CN203707651U

CN203707651U - Line laying pulley for multi-specification cables

Info

Publication number: CN203707651U
Application number: CN201420105266.8U
Authority: CN
Inventors: 宋艳; 王立娜; 黄剑
Original assignee: State Grid Corp of China SGCC; Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date: 2014-03-10
Filing date: 2014-03-10
Publication date: 2014-07-09
Anticipated expiration: 2024-03-10

Abstract

The utility model discloses a line laying pulley for multi-specification cables. The line laying pulley comprises an upper semicircular jaw and a lower semicircular jaw. The upper semicircular jaw and the lower semicircular jaw are hinged to each other at an end surface and are connected by use of a bolt; the end surface of the lower semicircular jaw is provided with two pulley supports; a pulley is arranged between the two pulley supports; the side, which is merged to the lower semicircular jaw, on the end surface of the upper semicircular jaw is provided with a nut; an adjusting screw is screwed in the nut; and a baffle plate is arranged blow a position which is opposite to the adjusting screw on the end surface of the lower semicircular jaw. The line laying pulley for the multi-specification cables can be suitable for cables with multiple specifications, and the cables do not easily slide out or get disengaged during an application process.

Description

A kind of pulley block for many specifications cable

Technical field

The utility model relates to cable pulley block, relates in particular to a kind of pulley block of mouth of pipe formula.

Background technology

Nowadays in a lot of electric wire layouts, can use cable, and cable itself is heavier, especially in some corner or uneven place, ground to drag cable and relatively require great effort, and most critical a bit, the corner that some are sharp-pointed or uneven ground drag the protective layer that can destroy cable outside in process at cable, even can destroy the wire harness of cable inside, so much all can apply to some pulley blocks in the time arranging cable, and relatively more applicable cable is exactly the pulley block of mouth of pipe formula, this class pulley generally include one can payout the mouth of pipe, some may only have a semicircle mouth of pipe, cable can be positioned in the mouth of pipe, mouth of pipe outlet is provided with pulley, can frame when cable drags on pulley, and then utilize the rotation of pulley to drag cable, so both laborsaving, and can not damage the protective layer of cable outside, but also there is some problems in this pulley in practice, the specification that is exactly cable is on the market a lot, the diameter of its cable is also all different, just there is requirement in the mouth of pipe size of the pulley block of line up formula like this, the mouth of pipe is too large, cable easily rocks in the time dragging, after working long hours, the life-span of this pulley block is greatly affected greatly, if the mouth of pipe is too little, the cable that some diameters are larger cannot be put into, certainly also have the mouth of pipe is set as to semicircle, it not whole circle, so just can place the cable of different-diameter, but this class pulley block is in the time of work, because be half mouth of pipe, so cable is easy to skid off disengaging from another side, so sometimes have to pulley block of several specifications of multi-band of workmen in wiring, more loaded down with trivial details.

Utility model content

The utility model technical issues that need to address are, a kind of pulley block for many specifications cable is provided, cable that can suitable for various size, and also in use procedure, cable is not easy to skid off, depart from.

The technical solution of the utility model is: a kind of pulley block for many specifications cable, comprise upper semi-circle jaw and lower half circle jaw, upper and lower semicircle jaw is hinged in end, and connect with bolt, lower half circle jaw end face is provided with two pulley brackets, in the middle of two pulley brackets, be provided with pulley, on the end face of described upper semi-circle jaw, be provided with nut with a side of lower half circle jaw merging, in nut, be screwed with adjustment screw, on the end face of described lower half circle jaw adjustment screw corresponding below be provided with baffle plate.

Preferably, described pulley is articulated with on pulley bracket by roller bearing, and pulley bracket is provided with waist-shaped hole, and roller bearing is movable in waist-shaped hole.

Preferably, the other end end of described lower half circle jaw is provided with the steel bead groove of arc, is provided with steel ball in steel bead groove.

Preferably, described pulley bracket is provided with U-shaped bending part, is bonded with anti-metal electronic tag in bending part.

Adopt after the technical program, upper and lower semicircle jaw is similar to hinge structure, can open or close, while opening, cable can be put into, and needn't must find the end of cable to pass again as conventional mouth of pipe pulley, more loaded down with trivial details, now also can operate at the mid portion of cable, more time saving and energy saving, when cable is put into, can utilize bolt that hinged end is locked, thereby locking upper semi-circle jaw prevent that cable from skidding off or departing from, and regulate adjustment screw on upper semi-circle jaw can regulate the diameter of the whole mouth of pipe, be suitable for the cable of too much specification.

Brief description of the drawings

Accompanying drawing 1 is the schematic diagram at cable outlet of the present utility model place;

Accompanying drawing 2 is the schematic diagram at cable access of the present utility model place;

Schematic diagram when accompanying drawing 3 is opened for the upper and lower semicircle jaw of the utility model.

Embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:

As shown in Figure 1 to Figure 3, the utility model mainly comprises upper semi-circle jaw 1 and lower half circle jaw 2, on, lower half circle jaw is that a complete metallic conduit is cut open and two independent semicircle pipelines forming at heart place therein in fact, on described, lower half circle jaw is hinged in end, can open or close, when unlatching, cable can be put into lower half circle jaw, after placement, upper semi-circle jaw can be closed, and both articulated manner can make the mode being joined with bolts, its structure as shown in FIG., upper, through hole is set respectively on the end face of lower half circle jaw, then interspersed bolt in through hole, the another side of the bolt nut of screwing on, bolted advantage is, when nut is during in releasing orientation, upper semi-circle jaw 1 can be freely movable, after cable is placed, can be by nut screwing clamping, by cable locking upper, in lower half circle jaw, prevent that cable from departing from, lower half circle jaw is provided with two pulley brackets 21 in a side end face of cable outlet, two pulley brackets are vertical with end face, in the middle of two pulley brackets, be provided with pulley 3, pulley 3 axle center are interspersed with a roller bearing, this roller bearing is articulated with on two pulley brackets 21, because the diameter of cable is having a variety of specifications on the market, more laborsaving in order to allow cable rotate on pulley 3, distance between the axle center of pulley 3 and cable axle center will change along with the variation of cable size conventionally, for this reason, waist-shaped hole 212 can be set on pulley bracket, roller bearing can be active in waist-shaped hole 212, can be at the interior lateral surface of waist-shaped hole two nuts of screwing on respectively when fixing, roller bearing has just been fixed on pulley bracket like this, pulley can rotate centered by roller bearing, the position of adjustable pulley 3 only need loose nut, in waist-shaped hole, select a suitable position to be tightened, simultaneously because the diameter specifications of cable has multiple, so the diameter of line up pulley block also has corresponding requirement, and on, the diameter of lower half circle jaw has been finalized in the time making, so changing the diameter of the whole mouth of pipe can only regulate, the gap of lower half circle jaw in the time merging, when concrete enforcement, can on the end face of described upper semi-circle jaw, with a side of lower half circle jaw merging, nut be set, in nut, be screwed with adjustment screw 11, adjustment screw 11 tops arrange a handles 111 and are convenient to rotate adjusting, then on the end face of lower half circle jaw, below these adjustment screw 11 correspondences, baffle plate 22 is set, so suitable rotation adjustment screw 11, adjustment screw 11 heads can prop up baffle plate 22, indirectly the gap adjustment merging between upper semi-circle jaw 1 and lower half circle jaw 2 is become to large, so just can adjust, mouth of pipe size between lower half circle jaw, can adapt to the cable of different size, adjustment screw 11 also has an advantage to be with the design of baffle plate 22, for the cable of same size, as long as adjust for the first time the distance between adjustment screw 11 and baffle plate 22, and remain unchanged, when putting into same size for the second time, just do not need to have regulated again, so just save the time regulating, and lower half circle jaw is provided with the steel bead groove 23 of half-turn arc on the end face of cable inlet end, in steel bead groove, be provided with steel ball 231, such design advantage is: while entering the mouth of pipe while allowing cable, roll and make it more smooth by steel ball, if do not establish steel bead groove and steel ball, this pulley block is after long-term use, the end face at its cable inlet place can be worn and become sharper, once become sharp, cable is in the time entering mouth of pipe place and dragged by external force, its sharp end face can damage the protective layer of cable outside, has just lost whole pulley block and be used for protecting this function of cable.

And some electric power enterprises or unit, what this class cable construction instrument was managed conventionally is stricter, in order to facilitate the management of this class instrument, need on this class instrument, enclose some anti-metal electronic tags 4, anti-metal electronic tag claims again radio-frequency (RF) tag, transponder, data medium, realizes space (contactless) coupling of radiofrequency signal between anti-metal electronic tag and reader by coupling element, in coupling channel, according to sequential relationship, realize transmission and the exchanges data of energy, reader is read-out device, such as scanner, read head, communicator, read write line etc., like this when this pulley block is bonded with after anti-metal electronic tag 4, unit personnel is in the time making an inventory or detect, only need hold scanner reads within the specific limits, just can carry out record to this pulley block, in the time of daily management, can become so very effective, accurately, consider that pulley block belongs to the article of frequent use simultaneously, if its anti-metal electronic tag is directly from the teeth outwards bonding, easily damage or come off and affect read functions, so a U-shaped bending part 211 is set on the medial surface of the pulley bracket 21 of pulley block, with regard to U-shaped groove of self-assembling formation, anti-metal electronic tag 4 can be bonded in groove, even if pulley block uses and how frequently can not touch the anti-metal electronic tag in groove like this, reach an effect of protection anti-metal electronic tag 4.

Below only with regard to the utility model preferably example be described, but can not be interpreted as it is limitations on claims.The utility model not only limits to and above example, its concrete structure allows to change, those skilled in the art can make various changes and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all should belong to the defined scope of the utility model claims.

Claims

1. the pulley block for many specifications cable, it is characterized in that: comprise upper semi-circle jaw (1) and lower half circle jaw (2), upper and lower semicircle jaw is hinged in end, and connect with bolt, lower half circle jaw end face is provided with two pulley brackets (21), in the middle of two pulley brackets (21), be provided with pulley (3), on the end face of described upper semi-circle jaw, be provided with nut with a side of lower half circle jaw merging, in nut, be screwed with adjustment screw (11), on the end face of described lower half circle jaw adjustment screw corresponding below be provided with baffle plate (22).

2. the pulley block for many specifications cable according to claim 1, is characterized in that: described pulley is articulated with on pulley bracket by roller bearing, pulley bracket is provided with waist-shaped hole (212), and roller bearing is movable in waist-shaped hole.

3. the pulley block for many specifications cable according to claim 2, is characterized in that: the other end end of described lower half circle jaw is provided with the steel bead groove (23) of arc, is provided with steel ball in steel bead groove.

4. the pulley block for many specifications cable according to claim 3, is characterized in that: described pulley bracket (21) is provided with U-shaped bending part (211), is bonded with anti-metal electronic tag (4) in bending part.