CN210827106U - Spatial large-corner sling connecting structure of suspension bridge - Google Patents
Spatial large-corner sling connecting structure of suspension bridge Download PDFInfo
- Publication number
- CN210827106U CN210827106U CN201920640991.8U CN201920640991U CN210827106U CN 210827106 U CN210827106 U CN 210827106U CN 201920640991 U CN201920640991 U CN 201920640991U CN 210827106 U CN210827106 U CN 210827106U
- Authority
- CN
- China
- Prior art keywords
- bearing
- spherical surface
- otic placode
- hoist cable
- ring
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a suspension bridge space large corner hoist cable connection structure, the stretch-draw is between cable clamp and beam-ends from top to bottom between the hoist cable, including the cable body, the last lower extreme of cable body corresponds the anchor in last anchor cup, in lower anchor cup, goes up anchor cup at its top, lower anchor cup is provided with the hoist cable otic placode of taking the pinhole respectively in its bottom, the hoist cable otic placode on hoist cable top is connected through the round pin hub rotation with the cable clamp otic placode of taking the pinhole, the hoist cable otic placode of hoist cable bottom is connected through the round pin hub rotation with the beam-ends otic placode of taking the pinhole, the round pin hub is provided with joint bearing with the pinhole cooperation department of otic placode, this otic placode includes the hoist cable otic placode, cable clamp otic placode or. When the steel box girder of the sling moves downwards along the bridge direction and the transverse bridge direction under load, the joint bearing can meet the requirements of rotary swing and inclined swing, even the combined swing of the rotary swing and the inclined swing, thereby avoiding the sling from bending, eliminating the bending stress acting on the sling, improving the degree of freedom of deflection of the sling and reducing the bending fatigue of the sling.
Description
Technical Field
The utility model relates to a suspension bridge hoist cable upper and lower anchor head respectively with the connection structure of cable clip, girder steel, especially relate to a connection structure that can realize that the hoist cable deflects in two directions in space.
Background
The sling is used as a force transmission component of the suspension bridge, has a fine structure, and bears the live load action of vehicles, wind and the like in the using process, so the sling is the most easy to cause fatigue damage in the suspension bridge component. In an actual bridge, the safety factor of the sling is considered more abundantly during design, and the static strength is not easy to damage. However, since the external environment of the suspension cable is relatively severe, corrosion fatigue is likely to occur due to the coupling effect of the fatigue stress caused by the corrosion of the corrosive medium and live load. In addition, the steel box girder is easy to swing along the longitudinal direction and the transverse direction of the bridge under the action of dynamic load, so that the sling bears repeated bending, and particularly, the short sling in the midspan is easy to cause fatigue failure. Mainly under the live load effect, the hoist cable bears the axial load that changes, and the steel wire internal force changes thereupon constantly, and this kind of reciprocal change will lead to inside steel wire to experience reciprocal drawing alternating stress, leads to the inside steel wire of hoist cable structure to take place fatigue failure easily.
In addition, due to alternating load action and the swinging of the steel box girder, a corner is generated at the joint of the anchor head under the sling and the main girder, if the anchor device is unreasonable in structure, the steel wire at the joint of the anchor head under the sling is subjected to reciprocating bending stress under long-term reciprocating action, so that the section stress of the steel wire generates bending combined stress circulation to generate steel wire fatigue. The service cycle of the suspension bridge sling is long, the suspension bridge sling is exposed in a natural environment for a long time, and bears the comprehensive effect of factors such as environmental erosion, external load, fatigue effect and the like, wherein the two factors of corrosion and fatigue can cause the durability and the bearing capacity of the sling to be greatly reduced.
Reducing the fatigue load of the sling and improving the durability of the sling is well appreciated by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the people carries out hoist cable pulling force and the two index fatigue damage mode research of corner and life-span aassessment through the analysis to hoist cable tensile bending stress and coupling effect, has developed one kind and can adapt to the big corner in space, has the hoist cable connection structure of tensile bending performance, alleviates the stretch bending fatigue of suspension bridge hoist cable especially short hoist cable, improves the life of suspension bridge hoist cable.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a big corner hoist cable connection structure in suspension bridge space, the hoist cable stretch-draw from top to bottom between cable clamp and beam-ends, including the cable body, the last lower extreme of cable body corresponds the anchor in last anchor cup, anchor cup down, go up the anchor cup at its top anchor cup is provided with the hoist cable otic placode of taking the pinhole respectively in its bottom down, and the hoist cable otic placode on hoist cable top is connected through the round pin axle rotation with the cable clamp otic placode of taking the pinhole, and the hoist cable otic placode of hoist cable bottom is connected through the round pin axle rotation with the beam-ends otic placode of taking the pinhole, and the pinhole cooperation department of round pin axle and otic placode is provided with joint bearing, and this otic placode includes hoist cable otic placode and one of them of cable clamp otic placode, hoist cable otic placode and one of them of beam-ends otic placode, and joint.
