CN203582376U - Slidably mounting and lifting structure - Google Patents

Abstract

The utility model discloses a sliding lifting structure, which comprises a pulley (1), a frame body (2), a roller (6) and a cable fixing device, wherein the frame body (2) is in the shape of a rectangular frame, and the pulley (1) is fixedly connected At the lower end of the frame body (2), a circular through hole is provided on both sides of the frame body (2), and the axes of the two circular through holes are collinear. The roller (6) includes the middle roller body and two ends The connecting ends are respectively located in a circular through hole, and the connecting end and the through hole form a clearance fit. There is also a gap on either side of the frame body (2), and the gap is located between the roller (6) and the pulley. Between (1), the cable fixing device is fixedly connected to the frame body (2), and the cable fixing device is located between the roller (6) and the notch. The utility model has little damage to the cables, is beneficial to improving the maintenance efficiency of high-altitude cables, and reduces the labor intensity of electric maintenance personnel during the maintenance of high-altitude cables.

Description

Sliding lifting structure

technical field

The utility model relates to the field of maintenance auxiliary equipment for high-altitude power transmission lines, in particular to a sliding lifting structure.

Background technique

Overhead cable is a cable setting method that fixes the cable on the pole or iron tower for the transmission of electric energy. This form of cable laying method is limited by space and safety, and is widely used in power transmission in my country. .

In the prior art, the vertical height of high-voltage wires of 10KV and below from the ground is generally not less than 7 meters, while the erection height of ultra-high voltage overhead cables is required to be higher. When the power maintenance personnel overhaul the overhead line, the tools and utensils carried by the maintenance personnel are very inconvenient when they climb electric poles or cable racks.

Utility model content

Aiming at the above-mentioned problem that the tools and utensils carried by the maintenance personnel are very inconvenient when they climb the electric pole or the cable rack when they perform maintenance on the overhead line, the utility model provides a sliding lifting structure.

In view of the above problems, the utility model solves the problem through the following technical solutions: the sliding lifting structure includes a pulley, a frame body, a roller and a cable fixing device, the frame body is in the shape of a rectangular frame, and the pulley is fixedly connected to the lower end of the frame body , a circular through hole is respectively provided on both sides of the frame body, and the axes of the two circular through holes are collinear. inside, and the connecting end and the through hole form a clearance fit, and there is a gap on either side of the frame body, and the gap is located between the roller and the pulley, the cable fixing device is fixedly connected to the frame body, and the cable is fixed The device is located between the roller and the notch.

When the utility model is in use, it is carried by the power maintenance personnel to the overhead cable maintenance place, and the cable enters the rectangular frame of the frame body through the gap on the side of the frame body, and the roller is the contact part of the utility model and the cable. The setting that the roller can roll relative to its connection point with the frame body can prevent the cable from being damaged by friction when the utility model moves on the cable; the cable fixing device provided is used to realize that the utility model is hung on the cable It is fixed relative to the cable after being put on; the set pulley is used to pass the sling, and the ground assistant personnel can fix the tools or accessories required by the electric maintenance personnel at one end of the sling, and lift the tool or accessory to the ground by pulling the sling. Electrical maintenance personnel.

A further technical solution is:

The cable fixing device includes a first fixing block, a fixing bolt and a second fixing block, one end of the first fixing block and the second fixing block are respectively fixedly connected to one side of the frame body, and the first fixing block and the second fixing block A groove is formed between the two fixing blocks, the fixing bolt is threadedly connected with the first fixing block, and the axis direction of the fixing bolt is parallel to the width direction of the groove, and the end of the threaded section of the fixing bolt is located in the groove.

The structure of the above cable fixing device is simple, the groove between the first fixed block and the second fixed block is close to the roller, and the cable is located in the groove when the utility model is in use, and the threaded section of the bolt is fixed by screwing the fixing bolt relative to the groove The end and the second fixing block apply a clamping force to the cable to realize the fixing of the utility model and the cable. Further, a rubber layer can be set at the end of the threaded section of the fixing bolt. This setting can prevent the fixing bolt from being connected to the cable. The cable is damaged during the contact process, and the friction force between the fixing bolt and the cable can be increased at the same time.

Both the first fixed block and the second fixed block are angle steels, the ends on either side of the first fixed block and the second fixed block are fixedly connected with the frame body, and the corners of the first fixed block and the second fixed block are both Ribs are provided.

The first fixed block and the second fixed block are set in the form of angle steel, which is beneficial to the material of the first fixed block and the second fixed block, and is convenient for processing and manufacturing; and the reinforcing ribs arranged at the corners of the first fixed block and the second fixed block , when the first fixing block and the second fixing block are stressed, it is beneficial to reduce the deformation of the first fixing block and the second fixing block, and it is beneficial to realize the clamping of the cable.

A circular hole is arranged at the lower end of the frame body, and the connecting end of the pulley is in clearance fit with the circular hole.

The above connection form of the pulley and the frame body enables the pulley to rotate relative to its connection point with the frame body during the hoisting process, which is beneficial to the stress on the cable.

