High-strength tensile cable and joint assembly thereof

Abstract

The high-strength tensile cable comprises a cable core, a constraint sleeve, an armor layer, an insulating layer and a tensile assembly, the constraint sleeve is sleeved outside the cable core, the armor layer is sleeved outside the constraint sleeve, the insulating layer is injection-molded outside the armor layer, the tensile assembly is arranged between the armor layer and the constraint sleeve, and the tensile assembly is arranged between the armor layer and the constraint sleeve. The tensile assembly comprises tensile wires, clamping blocks and a binding unit, the tensile wires are arranged on the armor layer and the binding sleeve, the tensile wires and the wire cores are arranged in parallel, the clamping blocks are fixedly connected to the outer portions of the tensile wires, the binding sleeve is sleeved with the binding unit, and the tensile wires are connected with the binding unit in a clamped mode through the clamping blocks. According to the utility model, the tensile wires can be arranged outside the wire cores in parallel under the action of the binding units and the clamping blocks by using the cooperative use mode of the wire cores, the binding sleeves, the armor layers, the insulating layers and the tensile assemblies, so that tensile protection is carried out on the cable, and the tensile capability of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cable field especially relates to a high strength tensile cable and joint subassembly thereof. BACKGROUND

[0002] Cable is the general term of optical cable, cable and other articles, mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, is a common and indispensable thing in daily life, cable is usually composed of conductor, insulating layer, shielding layer and sheath, these components work together to ensure effective signal transmission and reliable power transmission.

[0003] In the cable production, in order to improve the tensile capacity of cable, the tensile wire is usually arranged outside the core, and in order to ensure the stability of the tensile wire attached to the outside of the core, so as to facilitate the injection of the insulating layer, the tensile wire is usually wound on the outside of the core in the form of spiral or net texture interweaving.

[0004] But the tensile wire is interwoven on the outside of the core in the form of spiral or net texture interweaving, the tensile wire can release certain prestress, so that when the cable is subjected to tension, part of the tension will act on the core and the insulating layer, and then the core and the insulating layer will be damaged, thus there is a certain defect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high strength tensile cable and joint subassembly thereof to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high strength tensile cable, comprising:

[0007] Core;

[0008] Binding sleeve, sleeve is connected to the outside of the core, the binding sleeve is used to bind the core;

[0009] Armour layer, sleeve is connected to the outside of the binding sleeve;

[0010] Insulating layer, injection molding is carried out on the outside of the armour layer, the insulating layer is used to insulate the core;

[0011] Tensile assembly, is arranged between the armour layer and the binding sleeve, the tensile assembly comprises:

[0012] Tensile wire, is arranged in the armour layer and the binding sleeve, the tensile wire is arranged in parallel with the core, the tensile wire is used to pull out the core;

[0013] Clamping block, fixedly connected to the outside of the tensile wire;

[0014] The binding unit is sleeved outside the binding sleeve, and the anti-tension wire is clamped with the binding unit through the clamping block.

[0015] Preferably, the anti-tension assembly further comprises a filler arranged between the armored layer and the binding sleeve, and the filler is used for binding and limiting the anti-tension wire and the binding unit.

[0016] Preferably, the binding unit comprises:

[0017] The limiting sleeve ring is sleeved outside the binding sleeve;

[0018] The first slot is arranged in the inner wall of the limiting sleeve ring, and the outer wall of the anti-tension wire is sleeved with the first slot;

[0019] The first clamping groove is arranged in the inner wall of the limiting sleeve ring, the inner cavity of the first clamping groove and the inner cavity of the first slot are in communication with each other, and the outer wall of the clamping block is clamped with the inner cavity of the first clamping groove.

[0020] Preferably, the binding unit comprises:

[0021] The first arc block and the second arc block are symmetrically clamped outside the binding sleeve;

[0022] The second slot is arranged in the inner wall of the first arc block and the second arc block, and the outer wall of the anti-tension wire is sleeved with the second slot;

[0023] The second clamping groove is arranged in the inner wall of the first arc block and the second arc block, the inner cavity of the second clamping groove and the inner cavity of the second slot are in communication with each other, and the outer wall of the clamping block is clamped with the inner cavity of the second clamping groove.

[0024] Preferably, the binding unit further comprises:

[0025] The positioning plate is fixedly connected to the bottom of the first arc block;

[0026] The positioning groove is arranged in the top of the second arc block, and the outer wall of the positioning plate is clamped with the inner cavity of the positioning groove.

[0027] Preferably, the binding unit further comprises:

[0028] The elastic clamping piece is fixedly connected to the side of the positioning plate;

[0029] The groove is arranged in the inner wall of the positioning groove, and the outer wall of the elastic clamping piece is clamped with the inner cavity of the groove.

