CN204096916U - Coil grab and clamping piece thereof - Google Patents
Coil grab and clamping piece thereof Download PDFInfo
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- CN204096916U CN204096916U CN201420452604.5U CN201420452604U CN204096916U CN 204096916 U CN204096916 U CN 204096916U CN 201420452604 U CN201420452604 U CN 201420452604U CN 204096916 U CN204096916 U CN 204096916U
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- clamping piece
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- strip
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Abstract
The utility model relates to coil grab and clamping piece thereof, coil grab comprises suspender body, suspender body is hinged with the clamping piece that hinge axes extends along the longitudinal direction, clamping piece has and holds out against side face for what hold out against corresponding coil of strip, be involute shape perpendicular to the cross sectional shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece.The utility model solve clamping piece in prior art can only hold out against thinner thickness coil of strip and can not to the coil of strip that thickness is thicker the firm problem held out against.
Description
Technical field
The utility model relates to coil grab in handling field and clamping piece thereof.
Background technology
Conveniently process steel, store and transport, generally by steel hot pressing or cold isostatic compaction, shaping steel are web-like, and weight, generally between 15-30 ton, adopts hoisting crane to load and unload during use.When coil of strip axis is the level of state, coil of strip is close to mode of operation, and the handling of coil of strip is safer, but during actual use, coil of strip is likely that axis is vertical state, and this just needs to use special coil grab to carry out handling or upset to coil of strip.Existing coil grab is " a kind of steel-coil overturning suspender " disclosed in Chinese patent CN103496628A, this suspender comprises suspender body, the tie-beam that suspender body comprises left and right column and is connected between two columns, two columns and tie-beam form portal structures, suspender also comprises the clamping piece of structure triangular in shape, the middle part of clamping piece is articulated with on left column, what right-hand member side face (i.e. a bight side face of the triangle clamping piece) outer peripheral face of clamping piece was configured for holding out against coil of strip holds out against side face, and the left end of clamping piece is provided with steel rope installation portion.Be inserted in the endoporus of coil of strip by right column during use, make the steel rope that crane is connected with steel rope installation portion, clamping piece rotates around himself hinge axes and makes to hold out against side face and right column coordinates and clamped by coil of strip.Existing this coil grab Problems existing is: hold out against side face and be made up of the side face in a bight of triangle clamping piece, the area holding out against side face is less, when the coil of strip clamping to various thickness, substantially be all that the diverse location of the same position and coil of strip holding out against side face carries out top and presses, this just causes following problem, when the coil of strip of handling thinner thickness, hold out against the upper position place that side face can withstand coil of strip, ensure the safety of handling process, when the coil of strip that handling thickness is thicker, hold out against the upper position place that side face can only withstand coil of strip, this just easily causes the Clamping force of clamping piece to coil of strip inadequate, there is potential safety hazard, if the position holding out against side face top coil of strip is in addition too high, also coil of strip can be caused not easily to overturn, after coil of strip is sling by hoisting crane, the angle of inclination of coil of strip is not enough to upset not, must allow coil of strip in tow, just can complete the upset of coil of strip after driving coil of strip translation one segment distance by hoisting crane, this process not only labor content is large, and there is larger potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide a kind of clamping piece, with solve clamping piece in prior art can only hold out against thinner thickness coil of strip and can not to the coil of strip that thickness is thicker the firm problem held out against; The purpose of this utility model is also to provide a kind of coil grab using this clamping piece.
In order to solve the problem, in the utility model, the technical scheme of coil grab is:
Coil grab, comprise suspender body, suspender body is hinged with the clamping piece that hinge axes extends along the longitudinal direction, clamping piece has and holds out against side face for what hold out against corresponding coil of strip, be involute shape perpendicular to the cross sectional shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece.
Retracing spring is provided with between described suspender body and clamping piece.
Described retracing spring be connected to described clamping piece and suspender body tie-beam between reset tension spring.
In the utility model, the technical scheme of clamping piece is:
The clamping piece of coil grab, comprise clamping piece body, clamping piece body is provided with the articulated structure for being hinged and connected with corresponding suspender body, the hinge axes bearing of trend of definition articulated structure is fore-and-aft direction, clamping piece body has and holds out against side face for what hold out against corresponding coil of strip, be involute shape perpendicular to the cross sectional shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece.
The beneficial effects of the utility model are: in the utility model, be involute shape perpendicular to the shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece, this also just makes when holding out against the coil of strip of different-thickness, hold out against side face diverse location and coil of strip holds out against, when the coil of strip thicker to thickness holds out against, hold out against position that on side face, distance clamping piece hinge axes is nearer and coil of strip holds out against, when holding out against the coil of strip of thinner thickness, hold out against position that on side face, distance clamping piece hinge axes is far away and coil of strip holds out against, all can not be too high by holding out against side face diverse location place and coil of strip and hold out against and ensureing that clamping piece holds out against position, thus ensure that clamping piece is to the Clamping force of coil of strip.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model.