The cable body mainly comprises twisted parallel steel wire bundles, an inner polyethylene sheath and an outer polyethylene sheath, wherein the inner polyethylene sheath and the outer polyethylene sheath are wrapped outside the steel wire bundles. Generally, the inner layer sheath is a black polyethylene sheath, and the outer layer sheath is a color polyethylene sheath.
The steel wire bundle is formed by twisting a plurality of zinc-based alloy coating steel wires with the diameter of 5mm-7mm by 3 degrees to 4 degrees.
The knuckle bearing of this application includes bearing inner race and bearing inner race, and the bearing inner race has the ectosphere, and the bearing inner race has interior sphere, and the bearing inner race is fixed to be set up in the pinhole of otic placode, and the activity of bearing inner race sets up in the downthehole sphere of bearing inner race and interior, ectosphere constitute the sphere contact of activity, and the bearing inner race sets up the confession the pinhole that the round pin axle passed.
In order to adapt to the realization of large-angle deflection of the sling in space, the arc length of the outer spherical surface of the inner ring of the bearing is further designed to be obviously larger than that of the inner spherical surface of the outer ring of the bearing, and the central angle corresponding to half of the arc length difference of the inner spherical surface exceeding the outer spherical surface is the maximum rotation angle of the inner ring of the bearing relative to the deflection of the outer ring of the bearing.
In order to prolong the service life of the joint bearing, the abrasion resistance of the bearing inner ring and the bearing outer ring needs to be improved, and a polytetrafluoroethylene fiber fabric is further arranged on the contact surface of the outer spherical surface and the inner spherical surface to serve as a lubricating layer, so that the self-lubricating effect of the joint bearing is realized. And the polytetrafluoroethylene fiber fabric is preferably arranged on the inner spherical surface of the bearing outer ring, so that the lubricating layer is not exposed all the time when the outer spherical surface and the inner spherical surface rotate relatively.
The smoothness of the contact spherical surface is related to the service life of the knuckle bearing, once foreign matters invade into the contact spherical surface, the influence is caused, a sealing structure is arranged at the inner spherical surface or the outer spherical surface of the bearing outer ring or the bearing inner ring, and the sealing structure forms a seal for preventing the contact spherical surface from being invaded.
The sealing structure is arranged at the edges of two sides of the bearing outer ring, respectively forms sealing for the contact spherical surface for two sides of the bearing outer ring, and comprises a sealing groove and a special-shaped sealing ring, wherein the special-shaped sealing ring is arranged in the sealing groove, and the lip of the special-shaped sealing ring keeps the sealing effect of sliding contact with the outer spherical surface of the bearing inner ring.
Specifically, the seal groove forms an exposed gap along the axial direction of the bearing outer ring, the special-shaped seal ring is provided with a bevel edge lip overflowing out of the gap, the bevel edge lip is in interference fit with the bearing inner ring to achieve the effect of always attaching to the outer spherical surface, and the interference fit means that the size of the bevel edge lip slightly exceeds the design value and slightly deforms when contacting with the bearing inner ring to attach to the outer spherical surface. Furthermore, the bevel edge lip is provided with a contact tangent plane, and the contact tangent plane is attached to the outer spherical surface of the bearing inner ring, so that surface contact type sealing is realized.
In order to increase the elasticity of the sealing ring and improve the sealing effect, the bevel edge lip is provided with a groove or an inner hole so as to have elastic characteristics, so that the bevel edge lip elastically acts on the outer spherical surface to keep a movable close-fitting state so as to adapt to the dynamic sealing of the contact spherical surface changed in the rotation process of the sling.
In order to facilitate the installation of the sealing ring to be in place and the installation to be fixed, the special-shaped sealing ring is provided with a protruding positioning flange, the notch is provided with a step extending along the radial direction of the bearing outer ring, and the flange and the step are in conflict with each other in the radial direction of the bearing outer ring to realize the positioning.
