CN218252399U

CN218252399U - Optical cable shielding layer ground wire connecting structure and handheld punching device thereof

Info

Publication number: CN218252399U
Application number: CN202221898681.4U
Authority: CN
Inventors: 高雷; 侯春繁; 程景奇; 王文强; 王品; 郭超; 马丽
Original assignee: CRSC Engineering Group Co Ltd; CRSC Engineering Group Co Ltd Tianjin Branch
Current assignee: CRSC Engineering Group Co Ltd; CRSC Engineering Group Co Ltd Tianjin Branch
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-10
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to an optical cable shielding layer ground wire connection structure, including the optical cable of taking the shielding layer, its characterized in that: the method comprises the steps that a shielding layer at the end part of an optical cable is locally stripped to form a shielding layer connecting surface, a punched hole is formed in the shielding layer connecting surface, a rivet ring is fixedly installed on the punched hole, a copper nose is installed on the rivet ring, the rivet ring and the copper nose are tightly pressed and fixed on the shielding layer connecting surface, and the end part of the copper nose is connected with a ground wire. The utility model discloses still relate to optical cable shielding layer ground wire connection structure's punching device, including the riveter and the subassembly that punches a hole, the motor of riveter drives the drive shaft connecting rod and then drives the subassembly drive shaft that punches a hole and just reverse, and the drive shaft is just reversing to drive the axle that punches a hole and is stretched out or the withdrawal, and the axle front end system that punches a hole has the jumper bar. The utility model discloses can realize that optical cable shielding layer ground wire connection process time is short, efficient, can single handheld operation, use lightly, the technological level has obvious improvement on original wiring level.

Description

Optical cable shielding layer ground wire connecting structure and handheld punching device thereof

Technical Field

The utility model relates to an optical cable connects technical field, specifically is an optical cable shielding layer ground wire connection structure and hand-held type punching device thereof.

Background

In recent years, with the rapid development of high-speed railways in China, large-scale construction of high-speed railways and special railways, the construction process standard of railways is continuously improved, and the requirements on safety and quality are continuously improved. Reliable grounding of equipment and optical cables is an important part in railway communication construction, is a necessary measure for ensuring the safety of railway communication equipment, and is related to the safety of railway operation. According to technical specification Q/CR9606-2015 of high-speed railway communication engineering, the steel strip of the cable shielding layer and the metal reinforcing core are fastened in the joint box, and the steel strip of the cable shielding layer and the metal reinforcing core on the same side are electrically communicated.

For the method for connecting the shielding layer steel belt of the optical cable with the ground wire during connection, the traditional method is always used, namely, the crocodile clip mode is adopted to clamp the shielding layer steel belt of the optical cable, and the ground wire is connected with the shielding layer steel belt. The method is greatly influenced by the tightness of the crocodile clip, and if the crocodile clip is too loose, virtual connection is easily caused; if the clamping is too tight, the shielding layer steel belt is easy to be pinched off, and poor contact is easily caused by the influences of movement of the splice closure, cable traction, rotation and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an optical cable shielding layer ground wire connection structure, punch a hole the back and be connected with rivet ring and copper nose, not only connect reliably, the connection process time is short moreover, efficient.

An object of the utility model is also to provide an optical cable shielding layer ground wire connection structure's hand-held type punching device can realize punching a hole to the optical cable shielding layer, uses lightly, can realize one-hand operation.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides an optical cable shielding layer ground wire connection structure, includes the optical cable of taking the shielding layer, its characterized in that: the method comprises the steps that a shielding layer at the end part of an optical cable is locally stripped to form a shielding layer connecting surface, a punched hole is formed in the shielding layer connecting surface, a rivet ring is fixedly installed on the punched hole, a copper nose is installed on the rivet ring, the rivet ring and the copper nose are tightly pressed and fixed on the shielding layer connecting surface, and the end part of the copper nose is connected with a ground wire.

The utility model provides a hand-held type punching device for optical cable shielding layer ground wire connection structure, includes the rivet machine, and the rivet machine includes battery tray, handle, motor casing, motor and drive shaft connecting rod, its characterized in that: the front sleeve is mounted at the end part of the motor shell through the locking sleeve, the bearing assembly is mounted at the rear end of the front sleeve, the driving shaft is coaxially mounted on the bearing assembly, the rear end of the driving shaft is in clamping transmission connection with the front end of a driving shaft connecting rod of the rivet pulling machine, external threads are formed at the front end of the driving shaft, the punching shaft is mounted in the front sleeve, an internal thread hole is formed at the rear end of the punching shaft, the internal thread hole at the rear end of the punching shaft is in meshing mounting with the external threads at the front end of the driving shaft, the driving shaft connecting rod is driven by the motor to drive the driving shaft to rotate forwards and backwards, and the driving shaft rotates forwards and backwards to drive the punching shaft to extend out or retract; the front end of the punching shaft is provided with a punching rod; the front end of the front sleeve is fixedly provided with a punching seat, and the punching seat is provided with a through hole for the punch rod to stretch and a limiting groove for the shielding layer connecting surface to be placed.

