CN100356645C

CN100356645C - Double-wheel supported drum assembly for optical communication wire and grond wire

Info

Publication number: CN100356645C
Application number: CNB028043928A
Authority: CN
Inventors: 蔡喆镐; 李敏揆
Original assignee: LG Cables and Machinery Co Ltd
Current assignee: LG Cables and Machinery Co Ltd
Priority date: 2001-09-07
Filing date: 2002-08-27
Publication date: 2007-12-19
Anticipated expiration: 2022-08-27
Also published as: MA26394A1; CN1489816A; KR100401324B1; KR20020090093A; WO2003023923A1

Abstract

The two-wheel supporting roller assembly for installing or exchanging optical communication wires and ground wires according to the present invention includes an upper roller, a lower roller, a rope fixing unit for connecting an upper frame and a lower frame with a rope fixing connector and combining units mounted each roller, wherein combining units comprises pressing clutches installed to each of the upper and lower frames and having a flat portion and a groove on a wing at one side, engaging plates fixed to each frame with its end disc portion and having a protrusion combined into the groove, shutters combined to each of the pressing clutches at an end portion and having a combining groove at an opposite portion, and a compression spring installed between a shutter and a washer fixed with a countersunk bolt connected to the pressing clutch.

Description

The two-wheel supporting roller assembly that is used for optical communication wire and ground wire

Technical field

The present invention relates to a kind of installation and positive energy exchange transmission tower optical communication wire (OPGW for instance, of being used for; The optical fiber ground wire) and ground wire (for instance, AWS) two-wheel supporting roller assembly, particularly a kind of two-wheel supporting roller assembly that is used for optical communication and ground wire, it can easily be assisted guide rope is installed, and can be easily and accurately fixing flashboard, the optical communication ground wire that inserts up-down roller is installed on flashboard.

Background technology

Supporting drum is usually used in installing between the power transfer tower and exchange optical communication wire or ground wire.

When installing or exchange optical communication wire or ground wire, be trouble-saving generation, need cut off the electricity supply, in case the electric current input lead.

The two-wheel supporting roller assembly that is used to install optical communication wire or ground wire comprises: cylinder on, and optical communication wire between the power transfer tower or ground wire are positioned at wherein, a bottom roll, pull rope is positioned at wherein, and a rope fixing unit, and guide rope is positioned at wherein.

For line being inserted the last cylinder or the bottom roll of two-wheel supporting drum, the rotary shutter fixed handle is opened flashboard, rotates flashboard then, so that the last cylinder of two-wheel supporting drum or the part of bottom roll are opened.

From opening after the space inserts line, the rotation flashboard so that engagement groove can be accurately with handle on pins engages.By turning handle locking flashboard.

For preventing that circuit from separating from the two-wheel supporting drum, the interlock groove on the flashboard should accurately mesh with bolt.If because workman's carelessness, the interlock groove does not accurately mesh with pin, in operating process, flashboard just might be opened.If flashboard is opened, line will separate from the two-wheel supporting drum, will produce electric fault in the transmission tower.

In addition, can not do hookup wire very inconvenient like this with a manual manipulation flashboard.

Summary of the invention

The invention reside in the problems referred to above that overcome prior art, target of the present invention provides a kind of two-wheel supporting roller assembly, wherein flashboard can easily be operated with a hand, and after interlock groove and handle bolt engagement, can accurately and safely keep its lock-out state.

According to the present invention, the two-wheel supporting roller assembly that is used to install or exchange optical communication wire and ground wire comprises: cylinder, a bottom roll, are connected the rope fixing unit of upper bracket and lower carriage and are installed in two combining units on the cylinder by rope fixing connector on one, it is characterized in that: combining unit comprises the pressure sleeve that is installed on upper bracket and the lower carriage, this sleeve pipe has a planar section, also has a groove in a side of wing plate; The engaging plate of its end disc portion partial fixing on each support, it has a projection that is combined in the groove; Its end is attached to the flashboard on each pressure sleeve, and it has an engagement groove at relative position; Be installed in the compression spring between flashboard and the packing ring, and fix with the counter-sunk screw that is connected to pressure sleeve.

In one embodiment of the invention, rope fixing unit can comprise the rope fixing connector with interior space of circles, it inserts guide rope to a direction opening at this point, and a rope fixture that contacts and be rotatably connected to a cheese head screw with rope fixing connector.

According to the present invention, when pushing rope in the rope fixing unit, initial condition is opened and returned to rope fixing connector, and guide rope can be installed at an easy rate like this.

