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WO2019100225A1 - Appareil de préhension de câble - Google Patents

Appareil de préhension de câble Download PDF

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Publication number
WO2019100225A1
WO2019100225A1 PCT/CN2017/112244 CN2017112244W WO2019100225A1 WO 2019100225 A1 WO2019100225 A1 WO 2019100225A1 CN 2017112244 W CN2017112244 W CN 2017112244W WO 2019100225 A1 WO2019100225 A1 WO 2019100225A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
cavity
passage
jaw
push block
Prior art date
Application number
PCT/CN2017/112244
Other languages
English (en)
Chinese (zh)
Inventor
周大宁
Original Assignee
青岛朔方国际贸易有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 青岛朔方国际贸易有限公司 filed Critical 青岛朔方国际贸易有限公司
Priority to PCT/CN2017/112244 priority Critical patent/WO2019100225A1/fr
Publication of WO2019100225A1 publication Critical patent/WO2019100225A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/12—Connections or attachments, e.g. turnbuckles, adapted for straining of cables, ropes, or wire

Definitions

  • the present application relates to a cable clamping device and belongs to the field of cable fixing.
  • Wire rope guardrails are mainly used for highways, railways and protective belts on both sides of bridges; security protection for airports, ports and terminals; road safety protection for highways, mountains and tourist attractions.
  • the degree of tension of the wire rope is required to be high, so that the guardrail can be stably stabilized.
  • the clamping device in the prior art is mostly a single tubular structure.
  • the wire rope is first inserted into the device, and then the hydraulic crimping tool is used to extrude the product, and the clamping device is directly deformed as a whole, and then the fastening wire rope is realized. Since most of the end customers do not have hydraulic crimping tools, and the hydraulic crimping tools are bulky and heavy in weight, they are inconvenient to carry and use.
  • the wire rope needs to be cut into a fixed length according to the design in advance, and after being fastened with the wire puller, the length cannot be changed again. If the length of the construction site changes, the fastened combination product can only be discarded.
  • US7043801B2 and its co-proprietary CN100455845C which provide a spring-loaded and self-locking cable gripping device comprising a housing having a portion of a tapered passage, two serrated half jaws, a spacer, a spring, a retaining clip and cover.
  • the device is spring loaded and self-locking for clamping and securing the cable.
  • the serrated half jaws and springs lock the cable in place, allowing only the cable to move in one direction.
  • the purpose of the application is to provide a cable clamping device which can be used for clamping cables and has a simpler structure. Single and smaller.
  • a first embodiment of the present application provides a cable clamping device including a cable puller head, a clamping jaw and an outer casing;
  • the inside of the wire puller head has a first passage having a tapered surface therein; the puller head further has a first outer surface, and the first outer surface is provided with a first external thread surface.
  • the jaw includes a first jaw and a second jaw, the two of which can cooperate with each other to form a cone having a second passage therein for receiving a cable; when the jaw approaches the tapered surface, The volume of the two channels becomes smaller.
  • the interior of the outer casing has a first cavity, the first end of the outer casing being open to receive the wire puller head and the jaws within the first cavity.
  • the first cavity has a first internal thread surface, and the wire connector head and the outer casing are matched by the first external thread surface and the first internal thread surface, so that the wire puller head can move within the outer casing.
  • the cable clamping device provided by the second embodiment of the present application further includes the following technical features:
  • the first section of the first passage of the wire puller head is a tapered surface, and the second section of the first passage is a second internal thread surface;
  • the cable gripping device further includes a push block having an outer surface having a second externally threaded surface, the second externally threaded surface being engageable with a second internally threaded surface of the puller head.
  • the cable clamping device provided by the third embodiment of the present application further includes the following technical feature: the second end of the outer casing is provided with a hole for The power source enters the first cavity to push the push block 4 to move.
  • This application only needs to insert a cable such as a wire rope into the jaws, and then use external force and use the device.
  • the taper structure squeezes the jaws to compress the cable.
  • the present application directly adjusts the jaws by a controllable external force, which can make the grasping force more proper and the stability of the grasping is better.
  • the present invention can further advance the cable into the outer casing by adjusting the relative position of the wire puller head and the outer casing while grasping the cable, thereby making the cable pulled tighter and the adjustability is high.
  • the cable clamping device provided by the present application can fasten and tighten the wire rope quickly and conveniently without the hydraulic crimping tool pressing the outer casing.
  • the present application can flexibly adjust the length of the cable according to the construction site, disassemble the clamped device that has been assembled and fastened, and change the length of the cable to achieve re-installation.
  • Figure 1 is an exploded view of the cable gripping device of the first embodiment
  • Figure 2 is a cross-sectional view of Figure 1;
  • Figure 3 is an assembly view of the cable clamping device 1;
  • Figure 4 is an assembly view of the cable clamping device 2
  • Figure 5 is an assembly view of the cable clamping device 3;
  • Figure 6 is an exploded view of the cable gripping device of the second embodiment
  • Figure 7 is a cross-sectional view of Figure 6;
  • Figure 8 is a partial structural view of the cable clamping device
  • Figure 9 is a deformation diagram of the push block
  • Figure 10 is a combination diagram of a push block and a cushion
  • Figure 11 is a power source diagram
  • Figure 12 is a schematic view of the operation of the cable clamping device 1;
  • Figure 13 is a schematic view of the operation of the cable clamping device 2;
  • Figure 14 is an overall view of one form of a cable gripping device
  • 1 puller head 11 first passage, 12 tapered surface, 13 first outer surface, 14 first external thread surface, 15 second internal thread surface, 2 jaws, 21 first jaw, 22 second jaw 23 second channel, 24 internal teeth, 3 outer casing, 31 first cavity, 32 first end, 33 first internal thread surface, 34 second end, 35 holes, 36 flange, 4 push block, 41 second External thread surface, 42 second cavity, 43 blind hole, 44 cushion, 5 power source, 51 pusher, 52 hand, 6 cable.
  • a first embodiment of the present application provides a cable gripping device, as shown in Figures 1-5, including a cord puller head 1, a jaw 2 and a housing 3.
  • the inside of the wire puller head 1 has a first passage 11 having a tapered surface 12 therein; the puller head 1 further has a first outer surface 13 on which the first outer surface 13 is disposed There is a first external thread surface 14.
  • the clamping jaw 2 includes a first clamping jaw 21 and a second clamping jaw 22, which can cooperate with each other to form a cone.
  • the jaw 2 has a second passage 23 therein for receiving a cable.
  • the jaws 2 are located in the first passage 11 when the cable is grasped.
  • the distance between the first jaw 21 and the second jaw 22 is reduced, so that the volume of the second passage 23 becomes small, and the cable can be grasped.
  • the inner surface of the second passage 23 has internal teeth 24.
  • the internal teeth 24 may be in the shape of a thread or a zigzag shape in order to increase the friction and better grasp the cable.
  • the inside of the outer casing 3 has a first cavity 31, the first end 32 of which is open to accommodate the wire puller head 1 and the jaws 2 within the first cavity 31.
