in the middle of the 3rd hinge and the second hinge lay respectively at, the position, stage casing of bottom right arm is by the 3rd hinge and middle card clipper joint, the position, stage casing of lower-left arm is by the second hinge and middle card clipper joint, during handling, clamp and right clamp in the middle of two round steel billets are stuck in respectively, between the left clamp, two round steel billets of simultaneously handling, handling efficiency is high;
(2) roller of the present invention, the roller link span, the first hinge, retractor device, right upper arm, right hinge, the bottom right arm, middle clamp, the lower-left arm, left hinge and left upper arm form holding device, holding device has two, lay respectively at the two ends of lower link and upper connecting rod, the two ends of upper connecting rod are connected on the roller link span of two holding devices, the two ends of lower link are connected on the middle clamp of two holding devices, the two ends of retractor device are connected with upper connecting rod with lower link respectively, adopt two holding devices to be clamped in respectively the two ends of round steel billet during the handling round steel billet, the handling process safety, round steel billet does not rock, and has avoided the generation of safety misadventure;
(3) another technical scheme of the present invention, retractor device only adopts one, the two ends of retractor device are from clipper joint was connected respectively and is connected with upper connecting rod with lower link with middle card with the first hinge respectively originally, only retractor device of needs can be finished the control to two holding devices, guaranteed the synchronism of holding device, so that during the handling round steel billet, the round steel billet two ends stressed evenly;
(4) connecting rod is the box beam formation of inner hollow in the present invention, adopts traditional box post to get final product, and production can realize mass, lower link is that the cylinder of inner hollow forms, and through the test of many times checking, such combinations produce is simple, economical with materials, and rigidity is high;
(5) two ends of retractor device of the present invention are connected with upper connecting rod with lower link respectively, the downward triangularity projection in the bottom surface in the stage casing of connecting rod in the present invention, the angle on two limits of projection is 120-150 °, the power that is arranged so that retractor device like this acts on the connecting rod uniformly, avoid stress to concentrate, guaranteed the safety of using;
(6) cross-sectional plane at connecting rod two ends is oblong in the present invention, and the base is a, and height is b, and thickness is ε, and the external diameter of the cylinder cross-sectional plane of lower link is D, and thickness is δ, and described a, b, ε, δ and D satisfy following formula,
Through test of many times, this array mode has been brought into play the best mechanical property of material so that the maxim of the power that lower link and upper connecting rod can bear is identical, and the waste of material has been avoided in the use of having saved material, has reduced productive costs;
(7) two ends of connecting rod also can be connected on the first hinge of two holding devices in the present invention, and upper connecting rod is circular, adds man-hour, and the workpiece that upper connecting rod and the first hinge are integrated is produced simply, are fit to carrying small-sized, easy round steel billet.
Description of drawings
Fig. 1 is structural front view of the present invention;
Fig. 2 is the right elevation of Fig. 1 in the embodiment of the invention 2;
Fig. 3 is the structural representation of preparation handling round steel billet of the present invention;
Structural representation when Fig. 4 is handling steel billet of the present invention.
Among the figure: 1, roller; 2, roller link span; 3, the first hinge; 4, retractor device; 5, right upper arm; 6, right hinge; 7, bottom right arm; 8, right clamp; 9, middle clamp; 91, the second hinge; 92, the 3rd hinge; 10, left clamp; 71, lower-left arm; 11, left hinge; 12, left upper arm; 13, lower link; 14, upper connecting rod; 15, the first steel billet; 16, the second steel billet.
