CN104925652A - Lifting tool - Google Patents
Lifting tool Download PDFInfo
- Publication number
- CN104925652A CN104925652A CN201510416066.3A CN201510416066A CN104925652A CN 104925652 A CN104925652 A CN 104925652A CN 201510416066 A CN201510416066 A CN 201510416066A CN 104925652 A CN104925652 A CN 104925652A
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- CN
- China
- Prior art keywords
- cyclic structure
- lifting
- connecting portion
- lifting portion
- suspender
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
Abstract
The invention provides a lifting tool and belongs to the field of building equipment. The lifting tool comprises a first lifting part, a second lifting part, a third lifting part and a fourth lifting part. The first lifting part and the second lifting part are fixedly connected through a first connecting part and a second connecting part, and the first lifting part and the second lifting part form a first annular structure. The third lifting part and the fourth lifting part are fixedly connected through a third connecting part and a fourth connecting part, and the third lifting part and the fourth lifting part form a second annular structure. The first annular structure and the second annular structure are arranged in a crossed mode, the first connecting part and the third connecting part are hinged at the crossed part, and the second connecting part and the fourth connecting part are connected at the crossed part. The first lifting part and the fourth lifting part are provided with a first fixing part and a second fixing part respectively, wherein the first fixing part and the second fixing part are used for being connected with a steel rope. The lifting tool is simple in structure, convenient to mount and demount, safe and reliable when steel is lifted, capable of ensuring the lifting perpendicularity and more convenient to use.
Description
Technical field
The present invention relates to Architectural Equipment field, in particular to a kind of suspender.
Background technology
When constructing on building sites, usually need steel or other components to be delivered to eminence, now need to adopt lifting device by steel or member lifts, then carry out follow-up work.In prior art, the lifting of steel adopts steel wire loop, and steel wire loop needs to fasten by lifting object, and the safety in utilization of steel wire loop is low, and fitting operation is loaded down with trivial details, after rigging out, is not easy to dismounting; Meanwhile, steel wire loop is difficult to the squareness ensureing lifting object when lifting, use inconvenience; In prior art, also stone tongs is adopted to carry out the lifting of steel, stone tongs has two holding parts, by the gripping power between two holding parts, steel clamping is lifted, when stone tongs is installed, need the accurate Clamping force controlling two holding parts, when Clamping force is less, steel easily come off, and Transport Safety is low; When Clamping force is larger, easily damage steel, increase use cost.
Summary of the invention
The object of the present invention is to provide a kind of suspender, safety problem that is low and complex operation when lifting when causing lifting so that the hanger structure improving prior art is single.
The present invention is achieved in that
Based on above-mentioned purpose, the invention provides a kind of suspender, described suspender comprises the first lifting portion, the second lifting portion, the 3rd lifting portion and the 4th lifting portion, wherein:
Described first lifting portion and described second lifting portion are fixedly connected with by the first connecting portion and the second connecting portion, and described first lifting portion and described second lifting portion form the first cyclic structure; Described 3rd lifting portion and described 4th lifting portion are fixedly connected with by the 3rd connecting portion and the 4th connecting portion, and described 3rd lifting portion and described 4th lifting portion form the second cyclic structure; Described first cyclic structure and described second cyclic structure arranged in a crossed manner, and described first connecting portion and described 3rd connecting portion hinged in infall, described second connecting portion and described 4th connecting portion hinged in infall;
Described first lifting portion and described 4th lifting portion are also respectively arranged with the first fixed part for connecting steel cable and the second fixed part.
Preferably, described first cyclic structure and described second cyclic structure are circular, and the articulated position of the articulated position of described first connecting portion and described 3rd connecting portion and described second connecting portion and described 4th connecting portion is positioned at the diametrically same of described first cyclic structure.
Preferably, the internal diameter of described first cyclic structure is less than the internal diameter of described second cyclic structure.
