CN201065310Y - Rigid guy cable - Google Patents
Rigid guy cable Download PDFInfo
- Publication number
- CN201065310Y CN201065310Y CNU2007200121868U CN200720012186U CN201065310Y CN 201065310 Y CN201065310 Y CN 201065310Y CN U2007200121868 U CNU2007200121868 U CN U2007200121868U CN 200720012186 U CN200720012186 U CN 200720012186U CN 201065310 Y CN201065310 Y CN 201065310Y
- Authority
- CN
- China
- Prior art keywords
- pull rod
- joint
- rigid
- cable
- cone
- 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 - Fee Related
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Abstract
The utility model relates to a rigid cable, which can be used as the arm support cable of caterpillar cranes and stacker cranes, the stayed cable of suspension bridges and the cable of constructions with large frame structures, comprising a rigid pull rod and a joint at the end of the rigid pull rod. The utility model is characterized in that: a conical inner hole is arranged on one end of the joint; a cone is arranged inside the conical inner hole; a via hole is arranged at the end part of the rigid pull rod; the end part of the rigid pull rod is inserted into the conical inner hole of the joint; the cone is pressed into the via hole of the rigid pull rod by means of extrusion; the rigid pull rod and the joint are connected to form the rigid cable. The utility model has the advantages of simple structure, rational design, and high fabricating precision. when the end part of the rigid pull rod is expanded in the joint and a pull is acting, the utmost strength of the diameter can be achieved during the service since the tensile stress of the cross section is bigger than the shear stress of the conical surface; the utility model overcomes the elastic elongation problem of snap-in cable of steel wire, and eliminates the phenomenon that the strength of the cables of deformed steel bar is reduced due to adding screw threads.
Description
One, technical field
The utility model relates to the drag-line that a kind of crawler crane, tower crane jib use, the suspension cable of the bridge that also can be used for suspending, and the drag-line that uses of large-scale frame structure building.The utility model is a kind of novel rigid drag-line.
Two, background technology
The application of drag-line is wider, and field of application is also more wide in range.But the drag-line that uses mainly contains two kinds at present: a kind of is wire line hitch die mould drag-line; Another kind is a screw thread steel pole type drag-line.Wire line hitch die mould drag-line is a flexible piece because of steel rope, and the elongation of stressed back changes two end junction centre distances, can influence service precision.And screw thread steel pole type drag-line is longer because of rod member, and is relatively more difficult during the screw thread of processing two ends; Because the rod member machining screw, intensity can not be calculated by the rod member diameter, needs to press the core diameter of thread and calculates, and there is stress concentration in rod member screw thread place in addition, has therefore reduced working strength.
Three, summary of the invention
The purpose of this utility model provides a kind of rigid cable, has promptly solved the elastic elongation problem that wire line hitch die mould drag-line exists, and the working strength (should calculate by the core diameter of thread) that has solved screw thread steel pole type drag-line again is lower than the problem of rod member intensity.
The utility model---rigid cable is connected and composed by the joint of push-and-pull rod and end.One end of joint is provided with cone-shaped inner hole, and is provided with cone in its cone-shaped inner hole.Push-and-pull rod two ends are equipped with connecting bore.The push-and-pull rod end penetrates the cone-shaped inner hole of joint, and adopts pressing method that the cone in the joint is pressed in the connecting bore of push-and-pull rod, makes push-and-pull rod and joint couple together the formation rigid cable.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model.
Among the figure, 1 is pull bar, and 2 is cone, and 3 is joint.
Five, the specific embodiment
The utility model couples together formation by the joint 3 of push-and-pull rod 1 and end (or two ends).One end of joint 3 is provided with cone-shaped inner hole, is provided with steel cone 2 in cone-shaped inner hole, and cone 2 can be welded fixing, also can adopt spiral marking connection to fix; The other end of joint 3 can be designed to open type pin connection mode shown in the drawings, also can be according to the actual needs design of engineering.Push-and-pull rod 1 adopts the round steel bar, and its end is drilled with vertical connecting bore, and its connecting bore can be drilled to stepped hole, and the degree of depth of its connecting bore should be more than or equal to the cone length on the joint 3.The end of push-and-pull rod 1 is penetrated the cone-shaped inner hole of joint 3, and adopt the method for extruding that the cone 2 in joint 3 cone-shaped inner holes is pressed in the connecting bore of push-and-pull rod 1, the end of push-and-pull rod 1 is expanded by cone 2 in the cone-shaped inner hole of joint 3 and formed cone and interlocking, the push-and-pull rod 1 and the joint 3 of end are coupled together, constituted rigid cable.
The utility model is simple in structure, and is reasonable in design, makes the precision height.When push-and-pull rod 1 end in joint 3 by cone 2 expansion after, when being subjected to tension, the tensile stress of its cross-sectional plane is greater than the friction stress of circular conical surface, so in use can reach the maximum strength of pull bar diameter.Promptly overcome the elastic elongation problem of wire line hitch die mould drag-line, do not had the phenomenon that screw thread steel pole type drag-line intensity is reduced because of machining screw again.Therefore, the utility model is the drag-line of crawler crane, tower crane jib, suspension bridge suspension cable, the first-selection of large-scale frame structure building drag-line.
Claims (2)
1. rigid cable is characterized in that: this drag-line is connected and composed by the joint (3) of push-and-pull rod (1) with the end; One end of joint (3) is provided with cone-shaped inner hole, and in its cone-shaped inner hole, be provided with cone (2), the push-and-pull rod end is equipped with connecting bore, push-and-pull rod (1) end penetrates the cone-shaped inner hole of joint (3), and the cone (2) in the joint (3) is pressed in the connecting bore of push-and-pull rod (1), push-and-pull rod and joint (3) are linked into an integrated entity.
2. rigid cable according to claim 1 is characterized in that: the degree of depth of the connecting bore of described push-and-pull rod (1) end is more than or equal to joint (3) upper cone (2) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200121868U CN201065310Y (en) | 2007-05-21 | 2007-05-21 | Rigid guy cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200121868U CN201065310Y (en) | 2007-05-21 | 2007-05-21 | Rigid guy cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065310Y true CN201065310Y (en) | 2008-05-28 |
Family
ID=39482480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200121868U Expired - Fee Related CN201065310Y (en) | 2007-05-21 | 2007-05-21 | Rigid guy cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065310Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807240A (en) * | 2013-12-30 | 2020-10-23 | 马尼托瓦克起重机有限责任公司 | Lightweight flexible tensioning system for construction equipment |
-
2007
- 2007-05-21 CN CNU2007200121868U patent/CN201065310Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111807240A (en) * | 2013-12-30 | 2020-10-23 | 马尼托瓦克起重机有限责任公司 | Lightweight flexible tensioning system for construction equipment |
| US11649145B2 (en) | 2013-12-30 | 2023-05-16 | Manitowoc Crane Companies, Llc | Lightweight flexible tensioning system for construction equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20100521 |