阅读说明：本技术 双接触线整体悬挂式吊索组件 (Double-contact line integral suspension type sling component ) 是由 魏莹 刘娟 林�建 黎锋 皋金龙 李士杰 刘江磊 何花蕾 邓相龙 王杰 于 2021-07-20 设计创作，主要内容包括：一种双接触线整体悬挂式吊索组件,包括吊索固定座1、双接触线悬挂线夹2、吊索拉线3,所述双接触线悬挂线夹2布置在吊索固定座1的下方两侧,两根吊索拉线3的上端通过第一心型环4分别与吊索固定座1连接,两根吊索拉线3下端通过第二心型环5分别与双接触线悬挂线夹2连接,将两个双接触线悬挂线夹2悬吊在吊索固定座1的下方两侧,形成倒V字型结构。本发明通过一组吊索组件悬吊双接触线,组成部件少、重量减轻,降低接触硬点,改善受电弓取流质量。(The utility model provides an integral suspension type hoist cable subassembly of double contact line, includes hoist cable fixing base 1, double contact line suspension fastener 2, hoist cable 3 that acts as go-between, double contact line suspension fastener 2 arranges in hoist cable fixing base 1 below both sides, and two hoist cable 3 that act as go-between's upper end is connected with hoist cable fixing base 1 respectively through first heart type ring 4, and two hoist cable 3 lower extremes of acting as go-between are connected with double contact line suspension fastener 2 respectively through second heart type ring 5, suspend two double contact line suspension fastener 2 in midair in hoist cable fixing base 1 below both sides, form the style of calligraphy of falling V structure. The invention suspends double contact wires by a group of sling components, has less component parts, reduces weight, reduces contact hard points and improves the current-taking quality of the pantograph.)

1. The utility model provides a whole suspension type hoist cable subassembly of two contact wires which characterized in that: the sling fixing seat (1) is formed by connecting a U-shaped bolt pair (1-1) and a half hoop body (1-2), a first single lug (1-4) along the line direction is arranged below the half hoop body (1-2), and two first connecting holes (1-3) are arranged on the first single lug (1-4) side by side; the double-contact-line suspension wire clamp (2) comprises a left clamping plate (2-2), a middle clamping plate (2-4) and a right clamping plate (2-3), wherein a second single lug (2-1) along the line direction is arranged above the middle clamping plate (2-4), a second connecting hole (2-1-1) is formed in the second single lug (2-1), and first tooth-shaped bosses (2-5) along the line direction are arranged on two sides of the bottom of the middle clamping plate (2-4); the left clamping plate (2-2) and the right clamping plate (2-4) are identical in structure and are oppositely arranged on two sides of the middle clamping plate (2-4), and the inner sides of the bottoms of the left clamping plate (2-2) and the right clamping plate (2-4) are respectively provided with a second tooth-shaped boss (2-6) along the direction of a circuit; the left clamping plate (2-2), the middle clamping plate (2-4) and the right clamping plate (2-3) are connected together through a bolt pair (6), and are respectively matched with the two first tooth-shaped bosses (2-5) through the two second tooth-shaped bosses (2-6) to simultaneously clamp the two contact wires (7); the double-contact-line suspension wire clamps (2) are arranged on two sides below the sling fixing seat (1), the upper ends of two sling pull wires (3) are respectively connected with two first connecting holes (1-3) through first heart-shaped rings (4), the lower ends of the two sling pull wires (3) are respectively connected with second connecting holes (2-1-1) through second heart-shaped rings (5), and the two double-contact-line suspension wire clamps (2) are suspended on two sides below the sling fixing seat (1) to form an inverted V-shaped structure.

2. The dual contact line integral suspension sling assembly of claim 1, wherein: the middle parts of the left clamping plate (2-2) and the right clamping plate (2-4) are respectively provided with a through hole (2-7), and the upper parts of the inner sides of the left clamping plate and the right clamping plate are respectively provided with a groove (2-8); the middle part of the middle splint (2-4) is provided with a through hole (2-4-2), and the upper parts of the two sides are symmetrically provided with convex edges (2-4-1) matched with the grooves (2-8); the bolt pair (6) penetrates through the through holes (2-7) and the through holes (2-4-2) to connect the left clamping plate (2-2), the middle clamping plate (2-4) and the right clamping plate (2-3) together, and the convex edges (2-4-1) are clamped into the corresponding grooves (2-8) respectively.

3. A double contact line integral suspension sling assembly as defined in claim 1 or 2, wherein: first single ear (1-4) are all equipped with first arc concave surface (1-5) along line direction both sides, and just first arc concave surface (1-5) are located the below of first connecting hole (1-3) and link up with first connecting hole (1-3).