Preferably, described first connecting portion and described 3rd connecting portion pass through bolted splice, the inwall of described first connecting portion has depressed part, the nut being positioned at described first cyclic structure of described bolt is clamped on described depressed part, and the end face of described nut does not protrude the inwall of described first connecting portion along the direction towards the center of circle of described first cyclic structure.
Preferably, described first fixed part and described second fixed part are all set to lug, described lug protrudes described first lifting portion and described 4th lifting portion respectively along the direction of the line of centers of described first cyclic structure, described lug has through hole, and described through hole extends along the radial direction of described first cyclic structure.
Preferably, two described lugs are positioned at the diametrically same of described first cyclic structure.
Preferably, described suspender also comprises rubber layer, and described rubber layer is fitted in the inwall of described first cyclic structure and the inwall of described second cyclic structure respectively.
Preferably, the inwall in described second lifting portion and the inwall in described 4th lifting portion have groove respectively, and described rubber layer is clamped in corresponding described groove.
Preferably, described first connecting portion, described second connecting portion, described first lifting portion and described second lifting portion are structure as a whole.
Preferably, described 3rd connecting portion, described 4th connecting portion, described 3rd lifting portion and described 4th lifting portion are structure as a whole.
The invention has the beneficial effects as follows:
In sum, suspender provided by the invention, its structure is simple, and the combination of all parts is tight, and during work, matching relationship is good, safe and reliable during lifting steel, and mounting hanger and dismounting suspender convenient to operation, be suitable for large range promotion use, specific as follows:
This suspender comprises multiple lifting portion, and corresponding lifting portion is connected to form cyclic structure by connecting portion, meanwhile, hinged between corresponding connecting portion, and the structure of whole suspender is simple, and processing and fabricating is convenient.During use, by the cyclic structure that steel are formed through multiple lifting portion, the shape of cyclic structure and the outline of steel match, and during suspender work, the inwall of cyclic structure is clamped on the outside face of steel.This suspender utilizes the friction force between steel and lifting portion to provide gripping power, in the scope of maximum static friction force, the weight of steel is larger, then gripping power is larger, ensure that steel can be good at being clamped on fixture, compare traditional fixture and need the strict Clamping force controlling holding part, the use of this suspender is convenient, uses safer; When using fixture, be plugged on by steel in cyclic structure, then, utilize steel cable to be fixedly connected on fixed part, Winding rope, under the self gravitation effect of steel, the lifting portion of suspender is clamped in steel outer wall, realizes lifting; After being lifted into the predetermined area, steel lifting portion that is automatic and suspender unclamps, and is taken out by steel, simple and quick.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the constructional drawing of suspender provided by the invention;
Fig. 2 is the longitdinal cross-section diagram of the first cyclic structure of suspender provided by the invention;
Fig. 3 is the view in transverse section of the first cyclic structure of suspender provided by the invention;
Fig. 4 is the application drawing of suspender provided by the invention.
Reference numeral gathers:
First lifting portion of lifting portion of lifting portion of lifting portion 100, second the 200, three the 300, four 400, first connecting portion 500, second connecting portion the 600, three connecting portion the 700, four connecting portion 800, first cyclic structure 900, second cyclic structure 901;
Bolt 101, depressed part 102, lug 103, through hole 104, rubber layer 105, groove 106;
Steel pipe 201.
Detailed description of the invention
When constructing in building ground, when utilizing stone tongs steel transportation, need the end holding part of stone tongs being arranged on steel, then adjust the Clamping force of holding part, when Clamping force can make steel sling and holding part can not damage steel, lifting action can be carried out.When utilizing this stone tongs, the fitting operation of fixture is complicated, wastes time and energy; During lifting, Clamping force is too small, the easy landing of steel, and safety is low; Clamping force is excessive, fragile steel, and waste material, increases use cost.