Description of drawings

These and other aspect of the preferred embodiment of the present invention, feature and advantage will more fully be described in the detailed description with the accompanying drawing below.Among the figure:

Fig. 1 is the decomposition diagram of supporting drum assembly critical piece among the present invention;

Fig. 2 is the cutaway view of supporting drum assembly under confined state among the present invention;

Fig. 3 is the end view of supporting drum assembly operation among the present invention;

Fig. 4 is for showing the cutaway view of interlock of the present invention unit;

Fig. 5 is for showing the cutaway view of interlock unit operations of the present invention;

Fig. 6 is for showing the end view of interlock of the present invention unit;

Fig. 7 is the supporting drum component drawings of the present invention under user mode.

Embodiment

Below, elaborate the preferred embodiments of the present invention with reference to the accompanying drawings.

Two-wheel supporting roller assembly of the present invention comprises: a cylinder 1 and a bottom roll 2 on one, their structure is identical, and all is connected with rope fixing unit 3.

Last cylinder 1 has a upper bracket 10, on the top of upper bracket, has two bearings 16, an axle collar 17 and a conveying cylinder 14 all to be installed on the screw axis 15, and is fixing with nut 18.In the bottom of upper bracket 10 wide space, a guide plate 11 of being made by synthetic resin or plastics is fixed on a part of the inboard of two parts of upper bracket 10 and flashboard 12 by screw 11 '.

Upper bracket 10 has an open side, makes optical communication wire 5 just can insert upper bracket 10 or separates from upper bracket 10.Steady pin 13 also is installed in the lower end of upper bracket 10.

Flashboard 12 has an engagement groove 12 ', and steady pin 13 can insert wherein, by combining unit 4 locking or unlock.

Bottom roll 2 has a lower carriage 20, on the top of lower carriage, has two bearings 26, an axle collar 27 and a conveying cylinder 24 all to be installed on the screw axis 25, and is fixing with nut 28.In the top of lower carriage 20 wide space, a guide plate 21 of being made by synthetic resin or plastics is fixed on a part of the inboard of two parts of lower carriage 20 and flashboard 22 by screw 21 '.

Lower carriage 20 has an open side, makes pull rope 7 can insert lower carriage 20 or separates from lower carriage 20.Steady pin 23 also is installed in the upper end of lower carriage 20.

Flashboard 22 has an engagement groove 22 ', and steady pin 23 can insert wherein, by combining unit 4 locking or unlock.

The combining unit 4 that is installed on the up-down roller 1,2 has a pressure sleeve 40, inserts wherein respectively at

support

10 and 20 inner bolt axles 15 and 25.

For

support

10 and 20, pressure sleeve 40 has planar section 40 ' in its both sides, so that can move horizontally.On the wing plate 41 that is formed at pressure sleeve 40 rear portions, the groove 41 ' that is formed at both sides is arranged.

In the outside of pressure sleeve 40, an engaging plate 42 is installed, it has the projection 43 that is formed at both sides, so as with groove 41 ' interlock or disengaging.As shown in Figure 3, engaging plate 42 usefulness headless screws 47 are fixed on the support 10.Like this, have a same 26S Proteasome Structure and Function in the pressure sleeve of support 20 40 and the support 10, detailed description is omitted at this.

Flashboard 12 is installed on the end disc portion 42 ' of engaging plate 42, is positioned at the outside of engaging plate 42.In the outside of flashboard 12, compression spring 44 and packing ring 45 have been installed successively, counter-sunk screw 46 is installed in the centre of packing ring 45, is used for end disc portion 42 ', flashboard 12, compression spring 44 and the packing ring 45 of engaging plate 42 are assembled to pressure sleeve 40.

Rope fixing unit 3 is connected in upper bracket and lower carriage 10 and 20.Rope fixing unit 3 comprises that an intermediate width is than its circular wide rope fixing connector 30.Rope fixing unit 3 also has a rope fixture 31, and it contacts with rope fixing connector 30 and rotatably is connected in a cheese head screw 32 in the upper end of rope fixing unit 3.Also has a hinge spring 33 that is connected to cheese head screw 32.Hinge spring 33 and rope fixture 31 are installed on the steady pin 13, so that rope fixture 31 turns back to initial condition after rotation.

In two-wheel supporting roller assembly of the present invention, if the workman promotes the packing ring 45 of combining unit 4 with palm, the pressure sleeve 40 that is connected with counter-sunk screw 46 directly travels forward, and can not rotate owing to the effect of planar section 40 '.

At this moment, if packing ring 45 is pressed to projection 43 with the engaging plate 42 of the groove 41 ' engagement of pressure sleeve 40, as shown in Figure 4, pressure sleeve 40 will move inward, and makes groove 41 ' and projection 43 separately, as shown in Figure 5.

If projection 43 separates from groove part 41 ', upper bracket 10 just can be by the Unscrew of flashboard 12 so.Like this, flashboard 12 is towards the direction rotation opposite with engagement groove.

If flashboard 12 rotations, optical communication wire 5 just can insert upper bracket 10.Then, when rotation flashboard 12 arrived its initial condition, in case projection 43 and groove 41 ' engagement, packing ring 45 was owing to the elasticity of compression spring will move outwardly.At this moment, pressure sleeve 40 also moves outwardly, like this projection 43 and groove 41 ' engagement.

If the 41 ' engagement of the groove of the projection of engaging plate 42 and pressure sleeve 40, because planar section 40 ' stops the rotation of pressure sleeve 40 and engaging plate 42, flashboard 12 locks reliably.Like this, the optical communication wire 5 in the upper bracket 10 can separate from upper bracket 10 in no instance.

Bottom roll 2 is the same with upper bracket 10 working methods, in other words, opens flashboard 22 if promote packing ring 45, and pull rope 7 just can insert lower carriage 20 by open space.Return initial condition by flashboard 22 then, pull rope 7 just can be installed reliably.

Combining unit 4 is installed on cylinder and bottom roll 1 and 2, and like this, the workman just can be with a hand rotary shutter 12,22.In addition, optical communication wire 5 or pull rope 7 can easily insert

guide plate

11,21 or separate from guide plate 11,21.And when

flashboard

12,22 rotated for engagement groove 12 ', 22 ' is combined with

steady pin

13,23, because the engagement of engaging plate 42 and pressure sleeve 40, combining unit 4 can not unlock.In this state, if packing ring 45 is not pushed, combining unit 4 can not opened.

Because

flashboard

12,22 can rotate easily with a hand, and when as described in conjunction with after, can open in no instance, optical communication wire 5 or ground wire just can be installed and be exchanged safely.

After last cylinder 1 was installed optical communication wire 5 and bottom roll 2 installation pull ropes 7, guide rope 6 was inserted into the intermediate space of rope fixing unit 3 from rope fixing connector 30 1 sides.

If guide rope 6 inserts in the rope fixing connector 30, rope fixture 31 is pushed, so that it serves as the axle rotation with cheese head screw 32.If guide rope 6 passes rope fixture 31, because the effect of hinge spring 33, initial condition is returned in anchor clamps 31 rotations, thereby contacts with rope fixing connector 30.

Afterwards, guide rope 6 by rope fixture 31 hooks to rope fixing connector 30.

At this moment, because the beginning of the inner space of rope fixing connector 30 is that both sides are wideer than circular holes, guide rope 6 can easily insert this space.

By optical communication wire 5, guide rope 6 and pull rope 7 are installed, as shown in Figure 7, two-wheel supporting roller assembly can be installed according to the mobile set a distance of hauling machine 8.

If locomotive 8 needs to move when mounted, it is possible with new ground wire that last cylinder 1 by being inverted two-wheel supporting roller assembly and bottom roll 2 exchange the old line of optical communication wire, just can reclaim old line then.

At this moment, guide rope 6 plays a part safety rope, prevents to prolong distance or other accident between the two-wheel supporting roller assembly.

When installing or exchange optical communication wire or ground wire, because flashboard can easily change with a hand-screw by engaging plate and pressure sleeve are separated, and the flashboard that returns initial condition can open because of external force in no instance, and therefore two-wheel supporting roller assembly of the present invention can prevent that principal vertical line separates or other incident.

In addition, according to the present invention, because rotation back rope fixture returns initial condition automatically, and rope fixing connector has the hole of broad in both sides, and guide rope can easily be connected to rope fixing unit.

Two-wheel supporting roller assembly of the present invention is described in detail.Yet, concerning one of ordinary skill in the art, because multiple variation in spirit and scope of the invention and modification will become obvious from top description, so be construed as these detailed descriptions and specific example, all be when describing the preferred embodiments of the present invention, only to provide with the form of setting forth.

Claims

1. two-wheel supporting roller assembly that is used to install or exchange optical communication wire and ground wire comprises: go up cylinder and bottom roll, this assembly comprises:

The rope fixing unit that connects upper bracket and lower carriage with rope fixing connector;

Be installed in the combining unit on each described cylinder,

Wherein, combining unit also comprises:

Pressure sleeve is installed on each of upper bracket and lower carriage, and has planar section and have groove on the wing plate that is formed at the pressure sleeve rear portion;

Engaging plate, its end disc portion is fixed on each of upper bracket and lower carriage, and has the projection that is incorporated in this groove;

Flashboard is incorporated in the other end at its end and pressure sleeve knot and has engagement groove; And

The compression spring is installed between flashboard and the packing ring and with the counter-sunk screw that is connected to pressure sleeve and fixes.

2. a kind of two-wheel supporting roller assembly as claimed in claim 1 is characterized in that rope fixing unit comprises:

Rope fixing connector has interior space of circles and the hole that is positioned at both sides, and guide rope is from wherein inserting;

Rope fixture contacts and rotatably is connected in cheese head screw with rope fixing connector; And

Be connected to the hinge spring of cheese head screw, therefore rope fixture can be turned back to its initial condition.