4. A dual contact line integral suspension sling assembly as defined in claim 3, wherein: second arc-shaped concave surfaces (2-1-2) are arranged on two sides of the second single lug (2-1) along the line direction, the second connecting hole (2-1-1) is of an annular structure, the cross section of the annular structure is circular, and the second arc-shaped concave surfaces (2-1-2) are located on the periphery of the lower portion of the second connecting hole (2-1-1).

Technical Field

The invention relates to the technical field of flexible contact networks of urban rail transit, in particular to a double-contact-line integral suspension type sling component.

Background

The suspension cable assembly is one of important components in a simple suspension cantilever device of a flexible contact network of urban rail transit, suspension points are increased through the suspension cable assembly, so that hard points generated at the suspension points are reduced, and the sag of contact lines in adjacent strut spans is ensured to meet the requirement of locomotive running. The existing double-contact line simple suspension is characterized in that two sets of suspension cable assemblies are fixed on a flat cantilever in parallel to suspend double-contact lines respectively, and the distance between the two contact lines and the height between the two contact lines are difficult to ensure at the suspension point; and the number of the components is large, so that the workload is increased for installation, operation and maintenance. Particularly, the distance between the two sling fixing seats is larger than the distance between the two contact lines due to the limitation of the width of the two sling fixing seats, so that the sling pull line generates outward pulling component force on the sling wire clamp, and potential grooving hidden danger exists on the contact lines.

Disclosure of Invention

The invention provides a double-contact line integral suspension sling component, which overcomes the defects of the prior art.

The technical scheme adopted by the invention is as follows: a double-contact-line integral suspension type sling component comprises a sling fixing seat, a double-contact-line suspension wire clamp and a sling pull wire, wherein the sling fixing seat is formed by connecting a U-shaped bolt pair and a half hoop body, a first single lug along the line direction is arranged below the half hoop body, and two first connecting holes are arranged on the first single lug side by side; the double-contact-line suspension wire clamp comprises a left clamping plate, a middle clamping plate and a right clamping plate, wherein a second single lug along the line direction is arranged above the middle clamping plate, a second connecting hole is formed in the second single lug, and first tooth-shaped bosses along the line direction are arranged on two sides of the bottom of the middle clamping plate; the left clamping plate and the right clamping plate are identical in structure and are oppositely arranged on two sides of the middle clamping plate, and second tooth-shaped bosses along the direction of a circuit are arranged on the inner sides of the bottoms of the left clamping plate and the right clamping plate; the left clamping plate, the middle clamping plate and the right clamping plate are connected together through bolt pairs and respectively matched with the two first tooth-shaped bosses through the two second tooth-shaped bosses to simultaneously clamp two contact lines; the double-contact-line suspension wire clamps are arranged on two sides below the sling fixing seat, the upper ends of two sling pull wires are respectively connected with two first connecting holes through first heart-shaped rings, the lower ends of the two sling pull wires are respectively connected with second connecting holes through second heart-shaped rings, and the two double-contact-line suspension wire clamps are suspended on two sides below the sling fixing seat to form an inverted V-shaped structure.

The middle parts of the left clamping plate and the right clamping plate are respectively provided with a through hole, and the upper parts of the inner sides of the left clamping plate and the right clamping plate are respectively provided with a groove; the middle part of the middle splint is provided with a through hole, and the upper parts of the two sides are symmetrically provided with convex edges matched with the grooves; the bolt pair penetrates through the through hole and the through hole to connect the left clamping plate, the middle clamping plate and the right clamping plate together, and the convex ribs are clamped into the corresponding grooves respectively.

First monaural all is equipped with first arc concave surface along line direction both sides, and first arc concave surface is located the below of first connecting hole and link up with first connecting hole.

The second single lug is provided with second arc-shaped concave surfaces along two sides of the direction of the circuit, the second connecting hole is of an annular structure, the cross section of the annular structure is circular, and the second arc-shaped concave surfaces are located on the periphery of the lower portion of the second connecting hole.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention suspends double contact wires by a group of sling components, has less component parts, reduces weight, reduces contact hard points and improves the current-taking quality of the pantograph.

2. The invention fixes two contact wires simultaneously by the double-contact wire suspension clamp to ensure that the two contact wires are equidistant and equal in height; when the locomotive pantograph passes through, the two contact wires can realize synchronous contact lifting, so that the stability and reliability of the locomotive for taking current from the contact net are improved.