Given this, designer of the present invention devises suspender, and the structure of this suspender is simple, easily manufactured, low cost of manufacture, is applicable to promoting the use of in enormous quantities, on a large scale.When using this suspender, the friction force between the lifting portion of this suspender and steel is utilized to provide gripping power, in the scope of maximum static friction force, the gravity of gripping power and steel self is directly proportional, steel weight is heavier, and Clamping force is larger, ensure that the safety in hoisting process.And suspender is easy to use, time saving and energy saving.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In describing the invention, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this invention product orientation of usually putting or position relationship when using, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case above-mentioned term concrete meaning in the present invention can be understood.
Refer to Fig. 1-4, present embodiments provide a kind of suspender, described suspender comprises the first lifting portion 200 of lifting portion 100, second, the 3rd lifting portion 300 and the 4th lifting portion 400, wherein:
Described first lifting portion 100 and described second lifting portion 200 are fixedly connected with by the first connecting portion 500 and the second connecting portion 600, and described first lifting portion 100 forms the first cyclic structure 900 with described second lifting portion 200; Described 3rd lifting portion 300 and described 4th lifting portion 400 are fixedly connected with by the 3rd connecting portion 700 and the 4th connecting portion 800, and described 3rd lifting portion 300 forms the second cyclic structure 901 with described 4th lifting portion 400; Described first cyclic structure 900 is arranged in a crossed manner with described second cyclic structure 901, and described first connecting portion 500 is hinged in infall with described 3rd connecting portion 700, and described second connecting portion 600 is hinged in infall with described 4th connecting portion 800.
Described first lifting portion 100 and described 4th lifting portion 400 are also respectively arranged with the first fixed part for connecting steel cable and the second fixed part.
The suspender that the present embodiment provides, its structure is simple, all parts in conjunction with tight, during work, the matching relationship of all parts is good, safe and reliable during lifting steel, and mounting hanger and dismounting suspender convenient to operation, be suitable for large range promotion use, specific as follows:
This suspender comprises multiple lifting portion, and corresponding lifting portion is connected to form cyclic structure by connecting portion, meanwhile, hinged between corresponding connecting portion, and the structure of whole suspender is simple, and processing and fabricating is convenient.During use, by the cyclic structure that steel are formed through multiple lifting portion, the shape of cyclic structure and the outline of steel match, and during suspender work, the inwall of cyclic structure is clamped on the outside face of steel.This suspender utilizes the friction force between steel and lifting portion to provide gripping power, in the scope of maximum static friction force, the weight of steel is larger, then gripping power is larger, ensure that steel can be good at being clamped on fixture, compare traditional fixture and need the strict Clamping force controlling holding part, the use of this suspender is convenient, uses safer; When using fixture, be plugged on by steel in cyclic structure, then, utilize steel cable to be fixedly connected on fixed part, Winding rope, under the self gravitation effect of steel, the lifting portion of suspender is clamped in steel outer wall, realizes lifting; After being lifted into the predetermined area, steel lifting portion that is automatic and suspender unclamps, and is taken out by steel, simple and quick.
Refer to Fig. 1, this figure clearly indicates the constructional drawing of the first cyclic structure 900 and the second cyclic structure 901, also clearly illustrates the annexation of the first cyclic structure 900 and the second cyclic structure 901 simultaneously.In figure, the front view of described first cyclic structure 900 is in " Z " font, namely the first lifting portion 100 and described second lifting portion 200 are that hierarchic structure is arranged along the bearing of trend of the line of centers of described first cyclic structure 900, described second cyclic structure 901 is the hierarchic structure matched with described first cyclic structure 900, when described first cyclic structure 900 relatively rotates with described second cyclic structure 901, rotate more flexible, be convenient to clamp the steel being positioned at the first cyclic structure 900 and the second cyclic structure 901.