Compared with the prior art, the utility model has the advantages of: the connecting structure of suspension bridge sling of this application adopts the anchor cup tip at hoist cable upper and lower both ends to set up the sling otic placode of taking the pinhole, sets up the beam-ends otic placode on the steel case roof beam, sets up the cable clamp otic placode on the cable clamp, and the sling otic placode and the cable clamp otic placode at top, the sling otic placode and the beam-ends otic placode of bottom are connected through the round pin axle rotation respectively. And furthermore, a joint bearing of special design is arranged at the matching position of the pin shaft and the lug plate pin hole, so that the space corner of the sling is realized, when a steel box girder of the sling moves along the bridge direction and the transverse bridge direction under load, the joint bearing can meet the requirements of rotary swing and inclined swing, even the combined swing of the rotary swing and the inclined swing, so that the sling is prevented from being bent, the bending stress acting on the sling is eliminated, the deflection freedom degree of the sling is improved, and the pull bending fatigue of the sling is reduced.
The application carries out special design to joint bearing, belongs to a big corner self-lubricating joint bearing.
(1) By increasing the width of the bearing inner ring and the outer diameter of the bearing outer ring, the corner of the bearing is improved, and the large-corner deflection of the sling is realized.
(2) The wear resistance of the large-corner joint bearing is improved by using PTFE (polytetrafluoroethylene) fiber fabric as a lubricating layer. The lubricating layer of the common joint bearing is mostly made of coating materials (or PU copper mesh liners) such as molybdenum disulfide, Teflon and the like, and the lubricating layer is formed by coating the inner surface of the outer ring of the bearing (or sticking the liners) and then extruding the coating materials and the inner ring of the bearing in a sleeved mode. The self-lubricating oscillating bearing using the materials has poor wear resistance and large bearing clearance, and restricts the wear-resistant service life of components in some aspects. The joint bearing adopting PTFE (polytetrafluoroethylene) fiber fabric as a self-lubricating material can make up for the defects, and has the advantages of bearing strength, corrosion resistance, frictional wear and use. The PTFE (polytetrafluoroethylene) fiber fabric is a composite fabric prepared by spinning PTFE and glass fiber (or aramid fiber) and the like and performing impregnation treatment, and has the characteristics of high strength and small friction coefficient. The fiber fabric is applied to the sling large-corner self-lubricating knuckle bearing, so that the sling large-corner knuckle bearing not only keeps the characteristics of high bearing and automatic centering, but also has the characteristics of self-lubricating, impact resistance, long service life and the like.
(3) The special sealing structure is formed by the specially designed sealing groove and the special-shaped sealing ring, so that the movable contact spherical surface of the bearing outer ring and the bearing inner ring can be effectively sealed, and the influence on the service life of the bearing caused by the intrusion of foreign matters into the working surface of the bearing can be prevented.
Drawings
FIG. 1 is a schematic view of a sling according to an embodiment of the present invention;
FIG. 2 is a side view of the structure shown in FIG. 1;
FIG. 3 is a schematic view of a cable body interface;
FIG. 4 shows a connecting structure of a sling ear plate and a cable clamp ear plate at a cable clamp end;
FIG. 5 is a connecting structure of the end ear plate of the end beam of the steel beam and the ear plate of the cable clamp;
FIG. 6 shows the movement of the suspension ropes and the connecting members under the condition that the steel beam moves along the bridge direction;
FIG. 7 shows the movement of the slings and connectors under the condition of lateral movement of the steel beam;
FIG. 8 is an enlarged view of portion A of FIG. 7;
fig. 9 is a front view of a spherical plain bearing according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view AA in FIG. 9;
fig. 11 is a maximum angle of the knuckle bearing shown in fig. 10 deflected to one side.
