CN202210652U

CN202210652U - Tool for cross-over wire releasing

Info

Publication number: CN202210652U
Application number: CN 201120293097
Authority: CN
Inventors: 汪心善
Original assignee: Nanjing Power Supply Co of Jiangsu Electric Power Co
Current assignee: State Grid Corp of China SGCC; State Grid Jiangsu Electric Power Co Ltd; Nanjing Power Supply Co of Jiangsu Electric Power Co
Priority date: 2011-08-12
Filing date: 2011-08-12
Publication date: 2012-05-02
Anticipated expiration: 2021-08-12

Abstract

The utility model discloses a tool for cross-over wire releasing, which comprises a supporting rod, a wire-releasing pulley, an auxiliary cable and a wire clamping device, wherein, the central shaft of the wire-releasing pulley is installed at the upper part of the supporting rod; the auxiliary cable is wound over a pulley groove from the upper part of the wire-releasing pulley; one end of the wire clamping device is fixed on the supporting rod and forms a wire clamping slot together with the supporting rod; and the wire clamping direction of the wire clamping slot is perpendicular to the rotation plane of the wire-releasing pulley. When the tool is used for cross-over wire releasing, cables crossed with the cable to be released can be clamped firstly by the wire clamping device, then the cross-over wire releasing can be completed through the traction of the auxiliary cable and the driving of the pulley. The tool provided by the utility model is particularly suitable for low-voltage circuit cross-over wire-releasing projects in rural areas with special terrain and in other applications, not only can avoid the interference of other circuits to the cables to be released, but also can prevent the cables to be released from being damaged by other wire-clamping devices. Therefore, the tool provided by the utility model is simple and convenient to operate, accelerates the construction, saves labor, and improves the work efficiency.

Description

Scissors crossing unwrapping wire instrument

Technical field

The utility model relates to electric power stringing construction equipment field, particularly a kind of scissors crossing unwrapping wire instrument that is applicable to low-voltage circuit.

Background technology

Particularly during rural power grids engineering construction unwrapping wire, lead often will be crossed over light current circuits such as connection at current electric power networks.But usually can receive the rural area landform, or circuit intersects more numerous and diverse restriction, make that the fixing-line device of attached cable causes certain difficulty to unwrapping wire on the light current circuit.Once lead is stuck in the fixing-line device, the short time inside conductor is difficult to take out, and not only can cause the wire insulation damage, has also influenced construction schedule and project quality during unwrapping wire.Therefore need that development is a kind of can to overcome the bigger instrument of scissors crossing unwrapping wire difficulty,, reduce interruption duration, improve the reliability of power supply to shorten the unwrapping wire time.

Summary of the invention

The purpose of the utility model provides a kind of convenience is carried out the scissors crossing unwrapping wire in the low-voltage circuit construction instrument, and it can practice thrift manpower, and application process does not receive landform or other effects limit.

For realizing above-mentioned purpose, the technical scheme that the utility model is taked is: a kind of scissors crossing unwrapping wire instrument, and it comprises support bar, pulley block, assist with cable, fixing-line device; The central shaft of pulley block is installed on the top of support bar; Assist with cable is walked around race from the top of pulley block; Fixing-line device one end is fixed on the support bar, and forms cable clamping interface between the support bar; The card line direction of cable clamping interface is perpendicular to the rotational plane of pulley block.

When using, will be stuck in the cable clamping interface with treating other cable that unwinding direction intersects; One end of assist with cable connects lead to be put, and the other end is done traction end; Hold traction end lead to be put is guided to its relevant position and further fixing, promptly accomplished the scissors crossing unwrapping wire.

Advance as a kind of this, the utility model also comprises auxiliary pulley, and its central shaft is installed on the bottom of support bar; And the sheave surface of auxiliary pulley is parallel to the sheave surface of pulley block; One end of assist with cable is walked around the race of auxiliary pulley, and is removably fixed on the auxiliary pulley.Because auxiliary pulley is positioned at the bottom of support bar, an end of assist with cable is fixed on the personnel that are convenient to operation on the auxiliary pulley earlier subsequent process is operated.

