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

Abstract

A kind of cable release-resistant falls lifting device, it is related to a kind of lifting device, including fixing device, I-beam wheel, drawstring and pulling apparatus, I-beam wheel is provided with the bottom of fixing device, one end of drawstring is fixed on the wheel shaft of I-beam wheel, the other end connection pulling apparatus of drawstring, pulling apparatus includes fixed block, fixed plate, slider bar, spring, hold out against head and U-shaped ring, parallel interval is provided with fixed plate and two slider bars on the lateral surface of fixed plate, spring is provided between two slider bars, pulley is equipped with the upper bottom surface of two slider bars, the fixed plate corresponding with two slider bars is provided with upper and lower two chutes, the lateral surface of slider bar on the outside of being arranged on is provided with and holds out against head；The present invention effectively prevent fixes insecure, easy the drawbacks of coming off to cable during cable progress.

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. An anti-falling lifting device for cables, including a fixing device, an I-shaped wheel (4), a pull rope (7) and a lifting device, characterized in that: an I-shaped wheel (4) is arranged in the lower part of the fixing device, One end of the stay rope (7) is fixed on the axle of the I-shaped wheel (4), and the other end of the stay rope (7) is connected to a lifting device, which includes a fixed block (8), a fixed plate (10), Slide bar (13), spring (14), top tight head (15) and U-shaped ring (11), are provided with fixed block (8) and two slide bars ( 13), a spring (14) is provided between the two slide bars (13), pulleys are provided on the upper and lower bottom surfaces of the two slide bars (13), and the fixed plates corresponding to the two slide bars (13) (10) is provided with upper and lower two chute (12), is arranged on the outer surface of the sliding bar (13) of the outside and is provided with top tightening head (15), between fixed block (8) and adjacent sliding bar ( 13) There is a gap for placing the pull rope (7) between them, and a U-shaped ring (11) connected by rotation through the rotating shaft (17) is provided on the lower part of the fixing plate (10). 2. The anti-falling lifting device for cables according to claim 1, characterized in that: the clamping head (15) has a T-shaped structure, and screws (16) are arranged on the transverse plate of the clamping head (15) , the screw (16) is set in cooperation with the screw hole on the outer surface of the fixed plate (10). 3. The lifting device for preventing falling off of cables according to claim 1, characterized in that: the fixing device includes bolts (1), vertical support A (2), vertical support B (3) and horizontal plate (5). Vertical supports A (2) are respectively provided on both sides of the lower part of the horizontal plate (5), vertical supports B (3) are provided between the two vertical supports A (2), and vertical supports A (2) are arranged on one side. Bolts (1) are arranged at intervals on the outer surface, and I-shaped wheels (4) are arranged between the opposite surfaces of the vertical support A (2) and the vertical support B (3) on the other side. 4. The cable fall-off prevention lifting device according to claim 1, characterized in that: a motor (6) is provided outside one side of the I-shaped wheel (4), and the output shaft of the motor (6) passes through the vertical shaft on one side. After supporting A (2), it is fixedly connected with the axle of the spool (4). 5. The anti-falling lifting device for cables according to claim 1, characterized in that: said fixing block (8) is fixed on the fixing plate (10) by fixing bolts (9).