  • the first cavity 31 has a first internal thread surface 33 therein, and the first external thread surface 14 and the first internal thread surface 33 are matched between the wire puller head 1 and the outer casing 3, so that the wire puller head 1 can be Movement within the outer casing 3.
  • the second end 34 of the outer casing 3 is provided with a flange 36.
  • the outer casing 3 extends from the first end of the mounting hole formed in the rail to the second end of the mounting hole for the second end 34 of the outer casing Retaining at the first end of the railing mounting hole, the first end 32 of the housing passes through the mounting hole to the second end of the mounting hole, and the clamping operation of the cable is performed at the second end of the mounting hole.
  • the installation procedure of the first embodiment can be referred to FIG. 3-5 to install a conventional railing cable (wire rope) as an illustrative example, but the scope of protection of the present application is not limited thereto:
  • the cable 6 having a first end (free end) and a second end (fixed end) fixed to the adjacent second rail; the first end of the cable 6
  • the distance between the second ends of the cables may be slightly less than the distance between the two railings;
  • the first end (free end) of the cable 6 extends from the left side into the first passage 11 of the puller head 1, and then enters the jaw 2 in a relaxed state;
  • pushing the jaw 2 into the tapered surface 12 can be realized by any power source that can play a pushing role, such as a screwdriver, a wrench, etc.; since the pushing process can be externally forceed, and the external force is The source, type, and force are all controllable, so that the jaw 2 can be fixed in the puller head 1 very firmly.
  • a power source that can play a pushing role
  • the pushing process can be externally forceed, and the external force is The source, type, and force are all controllable, so that the jaw 2 can be fixed in the puller head 1 very firmly.
  • step (4) in order to prevent the cable 6 from being deformed by rotation, it is preferable to keep the cable 6 and the wire puller head 1 from rotating, and to rotate the outer casing 3 so that the wire puller head 1 passively enters into the outer casing 3.
  • the cable clamping device provided by the second embodiment of the present application is based on the first embodiment; that is, the technical solution of the first embodiment is also feasible in the present embodiment. , will not repeat them here; it also includes the following technical features:
  • the first section of the first channel 11 of the wire puller 1 is a tapered surface 12
  • the second section of the first channel 11 is a second internal thread surface 15;
  • the cable clamping device further includes a push block 4, the outer surface of the push block 4 having a second external thread surface 41, and the second external thread surface 41 and the second internal thread surface 15 of the wire puller head 1 Match.
  • the push block 4 is movable back and forth in the first passage 11 by the cooperation of the two thread faces.
  • the push block 4 has a second cavity 42 therein.
  • the jaw 2 is situated between the first section of the first channel 11 and the push block 4.
  • the jaws 2 are all located in the first passage 11; as a preferred embodiment, all or part of the pusher block 4 is located in the first passage 11.
  • the second cavity 42 may be a passage through the push block 4, as shown in FIG. 6-8; or a blind hole 43 opening at an end away from the jaw 2, as shown in the figure. 9 shows that the viewing direction of the left side view of FIG. 9 substantially coincides with the viewing direction of FIG.
  • the push block 4 is provided with a cushion 44 near one end of the jaw 2, and the cushion 44 has elasticity, and the material thereof is rubber or plastic, etc.
  • the force of the block 4 when pushing the jaws 2 reduces the damage to the jaws 2.
  • the second cavity 42 is a polygon, and conventionally, a triangle, a rectangle, a pentagon, a hexagon, or the like may be selected; as shown in FIG. 6 and FIG. One way.
  • the cable clamping device further includes a power source 5 for driving the push block 3 during installation or removal of the cable.
  • the power source 5 can select a corresponding polygonal wrench according to the shape of the second cavity 32 of the push block 4; the wrench includes a pushing portion 51 and a hand portion 52, and the pushing portion 51 Having a shape that matches the second cavity 42 of the push block 4, it may be preferable that the push portion 51 is a rod.
  • Figure 11 shows several conventional wrenches, from left to right, hexagonal wrenches, pentagonal wrenches, rectangular wrenches and triangular wrenches; for example, for the inner hexagonal push block 4 in Figure 6, the most The hexagonal wrench on the left is screwed in or out of the push block 4.
  • the embodiment has the same or similar installation procedure; by adding the push block 4 and the power source 5 for giving the push block 4 power, the push block 4 can be screwed in or unscrewed in the puller head 1 After assembly, the push block 4 can be fixed in the wire puller head 1 to effectively prevent the jaws 2 from being tapered Escape from face 12.
  • the size of the push block 4 can be adjusted according to actual needs, in the actual processing and production, especially when used for the guardrail wire rope clamping, the entire clamping device can be made very small, and on the one hand, the consumables are saved. On the other hand, due to the small size, the guardrail wire rope is more beautiful.
  • the cable clamping device provided by the third embodiment of the present application is as shown in FIGS. 12-14 on the basis of the structure of the second embodiment; that is, the technologies of the first embodiment and the second embodiment
  • the solution is also feasible in the present embodiment, but the assembly steps and working modes are slightly different), and the following technical features are also included:
  • the second end 34 of the outer casing 3 defines a hole 35 for the power source 5 to enter the first cavity 31 to push the push block 4 to move.
  • the diameter of the hole 35 may be smaller than the diameter of the push block 4 to prevent the push block 4 from falling out of the hole 35; the diameter of the hole 35 is greater than or equal to the pushing portion 51 of the power source 5. The diameter, in this way, the power source 5 can enter the first cavity 31 to push or pull back the push block 4.
  • the first end of the wire puller head 1 is located outside the first end 32 of the outer casing 3, and the second end of the wire puller head 1 is located in the first cavity 31, as shown in FIG. .
  • the wire puller head 1 can be further screwed into the outer casing 4, thereby further tightening the cable 6; at the same time, the first cavity 31 can be secured. There is enough room for screwing in.
  • FIG. 12 and FIG. 13 For the installation process of the third embodiment, reference may be made to FIG. 12 and FIG. 13; similarly, the conventional railing cable is installed as an example, but the scope of protection of the present application is not limited thereto:
  • the cable 6 having a first end (free end) and a second end (fixed end) fixed to the adjacent second rail; the first end of the cable 6
  • the distance between the second end of the cable can be Slightly smaller than the distance between the two railings.
  • the push block 4 is screwed into the first passage 11 and not deep, and the jaw 2 can also be expanded in the first passage 11 of the puller head 1.
  • the power source 5 is used to push the push block 4 into the first passage 11 in the direction of the first end 32 of the outer casing 3, thereby causing the jaw 2 to pull the puller
  • the inside of the tapered surface 12 of the head 1 is moved such that the volume of the second passage 23 is reduced, and the cable 6 is more grasped, thereby fixing the cable 6 in the holding device as shown in FIG.
  • the wire puller head 1 is further rotated. It enters the first cavity 31 of the outer casing 3 such that the cable 6 is gradually tightened between the two railings.
  • the wire puller head 1 does not rotate, but rotates the outer casing 3 such that the wire puller head 1 passively enters the outer casing 3.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