The specific embodiment
Describe the present invention below in conjunction with concrete accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of double joint round steel billet suspender, comprise roller 1, roller link span 2, the first hinge 3, retractor device 4, right upper arm 5, right hinge 6, bottom right arm 7, lower-left arm 71, left hinge 11, left upper arm 12, roller 1 is connected with roller link span 2, roller link span 2 is by the first hinge 3 and right upper arm 5, left upper arm 12 connects, right upper arm 5 is connected with bottom right arm 7 by right hinge 6, left upper arm 12 is connected with lower-left arm 71 by left hinge 11, clamp 9 in the middle of also comprising, the second hinge 91 and the 3rd hinge 92, the front end of bottom right arm 7 is left clamp 10, the front end of lower-left arm 71 is right clamp 8, and the inboard of right clamp 8 and left clamp 10 is the circular groove recessed to both sides; Middle clamp 9 are positioned at the infall of bottom right arm 7 and lower-left arm 71, middle clamp 9 be shaped as heart; The left and right sides of clamp 9 middle and upper parts in the middle of the 3rd hinge 92 and the second hinge 91 lay respectively at; The position, stage casing of bottom right arm 7 is connected with middle clamp 9 by the 3rd hinge 92, and the position, stage casing of lower-left arm 71 is connected with middle clamp 9 by the second hinge 91; The two ends of described retractor device 4 respectively with the first hinge 3 be connected clamp 9 and be connected.The bottom of middle clamp 9 forms to umbilicate arc groove by two, and the arc groove of middle clamp 9 is corresponding with the circular groove of right clamp 8 and left clamp 10 inboards.During handling, flexible by retractor device 4 controlled the switching of right clamp 8 and left clamp 10, in the middle of two round steel billets are stuck in respectively between clamp 9 and right clamp 8, the left clamp 10, and shown in Fig. 3,4, can two round steel billets of while handling, handling efficiency is high;
Such as Fig. 1, Fig. 3, shown in Figure 4, a kind of double joint round steel billet suspender, comprise roller 1, roller link span 2, the first hinge 3, retractor device 4, right upper arm 5, right hinge 6, bottom right arm 7, lower-left arm 71, left hinge 11, left upper arm 12, roller 1 is connected with roller link span 2, roller link span 2 is by the first hinge 3 and right upper arm 5, left upper arm 12 connects, right upper arm 5 is connected with bottom right arm 7 by right hinge 6, left upper arm 12 is connected with lower-left arm 71 by left hinge 11, clamp 9 in the middle of also comprising, the second hinge 91 and the 3rd hinge 92, the front end of described bottom right arm 7 is left clamp 10, the front end of lower-left arm 71 is right clamp 8, and the inboard of right clamp 8 and left clamp 10 is the circular groove recessed to both sides; Clamp 9 are positioned at the infall of bottom right arm 7 and lower-left arm 71 in the middle of described, middle clamp 9 be shaped as heart; The left and right sides of clamp 9 middle and upper parts in the middle of described the 3rd hinge 92 and the second hinge 91 lay respectively at; The position, stage casing of described bottom right arm 7 is connected with middle clamp 9 by the 3rd hinge 92, and the position, stage casing of lower-left arm 71 is connected with middle clamp 9 by the second hinge 91; The two ends of described retractor device 4 respectively with the first hinge 3 be connected clamp 9 and be connected.Described roller 1, roller link span 2, the first hinge 3, retractor device 4, right upper arm 5, right hinge 6, bottom right arm 7, middle clamp 9, lower-left arm 71, left hinge 11 and left upper arm 12 and annexation thereof form holding device; Also comprise lower link 13 and upper connecting rod 14, described holding device has two, lays respectively at the two ends of lower link 13 and upper connecting rod 14; The two ends of described upper connecting rod 14 are connected on the roller link span 2 of two holding devices, and the two ends of lower link 13 are connected on the middle clamp 9 of two holding devices.The bottom of middle clamp 9 forms to umbilicate arc groove by two, and the arc groove of middle clamp 9 is corresponding with the circular groove of right clamp 8 and left clamp 10 inboards.Two holding devices of employing are clamped in respectively the two ends of round steel billet during the handling round steel billet, the handling process safety, and round steel billet does not rock, and has avoided the generation of safety misadventure.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, with embodiment 2, difference is that 4 of retractor devices adopt one, the two ends of retractor device 4 from originally respectively with the first hinge 3 be connected clamp 9 and be connected to replace with respectively and be connected with upper connecting rod 14 with lower link 13.The box beam that upper connecting rod 14 is inner hollow consists of; Lower link 13 is that the cylinder of inner hollow forms.Through the test of many times checking, such combinations produce is simple, economical with materials, and also rigidity is high.
The downward triangularity projection in the bottom surface in the stage casing of upper connecting rod 14, the angle on two limits of projection is 120-150 °.The angle on two limits of projection this scope can, the present embodiment has preferably been selected 130 °, such power that is arranged so that retractor device 4 acts on the connecting rod 14 uniformly, has avoided stress to concentrate.
The cross-sectional plane at upper connecting rod 14 two ends is oblong, and the base is a, and height is b, and thickness is ε, and the external diameter of the cylinder cross-sectional plane of lower link 13 is D, and thickness is δ, and described a, b, ε, δ and D satisfy following formula,
This array mode is so that the maxim of the power that lower link and upper connecting rod can bear is more approaching, the performance of amplitude peak the mechanical property of material, saved material.This array mode is so that the maxim of the power that lower link 13 and upper connecting rod 14 can bear is identical, the performance of amplitude peak the mechanical property of material, saved material.Length of side a selects 260mm, b selects 360mm, thickness ε selects 10mm, the thickness δ of the cylinder cross-sectional plane of lower link 13 selects 30mm, D=200mm(calculates in theory and be 199.48, be proof strength, selected the compute mode of carry, so selected 200mm), the material of lower link 13 and upper connecting rod 14 is all selected the Q235 steel grade, through overtesting, increase the weight of round steel billet, when the total weight of two steel billets is increased to 18 tons always, faint yield phenomenon appears in lower link 13, when the weight of two steel billets was increased to 18.5 tons, bending had also appearred in upper connecting rod 14, and plastic deformation appears in lower link 13.Illustrated that the lower link 13 of this formula to calculating and the cooperation of upper connecting rod 14 have reached best of breed.
During use, this device is placed on the round steel billet, retractor device 4 shrinks, so that left clamp 10 and right clamp 8 open, make right clamp 8 and the space of middle clamp 9 face toward the first steel billet 15, left clamp 10 face toward the second steel billet 16 with the space of middle clamp 9, as shown in Figure 3, retractor device 4 elongations this moment, right clamp 8, left clamp 10 descend with the height of middle clamp 9, simultaneously right clamp 8 all diminish with the space of middle clamp 9 and the space of left clamp 10 and middle clamp 9, so that the first steel billet 15, the second steel billet 16 is clamped in respectively between right clamp 8 and middle clamp 9 and left clamp 10 and the middle clamp 9, as shown in Figure 4, mobile the present invention this moment can finish the handling of round steel billet.
With embodiment 3, difference is, 4 of retractor devices adopt one, the two ends of retractor device 4 from originally respectively with the first hinge 3 be connected clamp 9 and be connected to replace with respectively and be connected with upper connecting rod 14 with lower link 13, and the two ends of upper connecting rod 14 are connected to the two ends that replace with upper connecting rod 14 on the roller link span 2 of two holding devices and are connected on the first hinge 3 of two holding devices.This combination can adopt connecting rod for circular, directly with the first chain connection at one, produce simply, be fit to the carrying of small-sized round steel billet.
Claims (9)
1. double joint round steel billet suspender, comprise roller (1), roller link span (2), the first hinge (3), retractor device (4), right upper arm (5), right hinge (6), bottom right arm (7), lower-left arm (71), left hinge (11), left upper arm (12), roller (1) is connected with roller link span (2), roller link span (2) is by the first hinge (3) and right upper arm (5), left upper arm (12) connects, right upper arm (5) is connected with bottom right arm (7) by right hinge (6), left upper arm (12) is connected with lower-left arm (71) by left hinge (11), it is characterized in that: clamp (9) in the middle of also comprising, the second hinge (91) and the 3rd hinge (92), the front end of described bottom right arm (7) is left clamp (10), the front end of lower-left arm (71) is right clamp (8), and the inboard of right clamp (8) and left clamp (10) is the circular groove recessed to both sides; Clamp (9) are positioned at the infall of bottom right arm (7) and lower-left arm (71) in the middle of described, middle clamp (9) be shaped as heart; The left and right sides of clamp (9) middle and upper part in the middle of described the 3rd hinge (92) and the second hinge (91) lay respectively at; The position, stage casing of described bottom right arm (7) is connected with middle clamp (9) by the 3rd hinge (92), and the position, stage casing of lower-left arm (71) is connected with middle clamp (9) by the second hinge (91); The two ends of described retractor device (4) respectively with the first hinge (3) be connected clamp (9) and be connected.
2. double joint round steel billet suspender according to claim 1, it is characterized in that, the bottom of clamp (9) forms to umbilicate arc groove by two in the middle of described, and the arc groove of middle clamp (9) is corresponding with the circular groove of right clamp (8) and left clamp (10) inboard.