FIG. 12 is a partial enlarged view of a fitting structure of a bearing inner race and a bearing outer race;
FIG. 13 is an enlarged view of portion A of FIG. 12;
FIG. 14 is a cross-sectional view of the contour seal ring;
fig. 15 is a front view of the contour seal ring.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The suspension bridge sling connecting structure in the embodiment is characterized in that a sling is stretched up and down between a cable clamp and a beam end, and comprises a sling body 1, and the sling body is composed of twisted parallel steel wire bundles 101, and an inner polyethylene sheath 102 and an outer polyethylene sheath 103 which are wrapped outside the steel wire bundles 101. The steel wire bundle is formed by twisting 3-4 degrees and is selected from zinc-based alloy coated steel wires with the diameter of 5-7 mm. The upper end and the lower end of the cable body 1 are correspondingly anchored in the anchor cup 2, the top of the upper anchor cup and the bottom of the lower anchor cup are respectively provided with a sling ear plate 3 with a pin hole, and the sling ear plates 3 are double-lug ear plates. The sling ear plate 3 at the top end of the sling is rotatably connected with the cable clamp ear plate 4 with the pin hole through a pin shaft 5, and the sling ear plate 3 at the bottom end of the sling is rotatably connected with the beam end ear plate 6 with the pin hole through a pin shaft 5. The cable clamp ear plate 4 and the beam end ear plate 6 are single ear plates, and joint bearings 7 are respectively arranged at the pin holes matching positions of the pin shaft 5 and the beam end ear plate 6 and the pin shaft 5 and the cable clamp ear plate 4.
The joint bearing 7 is a durable large-corner self-lubricating joint bearing with a sealing structure.
When the steel box girder of the sling moves along the direction of the bridge and under the load of the transverse bridge, the self-lubricating joint bearing can meet the requirements of rotary swing and inclined swing, even the composite swing of the rotary swing and the inclined swing, thereby avoiding the sling from bending, eliminating the bending stress acting on the sling, and the movement modes of the sling and the connecting piece, which are shown in figures 6, 7 and 8.
The joint bearing comprises a bearing inner ring 701 and a bearing outer ring 702, wherein the bearing inner ring 701 is provided with an outer spherical surface, the bearing outer ring 702 is provided with an inner spherical surface, for example, a beam end lug plate 6 is taken as an example, the bearing outer ring 702 is fixedly arranged in a pin hole of the beam end lug plate 6, the bearing inner ring 701 is movably arranged in the ball hole of the bearing outer ring 702, the inner spherical surface and the outer spherical surface form movable spherical contact, and the bearing inner ring 01 is provided with a pin hole for a pin shaft 5 to pass through.
(1) By increasing the width of the bearing inner ring and the outer diameter of the bearing outer ring, the corner of the bearing is improved, and the large corner of the sling is realized. As shown in fig. 11, the arc length of the outer spherical surface of the inner race of the bearing is significantly greater than the arc length of the inner spherical surface of the outer race of the bearing, and the central angle corresponding to half of the difference between the arc lengths of the inner spherical surface and the outer spherical surface is the maximum rotation angle of the inner race of the bearing relative to the outer race of the bearing, and the larger the width of the inner race of the bearing is, the larger the deflection angle is.
(2) The wear resistance of the large-rotation-angle knuckle bearing is improved by arranging the PTFE (polytetrafluoroethylene) fiber fabric on the contact spherical surface of the inner ring and the outer ring of the bearing, the polytetrafluoroethylene fiber fabric 8 is used as a lubricating layer, the polytetrafluoroethylene fiber fabric 8 is preferentially arranged on the inner spherical surface of the fixed bearing outer ring 702, and the lubricating layer 8 is controlled not to be exposed all the time when the outer spherical surface and the inner spherical surface rotate relatively.
(3) The provision of the sealing structure for the contact spherical surface prevents foreign matter from intruding into the working surface of the bearing and affecting the life of the bearing. The sealing structure is arranged at the edges of two sides of the bearing outer ring 702 and comprises a sealing groove 10 and a special-shaped sealing ring 9, the special-shaped sealing ring 9 is arranged in the sealing groove 10, and the special-shaped sealing ring 9 has the positioning function with the bearing outer ring and the dynamic contact sealing function with the outer spherical surface of the bearing inner ring.
As shown in fig. 13, the sealing groove 10 forms an exposed gap along the axial direction of the bearing outer ring, the seal ring has a bevel edge lip which overflows from the gap, and the bevel edge lip has a contact tangent plane, and is attached to the outer spherical surface of the bearing inner ring 701 through the contact tangent plane. The bevel edge lip is in interference fit with the bearing inner ring to realize the outer spherical surface which is always attached to the bearing inner ring.
The interference magnitude of the outermost bevel edge lip is maximum, a groove is formed in the bevel edge lip, the elasticity of the sealing lip is mainly increased, and a certain interference magnitude is generated on the spherical surface of the bearing after the sealing ring is assembled, so that the sealing lip of the sealing ring is in contact with the outer spherical surface of the inner ring of the joint bearing, and sealing is realized.