And the rear end of the punching seat is provided with a connecting cylinder, and the rear end of the connecting cylinder is in threaded connection with the front sleeve.

And the lower part of the punching seat corresponding to the limiting groove is provided with a U-shaped adjusting groove in a sliding way, the specific structure is that the front surface and the back surface of the punching seat are fixedly provided with limiting bulges, the U-shaped adjusting groove is slidably clamped on the limiting bulges through long grooves formed on the front surface and the back surface, and the U-shaped adjusting groove is slidably adjusted along the depth direction of the limiting groove to adjust the depth of the limiting groove.

The utility model discloses an advantage and beneficial effect do:

1. the utility model discloses an optical cable shielding layer ground wire connection structure, rivet ring compress tightly with the copper nose and fix and be connected the face at the shielding layer, and the tip and the ground wire of this copper nose are connected, through new connected mode, can effectively solve optical cable metal shielding layer earthing problem, have also improved efficiency of construction and construction quality.

2. The utility model discloses an optical cable shielding layer ground wire connection structure's hand-held type punching device can make on the shielding layer is connected the face and punch a hole conveniently to realize the rivet ring of next process and the installation of being connected of copper nose, convenient operation, convenient to carry.

3. The utility model discloses an optical cable shielding layer ground wire connection structure's hand-held type punching device, the lower part slidable mounting U type adjustment tank that corresponds the spacing groove on the seat of punching a hole, U type adjustment tank slide through the elongated slot of just, reverse side system and clamp on spacing arch, and U type adjustment tank adjusts along spacing groove depth direction slide adjusting the degree of depth of spacing groove, according to the shielding layer connection face on punch a hole position control its spacing groove degree of depth, improves the operation precision of the processing of punching a hole.

4. The utility model discloses optical cable shielding layer ground wire connection structure and punching device thereof, structural design scientific and reasonable, the connection process time is short, efficient, can single handheld operation, use lightly, the technology level has obvious improvement on original wiring level, is favorable to improving the social of enterprise, plays positive effect to unified construction process standard and improvement efficiency of construction, has good application prospect.

Drawings

Fig. 1 is a schematic structural view of the handheld punching device for an optical cable shielding layer ground wire connection structure of the present invention;

fig. 2 is a cross-sectional view of the punch assembly of the present invention;

fig. 3 is a schematic diagram of a punching structure of the ground wire connection structure of the optical cable shielding layer of the present invention;

fig. 4 is a schematic structural view of the ground wire connection structure of the optical cable shielding layer of the present invention;

description of the reference numerals

1-battery holder, 2-handle, 3-motor shell, 4-locking sleeve, 5-front sleeve, 6-connecting cylinder, 7-punching seat, 8-limiting groove, 9-long groove, 10-limiting protrusion, 11-U-shaped adjusting groove, 12-driving shaft connecting rod, 13-driving shaft, 14-bearing assembly, 15-external thread, 16-internal thread hole, 17-punching shaft, 18-punching rod, 19-through hole, 20-shielding layer, 21-shielding layer connecting surface, 22-punching hole, 23-optical cable, 24-rivet ring and 25-copper nose.

Detailed Description

The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.

An optical cable shielding layer ground wire connection structure is shown in fig. 3, and comprises an optical cable 23 with a shielding layer 20, wherein the shielding layer 20 at the end part of the optical cable is partially peeled off to form a shielding layer connection surface 21, a punched hole 22 is formed on the shielding layer connection surface 21, a rivet ring 24 is fixedly arranged on the punched hole 22, a copper nose 25 is arranged on the rivet ring 24, the rivet ring 24 and the copper nose 25 are pressed and fixed on the shielding layer connection surface 21, and the end part of the copper nose 25 is connected with a ground wire.

A hand-held type punching device for an optical cable shielding layer ground wire connection structure comprises a rivet machine, wherein the rivet machine adopts an electric rivet machine, the rivet machine comprises a battery holder 1, a handle 2, a motor shell 3, a motor (not shown) and a driving shaft connecting rod 12, the motor is arranged in the motor shell, and the driving shaft connecting rod 12 is fixedly installed with a motor shaft. Still include the subassembly that punches a hole, this subassembly that punches a hole includes lock sleeve 4, preceding sleeve 5, drive shaft 13, bearing assembly 14, the axle 17 that punches a hole, ram 18 and the seat 7 that punches a hole, preceding sleeve 5 is installed in the motor casing tip through lock sleeve 4, at the rear end installation bearing assembly 14 of preceding sleeve 5, this bearing assembly 14 coaxial arrangement drive shaft 13, this drive shaft 13 rear end and the drive shaft connecting rod 12 front end clamping transmission of riveter are connected, 13 rear end system of drive shaft have hexagonal prism face, clamp with the hexagonal groove of making of drive shaft connecting rod 12 front end. The front end of the driving shaft 13 is provided with an external thread 15, the punching shaft 17 is installed in the front sleeve 5, the rear end of the punching shaft 17 is provided with an internal thread hole 16, the internal thread hole 16 at the rear end of the punching shaft 17 is meshed with the external thread 15 at the front end of the driving shaft 13, the motor drives the driving shaft connecting rod 12 to drive the driving shaft 13 to rotate forward and backward, and the driving shaft 13 rotates forward and backward to drive the punching shaft 17 to extend or retract; the front end of the punching shaft 17 is provided with a punching rod 18; the front end of the front sleeve 5 is fixedly provided with a punching seat 7, and the punching seat 7 is provided with a through hole 19 for the extension of the punching rod 18 and a limiting groove 8 for the placement of a shielding layer connecting surface 21.