Detailed description of the invention
The embodiment of coil grab is as shown in Figure 1: comprise suspender body and clamping piece 6, suspender body comprises left column 3, right column 10 and is connected to the tie-beam 2 of left and right column upper end, and left and right column and tie-beam form portal structures.Clamping piece comprises clamping piece body, the middle part of clamping piece body is provided with the articulated structure for being hinged and connected with left column 3, the bearing of trend of the hinge axes of articulated structure is fore-and-aft direction, in the present embodiment, articulated structure is a clamping piece hinge hole, left column is provided with the column hinge hole corresponding with clamping piece hinge hole, jointed shaft 11 is coated with in clamping piece hinge hole and column hinge hole, the left end of clamping piece body is provided with the steel wire rope connection structure for being connected with corresponding steel rope 4, in the present embodiment, steel wire rope connection structure is a connecting bore, the right-hand member of clamping piece body has and holds out against side face 7 for what hold out against corresponding coil of strip, be involute shape perpendicular to the shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle 5 of involute is positioned in the hinge axes of clamping piece.Reset tension spring 9 is provided with between clamping piece body and tie-beam.The upper end of suspender body is provided with the angle pulley 1 for described steel rope pile warp commutation.
During use, steel rope is connected at the left end of clamping piece body, right column is plugged in the endoporus of coil of strip, to be sling steel rope by hoisting crane, clamping piece rotates around its hinge axes, the side face that holds out against of clamping piece coordinates with right column and is clamped by coil of strip, in figure, the clamping piece of solid line represents the position of coil grab clamping piece when handling maximum ga(u)ge coil of strip, in figure, the clamping piece of long and two-short dash line represents the position of coil grab clamping piece when the most minimal thickness coil of strip of handling, figure broken cord 8 represents the contact trace holding out against side face and coil of strip, because the cross sectional shape holding out against side face is involute shape, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece, therefore in effective gripping range, no matter coil of strip thickness is how many, the contact trace holding out against side face and coil of strip is the straight line of a level, by also can be clearly seen that in Fig. 1 that the contact position holding out against side face and coil of strip is in the downside of coil of strip, thus ensure that the gripping power of clamping piece to coil of strip, ensure the safety of handling process, the area of contact simultaneously holding out against side face and coil of strip is comparatively large, further ensure that the gripping power of clamping piece to coil of strip, be exactly because the clamped position of clamping piece is lower in addition, so after coil of strip is lifted, namely coil of strip has larger angle of inclination, then coil of strip is put down the upset just achieving coil of strip, and operating process is simple and convenient.
In other embodiment of this coil grab: reset tension spring can also be arranged at reduction torsion spring between clamping piece and left column or other retracing spring replaces, and certain retracing spring also can not be established; Articulated structure can also be the jointed shaft be fixedly arranged on clamping piece, and during use, jointed shaft is arranged in the hinge hole on left column; Steel wire rope connection structure can also be the steel rope coupling link be connected on clamping piece.
The embodiment of clamping piece is as shown in Figure 1: the concrete structure of clamping piece is identical with the clamping piece described in above-mentioned each coil grab embodiment, is not described in detail in this.
Claims (4)
1. coil grab, comprise suspender body, suspender body is hinged with the clamping piece that hinge axes extends along the longitudinal direction, clamping piece has and holds out against side face for what hold out against corresponding coil of strip, it is characterized in that: be involute shape perpendicular to the cross sectional shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece.
2. coil grab according to claim 1, is characterized in that: be provided with retracing spring between described suspender body and clamping piece.
3. coil grab according to claim 2, is characterized in that: described retracing spring be connected to described clamping piece and suspender body tie-beam between reset tension spring.
4. the clamping piece of coil grab, comprise clamping piece body, clamping piece body is provided with the articulated structure for being hinged and connected with corresponding suspender body, the hinge axes bearing of trend of definition articulated structure is fore-and-aft direction, clamping piece body has and holds out against side face for what hold out against corresponding coil of strip, it is characterized in that: be involute shape perpendicular to the cross sectional shape cross section of fore-and-aft direction holding out against side face, the center of circle of the basic circle of involute is positioned in the hinge axes of clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452604.5U CN204096916U (en) | 2014-08-12 | 2014-08-12 | Coil grab and clamping piece thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452604.5U CN204096916U (en) | 2014-08-12 | 2014-08-12 | Coil grab and clamping piece thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204096916U true CN204096916U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420452604.5U Active CN204096916U (en) | 2014-08-12 | 2014-08-12 | Coil grab and clamping piece thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204096916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590220A (en) * | 2019-01-30 | 2019-04-09 | 苏州工业职业技术学院 | A kind of express delivery sorting clamp device |
| CN112978564A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Hoisting device for rotor disc drum and using method thereof |
-
2014
- 2014-08-12 CN CN201420452604.5U patent/CN204096916U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590220A (en) * | 2019-01-30 | 2019-04-09 | 苏州工业职业技术学院 | A kind of express delivery sorting clamp device |
| CN109590220B (en) * | 2019-01-30 | 2024-01-23 | 苏州工业职业技术学院 | Express delivery letter sorting presss from both sides and gets device |
| CN112978564A (en) * | 2021-03-17 | 2021-06-18 | 中国航发动力股份有限公司 | Hoisting device for rotor disc drum and using method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |