CN208939469U - Secondary cable lays guiding device - Google Patents

Abstract

The utility model relates to a kind of secondary cables to lay guiding device, it includes multiple guiding tubes, outermost guidance pipe end is equipped with cable fixture, it is connected and fixed by threaded expander self-locking device between guiding tube, threaded expander self-locking device includes that the male threaded joint being spirally connected with thread bush that internal thread thread bush and internal layer guide pipe end to be equipped with is set on outer layer guiding tube front end, internal layer guiding tube is equipped with the expansion loop of outwardly convex below male threaded joint, expansion sleeve is also arranged on the lateral wall of internal layer guiding tube, expansion sleeve tail portion is equipped with multiple elastic fastening pieces, expansion loop outer peripheral diameter is greater than expansion sleeve inner periphery diameter；The utility model provides a kind of secondary cable laying guiding device, secondary cable can be nested with wherein and fixed by secondary cable laying guiding device, it is locked after required length can voluntarily being adjusted on demand, facilitate the guidance and laying of secondary cable, the labor intensity for reducing operating personnel, reduces security risk.

Description

Secondary cable lays guiding device

Technical field:

The utility model relates to a kind of secondary cables to lay guiding device.

Background technique:

Currently, the existing laying of secondary cable is by staff along cable duct or cable in electric operating Slot gradually draws laying, if meeting wider aerial gantry or lesser hole, since staff cannot be introduced into and secondary Cable is softer, needs to fasten on cable and lay after director strip, and director strip majority, can using simple director strips such as pvc pipes at present It is not high by property, convenience, high pendant risk, electric shock risk etc. are easy to happen in strong electric field region work, risk is high；Meanwhile Cable construction process should be avoided as far as possible, and construction personnel is allowed to enter some narrow confined spaces.

Utility model content:

The purpose of this utility model is to provide a kind of secondary cable laying guiding device, secondary cable laying guiding Secondary cable can be nested with wherein and fix by device, lock, facilitate secondary after can voluntarily adjusting required length on demand The guidance and laying of cable, reduce the labor intensity of operating personnel, reduce security risk.

To achieve the above objectives, the present invention adopts the following technical solutions:

A kind of secondary cable lays guiding device, it is characterised in that: is arranged sliding between each other and inside is passed through including multiple Logical guiding tube, outermost guidance pipe end are equipped with cable fixture, are mutually arranged two adjacent guiding tubes of sliding Between be connected and fixed by threaded expander self-locking device, the threaded expander self-locking device includes setting on outer layer guiding tube front end The male threaded joint being spirally connected with thread bush that internal thread thread bush and internal layer guidance pipe end are equipped with, the internal layer Guiding tube is equipped with the expansion loop of outwardly convex below male threaded joint, interior between the expansion loop and male threaded joint A slidable expansion sleeve is also arranged on the lateral wall of layer guiding tube, the expansion sleeve tail portion is equipped with multiple be sticked in expansion loop Outside can bend the elastic fastening piece being extruded on outer layer guidance inside pipe wall outward, and the expansion loop outer peripheral diameter is greater than swollen Expansion set inner periphery diameter.

Further, the cable fixture includes the cable hoop connecting with outermost guiding tube tail portion outer wall thread Set, equipped with the connecting rod fixed ring being rotatablely connected with cable cuff in cable cuff tail portion, on the outermost guidance inside pipe wall Equidistantly around being hinged with multiple guiding tube connecting rods centered on guiding tube axis, be hinged in the connecting rod fixed ring it is multiple with draw The corresponding cable cuff connecting rod of conduit connecting rod, the guiding tube connecting rod and cable cuff connecting rod are hingedly connected by cable briquetting It connects, the cable briquetting is equipped with buffering close to an end face upper berth of guiding tube central axis and increases resistance material, described outermost to draw It is additionally provided on pipe inner wall with the inwardly protruded bulge loop for preventing cable briquetting and inside pipe wall being guided to directly fit contact.

Further, protrusion is additionally provided on the outer layer guidance inside pipe wall being mutually arranged in two adjacent guiding tubes of sliding Supporting pad, the supporting pad is arranged in below the expansion sleeve of internal layer guiding tube.

Further, the guidance tube head of innermost layer is equipped with guiding illumination device, and the guiding illumination device is in innermost layer Guiding tube lateral wall be equipped with one for control guiding illumination device opening and closing switch.

The purpose of this utility model is to provide a kind of secondary cable laying guiding device, secondary cable laying guiding Secondary cable can be nested with wherein and fix by device, lock after can adjusting on demand required length, facilitate secondary cable Guidance and laying, reduce the labor intensity of operating personnel, reduce security risk.

For the purpose of this utility model, technical solution and advantage is more clearly understood, specific embodiment will be passed through below And relevant drawings, the utility model is described in further detail.

Detailed description of the invention:

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model internal structure partial enlargement diagram one；

Fig. 3 is the utility model internal structure partial enlargement diagram two；

Fig. 4 is the utility model expansion sleeve and elastic fastening piece overlooking structure diagram；

Fig. 5 is the utility model expansion sleeve and elastic fastening piece left view structural representation；

Fig. 6 is the utility model cable fixture internal structure diagrammatic side-view cross-sectional schematic diagram one；

Fig. 7 is the utility model cable fixture internal structure diagrammatic side-view cross-sectional schematic diagram two；

Fig. 8 is that the utility model cable fixture internal structure overlooks schematic cross-sectional view.

Label declaration: 1- guiding tube, 11- outer layer guiding tube, 111- supporting pad, 12- internal layer guiding tube, 2- threaded expander are certainly Locking device, 21- thread bush, 22- male threaded joint, 23- expansion loop, 24- expansion sleeve, 25- elastic fastening piece, 3- cable are fixed Device, 31- cable cuff, 32- connecting rod fixed ring, 33- guiding tube connecting rod, 34- cable cuff connecting rod, 35- cable briquetting, 36- Buffering increases resistance material, 37- bulge loop, 4- guiding illumination device, 41- switch.

Specific embodiment:

A kind of secondary cable laying guiding device comprising multiple guiding tubes for being arranged sliding and internal run-through between each other 1, outermost guidance pipe end is equipped with cable fixture 3, is mutually arranged between two adjacent guiding tubes of sliding logical It crosses threaded expander self-locking device 2 to be connected and fixed, the threaded expander self-locking device includes in 11 front end of outer layer guiding tube is equipped with The male threaded joint 22 being spirally connected with thread bush that the thread bush 21 of screw thread and 12 end of internal layer guiding tube are equipped with, it is described interior Layer guiding tube is equipped with the expansion loop 23 of outwardly convex below male threaded joint, between the expansion loop and male threaded joint Internal layer guiding tube lateral wall on be also arranged with a slidable expansion sleeve 24, the expansion sleeve tail portion is equipped with multiple be sticked Can bend outward on the outside of expansion loop is extruded in the elastic fastening piece 25 on outer layer guidance inside pipe wall, and the expansion loop periphery is straight Diameter is greater than expansion sleeve inner periphery diameter；

The guiding tube can have certain toughness, elasticity, intensity and good by polyethylene, glass fibre, resin etc. The material of insulating properties is made, and elastic fastening piece can be good by the elasticity such as synthetic fibers, plastics, rubber, silica gel and insulation performance Material is made；

Cable, which passes through, to be pierced by inside guiding tube from front end, and cable rear end is locked by cable fixture, multiple guidance It is mutually arranged sliding between pipe and forms retractable structure, threaded expander self-locking device is between two adjacent guiding tubes being arranged Elasticity adjust；

When two adjacent guiding tubes need to be locked, internal layer guiding tube is drawn to outside first, is pulled to male threaded joint Internal layer guiding tube is rotated while continuing to pull up internal layer guiding tube with thread bush after being in contact, makes male threaded joint and screw thread Set starts spiral connection, and the distance between expansion sleeve and expansion loop are increasingly closer while internal layer guiding tube rotates, before expansion sleeve By contact in thread bush rear end, elastic fastening piece will decomposite one along the pulling force of guiding tube axial direction after contacting with expansion loop for end A component along guiding tube radial direction goes to squeeze elastic fastening piece outward, and the angle that elastic fastening piece is bent outward is increasingly Greatly, the pressure for squeezing outer layer guiding tube is increasing, to complete being locked for two neighboring internal layer guiding tube；

It is required when along with locking instead to rotate internal layer guiding tube in the opposite direction when guiding tube needs retraction storage, make The distance between expansion sleeve and expansion loop slowly increase, elastic fastening piece automatic rebounding, outside lateral bending under own resilient effect The angle of folding is gradually reduced, and the pressure for squeezing outer layer guiding tube is smaller and smaller, is continued to rotate internal layer guiding tube, is connected external screw thread Portion and screw thread w set are detached from, freely slidable between internal layer guiding tube and outer layer guiding tube at this time, convenient for collecting；

Expansion loop converts radial pressure for axial pulling force with elastic fastening piece, is conveniently adjusted two neighboring guiding tube Between tightness, and elastic fastening piece be elastic material, provide a degree of buffering for adjusting elasticity, enhance Service life.

The cable fixture includes the cable cuff 31 connecting with outermost guiding tube tail portion outer wall thread, cable The connecting rod fixed ring 32 that be rotatablely connected with cable cuff is equipped in cuff tail portion, to guide on the outermost guidance inside pipe wall Multiple and guiding tube equidistantly is hinged in the connecting rod fixed ring around multiple guiding tube connecting rods 33 are hinged with centered on pipe axis The corresponding cable cuff connecting rod 34 of connecting rod, the guiding tube connecting rod and cable cuff connecting rod are hingedly connected by cable briquetting 35 It connects, the cable briquetting is equipped with buffering close to an end face upper berth of guiding tube central axis and increases resistance material 36, described outermost It is additionally provided on guidance inside pipe wall with the inwardly protruded bulge loop for preventing cable briquetting and inside pipe wall being guided to directly fit contact 37。

Cable pierces among cable cuff and is arranged between multiple cable pressing plates of guidance inside pipe wall, revolving outer Cable cuff makes the angle between guiding tube connecting rod and cable cuff connecting rod become smaller to make cable briquetting gradually into guiding tube Mandrel line is close, and the spacing between cable briquetting is smaller and smaller until being fixed cable, and buffering, which increases resistance material, can be used rubber The outside portion that the materials such as glue, silica gel are laid on cable briquetting is directly fitted with cable to be contacted, and is capable of increasing frictional force and is provided buffering, It prevents from squeezing macrolesion cable surface of exerting oneself, increasing friction force is prevented in bootup process, sent out between cable and cable briquetting It is raw to slide or even fall off relatively, operation is facilitated, promotes safety, connecting rod fixed ring and cable cuff can pass through bearing, groove Etc. modes be rotatablely connected, it is ensured that while cable cuff and outermost layer guiding tube relatively rotate, connecting rod fixed ring and Outermost layer guiding tube does not relatively rotate, and ensure that the safety used；

When needing to dismantle releases cable, cable cuff is reversely rotated, is made between guiding tube connecting rod and cable cuff connecting rod Angle becomes larger that cable briquetting is made to be gradually distance from guiding tube central axis, and the spacing between cable briquetting is increasing straight Do not contact to being completely disengaged with cable, be convenient to extraction cable or guiding tube at this time, bulge loop can prevent guiding tube connecting rod, Angle between cable cuff connecting rod and cable briquetting is increasing in addition three on the same line, can guarantee that next time needs Be fixedly clamped cable when, cable briquetting can be transported along the direction for moving closer to guiding tube central axis after rotatable cable cuff It is dynamic.