3. The single lug connected with the sling stay wire is arranged along the line direction and is positioned on the same vertical plane with the stress surface of the sling stay wire, so that additional component force in an extra direction is not generated on the suspension wire clamp with the double contact wires, the reliable clamping of the double contact wires is realized, and the safety and reliability of the product are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a sling mount of the present invention;

FIG. 3 is a schematic view of a contact wire sling clip configuration of the present invention;

FIG. 4 is a schematic view of the structure of the intermediate plate according to the present invention;

FIG. 5 is a schematic view of the structure of the left and right splints of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1 to 5 and the embodiments.

A double-contact-line integral suspension type sling component comprises a sling fixing seat 1, a double-contact-line suspension wire clamp 2 and a sling pull wire 3, wherein the sling fixing seat 1 is formed by connecting a U-shaped bolt pair 1-1 and a half hoop body 1-2, a first single lug 1-4 along the line direction is arranged below the half hoop body 1-2, and two first connecting holes 1-3 are arranged on the first single lug 1-4 side by side; the double-contact-line suspension wire clamp 2 comprises a left clamping plate 2-2, a middle clamping plate 2-4 and a right clamping plate 2-3, wherein a second single lug 2-1 along the line direction is arranged above the middle clamping plate 2-4, a second connecting hole 2-1-1 is formed in the second single lug 2-1, and first tooth-shaped bosses 2-5 along the line direction are arranged on two sides of the bottom of the middle clamping plate 2-4; the left clamping plate 2-2 and the right clamping plate 2-4 are identical in structure and are oppositely arranged on two sides of the middle clamping plate 2-4, and second tooth-shaped bosses 2-6 along the line direction are arranged on the inner sides of the bottoms of the left clamping plate 2-2 and the right clamping plate 2-4; the left clamping plate 2-2, the middle clamping plate 2-4 and the right clamping plate 2-3 are connected together through a bolt pair 6, and are respectively matched with the two first tooth-shaped bosses 2-5 through the two second tooth-shaped bosses 2-6 to simultaneously clamp two contact wires 7; the double-contact-line suspension wire clamps 2 are arranged on two sides below the sling fixing seat 1, the upper ends of the two sling pull wires 3 are respectively connected with the two first connecting holes 1-3 through the first heart-shaped rings 4, the lower ends of the two sling pull wires 3 are respectively connected with the second connecting holes 2-1-1 through the second heart-shaped rings 5, and the two double-contact-line suspension wire clamps 2 are suspended on two sides below the sling fixing seat 1 to form an inverted V-shaped structure.

In one embodiment, the middle parts of the left clamping plate 2-2 and the right clamping plate 2-4 are provided with through holes 2-7, and the upper parts of the inner sides of the left clamping plate and the right clamping plate are provided with grooves 2-8; the middle part of the middle splint 2-4 is provided with a through hole 2-4-2, and the upper parts of the two sides are symmetrically provided with convex edges 2-4-1 matched with the grooves 2-8; the bolt pair 6 penetrates through the through holes 2-7 and the through holes 2-4-2 to connect the left clamping plate 2-2, the middle clamping plate 2-4 and the right clamping plate 2-3 together, and the convex edges 2-4-1 are clamped into the corresponding grooves 2-8 respectively.

In one embodiment, the first single lug 1-4 is provided with first arc-shaped concave surfaces 1-5 at two sides along the line direction, and the first arc-shaped concave surfaces 1-5 are located below the first connecting holes 1-3 and are communicated with the first connecting holes 1-3, so as to reduce the thickness below the first connecting holes 1-3, thereby facilitating the first heart-shaped ring 4 to be sleeved into the first connecting holes 1-3.

In one embodiment, the second single lug 2-1 is provided with second arc-shaped concave surfaces 2-1-2 at two sides along the line direction, the second connecting hole 2-1-1 is in an annular structure, the cross section of the annular structure is circular, and the second arc-shaped concave surfaces 2-1-2 are positioned at the periphery of the lower part of the second connecting hole 2-1-1 to reduce the thickness of the periphery of the lower part of the second connecting hole 2-1-1, so that the second heart-shaped ring 5 can be conveniently sleeved in the second connecting hole 2-1-1.

When the suspension cable clamp is used, the sling fixing seat 1 is fixed on the flat cantilever 8, the two double-contact-line suspension cable clamps 2 are suspended on two sides of the lower portion of the sling fixing seat 1 through the sling pull wires 3 to form an inverted V-shaped structure, and finally the two contact wires 7 are clamped below the two double-contact-line suspension cable clamps 2. The length of the sling stay wire 3 is cut, pressed and installed on site according to the on-site measurement result so as to improve the construction and installation precision.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which should not be construed as limiting the scope of the invention, and therefore all equivalent variations made by the following claims should be included in the scope of the invention.