La présente invention invention concerne un appareil de préhension de câble et relève du domaine de la fixation de câble. L'appareil de préhension comprend une tête de préhension de fil (1), une mâchoire de préhension (2) et un boîtier (3) ; un premier canal (11) est disposé à l'intérieur de la tête de préhension de fil (1), une surface effilée (12) étant disposée dans le premier canal ; la tête de préhension de fil (1) a une première surface externe (13), sur laquelle est disposée une première surface filetée externe (14) ; la mâchoire de préhension (2) comprend une première mâchoire de préhension (21) et une seconde mâchoire de préhension (22), les deux pouvant se combiner l'une avec l'autre sous la forme d'un corps conique ; un second canal (23) pouvant accueillir un câble est disposé à l'intérieur de la mâchoire de préhension (2) ; une première cavité (31) est disposée à l'intérieur du boîtier (3), la première cavité (31) comportant en son sein une première surface filetée interne (33) et la tête de préhension de fil (1) correspondant au boîtier (3) grâce à la première surface filetée externe (14) et à la première surface filetée interne (33), de telle sorte que la tête de préhension de fil (1) puisse se déplacer à l'intérieur du boîtier (3).
PCT/CN2017/112244 2017-11-22 2017-11-22 Appareil de préhension de câble WO2019100225A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/112244 WO2019100225A1 (fr) 2017-11-22 2017-11-22 Appareil de préhension de câble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/112244 WO2019100225A1 (fr) 2017-11-22 2017-11-22 Appareil de préhension de câble