A kind of embodiment, be mutually arranged in two adjacent guiding tubes of sliding outer layer guidance inside pipe wall on be additionally provided with it is convex The supporting pad 111 risen, the supporting pad are arranged in below the expansion sleeve of internal layer guiding tube；

Supporting pad can prevent that internal layer guidance pipe end is prevented to continue outer layers guidance pipe end sliding, internal layer guiding tube Front end some be pierced by the front end of outer layer guiding tube, next time is in use, before internal layer guiding tube of holding with a firm grip with can be convenient End and internal layer guiding tube is pulled out.

Further, the guidance tube head of innermost layer is equipped with guiding illumination device 4, and the guiding illumination device is in innermost layer Guiding tube lateral wall be equipped with one for control guiding illumination device opening and closing switch 41；

Guiding illumination device be can the lighting sources such as LED light, incandescent lamp, can be convenient staff narrow and light not Under the construction environment of foot, it is quickly found out the position of the cable of guiding tube front end, facilitates the friendship of the staff of cable ends It connects, improves job scheduling and safety；

Before the use, the guiding tube for first pulling out innermost layer, after being locked, by lower switch, makes at illumination guide Cable is worn wherein again after opening state, after adjusting guiding tube to required length, be locked guiding tube and cable respectively.

The purpose of this utility model is to provide a kind of secondary cable laying guiding device, secondary cable laying guiding Secondary cable can be nested with wherein and fix by device, lock after can adjusting on demand required length, facilitate secondary cable Guidance and laying, be additionally provided with illumination guide, facilitate the staff of cable ends to join, improve job scheduling, drop The low labor intensity of operating personnel, reduces security risk.

Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage, It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical Within novel protection scope.

Claims (4)

1. a kind of secondary cable lays guiding device, it is characterised in that: be arranged sliding and internal run-through between each other including multiple Guiding tube, outermost guidance pipe end be equipped with cable fixture, be mutually arranged sliding two adjacent guiding tubes it Between be connected and fixed by threaded expander self-locking device, the threaded expander self-locking device includes that outer layer guiding tube front end is equipped with The male threaded joint being spirally connected with thread bush that thread bush and internal layer the guidance pipe end of internal screw thread are equipped with, the internal layer draw Conduit is equipped with the expansion loop of outwardly convex, the internal layer between the expansion loop and male threaded joint below male threaded joint A slidable expansion sleeve is also arranged on the lateral wall of guiding tube, the expansion sleeve tail portion is equipped with multiple be sticked outside expansion loop Side can bend the elastic fastening piece being extruded on outer layer guidance inside pipe wall outward, and the expansion loop outer peripheral diameter is greater than expansion Cover inner periphery diameter.

2. secondary cable according to claim 1 lays guiding device, it is characterised in that: the cable fixture includes The cable cuff connecting with outermost guiding tube tail portion outer wall thread, is equipped in cable cuff tail portion and the rotation of cable cuff connects The connecting rod fixed ring connect, equidistantly around being hinged with multiple draw centered on guiding tube axis on the outermost guidance inside pipe wall Conduit connecting rod is hinged with multiple cable cuff connecting rods corresponding with guiding tube connecting rod, the guidance in the connecting rod fixed ring Pipe connecting rod and cable cuff connecting rod are articulated and connected by cable briquetting, and the cable briquetting is close to one end of guiding tube central axis It is equipped with buffering on face and increases resistance material, is additionally provided on the outermost guidance inside pipe wall with inwardly protruded for preventing cable Briquetting and guidance inside pipe wall directly fit the bulge loop of contact.

3. secondary cable according to claim 2 lays guiding device, it is characterised in that: be mutually arranged two phases of sliding The supporting pad of protrusion is additionally provided on outer layer guidance inside pipe wall in adjacent guiding tube, internal layer guiding tube is arranged in the supporting pad Below expansion sleeve.

4. secondary cable according to claim 1 lays guiding device, it is characterised in that: the guidance tube head of innermost layer fills There is guiding illumination device, the guiding illumination device is equipped with one for controlling guiding illumination on the guiding tube lateral wall of innermost layer The switch that device opens and closes.