As a kind of improvement, the wheel disc of the said auxiliary pulley outside is provided with handle, can make to the rotating operation of auxiliary pulley more laborsaving.

As a kind of improvement, said support bar comprises 1 above merogenesis, and each merogenesis is adjacent between the merogenesis to being slidingly connected.Can change the length of whole support bar when needed through the slide relative between the merogenesis, to adapt to the height of unwrapping wire.

Preferably, each merogenesis of said support bar is a hollow pipe, and each merogenesis is adjacent and is socket between the merogenesis, also can adopt the form of slide rail to realize being slidingly connected.

As a kind of improvement, when selecting the hollow pipe of socket for use, except that a merogenesis of support bar bottommost, the top tube wall of other each merogenesis is provided with 1 above hoodle, not the outstanding outer surface of tube wall of hoodle during pressurized; Except that a merogenesis at the top of support bar, the bottom tube wall of other each merogenesis is provided with the hole of bead that adapts with the hoodle diameter more than 1.In the end of each socket, can pass through to change the relative position of inside and outside merogenesis, and come further fixing through the cooperation in the hoodle and the hole of bead.

Beneficial effect

When carrying out the scissors crossing unwrapping wire through the utility model, can the cable that intersect with cable to be put be blocked with fixing-line device, traction and the pulley through assist with cable drives then, accomplishes the scissors crossing unwrapping wire.The utility model is for the special rural area unwrapping wire engineering of landform, and other occasion low-voltage circuit scissors crossing unwrapping wire engineering is especially suitable, has avoided other circuit to treat the interference of unwrapping wire cable, has avoided other fixing-line device to treat the insulation harm that the unwrapping wire cable causes.Simultaneously, the utility model is easy and simple to handle, and the progress that can accelerate to construct has been practiced thrift manpower, has also improved operating efficiency.

Description of drawings

Shown in Figure 1 is the utility model structural representation;

Shown in Figure 2 is the end view of Fig. 1.

Embodiment

For the content that makes the utility model is more obviously understandable, combine accompanying drawing and embodiment to further specify once.

In conjunction with Fig. 1 and Fig. 2, a kind of preferred embodiment of the utility model is: comprise support bar 6, pulley block 1, auxiliary pulley 2, assist with cable 3, fixing-line device 5; The central shaft of pulley block 1 and auxiliary pulley 2 is installed on the upper and lower of support bar 6 respectively; And the sheave surface of auxiliary pulley 2 is parallel to the sheave surface of pulley block 1; The wheel disc outside of auxiliary pulley 2 is provided with handle 11; Fixing-line device 5 one ends are fixed on the support bar 6, and form cable clamping interface 4 between the support bar 6; The card line direction of cable clamping interface 4 is perpendicular to the rotational plane of pulley block 1.

Support bar 6 adopts a plurality of hollow pipe merogenesis to be socketed to form; Present embodiment adopts from top to bottom, and each merogenesis hollow pipe diameter becomes big form successively; The length of each merogenesis and the quantity of merogenesis can be selected according to the practice of construction needs, as selecting 3 merogenesis in the present embodiment.In the end of each socket, the tube wall outside that is positioned at inner merogenesis is provided with hoodle 8, is positioned at outside merogenesis tube wall inboard and is provided with the hole of bead 7 that adapts with hoodle position, shape.The quantity in the hoodle 8 and the hole of bead 7 can be provided with as required, when needs compress support bar, can two adjacent merogenesis be pressed to the centre.Because hoodle 8 surfaces are arc; When pressurized, will in tube wall, move; Make inner merogenesis further in the outside merogenesis of indentation; When reduction length reaches requirement, make that the hoodle 8 on the inner merogenesis stretches out the relative position that gets final product relative fixed inside and outside merogenesis just from the hole of bead 7 of outside merogenesis.