Publications (1)

Publication Number Publication Date
WO2019100225A1 true WO2019100225A1 (fr) 2019-05-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11300180B2 (en) * 2018-09-06 2022-04-12 Digger Specialties, Inc. Vertical cable railing assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293178A (en) * 1979-08-03 1981-10-06 Hop Lee Coupling for an electric cable
US5015023A (en) * 1989-12-11 1991-05-14 Hall Gaddis G Automatic cable gripping device
CN1894520A (zh) * 2003-10-03 2007-01-10 费尼钢缆与传动装置公司 弹簧加载且自锁的线缆夹持装置
US20090304441A1 (en) * 2008-06-10 2009-12-10 Landry Stanley A Median Barrier Cable Termination
US20110084180A1 (en) * 2009-10-14 2011-04-14 Feeney, Inc. Interchangeable Self-Locking Spring Loaded Quick Connect Apparatus For Wire Rope Cable and The Like
US20140138596A1 (en) * 2012-11-17 2014-05-22 George H. Ross Cable railing
CN204164268U (zh) * 2014-10-16 2015-02-18 诚拓企业有限公司 钢索端点夹紧器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293178A (en) * 1979-08-03 1981-10-06 Hop Lee Coupling for an electric cable
US5015023A (en) * 1989-12-11 1991-05-14 Hall Gaddis G Automatic cable gripping device
CN1894520A (zh) * 2003-10-03 2007-01-10 费尼钢缆与传动装置公司 弹簧加载且自锁的线缆夹持装置
US20090304441A1 (en) * 2008-06-10 2009-12-10 Landry Stanley A Median Barrier Cable Termination
US20110084180A1 (en) * 2009-10-14 2011-04-14 Feeney, Inc. Interchangeable Self-Locking Spring Loaded Quick Connect Apparatus For Wire Rope Cable and The Like
US20140138596A1 (en) * 2012-11-17 2014-05-22 George H. Ross Cable railing
CN204164268U (zh) * 2014-10-16 2015-02-18 诚拓企业有限公司 钢索端点夹紧器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11300180B2 (en) * 2018-09-06 2022-04-12 Digger Specialties, Inc. Vertical cable railing assembly
US20220228644A1 (en) * 2018-09-06 2022-07-21 Digger Specialties, Inc. Vertical Cable Railing Assembly
US11732776B2 (en) * 2018-09-06 2023-08-22 Digger Specialties, Inc. Vertical cable railing assembly

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