The rear end of the punching seat 7 is provided with a connecting cylinder 6, and the rear end of the connecting cylinder 6 is in threaded connection with the front sleeve 5.

The lower part of the punching seat 7 corresponding to the limiting groove 8 is provided with a U-shaped adjusting groove 11 in a sliding way, the specific structure is that the front surface and the back surface of the punching seat 7 are fixedly provided with a limiting bulge 10, the U-shaped adjusting groove 11 is clamped on the limiting bulge 10 in a sliding way through a long groove 9 formed in the front surface and the back surface, and the U-shaped adjusting groove 11 is adjusted in a sliding way along the depth direction of the limiting groove 8 to adjust the depth of the limiting groove 8.

The utility model discloses a hand-held type punching device for optical cable shielding layer ground wire connection structure's working process does:

stripping the optical cable shielding layer, adjusting the U-shaped adjusting groove of the top clamping structure to a proper position by using the device, leaning the top limiting groove on the optical cable shielding layer, starting a power supply and completing punching. The rivet ring 24 is placed at the punching position, the copper nose 25 is installed on the ground wire, the copper nose 25 is sleeved on the rivet ring 24 and is pressed and fixed by a crimping clamp, and the rivet ring 24 and the copper nose 25 are fixed at the punching position to realize reliable connection with the shielding layer connecting surface 21. And finally, waterproofing and fixing the joint to complete the ground wire connection of the shielding layer of the optical cable.

Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, alterations, and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and thus the scope of the invention is not limited to the embodiments and drawings disclosed.

Claims

1. An optical cable shielding layer ground wire connection structure, which comprises an optical cable (23) with a shielding layer (20), and is characterized in that: the shielding layer (20) at the end part of the optical cable (23) is locally stripped to form a shielding layer connecting surface (21), a punched hole (22) is formed in the shielding layer connecting surface (21), a rivet ring (24) is fixedly installed on the punched hole (22), a copper nose (25) is installed on the rivet ring (24), the rivet ring (24) and the copper nose (25) are tightly pressed and fixed on the shielding layer connecting surface (21), and the end part of the copper nose (25) is connected with a ground wire.

2. The utility model provides a hand-held type punching device for optical cable shielding layer ground wire connection structure, includes the rivet machine, and the rivet machine includes battery tray (1), handle (2), motor casing (3), motor and drive shaft connecting rod (12), its characterized in that: the punching assembly comprises a locking sleeve (4), a front sleeve (5), a driving shaft (13), a bearing assembly (14), a punching shaft (17), a punching rod (18) and a punching seat (7), wherein the front sleeve (5) is installed at the end part of a motor shell (3) through the locking sleeve (4), the bearing assembly (14) is installed at the rear end of the front sleeve (5), the driving shaft (13) is coaxially installed on the bearing assembly (14), the rear end of the driving shaft (13) is in clamping transmission connection with the front end of a driving shaft connecting rod (12) of a rivet pulling machine, an external thread (15) is formed at the front end of the driving shaft (13), the punching shaft (17) is installed in the front sleeve (5), an internal thread hole (16) is formed at the rear end of the punching shaft (17), the internal thread hole (16) at the rear end of the punching shaft (17) is in meshing installation with the external thread (15) at the front end of the driving shaft (13), the driving shaft (12) is driven by the motor to drive the driving shaft (13) to further drive the driving shaft (13) to rotate forwards and reversely, and the driving shaft (13) to drive the punching shaft (17) to extend out or retract forwards and reversely; the front end of the punching shaft (17) is provided with a punching rod (18); the front end of the front sleeve (5) is fixedly provided with a punching seat (7), and the punching seat (7) is provided with a through hole (19) for the punch rod (18) to stretch and a limiting groove (8) for the shielding layer connecting surface (21) to be placed.

3. The handheld punching device for the ground wire connection structure of the optical cable shielding layer according to claim 2, wherein: the rear end of the punching seat (7) is provided with a connecting cylinder (6), and the rear end of the connecting cylinder (6) is in threaded connection with the front sleeve (5).

4. The hand-held punching device for the ground wire connection structure of the optical cable shielding layer according to claim 2, wherein: the lower part of the punching seat (7) corresponding to the limiting groove (8) is provided with a U-shaped adjusting groove (11) in a sliding manner, the specific structure is that limiting protrusions (10) are fixedly arranged on the front surface and the back surface of the punching seat (7), the U-shaped adjusting groove (11) is slidably clamped on the limiting protrusions (10) through long grooves (9) formed on the front surface and the back surface, and the U-shaped adjusting groove (11) is slidably adjusted along the depth direction of the limiting groove (8) to adjust the depth of the limiting groove (8).