Define assist with cable 3 here and comprise first end 31 and second end 32, second end 32 of assist with cable 3 is walked around the race of auxiliary pulley 2 from the bottom, and is removably fixed on the auxiliary pulley 2; First end 31 is walked around the race of pulley block 1 from top.When using, can be with first end 31 or second end 32 as traction end:

When first end 31 during, pull down second end 32 that is fixed on the auxiliary pulley 2, and second end 32 is connected with treating the unwrapping wire cable as traction end; The height of adjustable support bar 6 will be stuck in the cable clamping interface 4 with fixing-line device 5 with treating other cable that the unwrapping wire cable intersects then; Draw first end 31 of assist with cable 3 from the top of cable clamping interface 4; Until waiting to put a side-lining to the other side of lead from fixing-line device; Separate assist with cable then and treat the unwrapping wire cable, and the unwrapping wire cable of treating of accomplishing the scissors crossing unwrapping wire is fixed, promptly accomplished the scissors crossing unwrapping wire;

When second end 32 during as traction end, second end 32 still is fixed on the auxiliary pulley; The height of adjustable support bar 6 will be stuck in the cable clamping interface 4 with fixing-line device 5 with treating other cable that the unwrapping wire cable intersects then; First end 31 of traction assist with cable 3 from the top of cable clamping interface 4 until with first end 31 of assist with cable 3 side-lining to the other side from fixing-line device 5, will treat that then the unwrapping wire cable is connected with first end of assist with cable 3; Rotate auxiliary pulley 2 after connecting completion, auxiliary pulley 2 is twisted in assist with cable 3 in the wheel shaft, simultaneously, treat that the unwrapping wire cable also along with first end of assist with cable, is towed to the auxiliary pulley place; Can separate assist with cable and treat the unwrapping wire cable this moment, then the unwrapping wire cable of treating of accomplishing the scissors crossing unwrapping wire fixed, and promptly all process steps is accomplished.

The case of practical implementation described in the utility model is merely the preferable case study on implementation of the utility model, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as the technological category of the utility model.

Claims

1. scissors crossing unwrapping wire instrument is characterized in that, comprises support bar, pulley block, assist with cable, fixing-line device; The central shaft of pulley block is installed on the top of support bar; Assist with cable is walked around race from the top of pulley block; Fixing-line device one end is fixed on the support bar, and forms cable clamping interface between the support bar; The card line direction of cable clamping interface is perpendicular to the rotational plane of pulley block.

2. scissors crossing unwrapping wire instrument according to claim 1 is characterized in that also comprise auxiliary pulley, its central shaft is installed on the bottom of support bar; And the sheave surface of auxiliary pulley is parallel to the sheave surface of pulley block; One end of assist with cable is walked around the race of auxiliary pulley, and is removably fixed on the auxiliary pulley.

3. scissors crossing unwrapping wire instrument according to claim 2 is characterized in that, the wheel disc outside of said auxiliary pulley is provided with handle.

4. scissors crossing unwrapping wire instrument according to claim 1 is characterized in that said support bar comprises 1 above merogenesis, and each merogenesis is adjacent between the merogenesis to being slidingly connected.

5. scissors crossing unwrapping wire instrument according to claim 4 is characterized in that each merogenesis of said support bar is a hollow pipe, and each merogenesis is adjacent and is socket between the merogenesis.

6. scissors crossing unwrapping wire instrument according to claim 5 is characterized in that, said the top tube wall of other each merogenesis is provided with 1 above hoodle except that a merogenesis of support bar bottommost, not the outstanding outer surface of tube wall of hoodle during pressurized; Except that a merogenesis at the top of support bar, the bottom tube wall of other each merogenesis is provided with the hole of bead that adapts with the hoodle diameter more than 1.