[0030] Another purpose of the utility model provides a joint assembly, the joint assembly includes cable joint and injection molding cover, the cable joint is connected with the wire core, the injection molding cover is connected in the wire core and cable joint connecting place, the joint assembly is used for high strength anti-tension cable.

[0031] The technical effects and advantages of the utility model are as follows:

[0032] The utility model discloses a cooperation mode of the cooperation of the wire core, the binding sleeve, the armored layer, the insulating layer and the tensile assembly, the tensile assembly includes tensile wire, the joint block, the binding unit and the filler, under the action of the binding unit and the joint block, the tensile wire can be arranged in parallel at the outside of the wire core, thereby the tensile protection is carried out to the cable, and the tensile capacity of the cable is improved. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is the whole structure schematic diagram of the utility model.

[0034] Figure 2 It is the partial front inside structure schematic diagram of the utility model.

[0035] Figure 3 It is the whole structure schematic diagram of the binding unit of the first embodiment of the utility model.

[0036] Figure 4 It is the explosion structure schematic diagram of the binding unit of the second embodiment of the utility model.

[0037] In the drawing: 1, wire core;2, binding sleeve;3, armored layer;4, insulating layer;5, tensile assembly;51, tensile wire;52, joint block;53, binding unit;531, limit sleeve ring;532, first slot;533, first clamping groove;534, first arc block;535, second arc block;536, second slot;537, second clamping groove;538, positioning plate;539, positioning groove;5310, elastic clamping piece;54, filler. DETAILED DESCRIPTION

[0038] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0039] Embodiment 1

[0040] The utility model provides Figures 1-3The high-strength tensile cable shown includes a conductor 1, a binding sleeve 2, an armor layer 3, an insulation layer 4, and a tensile component 5. The binding sleeve 2 is fitted over the conductor 1 to bind and wrap it. The armor layer 3 is fitted over the binding sleeve 2. The insulation layer 4 is injection-molded over the armor layer 3 to insulate and protect the conductor 1. The tensile component 5 is disposed between the armor layer 3 and the binding sleeve 2. The tensile component 5 includes tensile wires 51, snap-fit ​​blocks 52, and binding units 53. The tensile wires 51 are disposed between the armor layer 3 and the binding sleeve 2, and are parallel to the conductor 1. Therefore, when the cable is subjected to tensile force, the tensile wires 51 parallel to the conductor 1 can directly provide tensile protection for the cable. Furthermore, one end of the tensile wire 51 is connected to the connector assembly of the cable, thereby improving the stability of the connection between the connector assembly and the cable. The snap-fit ​​block 52 is fixedly connected to the outside of the tensile wire 51, and the binding unit 53 is sleeved on the outside of the binding sleeve 2. The tensile wire 51 is snapped to the binding unit 53 through the snap-fit ​​block 52. Under the action of the snap-fit ​​block 52 and the binding unit 53, the stability of the tensile wire 51 installed outside the wire core 1 can be guaranteed. The tensile component 5 also includes a filler 54, which is disposed between the armor layer 3 and the binding sleeve 2. The filler 54 is used to bind and limit the tensile wire 51 and the binding unit 53. The filler 54 is made of flame-retardant composite material, which can also improve the fire resistance of the cable.

[0041] In particular, the restraint unit 53 includes a limiting collar 531, a first slot 532, and a first locking groove 533. The limiting collar 531 is sleeved on the outside of the restraint sleeve 2. The overall arrangement of the limiting collar 531 can also improve the compressive strength of the cable. The first slot 532 is opened inside the limiting collar 531, and the outer wall of the tensile wire 51 is slidably sleeved with the first slot 532. The first locking groove 533 is opened inside the limiting collar 531, and the inner cavity of the first locking groove 533 is interconnected with the inner cavity of the first slot 532. The outer wall of the locking block 52 is slidably locked with the inner cavity of the first locking groove 533, so that the locking block 52 is locked in the first locking groove 533, which can ensure the stability of the tensile wire 51 installation.

[0042] Example 2

[0043] This utility model provides, for example Figure 4 This is a high-strength tensile cable.

[0044] Different from the embodiment 1, the binding unit 53 comprises a first circular block 534, a second circular block 535, a second slot 536 and a second clamping groove 537, the first circular block 534 and the second circular block 535 are symmetrically clamped on the outside of the binding sleeve 2, the second slot 536 is arranged on the inner wall of the first circular block 534 and the second circular block 535, the outer wall of the anti-tension wire 51 is slidably sleeved with the second slot 536, the second clamping groove 537 is arranged on the inner wall of the first circular block 534 and the second circular block 535, the inner cavity of the second clamping groove 537 is communicated with the inner cavity of the second slot 536, and the outer wall of the clamping block 52 is slidably clamped in the inner cavity of the second clamping groove 537, the first circular block 534 and the second circular block 535 can bind and position the anti-tension wire 51 through the clamping block 52, and the first circular block 534 and the second circular block 535 are symmetrically arranged, so that the anti-tension wire 51 is conveniently installed.