The sealing structure adopts flange positioning, the special-shaped sealing ring is provided with a protruding positioning flange 901, a step 11 is formed by extending a notch of a sealing groove along the radial direction of the bearing outer ring, and the positioning flange 901 and the step 11 are in contact with each other in the radial direction of the bearing outer ring.
A special clamp is required to be adopted during the assembly of the sealing ring, and the assembly method comprises the following steps: the joint bearing is horizontally placed on a special clamp → a sealing ring is placed → the sealing ring is firstly pressed into a groove position of a sealing groove from one position → the sealing ring is pressed in slowly along one direction after being pressed in → two ends are butted, a special tool is adopted for pressing in the protruding position → whether the sealing ring is installed in place is checked → the inner ring of the rotating bearing observes the laminating degree of the sealing ring and the inner sleeve spherical surface, and the installation is finished when no gap is left in the whole laminating.
(4) The inner ring and the outer ring of the joint bearing are made of high-hardness and high-wear-resistance stainless steel 40Cr13 or similar materials, so that the corrosion resistance service life and the wear resistance service life of the joint bearing are guaranteed.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (13)
1. The utility model provides a big corner hoist cable connection structure in suspension bridge space, the stretch-draw is between cable clip and beam-ends from top to bottom in the hoist cable, including the cable body, the last lower extreme of cable body corresponds the anchor in last anchor cup, lower anchor cup, go up the anchor cup at its top the anchor cup is provided with the hoist cable otic placode of taking the pinhole respectively in its bottom down, and the hoist cable otic placode on hoist cable top is connected through the round pin rotation with the cable clip otic placode of taking the pinhole, and the hoist cable otic placode of hoist cable bottom is connected through the round pin rotation with the beam-ends otic placode of taking the pinhole, its characterized in that: the pin hole cooperation department of round pin axle and otic placode is provided with joint bearing, and this otic placode includes that hoist cable otic placode and one of them of cable clip otic placode, hoist cable otic placode and one of them of beam-ends otic placode, and joint bearing satisfies the hoist cable and can deflect in the plane of non-perpendicular round pin axle.
2. The spatial large-corner sling connecting structure for the suspension bridge according to claim 1, wherein: the cable body mainly comprises twisted parallel steel wire bundles, an inner polyethylene sheath and an outer polyethylene sheath, wherein the inner polyethylene sheath and the outer polyethylene sheath are wrapped outside the steel wire bundles.
3. The spatial large-corner sling connecting structure for the suspension bridge according to claim 2, wherein: the steel wire bundle is selected from zinc-based alloy coated steel wires with the diameter of 5mm-7 mm.
4. The spatial large-corner sling connecting structure for the suspension bridge according to claim 1, wherein: the knuckle bearing comprises a bearing inner ring and a bearing outer ring, the bearing inner ring is provided with an outer spherical surface, the bearing outer ring is provided with an inner spherical surface, the bearing outer ring is fixedly arranged in a pin hole of an ear plate, the bearing inner ring is movably arranged in the ball hole of the bearing outer ring, the inner spherical surface and the outer spherical surface form movable spherical contact, and the bearing inner ring is provided with a pin hole for the pin shaft to pass through.
5. The spatial large-corner sling connecting structure for the suspension bridge according to claim 4, wherein: the arc length of the outer spherical surface of the bearing inner ring is obviously longer than that of the inner spherical surface of the bearing outer ring, and the central angle corresponding to half of the arc length difference of the inner spherical surface exceeding the outer spherical surface is the maximum rotation angle of the bearing inner ring deflected relative to the bearing outer ring.
6. The spatial large-corner sling connecting structure for the suspension bridge according to claim 4, wherein: the contact surface of the outer spherical surface and the inner spherical surface is provided with polytetrafluoroethylene fiber fabric as a lubricating layer.
7. The spatial large-corner sling connecting structure for the suspension bridge according to claim 6, wherein: the polytetrafluoroethylene fiber fabric is arranged on the inner spherical surface of the bearing outer ring and is not exposed all the time when the outer spherical surface and the inner spherical surface rotate relatively.
8. The spatial large-corner sling connecting structure for the suspension bridge according to claim 4, wherein: and the bearing outer ring or the bearing inner ring is provided with a sealing structure at the inner spherical surface or the outer spherical surface, and the sealing structure forms a seal for preventing the bearing outer ring or the bearing inner ring from invading and contacting the spherical surface.
