CN105470857B - A kind of cable release-resistant falls lifting device - Google Patents

Abstract

An anti-falling lifting device for cables, relating to a lifting device, including a fixing device, an I-shaped wheel, a pull rope and a lifting device, the lower part of the fixing device is provided with an I-shaped wheel, and one end of the pull rope is fixed on the I-shaped wheel On the wheel shaft, the other end of the pull rope is connected to the lifting device. The lifting device includes a fixed block, a fixed plate, a sliding bar, a spring, a top tightening head and a U-shaped ring, and a fixed plate is arranged in parallel on the outer surface of the fixed plate and two sliding bars, a spring is arranged between the two sliding bars, pulleys are arranged on the upper and lower bottom surfaces of the two sliding bars, and two upper and lower chutes are arranged on the fixed plate corresponding to the two sliding bars, The outer surface of the sliding bar arranged on the outer side is provided with a tightening head; the present invention effectively prevents the disadvantages that the cable is not fixed firmly and is prone to fall off during the cable installation process.

Description

An anti-drop lifting device for cables

【Technical field】

The invention relates to a lifting device, in particular to an anti-dropping lifting device for cables.

【Background technique】

It is well known that the existing power lines can no longer meet the demand for electricity, so the transformation of old power lines can be seen everywhere. When erecting cables on power towers, the lifting of cables is an essential link; in traditional construction methods , the staff often hang the cables around their waists, and then climb to the poles to lift the cables. This method is not only time-consuming and laborious, but also has potential safety hazards; for the sake of construction speed and staff safety, lifting equipment is now mostly used The cable is lifted, but the hook of this lifting device is too simple, the cable is not firmly fixed, and it is easy to fall off during the lifting project. At the same time, the cable head lacks protection, and the cable head is easily damaged during the lifting process.

【Content of invention】

In order to overcome the deficiencies in the background technology, the invention discloses a lifting device for preventing falling off of cables.

In order to realize the described invention object, the present invention adopts following technical scheme:

An anti-falling lifting device for cables, including a fixing device, an I-shaped wheel, a pull rope and a lifting device, an I-shaped wheel is arranged in the lower part of the fixing device, one end of the pull rope is fixed on the axle of the I-shaped wheel, and the pull rope The other end of the lifting device is connected to the lifting device, and the pulling device includes a fixed plate, a fixed plate, a sliding bar, a spring, a top tightening head and a U-shaped ring. A spring is provided between the two sliding bars, pulleys are provided on the upper and lower bottom surfaces of the two sliding bars, and two upper and lower chutes are arranged on the fixing plate corresponding to the two sliding bars, and the upper and lower chutes are arranged on the outer side The outer surface of the slide bar is provided with a top tightening head, a gap for placing a stay cord is provided between the fixed plate and the adjacent slide bar, and a U-shaped ring connected by a rotating shaft is arranged at the bottom of the fixed plate.

In the anti-falling lifting device for cables, the jacking head has a T-shaped structure, and screws are arranged on the transverse plate of the jacking head, and the screws are set in cooperation with the screw holes on the outer surface of the fixing plate.

In the anti-fall lifting device for cables, the fixing device includes bolts, a vertical support A, a vertical support B and a horizontal plate, vertical supports A are respectively provided on both sides of the lower part of the horizontal plate, and a vertical support A is provided between the two vertical supports A. There is a vertical support B, and bolts are arranged at intervals on the outer surface of the vertical support A on one side, and an I-shaped wheel is arranged between the opposite surfaces of the vertical support A and the vertical support B on the other side.

The anti-drop lifting device for cables is provided with a motor outside one side of the I-shaped wheel, and the output shaft of the motor passes through the vertical support A on one side and is fixedly connected with the axle of the I-shaped wheel.

In the above-mentioned anti-fall lifting device for cables, the fixed block is fixed on the fixed plate by fixing bolts.

Owing to adopting above-mentioned technical scheme, the present invention has following beneficial effect:

In the present invention, bolts are arranged at intervals on the outer surface of the vertical support A, the fixing device is fixed on the cross arm through the bolts, and the I-shaped wheel is arranged in the lower part of the fixing device, and one end of the stay rope is fixed on the side of the I-shaped wheel. On the wheel shaft, the other end of the pull rope is fixed on the lifting device, which effectively prevents the disadvantages that the cable is not fixed firmly and is easy to fall off during the cable installation process.

【Description of drawings】

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a side view of the lifting device;

In the figure: 1. Bolt; 2. Vertical support A; 3. Vertical support B; 4. I-shaped wheel; 5. Horizontal plate; 6. Motor; 1, fixed plate; 11, U-shaped ring; 12, chute; 13, sliding bar; 14, spring; 15, top tight head; 16, screw; 17, rotating shaft.