[0045] Further, the binding unit 53 further comprises a positioning plate 538 and a positioning groove 539, the positioning plate 538 is fixedly connected to the bottom of the first circular block 534, the positioning groove 539 is arranged on the top of the second circular block 535, the outer wall of the positioning plate 538 is slidably clamped in the inner cavity of the positioning groove 539, the binding unit 53 further comprises an elastic clamping piece 5310 and a groove, the elastic clamping piece 5310 is fixedly connected to the side of the positioning plate 538, the groove is arranged on the inner wall of the positioning groove 539, and the outer wall of the elastic clamping piece 5310 is slidably clamped in the inner cavity of the groove, under the action of the elastic clamping piece 5310 and the positioning plate 538, the stability of the first circular block 534 and the second circular block 535 clamped on the outside of the wire core 1 can be improved, and after the armor layer 3 is prepared, the stability of the assembly of the first circular block 534 and the second circular block 535 can be ensured again.

[0046] As shown in Figure 1 The embodiment provides a joint assembly, the joint assembly comprises a cable joint and an injection molding sleeve, the cable joint is connected with the wire core 1, the injection molding sleeve is connected at the joint of the wire core 1 and the cable joint, the injection molding sleeve is formed by injection molding of an injection molding material, and the joint assembly is used for the high-strength anti-tension cable.

[0047] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high strength tensile cable, characterized by, The utility model relates to a kind of wire cores (1);Binding sleeve (2) is sleeved on the outside of wire core (1), and the binding sleeve (2) is used to bind and wrap wire core (1);Armour layer (3) is sleeved on the outside of binding sleeve (2);Insulation layer (4) is injection molded on the outside of armour layer (3), and the insulation layer (4) is used to insulate and protect wire core (1);Tensile component (5) is arranged between armour layer (3) and binding sleeve (2), and the tensile component (5) includes: tensile wire (51) is arranged in armour layer (3) and binding sleeve (2), and the tensile wire (51) is arranged in parallel with wire core (1), and the tensile wire (51) is used to resist wire core (1) to pull out;Clamping block (52) is fixedly connected to the outside of tensile wire (51);Binding unit (53) is sleeved on the outside of binding sleeve (2), and the tensile wire (51) is clamped with binding unit (53) by clamping block (52). The utility model also includes filler (54), which is arranged between armour layer (3) and binding sleeve (2), and is used to bind and limit tensile wire (51) and binding unit (53). The binding unit (53) includes: limiting sleeve ring (531) is sleeved on the outside of binding sleeve (2);First slot (532) is opened in the inside of limiting sleeve ring (531), and the outer wall of tensile wire (51) is slidably sleeved with first slot (532);First clamping groove (533) is opened in the inside of limiting sleeve ring (531), and the inner cavity of first clamping groove (533) is communicated with the inner cavity of first slot (532), and the outer wall of clamping block (52) is slidably clamped with the inner cavity of first clamping groove (533). The binding unit (53) includes: first circular arc block (534) and second circular arc block (535) are symmetrically clamped on the outside of binding sleeve (2);Second slot (536) is opened in the inner wall of first circular arc block (534) and second circular arc block (535), and the outer wall of tensile wire (51) is slidably sleeved with second slot (536);Second clamping groove (537) is opened in the inner wall of first circular arc block (534) and second circular arc block (535), and the inner cavity of second clamping groove (537) is communicated with the inner cavity of second slot (536), and the outer wall of clamping block (52) is slidably clamped with the inner cavity of second clamping groove (537). The binding unit (53) also includes: positioning plate (538) is fixedly connected to the bottom of first circular arc block (534);Positioning groove (539) is opened in the top of second circular arc block (535), and the outer wall of positioning plate (538) is slidably clamped with the inner cavity of positioning groove (539). The binding unit (53) also includes: elastic clamping piece (5310) is fixedly connected to the side of positioning plate (538);Groove is opened in the inner wall of positioning groove (539), and the outer wall of elastic clamping piece (5310) is slidably clamped with the inner cavity of groove. ​ ​ ​ 2. A high strength tensile cable according to claim 1, wherein, ​ 3. A high strength tensile cable according to claim 1, wherein, ​ ​ ​ ​ 4. A high strength tensile cable according to claim 1, wherein, ​ ​ ​ ​ 5. A high strength tensile cable according to claim 4, wherein, ​ ​ ​ 6. A high strength tensile cable according to claim 5, wherein, ​ ​ ​ 7. A joint assembly characterized by, The joint assembly comprises a cable joint connected to the core (1) and an injection-moulded sleeve connected to the joint at the core (1), the joint assembly being used in a high-strength tensile cable according to any one of claims 1-6.

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