9. The spatial large-corner sling connecting structure for the suspension bridge according to claim 8, wherein: the sealing structure is arranged at the edges of two sides of the bearing outer ring and consists of a sealing groove and special-shaped sealing rings, the special-shaped sealing rings are arranged in the sealing groove, and the special-shaped sealing rings and the outer spherical surface of the bearing inner ring keep sliding contact with each other to achieve the sealing effect.
10. The spatial large-corner sling connecting structure for a suspension bridge according to claim 9, wherein: the seal groove forms an exposed gap along the axial direction of the bearing outer ring, the special-shaped seal ring is provided with a bevel edge lip overflowing out of the gap, and the bevel edge lip is in interference fit with the bearing inner ring to realize the outer spherical surface always attached to the bearing inner ring.
11. The spatial large-corner sling connection structure for a suspension bridge according to claim 10, wherein: the bevel edge lip is provided with a groove or an inner hole so as to have elastic characteristics.
12. The spatial large-corner sling connection structure for a suspension bridge according to claim 10, wherein: the bevel edge lip is provided with a contact tangent plane, and is attached to the outer spherical surface of the bearing inner ring through the contact tangent plane.
13. The spatial large-corner sling connection structure for a suspension bridge according to claim 10, wherein: the special-shaped sealing ring is provided with a protruding positioning flange, the notch is provided with a step extending along the radial direction of the bearing outer ring, and the flange and the step are in radial conflict in the radial direction of the bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640991.8U CN210827106U (en) | 2019-05-07 | 2019-05-07 | Spatial large-corner sling connecting structure of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640991.8U CN210827106U (en) | 2019-05-07 | 2019-05-07 | Spatial large-corner sling connecting structure of suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210827106U true CN210827106U (en) | 2020-06-23 |
Family
ID=71253161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920640991.8U Active CN210827106U (en) | 2019-05-07 | 2019-05-07 | Spatial large-corner sling connecting structure of suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210827106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144821A (en) * | 2019-05-07 | 2019-08-20 | 江苏法尔胜缆索有限公司 | Suspension bridge space big corner hoist cable connection structure |
-
2019
- 2019-05-07 CN CN201920640991.8U patent/CN210827106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144821A (en) * | 2019-05-07 | 2019-08-20 | 江苏法尔胜缆索有限公司 | Suspension bridge space big corner hoist cable connection structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210827106U (en) | Spatial large-corner sling connecting structure of suspension bridge | |
| US10890211B2 (en) | Dynamic bearing | |
| CN211036700U (en) | Spatial large-corner durable sling connecting structure of suspension bridge | |
| CN110144821A (en) | Suspension bridge space big corner hoist cable connection structure | |
| CN207193652U (en) | A kind of macromolecular fibre cable | |
| CN205896040U (en) | Antiseep abrasion -resisting chain | |
| CN110144822A (en) | Suspension bridge space big corner, permanent seal cooling hoist cable connection structure | |
| CN214167041U (en) | Hoisting rope and vertical shaft hoisting system | |
| Hagnestål et al. | Durable winch-based point absorbers | |
| CN211571181U (en) | Seventeen-ply radial tire steel wire cord | |
| CN210315035U (en) | Cable capable of resisting diagonal tear | |
| CN116254716A (en) | Multilayer braided composite rope | |
| CN211079741U (en) | Elevator compensation steel wire rope with good stability | |
| EP2829749A2 (en) | Spherical bearing with sealing member | |
| CN111648024A (en) | High-molecular polyethylene rope for ship and manufacturing method thereof | |
| CN219793432U (en) | High-performance steel wire rope for automobile lifting rope row | |
| CN219989045U (en) | Self-lubricating anti-wear connecting shaft for hanging additional line of high-speed electrified railway | |
| CN219450440U (en) | Riding type rope clamp steel wire rope sling protection device | |
| CN215289468U (en) | Local high-hardness wear-resistant rope | |
| CN211693437U (en) | High-strength nylon pulley | |
| CN219173360U (en) | Bearingless deflection-preventing guide wheel of reclaimer | |
| CN213793466U (en) | High-wear-resistance roller | |
| CN212131042U (en) | High-strength crankshaft for oxygen compressor | |
| CN208919068U (en) | A kind of high-performance abrasion-proof bearing | |
| CN219099678U (en) | Multilayer strand galvanized steel wire rope for railway contact net compensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |