CN214255445U - Cable lifting sling and lifting equipment - Google Patents
Cable lifting sling and lifting equipment Download PDFInfo
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- CN214255445U CN214255445U CN202120509702.8U CN202120509702U CN214255445U CN 214255445 U CN214255445 U CN 214255445U CN 202120509702 U CN202120509702 U CN 202120509702U CN 214255445 U CN214255445 U CN 214255445U
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Abstract
The application provides a cable lifting sling and lifting equipment, belongs to cable laying technical field. Wherein, cable lifting sling includes haulage rope and a plurality of fixture. A plurality of fixture set up on the haulage rope along the extending direction interval of haulage rope, fixture are used for the centre gripping cable. The lifting equipment with the cable lifting sling further comprises a lifting device, the traction rope is connected to the lifting device, and the lifting device is used for driving the cable lifting sling to move. When the lifting equipment adopting the structure lifts the cable, the stress of the cable can be uniformly and sectionally stressed, so that the situation that the cable is subjected to tensile deformation or tearing due to the fact that the local stress is serious, or the electric conductor inside the cable is damaged to a certain extent due to the fact that the electric conductor receives huge tension is avoided, the quality of the cable is further influenced, and the service life of the cable is shortened.
Description
Technical Field
The application relates to the technical field of cable laying, in particular to a cable lifting sling and lifting equipment.
Background
In electrical installation engineering, the hoisting operation of vertical cables of high-rise buildings is more and more common, and the vertical pulling force required to be borne by the cables is more and more large along with the continuous rising of the heights of the buildings or cable towers. At present, adopt the cable traction head to be fixed in the one end of cable usually, later drive the cable traction head through crane or capstan winch and remove, thereby pull the cable, in order to promote the cable and lay the cable after predetermineeing highly, however, the hoist that adopts this kind of structure promotes the cable to highly when higher, the vertical pulling force and the tension that the cable received are more and more big, often lead to the outer protection rubber tensile deformation of cable or tear, and often cause the inside electric conductor of cable to receive the damage of certain degree because of receiving huge tension, thereby influence the quality of cable, and then shortened the life of cable.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a cable lifting sling and lifting device to improve the problem that the cable is often caused to receive the damage when current cable lifting sling hoists the cable.
In a first aspect, an embodiment of the present application provides a cable lifting sling, including a pulling rope and a plurality of clamping mechanisms; the plurality of clamping mechanisms are arranged on the traction rope at intervals along the extension direction of the traction rope, and the clamping mechanisms are used for clamping the cable.
In above-mentioned technical scheme, through set up a plurality of fixture on the haulage rope, and a plurality of fixture arrange along the extending direction interval of haulage rope to make a plurality of fixture can carry out the segmentation centre gripping to the cable, thereby make the cable be the segmentation stress state at the pulling promotion in-process of haulage rope, prevent that the cable from concentrating the atress. When the cable lifting sling adopting the structure lifts the cable, the stress of the cable is uniform and is stressed in sections, so that the situation that the cable is subjected to stretching deformation or tearing of the protective rubber at the outer layer of the cable due to serious local stress or the situation that the conductor inside the cable is damaged to a certain degree due to huge tension is avoided, the quality of the cable is further influenced, and the service life of the cable is shortened.
In addition, the cable lifting sling provided by the embodiment of the application also has the following additional technical characteristics:
in some embodiments, the clamping mechanism comprises a connection assembly and a clamp; the connecting assembly is connected to the traction rope; the holder is used for the centre gripping the cable, the holder with coupling assembling rotates to be connected.
In the technical scheme, the clamping piece is connected with the connecting assembly in a rotating mode, so that the clamping piece can rotate relative to the traction rope, the phenomenon that the cable is wound and twisted due to the fact that the cable is supposed to swing of the traction rope in the lifting process is avoided, and laying work of the cable is further influenced.
In some embodiments, the clamping mechanism further comprises a rotary connector; the clamping piece is rotatably connected with the connecting assembly through the rotary connector; the rotating connector is provided with a first connecting end and a second connecting end, the first connecting end is rotatably connected to the second connecting end around a first axis, the first connecting end is connected to the connecting assembly, and the second connecting end is connected to the clamping piece.
In the technical scheme, the clamping mechanism is provided with the rotary connector, and the first connecting end and the second connecting end of the rotary connector are respectively connected with the connecting assembly and the clamping piece, so that the rotary connection between the clamping piece and the connecting assembly is realized, the structure is simple, the realization is convenient, and the stability is high.
In some embodiments, the connection assembly includes a connection socket and a connector; the connecting seat is connected to the traction rope; one end of the connecting piece is rotatably connected to the connecting seat around a second axis, the other end of the connecting piece is connected to the first connecting end, and the second axis is perpendicular to the first axis.
In above-mentioned technical scheme, coupling assembling is provided with connecting seat and connecting piece, the connecting seat is connected on the haulage rope, the one end of connecting piece rotationally connects in the connecting seat, and the other end of connecting piece connects in rotary connector, so that rotary connector can swing relative to the connecting seat, thereby make the holder can swing relative to the connecting seat, so that the cable is in the flagging state along the direction of gravity all the time at the in-process that promotes, and then keeps unanimous with the extending direction of haulage rope, so that the promotion of cable.
In some embodiments, the coupling socket is removably coupled to the pull cord.
In above-mentioned technical scheme, adopt the detachable mode to connect the connecting seat on the haulage rope to realize the quick assembly disassembly and the change of connecting seat, thereby when damage or wearing and tearing appear at the connecting seat, only need to dismantle the connecting seat change can, and then reduced the later maintenance cost of cable hoist. In addition, because connecting seat detachably connects on the haulage rope to make cable lifting sling can adjust the interval between the fixture on the haulage rope when promoting the cable of different specifications or being used for different operational environment, with the use flexibility that enlarges cable lifting sling, and then can satisfy different user demands.
In some embodiments, the connecting seat is detachably connected to the traction rope through a steel wire rope buckle; two connecting holes are formed in the connecting seat, the two connecting holes are strip-shaped holes and are arranged along the length direction of the connecting holes at intervals, the steel wire rope buckle is provided with two studs, and each stud penetrates through the corresponding connecting hole.
In the technical scheme, the two connecting holes are formed in the connecting seat, the traction rope is arranged in the steel wire rope buckle in a penetrating mode, then the two studs of the steel wire rope buckle are arranged in the corresponding connecting holes in a penetrating mode respectively, and finally the two studs are fastened through the nuts, so that the detachable connection between the connecting seat and the traction rope is achieved through the steel wire rope buckle, and the structure is simple and firm in connection. In addition, two connecting holes that set up on the connecting seat are the bar hole, and two connecting holes are arranged on the connecting seat along its length direction interval for the connecting seat can be applicable to different width size's wire rope buckle, so that the connecting seat can be connected with the haulage rope of different diameters, thereby the haulage rope of different bearing capacity can be changed according to the load of cable to the cable lifting hoist through this kind of structure, in order to satisfy different promotion work demands, and then has promoted the variety of cable lifting hoist.
In some embodiments, the clamp is a hoop.
In the technical scheme, the hoop is adopted as the clamping piece to clamp the cable, the clamping piece adopting the structure has stronger adjustability, can meet cables of different sizes, and is simple in use method and convenient to use, so that the construction efficiency is improved.
In some embodiments, a hoisting member for hoisting is connected to one end of the hauling cable.
In the technical scheme, the hoisting piece is arranged at one end of the traction rope, so that the hoisting device can hoist the cable lifting sling conveniently, and the connection firmness between the traction rope and the hoisting device is improved.
In a second aspect, an embodiment of the present application further provides a lifting apparatus, including a hoisting device and the cable lifting spreader; the hauling rope is connected to the hoisting device, and the hoisting device is used for driving the cable lifting sling to move.
In the above technical scheme, through connecting the haulage rope on hoisting accessory, make hoisting accessory can drive the cable and promote the hoist and remove, in order to accomplish the promotion operation of cable, when adopting the lifting means of this kind of structure to promote the cable, can realize that the atress of cable is even and the segmentation atress, thereby avoided the cable to lead to the outer protection rubber tensile deformation of cable or tear because of local atress is serious, or cause the electric conductor of cable inside to receive the damage of certain degree because of receiving huge tension, and then influence the quality of cable, and shortened the life of cable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural view of a cable lifting spreader according to an embodiment of the present application;
fig. 2 is a schematic structural view of a gripping mechanism of the cable lifting spreader of fig. 1;
FIG. 3 is a schematic view of the structure of the connecting member of the clamping mechanism shown in FIG. 2;
FIG. 4 is a schematic structural view of the connecting seat of the clamping mechanism shown in FIG. 2;
fig. 5 is a schematic structural diagram of a connecting member of a clamping mechanism according to another embodiment of the present application.
Icon: 100-cable lifting slings; 10-a hauling rope; 20-a clamping mechanism; 21-a connecting assembly; 211-a connecting seat; 2111-mounting holes; 2112-connecting hole; 212-a connector; 2121-a stem body; 2122-first circular ring; 2123-second circular ring; 2124-a first via; 2125-a second via; 22-a clamp; 221-an extension; 23-a rotary connector; 231-a first connection end; 232-a second connection end; 24-steel wire rope fastening; 30-lifting element.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Examples
The embodiment of the application provides a cable lifting sling 100, it can improve current cable lifting sling and promote often leading to the tensile deformation of protection rubber or tearing of cable outer layer to the cable, and often cause the inside electric conductor of cable to receive certain degree of damage because of receiving huge tension to influence the quality of cable, and then shortened the problem of the life of cable, the following concrete structure that combines the figure to cable lifting sling 100 explains in detail.
As shown in fig. 1, a cable lift spreader 100 comprises a pull line 10 and a plurality of gripping mechanisms 20. A plurality of clamping mechanisms 20 are arranged on the hauling cable 10 at intervals along the extending direction of the hauling cable 10, and the clamping mechanisms 20 are used for clamping the cable.
Through set up a plurality of fixture 20 on haulage rope 10, and a plurality of fixture 20 are arranged along haulage rope 10's extending direction interval to make a plurality of fixture 20 can carry out the segmentation centre gripping to the cable, thereby make the cable be the segmentation stress state at haulage lifting process of haulage rope 10, prevent that the cable from concentrating the atress. When the cable lifting sling 100 adopting the structure lifts a cable, the stress of the cable is uniform and is stressed in sections, so that the situation that the cable is subjected to stretching deformation or tearing of the protective rubber on the outer layer of the cable due to serious local stress or the electric conductor inside the cable is damaged to a certain extent due to huge tension is avoided, the quality of the cable is further influenced, and the service life of the cable is shortened.
Wherein, one end of the hauling cable 10 is connected with a hoisting piece 30 for hoisting. The hoisting piece 30 is arranged at one end of the hauling rope 10, so that the cable lifting sling 100 can be hoisted by a hoisting device conveniently, and the connection firmness between the hauling rope 10 and the hoisting device is improved.
Illustratively, and with continued reference to FIG. 1, the hoist 30 is a loop attached to one end of the pull-cord 10. In other embodiments, the lifting member 30 may have other structures, for example, the lifting member 30 is a lifting ring or a hook connected to one end of the hauling cable 10.
In this embodiment, as shown in fig. 1 and 2, the clamping mechanism 20 includes a connecting assembly 21 and a clamping member 22. The coupling assembly 21 is connected to the traction rope 10. The clamping member 22 is used for clamping the cable, and the clamping member 22 is rotatably connected with the connecting component 21. Through rotating the holder 22 with coupling assembling 21 and being connected to make holder 22 rotate relative haulage rope 10, thereby avoided the cable to respond to the swing of haulage rope 10 and lead to the cable to appear twining and the phenomenon of twisting dead at the in-process that promotes, and then influence the laying work of cable.
Further, as shown in fig. 2, the clamping mechanism 20 further includes a rotary connector 23. The clamp 22 is rotatably connected to the connection assembly 21 by a rotary connector 23. The rotating connector 23 has a first connection end 231 and a second connection end 232, the first connection end 231 is rotatably connected to the second connection end 232 around the first axis, the first connection end 231 is connected to the connection assembly 21, and the second connection end 232 is connected to the clamping member 22. The specific structure of the rotary connector 23 can be found in the related art, and is not described in detail herein.
The clamping mechanism 20 is provided with the rotary connector 23, and the first connection end 231 and the second connection end 232 of the rotary connector 23 are respectively connected with the connecting component 21 and the clamping component 22, so that the rotary connection between the clamping component 22 and the connecting component 21 is realized, the structure is simple, the realization is convenient, and the stability is high.
Illustratively, the clamp 22 is a hoop. The hoop is provided with an extension part 221, a bolt is arranged on the extension part 221, the bolt is screwed on the extension part 221 through a nut, and the bolt penetrates through the second connecting end 232 of the rotary connector 23, so that the clamping piece 22 is connected to the rotary connector 23, the movable connection between the clamping piece 22 and the rotary connector 23 is realized, and the use is convenient. In addition, adopt the staple bolt as holder 22 to carry out the centre gripping to the cable, the adjustability of the holder 22 of adopting this kind of structure is stronger, can satisfy not unidimensional cable, and application method is comparatively simple, convenient to use, thereby has improved the efficiency of construction. The specific structure of the hoop can be referred to the related art, and is not described herein.
It should be noted that in other embodiments, the clamping member 22 may have other structures, for example, the clamping member 22 may be a spring clip, an electric hand grip, or the like.
In this embodiment, as shown in fig. 1 and fig. 2, the connection assembly 21 includes a connection seat 211 and a connection member 212. The coupling holder 211 is coupled to the traction rope 10. One end of the connecting member 212 is rotatably connected to the connecting seat 211 about a second axis perpendicular to the first axis, and the other end of the connecting member 212 is connected to the first connecting end 231.
Coupling assembling 21 is provided with connecting seat 211 and connecting piece 212, connecting seat 211 is connected on haulage rope 10, the one end of connecting piece 212 is rotationally connected in connecting seat 211, and the other end of connecting piece 212 is connected in rotary connector 23, so that rotary connector 23 can swing relative to connecting seat 211, thereby make holder 22 can swing relative to connecting seat 211, so that the cable is in the flagging state of following the direction of gravity all the time at the in-process that promotes, and then keep unanimous with the extending direction of haulage rope 10, so that the promotion of cable.
Alternatively, as shown in fig. 2 and 3 in combination, the connector 212 includes a rod body 2121 and a first circular ring 2122 and a second circular ring 2123 fixedly connected to both ends of the rod body 2121. The second ring 2123 penetrates through the first connection end 231 of the rotary connector 23 to realize the movable connection between the rotary connector 23 and the connection member 212, so that the flexibility is improved. The first ring 2122 is rotatably connected to the connecting seat 211 by a bolt, so that the connecting member 212 is rotatably connected to the connecting seat 211. As shown in fig. 2, 3 and 4, the connecting seat 211 is provided with a mounting hole 2111, the bolt sequentially passes through the first circular ring 2122 and the mounting hole 2111, and one end of the bolt passing through the mounting hole 2111 is connected to the locking pin to prevent the bolt from axially separating from the mounting hole 2111 and the first circular ring 2122, so that the connecting piece 212 is rotatably connected to the connecting seat 211.
In an embodiment of the invention, the connecting element 212 may also be in other structures, for example, as shown in fig. 5, the connecting element 212 is in a strip-shaped plate-shaped structure, two ends of the connecting element 212 are respectively provided with a first through hole 2124 and a second through hole 2125, the first through hole 2124 is used for a bolt to pass through to realize the rotational connection between the connecting element 212 and the connecting seat 211, and the second through hole 2125 is used for a first connecting end 231 of the rotating connector 23 to pass through to realize the movable connection between the connecting element 212 and the rotating connector 23.
In this embodiment, the coupling holder 211 is detachably coupled to the traction rope 10. Adopt the detachable mode to connect connecting seat 211 on haulage rope 10 to realize connecting seat 211's quick assembly disassembly and change, thereby when connecting seat 211 appears damaging or wearing and tearing, only need to dismantle connecting seat 211 change can, and then reduced cable lifting sling 100's later maintenance cost. In addition, because connecting seat 211 detachably connects on haulage rope 10 to make cable lifting sling 100 can adjust the interval between fixture 20 on haulage rope 10 when promoting the cable of different specifications or being used for different operational environment, with the use flexibility that enlarges cable lifting sling 100, and then can satisfy different user demands. It should be noted that in other embodiments, the connecting base 211 can be connected to the pulling rope 10 by a fixed connection.
As shown in fig. 2 and 4, the connecting base 211 is detachably connected to the hauling rope 10 through a cable buckle 24. Two connecting holes 2112 are formed in the connecting seat 211, the two connecting holes 2112 are strip-shaped holes, the two connecting holes 2112 are arranged at intervals along the length direction of the connecting holes 2112, the steel wire rope buckle 24 is provided with two studs, and each stud penetrates through the corresponding connecting hole 2112. The specific structure of the wire rope buckle 24 can be found in the related art, and is not described in detail herein.
In the assembling process, the traction rope 10 is firstly inserted into the steel wire rope buckle 24, then the two studs of the steel wire rope buckle 24 are respectively inserted into the corresponding connecting holes 2112, and finally the two studs are respectively screwed on the two studs through the two nuts to be fastened so as to fasten the steel wire rope buckle 24 on the connecting seat 211, so that the detachable connection between the connecting seat 211 and the traction rope 10 is realized through the steel wire rope buckle 24, and the structure is simple and the connection is firm. In addition, two connecting holes 2112 that set up on connecting seat 211 are the bar hole, and two connecting holes 2112 are arranged on connecting seat 211 along its length direction interval, make connecting seat 211 can be applicable to different width size's wire rope buckle 24, so that connecting seat 211 can be connected with the haulage rope 10 of different diameters, thereby cable lifting sling 100 through this kind of structure can change the haulage rope 10 of different bearing capacity according to the load of cable, in order to satisfy different promotion work demands, and then the variety of cable lifting sling 100 has been promoted.
In addition, the embodiment of the present application further provides a lifting device, which includes a hoisting apparatus and the cable lifting spreader 100. The hoisting member 30 of the hauling cable 10 is connected to a hoisting device for moving the cable lifting sling 100.
The hoisting piece 30 of the traction rope 10 is connected to the hoisting device, so that the hoisting device can drive the cable hoisting hanger 100 to move, the hoisting operation of the cable is completed, when the cable is hoisted by the hoisting device with the structure, the stress of the cable can be uniformly and sectionally stressed, the situation that the cable is stretched and deformed or torn due to the fact that the local stress is serious, or the electric conductor inside the cable is damaged to a certain degree due to the fact that the electric conductor receives huge tension is avoided, the quality of the cable is influenced, and the service life of the cable is shortened.
Illustratively, the hoisting device can be a winch, an electric hoist, a crane, and the like.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A cable lifting sling, comprising:
a hauling rope; and
the cable clamping device comprises a plurality of clamping mechanisms, wherein the clamping mechanisms are arranged on a traction rope at intervals along the extension direction of the traction rope, and the clamping mechanisms are used for clamping the cable.
2. The cable lifting spreader of claim 1, wherein the clamping mechanism comprises a connection assembly and a clamp;
the connecting assembly is connected to the traction rope;
the holder is used for the centre gripping the cable, the holder with coupling assembling rotates to be connected.
3. The cable lifting spreader of claim 2, wherein the clamping mechanism further comprises a swivel connector;
the clamping piece is rotatably connected with the connecting assembly through the rotary connector;
the rotating connector is provided with a first connecting end and a second connecting end, the first connecting end is rotatably connected to the second connecting end around a first axis, the first connecting end is connected to the connecting assembly, and the second connecting end is connected to the clamping piece.
4. A cable lifting spreader according to claim 3, wherein the connection assembly comprises a connection socket and a connector;
the connecting seat is connected to the traction rope;
one end of the connecting piece is rotatably connected to the connecting seat around a second axis, the other end of the connecting piece is connected to the first connecting end, and the second axis is perpendicular to the first axis.
5. A cable lifting sling according to claim 4, wherein the attachment socket is detachably connected to the pull line.
6. A cable lifting sling according to claim 5, wherein the attachment socket is detachably connected to the traction rope by means of a wire rope clip;
two connecting holes are formed in the connecting seat, the two connecting holes are strip-shaped holes and are arranged along the length direction of the connecting holes at intervals, the steel wire rope buckle is provided with two studs, and each stud penetrates through the corresponding connecting hole.
7. The cable lifting sling according to any one of claims 2-6, wherein the clamps are hoops.
8. A cable lifting sling according to claim 1, wherein a lifting member for lifting is connected to one end of the traction rope.
9. A hoisting device, characterized by comprising a hoisting means and a cable lifting sling according to any one of claims 1-8;
the hauling rope is connected to the hoisting device, and the hoisting device is used for driving the cable lifting sling to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120509702.8U CN214255445U (en) | 2021-03-10 | 2021-03-10 | Cable lifting sling and lifting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120509702.8U CN214255445U (en) | 2021-03-10 | 2021-03-10 | Cable lifting sling and lifting equipment |
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| CN214255445U true CN214255445U (en) | 2021-09-21 |
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| CN202120509702.8U Active CN214255445U (en) | 2021-03-10 | 2021-03-10 | Cable lifting sling and lifting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318348A (en) * | 2021-11-17 | 2022-04-12 | 海洋石油工程股份有限公司 | Inclined-pulling type impressed current cathodic protection device and method |
| CN114784708A (en) * | 2022-04-18 | 2022-07-22 | 大连科迈尔防腐科技有限公司 | Composite cable installation method for newly-built jacket |
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2021
- 2021-03-10 CN CN202120509702.8U patent/CN214255445U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318348A (en) * | 2021-11-17 | 2022-04-12 | 海洋石油工程股份有限公司 | Inclined-pulling type impressed current cathodic protection device and method |
| CN114318348B (en) * | 2021-11-17 | 2023-11-28 | 海洋石油工程股份有限公司 | Oblique-pulling type impressed current cathode protection device and method |
| CN114784708A (en) * | 2022-04-18 | 2022-07-22 | 大连科迈尔防腐科技有限公司 | Composite cable installation method for newly-built jacket |
| CN114784708B (en) * | 2022-04-18 | 2022-11-08 | 大连科迈尔防腐科技有限公司 | Composite cable installation method for newly-built jacket |
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