CN201560044U - Steel plate hoisting clamp - Google Patents
Steel plate hoisting clamp Download PDFInfo
- Publication number
- CN201560044U CN201560044U CN2009202200562U CN200920220056U CN201560044U CN 201560044 U CN201560044 U CN 201560044U CN 2009202200562 U CN2009202200562 U CN 2009202200562U CN 200920220056 U CN200920220056 U CN 200920220056U CN 201560044 U CN201560044 U CN 201560044U
- Authority
- CN
- China
- Prior art keywords
- pulley
- steel plate
- nut
- clamping plate
- clamp
- 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.)
- Expired - Lifetime
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a steel plate hoisting clamp comprising a C-shaped clamp hook and a pulley device, wherein a pulley is installed at one end of a clamp plate by a pin shaft, the periphery of the pulley is provided with a semicircular groove, the pin shaft is fixed on the clamp plate by a hexagonal check nut, the other end of the clamp plate is connected with the C-shaped clamp hook by the pin shaft, and the diameter of the pulley is 5 to 7 times that of a semicircle of the groove. The product effectively prevents a steel wire rope from being bent and broken, can prevent the installation or the replacement of the steel wire rope from being influenced by thread injury in use and can also prevent the steel wire rope from being hooked and hung.
Description
Technical field
The utility model is a kind of handling tool, a kind of specifically hoisting tongs that lifts steel plate.
Background technology
The steel plate hoisting tongs is used very extensive in steel mill, harbour, goods yard, utilize it can be easily with steel plate lifting entrucking, shipment.Steel plate hoisting tongs commonly used at present is made up of " C " clamp hook, pulley gear and steel rope, its middle pulley is installed in an end of both sides clamping plate by bearing pin, bearing pin is fixed on the clamping plate by nut, the other end of clamping plate connects " C " clamp hook by bearing pin, be installed with steel rope in the middle of the clamping plate, used diameter of pulley is about 3 times of used wirerope diameter.Though the requirement of steel rope minimum profile curvature radius has been satisfied in this design, steel rope repeatedly bends in actual use, and the fracture of wire phenomenon is serious, steel rope is short service life, and have bigger potential safety hazard, and because the steel rope crooked process radius is little, very easily upset is twined after rope is stressed.
The utility model content
The purpose of this utility model is to provide a kind of prolongation steel rope service life, prevents the steel plate hoisting tongs that the steel rope upset is twined.
For solving above technical matters, the utility model is taked following technical scheme:
A kind of steel plate hoisting tongs, comprise " C " clamp hook and pulley gear, pulley is installed in an end of clamping plate by bearing pin, the pulley outer has semi-circular recesses, bearing pin is fixed on the clamping plate by nut, the other end of clamping plate connects " C " clamp hook by bearing pin, it is characterized in that described diameter of pulley is 5-7 a times of described groove semicircle diameter.
Described nut is the hexagon black nut.
Described nut periphery is equipped with guard collar.
In the above technical scheme, pulley radius diameter enlarges markedly, and has effectively prevented the short silk of steel rope bending; Nut portion has increased guard collar, can prevent in use the screw thread damage and influence is installed or change steel rope more; The nut of clamping plate outside is a hexagon check nut, can prevent the hook steel rope.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is the utility model left view;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the utility model work scheme drawing.
1 is spring cotter, and 2 is guard collar, and 3 are the pincers hook, and 4 is clamping plate, and 5 is hexagonal nut, and 6 is pulley, and 7 is bearing pin, and 8 is packing ring, and 9 is steel rope, and 10 is hoisting tongs, and 11 is steel plate, and 12 is the pulley groove, and 13 is pulley pin shaft
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
The pincers hook 3 of hoisting tongs 10 is " C " shape, and an end is by bearing pin 7 connecting cleats 4, and there is packing ring 8 centre, and the other end of clamping plate 4 is equipped with pulley 6 by pulley pin shaft 13, and there are hexagonal nut 5 and spring cotter 1 in pulley pin shaft 13 two ends, and guard collar 2 is left in the periphery.Diameter of pulley is 5-7 a times of pulley groove diameter.Steel rope 9 can pass in the middle of clamping plate 4, the equal diameters of the general and pulley groove 12 of wirerope diameter.
In the lifting work process, steel plate 11 clips by four hoisting tongs 11, rises under the effect of steel rope 9, and steel plate promptly can be sling.
Claims (3)
1. steel plate hoisting tongs, comprise " C " clamp hook and pulley gear, pulley is installed in an end of clamping plate by bearing pin, the pulley outer has semi-circular recesses, bearing pin is fixed on the clamping plate by nut, the other end of clamping plate connects " C " clamp hook by bearing pin, it is characterized in that described diameter of pulley is 5-7 a times of described groove semicircle diameter.
2. a kind of steel plate hoisting tongs as claimed in claim 1 is characterized in that described nut is the hexagon black nut.
3. a kind of steel plate hoisting tongs as claimed in claim 2 is characterized in that described nut periphery is equipped with guard collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202200562U CN201560044U (en) | 2009-10-23 | 2009-10-23 | Steel plate hoisting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202200562U CN201560044U (en) | 2009-10-23 | 2009-10-23 | Steel plate hoisting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560044U true CN201560044U (en) | 2010-08-25 |
Family
ID=42625191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202200562U Expired - Lifetime CN201560044U (en) | 2009-10-23 | 2009-10-23 | Steel plate hoisting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201560044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183287A (en) * | 2011-12-29 | 2013-07-03 | 核动力运行研究所 | Hoisting clamp specially used for reactor coolant pump main flange bolt |
| CN111232821A (en) * | 2020-03-27 | 2020-06-05 | 五冶集团上海有限公司 | Roof tile hoisting anti-drop device |
-
2009
- 2009-10-23 CN CN2009202200562U patent/CN201560044U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183287A (en) * | 2011-12-29 | 2013-07-03 | 核动力运行研究所 | Hoisting clamp specially used for reactor coolant pump main flange bolt |
| CN111232821A (en) * | 2020-03-27 | 2020-06-05 | 五冶集团上海有限公司 | Roof tile hoisting anti-drop device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
|
| CX01 | Expiry of patent term |