The range of use of this suspender is wide, and the type of goods that can lift by crane is many, for convenience of description, adopts steel as example during embody rule in the present embodiment.Man-hour is added actual, better in order to ensure the clamping effect between lifting portion and steel, described first lifting portion 100 is identical with the internal diameter of the second cyclic structure 901 that described 4th lifting portion 400 is formed with described 3rd lifting portion 300 with the internal diameter of the first cyclic structure 900 that described second lifting portion 200 is formed, now, can together with cross-articulation for the ease of the first cyclic structure 900 and the second cyclic structure 901, described first cyclic structure 900 welds formation respectively with described second cyclic structure 901, the mode of welding is simple and reliable, and be convenient to the position of control first cyclic structure 900 and the second cyclic structure 901, during suspender work, clamping effect is better.
In the preferred version of this embodiment, described first cyclic structure 900 and described second cyclic structure 901 are circular, and described first connecting portion 500 is positioned at the diametrically same of described first cyclic structure 900 with the articulated position of described 3rd connecting portion 700 and the articulated position of described second connecting portion 600 and described 4th connecting portion 800.Refer to Fig. 4, Fig. 4 shows schematic diagram during lifting steel pipe 201, and when building operation, the intensity of steel pipe 201 is high, convenient processing and manufacture, and therefore, steel pipe 201 is applied comparatively extensive, and building especially at crosshead, uses more.First cyclic structure 900 and the second cyclic structure 901 are designed to circular, applied range, during lifting steel pipe 201, utilize this suspender convenient to operation.
In the use procedure of suspender, need to utilize steel cable to be fixed on the fixed part of suspender, in the preferred version of this embodiment, described first fixed part and described second fixed part are all set to lug 103, described lug 103 protrudes described first lifting portion 100 and described 4th lifting portion 400 respectively along the direction of the line of centers of described first cyclic structure 900, described lug 103 has through hole 104, and described through hole 104 extends along the radial direction of described first cyclic structure 900.The structure of fixed part is simple, easy to process, is convenient to being fixedly connected with of steel cable.Steel cable is fixed on lug 103 through after the through hole 104 on described lug 103, and steel cable not easily loosens, and hoisting process is safer.
In the preferred version of above-mentioned embodiment, two described lugs 103 are positioned at the diametrically same of described first cyclic structure 900, and force is more even, and in lifting process, the clamping effect between lifting portion and steel is better.
In hoisting process, suspender utilizes the friction force between lifting portion and steel to provide gripping power, and gripping power is directly proportional to friction force; Therefore, in order to increase gripping power further, ensure that in hoisting process, steel not easily slide, in the preferred version of this embodiment, described suspender also comprises rubber layer 105, and described rubber layer 105 is fitted in the inwall of described first cyclic structure 900 and the inwall of described second cyclic structure 901 respectively.The thickness of rubber layer 105 sets according to actual conditions, and steel are clamped in cyclic structure by rubber layer 105, and when steel contact with rubber layer 105, steel extruding rubber layer 105, make rubber layer 105 that deformation occur, the contact in steel and lifting portion is tightr.
Refer to Fig. 1, during lifting, relatively rotate between first cyclic structure 900 and the second cyclic structure 901, the area of contact being positioned at lifting portion near articulated position and steel constantly reduces, may space be there is in lifting portion, some positions and steel, therefore, rubber layer 105 is set, effectively improves the generation of this situation.When rubber layer 105 works, rubber layer 105 is in squeezed state, there is the ability recovering deformation, therefore, it is possible to when space appears in lifting portion and steel, fill up this space, make rubber layer 105 and steel close contact, between rubber layer 105 and steel, there is friction force, therefore, ensure that having enough gripping powers clamps steel, lifts safer.In the preferred version of this embodiment, the thickness of described rubber layer 105 is different along the direction of the line of centers of described first cyclic structure 900, concrete, thickness near the described rubber layer 105 at articulated position place is greater than the thickness of the rubber layer 105 away from the both sides at articulated position place, and clamping effect is better.
In the preferred version of above-mentioned embodiment, the inwall in described second lifting portion 200 and the inwall in described 4th lifting portion 400 have groove 106 respectively, described rubber layer 105 is clamped in corresponding described groove 106, rubber layer 105 easy for installation, and after rubber layer 105 installation, more firm with the combination in lifting portion, long service life, uses more safe and reliable.