3. a double joint round steel billet suspender adopts roller claimed in claim 1 (1), roller link span (2), the first hinge (3), retractor device (4), right upper arm (5), right hinge (6), bottom right arm (7), middle clamp (9), lower-left arm (71), left hinge (11) and left upper arm (12) and annexation thereof to form holding device; It is characterized in that, also comprise lower link (13) and upper connecting rod (14), described holding device has two, lays respectively at the two ends of lower link (13) and upper connecting rod (14); The two ends of described upper connecting rod (14) are connected on the roller link span (2) of two holding devices, and the two ends of lower link (13) are connected on the middle clamp (9) of two holding devices.
4. a kind of double joint round steel billet suspender claimed in claim 3, it is characterized in that, retractor device (4) only adopts one, the two ends of retractor device (4) from originally respectively with the first hinge (3) be connected clamp (9) and be connected to replace with respectively and be connected with upper connecting rod (14) with lower link (13).
According to claim 4 in the described double joint round steel billet of any one suspender, it is characterized in that, the bottom of clamp (9) forms to umbilicate arc groove by two in the middle of described, and the arc groove of middle clamp (9) is corresponding with the circular groove of right clamp (8) and left clamp (10) inboard.
6. double joint round steel billet suspender according to claim 4 is characterized in that, described upper connecting rod (14) is that the box beam of inner hollow consists of; Described lower link (13) is that the cylinder of inner hollow forms.
7. double joint round steel billet suspender according to claim 6 is characterized in that, the downward triangularity projection in the bottom surface in the stage casing of described upper connecting rod (14), and the angle on two limits of projection is 120-150 °.
8. double joint round steel billet suspender according to claim 7 is characterized in that, the cross-sectional plane at described upper connecting rod (14) two ends is oblong, and the base is a, and height is b, and thickness is
, the external diameter of the cylinder cross-sectional plane of lower link (13) is D, thickness is
, described a, b,
,
Satisfy following formula with D,
9. double joint round steel billet suspender according to claim 4, it is characterized in that, the two ends of described upper connecting rod (14) are connected to the two ends that replace with upper connecting rod (14) on the roller link span (2) of two holding devices and are connected on first hinge (3) of two holding devices.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544344 CN202897824U (en) | 2012-10-23 | 2012-10-23 | Double-circular steel billet lifting appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220544344 CN202897824U (en) | 2012-10-23 | 2012-10-23 | Double-circular steel billet lifting appliance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862912A (en) * | 2012-10-23 | 2013-01-09 | 安徽马钢工程技术有限公司 | Double-round steel billet hanger |
| CN104925651A (en) * | 2015-07-02 | 2015-09-23 | 石磊 | Horizontal rolling spreader |
| CN113213331A (en) * | 2021-07-07 | 2021-08-06 | 河南卫华重型机械股份有限公司 | Single-double-string crane lifting appliance device with discontinuous graphite electrodes |
-
2012
- 2012-10-23 CN CN 201220544344 patent/CN202897824U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862912A (en) * | 2012-10-23 | 2013-01-09 | 安徽马钢工程技术有限公司 | Double-round steel billet hanger |
| CN102862912B (en) * | 2012-10-23 | 2015-03-25 | 安徽马钢工程技术集团有限公司 | Double-round steel billet hanger |
| CN104925651A (en) * | 2015-07-02 | 2015-09-23 | 石磊 | Horizontal rolling spreader |
| CN113213331A (en) * | 2021-07-07 | 2021-08-06 | 河南卫华重型机械股份有限公司 | Single-double-string crane lifting appliance device with discontinuous graphite electrodes |
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Owner name: ANHUI MASTEEL ENGINEERING + TECHNOLOGY GROUP CO., Free format text: FORMER NAME: ANHUI MASTEEL ENGINEERING + TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 243000 No. 1889 Taibai Avenue, Ma'anshan economic and Technological Development Zone, Ma'anshan, Anhui Patentee after: ANHUI MASTEEL ENGINEERING & TECHNOLOGY GROUP Co.,Ltd. Address before: 243000 Anhui province Ma'anshan city rain mountain West Road No. 33 Patentee before: Anhui Masteel Engineering & Technology Co.,Ltd. |
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Granted publication date: 20130424 |