【Detailed ways】

The present invention can be explained in detail through the following examples, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

In conjunction with accompanying drawing 1 described cable fall-off prevention lifting device, comprise fixture, spool 4, stay cord 7 and lifting device, be provided with spool 4 in the bottom of fixture, one end of stay cord 7 is fixed on On the wheel shaft of the I-shaped wheel 4, the other end of the stay cord 7 is connected to a pulling device, and the pulling device includes a fixed plate 10, a fixed plate 8, a slide bar 13, a spring 14, a top tight head 15 and a U-shaped ring 11, On the outer surface of the fixed plate 10, a fixed plate 8 and two slide bars 13 are arranged at intervals in parallel, a spring 14 is arranged between the two slide bars 13, and pulleys are arranged on the upper and lower bottom surfaces of the two slide bars 13. The fixed plate 10 corresponding to the two slide bars 13 is provided with two slide grooves 12 up and down, and the outer surface of the slide bar 13 arranged on the outside is provided with a top tight head 15, between the fixed plate 8 and the adjacent slide bar Between 13, there is a gap for placing the stay cord 7, and the bottom of the fixed plate 10 is provided with a U-shaped ring 11 that is rotatably connected by a rotating shaft 17.

In the anti-falling lifting device for cables, the top tightening head 15 has a T-shaped structure, and a screw 16 is arranged on the transverse plate of the top tightening head 15, and the screw 16 is arranged in cooperation with the screw hole on the outer surface of the fixing plate 10. .

In the anti-fall lifting device for cables, the fixing device includes a bolt 1, a vertical support A2, a vertical support B3 and a horizontal plate 5, and vertical supports A2 are respectively arranged on both sides of the lower part of the horizontal plate 5, and vertical supports A2 are arranged on the two vertical supports A2 A vertical support B3 is provided between them, bolts 1 are arranged at intervals on the outer surface of the vertical support A2 on one side, and an I-shaped wheel 4 is arranged between the opposite surfaces of the vertical support A2 on the other side and the vertical support B3.

The anti-falling lifting device for cables is provided with a motor 6 outside one side of the I-shaped wheel 4, and the output shaft of the motor 6 passes through the vertical support A2 on one side and is fixedly connected with the axle of the I-shaped wheel 4.

In the lifting device for preventing falling off of cables, the fixing block 8 is fixed on the fixing plate 10 through fixing bolts 9 .

Implement the cable fall-off prevention lifting device described in the present invention. During use, the fixing device is fixed on the cross arm, one end of the stay rope 7 is fixed on the axle of the I-shaped wheel 4, and the other end is fixedly connected with the lifting device. The other end of the stay cord 7 is placed in the gap between the fixed block 8 and the adjacent sliding bar 13, and the sliding bar 13 is pushed by the tightening head 15 to drive the spring 14 to push the other sliding bar 13 toward the fixed plate 10. , so that the stay cord 7 is fixed between the fixed block 8 and the sliding bar 13, and the screw 16 is used to fix the top tightening head 15 on the outer surface of the fixed block 8, and a U-shaped ring 11 is set at the bottom of the fixed block 8; When pulling, start the motor 6 to rotate the axle of the I-shaped wheel 4, thereby driving the roll-up of the stay rope 7 to play a lifting effect; the present invention is simple in structure, easy to use, and effectively prevents the cable from being fixed in the process of the cable. Strong, easy to fall off, and protect the cable from damage.

The unspecified parts of the present invention are prior art.

Claims (5)

1. a kind of cable release-resistant falls lifting device, including fixing device, I-beam wheel（4）, drawstring（7）And pulling apparatus, its feature It is：I-beam wheel is provided with the bottom of fixing device（4）, drawstring（7）One end be fixed on I-beam wheel（4）Wheel shaft on, drawstring （7）Other end connection pulling apparatus, the pulling apparatus includes fixed block（8）, fixed plate（10）, slider bar（13）, spring （14）, hold out against head（15）With U-shaped ring（11）, in fixed plate（10）Lateral surface on parallel interval be provided with fixed block（8）With two Slider bar（13）, in two slider bars（13）Between be provided with spring（14）, in two slider bars（13）Upper bottom surface on be all provided with There is pulley, with two slider bars（13）Corresponding fixed plate（10）It is provided with upper and lower two chutes（12）, it is arranged on outside Slider bar（13）Lateral surface be provided with hold out against head（15）, in fixed block（8）With adjacent slider bar（13）Between be provided with place Drawstring（7）Gap, in fixed plate（10）Bottom be provided with pass through rotating shaft（17）The U-shaped ring of rotation connection（11）.

2. cable release-resistant according to claim 1 falls lifting device, it is characterized in that：It is described to hold out against head（15）For T font knots Structure, holding out against head（15）Transverse plate be provided with screw（16）, screw（16）With fixed plate（10）Screw hole phase on lateral surface It is equipped with.

3. cable release-resistant according to claim 1 falls lifting device, it is characterized in that：The fixing device includes bolt（1）、 Perpendicular support A（2）, perpendicular support B（3）And transverse slat（5）, in transverse slat（5）Bottom both sides be respectively equipped with perpendicular support A（2）, it is perpendicular at two Support A（2）Between be provided with perpendicular support B（3）, it is arranged on the perpendicular support A in side（2）Lateral surface on be interval with bolt（1）, another The perpendicular support A in side（2）With perpendicular support B（3）Opposite face between be provided with I-beam wheel（4）.

4. cable release-resistant according to claim 1 falls lifting device, it is characterized in that：In I-beam wheel（4）Side outside set There is motor（6）, motor（6）Output shaft pass through side perpendicular support A（2）Afterwards with I-beam wheel（4）Wheel shaft be fixedly connected.

5. cable release-resistant according to claim 1 falls lifting device, it is characterized in that：Described fixed block（8）Pass through fixation Bolt（9）It is fixed on fixed plate（10）On.