In the actual installation process of rubber layer 105, the thickness of rubber layer 105 is greater than the degree of depth of described groove 106, after rubber layer 105 is installed, rubber layer 105 protrudes described groove 106 along the reversing sense in the depression direction of described groove 106, rubber layer 105 is tightr with the contact of steel, add friction force, clamping effect is good.
Rubber layer 105 can not only play the effect of increasing friction force, is linked together between lifting portion and steel by rubber layer 105 meanwhile, has protection steel not by the effect of scratching.
In the preferred version of this embodiment, the internal diameter of described first cyclic structure 900 is less than the internal diameter of described second cyclic structure 901, and the second cyclic structure 901 is enclosed within the first cyclic structure 900, fast easier for installation.In the preferred version of this embodiment, described first connecting portion 500, described second connecting portion 600, described first lifting portion 100 and described second lifting portion 200 are structure as a whole, and the sound construction of the first cyclic structure 900, intensity is high, long service life.Further, described 3rd connecting portion 700, described 4th connecting portion 800, described 3rd lifting portion 300 and described 4th lifting portion 400 are structure as a whole, and the sound construction of the second cyclic structure 901, intensity is high, long service life.First cyclic structure 900 and the described suspender of the hinged formation of the second cyclic structure 901, the intensity of suspender is high, long service life.
In the preferred version of this embodiment, described first connecting portion 500 is hinged by bolt 101 with described 3rd connecting portion 700, the inwall of described first connecting portion 500 has depressed part 102, the nut being positioned at described first cyclic structure 900 of described bolt 101 is clamped on described depressed part 102, and the end face of described nut does not protrude the inwall of described first connecting portion 500 along the direction towards the center of circle of described first cyclic structure 900.The structure of bolt 101 is simple, and intensity is high, and range of use is wide, low cost of manufacture; And the installation of bolt 101 is convenient with replacing, after bolt 101 period of service is long, occur the situation of wearing and tearing, needs change bolt 101 in time, ensure the safety used.After nut screws, the nut being positioned at the first cyclic structure 900 does not protrude the inwall of the first cyclic structure 900, and during lifting steel, nut can not scratch the surface of steel, and meanwhile, the contact of lifting portion and steel is more tight, and clamping effect is better.In like manner, it is hinged that the second connecting portion 600 and the 4th connecting portion 800 pass through bolt 101, and its hinged structure is identical with the 3rd connecting portion 700 with the first connecting portion 500, at this, does not specifically describe.
The structure of this suspender is simple, safe and reliable during lifting, meanwhile, can ensure the squareness of steel, constructability.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a suspender, is characterized in that, described suspender comprises the first lifting portion, the second lifting portion, the 3rd lifting portion and the 4th lifting portion, wherein:
Described first lifting portion and described second lifting portion are fixedly connected with by the first connecting portion and the second connecting portion, and described first lifting portion and described second lifting portion form the first cyclic structure; Described 3rd lifting portion and described 4th lifting portion are fixedly connected with by the 3rd connecting portion and the 4th connecting portion, and described 3rd lifting portion and described 4th lifting portion form the second cyclic structure; Described first cyclic structure and described second cyclic structure arranged in a crossed manner, and described first connecting portion and described 3rd connecting portion hinged in infall, described second connecting portion and described 4th connecting portion hinged in infall;
Described first lifting portion and described 4th lifting portion are also respectively arranged with the first fixed part for connecting steel cable and the second fixed part.
2. suspender according to claim 1, it is characterized in that, described first cyclic structure and described second cyclic structure are circular, and the articulated position of the articulated position of described first connecting portion and described 3rd connecting portion and described second connecting portion and described 4th connecting portion is positioned at the diametrically same of described first cyclic structure.
3. suspender according to claim 2, is characterized in that, the internal diameter of described first cyclic structure is less than the internal diameter of described second cyclic structure.
4. suspender according to claim 3, it is characterized in that, described first connecting portion and described 3rd connecting portion pass through bolted splice, the inwall of described first connecting portion has depressed part, the nut being positioned at described first cyclic structure of described bolt is clamped on described depressed part, and the end face of described nut does not protrude the inwall of described first connecting portion along the direction towards the center of circle of described first cyclic structure.
5. suspender according to claim 4, it is characterized in that, described first fixed part and described second fixed part are all set to lug, described lug protrudes described first lifting portion and described 4th lifting portion respectively along the direction of the line of centers of described first cyclic structure, described lug has through hole, and described through hole extends along the radial direction of described first cyclic structure.
6. suspender according to claim 5, is characterized in that, two described lugs are positioned at the diametrically same of described first cyclic structure.
7. the suspender according to any one of claim 1-6, is characterized in that, described suspender also comprises rubber layer, and described rubber layer is fitted in the inwall of described first cyclic structure and the inwall of described second cyclic structure respectively.
8. suspender according to claim 7, is characterized in that, the inwall in described second lifting portion and the inwall in described 4th lifting portion have groove respectively, and described rubber layer is clamped in corresponding described groove.
9. suspender according to claim 7, is characterized in that, described first connecting portion, described second connecting portion, described first lifting portion and described second lifting portion are structure as a whole.
10. suspender according to claim 9, is characterized in that, described 3rd connecting portion, described 4th connecting portion, described 3rd lifting portion and described 4th lifting portion are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510416066.3A CN104925652B (en) | 2015-07-15 | 2015-07-15 | Lifting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510416066.3A CN104925652B (en) | 2015-07-15 | 2015-07-15 | Lifting tool |
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| Publication Number | Publication Date |
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| CN104925652A true CN104925652A (en) | 2015-09-23 |
| CN104925652B CN104925652B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510416066.3A Active CN104925652B (en) | 2015-07-15 | 2015-07-15 | Lifting tool |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1913458A (en) * | 1932-09-30 | 1933-06-13 | Theodore C Sederland | Hoisting device |
| US2749173A (en) * | 1952-06-06 | 1956-06-05 | United States Steel Corp | Gripping apparatus for handling elongated objects |
| US4000922A (en) * | 1974-10-24 | 1977-01-04 | Wade John A | Collapsible carrier for kegs |
| US4795202A (en) * | 1988-03-22 | 1989-01-03 | Mader Stephen M | Lifting handle for pressurized gas containers |
| US6840556B1 (en) * | 2002-09-26 | 2005-01-11 | Larry K. Catlett | Device for lifting gas cylinders |
| CN203691178U (en) * | 2013-12-18 | 2014-07-02 | 宁波菲仕运动控制技术有限公司 | Hoisting tool of motor stator |
| CN204778360U (en) * | 2015-07-15 | 2015-11-18 | 中国五冶集团有限公司 | Slings for lifting loads |
-
2015
- 2015-07-15 CN CN201510416066.3A patent/CN104925652B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1913458A (en) * | 1932-09-30 | 1933-06-13 | Theodore C Sederland | Hoisting device |
| US2749173A (en) * | 1952-06-06 | 1956-06-05 | United States Steel Corp | Gripping apparatus for handling elongated objects |
| US4000922A (en) * | 1974-10-24 | 1977-01-04 | Wade John A | Collapsible carrier for kegs |
| US4795202A (en) * | 1988-03-22 | 1989-01-03 | Mader Stephen M | Lifting handle for pressurized gas containers |
| US6840556B1 (en) * | 2002-09-26 | 2005-01-11 | Larry K. Catlett | Device for lifting gas cylinders |
| CN203691178U (en) * | 2013-12-18 | 2014-07-02 | 宁波菲仕运动控制技术有限公司 | Hoisting tool of motor stator |
| CN204778360U (en) * | 2015-07-15 | 2015-11-18 | 中国五冶集团有限公司 | Slings for lifting loads |
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| Publication number | Publication date |
|---|---|
| CN104925652B (en) | 2017-05-03 |
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