In order to reduce the possibility of contact between the frame body and the cable when the utility model is in use, and to facilitate the carrying of the utility model by electric maintenance personnel, the axial direction of the roller is parallel to the two ends of the frame body, and the distance between the roller and the upper end of the frame body In the range of 8mm to 13mm.

In order to facilitate the storage of the utility model when idle, it also includes hanging lugs for hanging the utility model, and the hanging lugs are fixedly connected to the upper end of the frame body.

In order to make the contact point between the cable and the utility model as close as possible to the middle of the roller and to evenly wear the connection points at both ends of the roller, the roller body of the roller is in the shape of a variable-diameter shaft with a linear change in diameter, and is from the two ends of the roller body to the The middle diameter of the roller body gradually becomes smaller.

In order to prevent the utility model from detaching from the cable when in use, it also includes an anti-tripping button arranged at the notch on the frame body. The anti-tripping button includes a rotating rod and a tension spring. The frame body is hingedly connected, and the two ends of the tension spring are respectively fixedly connected with the frame body and the rotating rod. One end is in contact with the frame on the other side of the notch, and the anti-tripping structure of the above structure is simple, convenient to use and easy to process and manufacture.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is simple in structure, easy to process and manufacture and convenient to connect with cables, and it is carried by electric maintenance personnel to the overhead cable maintenance place, and the set cables are fixed The device is used to realize the fixing of the utility model relative to the cable after it is hung on the cable. The set pulley is used to pass the sling, and the ground assistant personnel can fix the tools required by the electric maintenance personnel at one end of the sling. or accessories, the tools or accessories are hoisted to the power maintenance personnel by pulling the sling. The utility model has little damage to the cables, which is beneficial to reduce the load of the power maintenance personnel when climbing the poles or cable racks, and prevents related personnel from repeatedly Climbing poles or cable racks to transport tools or accessories is conducive to improving the efficiency of high-altitude cable maintenance and reducing the labor intensity of electric maintenance personnel during high-altitude cable maintenance.

Description of drawings

Fig. 1 is a structural schematic diagram of a specific embodiment of the sliding lifting structure of the present invention.

The names corresponding to the reference signs in the drawings are: 1. pulley, 2. frame body, 3. first fixed block, 4. fixed bolt, 5. hanging lug, 6. roller, 7. second fixed block, 8 , Anti-tripping.

Detailed ways

Below in conjunction with embodiment the utility model is described in further detail:

Example 1

As shown in Figure 1, the sliding lifting structure includes a pulley 1, a frame body 2, a roller 6 and a cable fixing device. The frame body 2 is in the shape of a rectangular frame. The pulley 1 is fixedly connected to the lower end of the frame body 2. A circular through hole is provided on both sides, and the axes of the two circular through holes are collinear. The roller 6 includes a roller body in the middle and connection ends at both ends, and the connection ends are respectively located in a circular through hole, and The connecting end and the through hole form a clearance fit, and a gap is provided on any side of the frame body 2, and the gap is located between the roller 6 and the pulley 1, and the cable fixing device is fixedly connected to the frame body 2, and the cable The fixing device is located between the roller 6 and the notch.

When the utility model is in use, it is carried by the power maintenance personnel to the overhead cable maintenance place, and the cable enters the rectangular frame of the frame body 2 from the gap on the side of the frame body 2, and the roller 6 is the connection between the utility model and the cable. The setting of the contact part, the roller 6 that can roll relative to its connection point with the frame body 2 makes the utility model prevent the cable from being damaged by friction when the utility model moves on the cable; the cable fixing device provided is used to realize the utility model in the After being hung on the cable, it is fixed relative to the cable; the set pulley 1 is used to pass the sling, and the ground assistant personnel can fix the tools or accessories required by the electric maintenance personnel at one end of the sling, and pull the sling Lift tool or accessory to electrical service personnel.

Example 2

This embodiment makes the following further limitations on the basis of Embodiment 1: as shown in Figure 1, the cable fixing device includes a first fixing block 3, a fixing bolt 4 and a second fixing block 7, the first fixing block 3 and one end of the second fixing block 7 are fixedly connected to one side of the frame body 2 respectively, and a groove is formed between the first fixing block 3 and the second fixing block 7, and the fixing bolt 4 is threadedly connected with the first fixing block 3 , and the axial direction of the fixing bolt 4 is parallel to the width direction of the groove, and the end of the threaded section of the fixing bolt 4 is located in the groove.

The first fixed block 3 and the second fixed block 7 are angle steels, and any one side end of the first fixed block 3 and the second fixed block 7 is fixedly connected with the frame body 1, and the first fixed block 3 and the second fixed block The corners of the fixed block 7 are all provided with reinforcing ribs.

The structure of the above cable fixing device is simple, the groove between the first fixed block 3 and the second fixed block 7 is close to the roller 6, and the cable is located in the groove when the utility model is in use, by screwing in the fixing bolt 4 relative to the groove, The end of the threaded section of the fixing bolt 4 and the second fixing block 7 apply a clamping force to the cable to realize the fixing of the utility model and the cable. Further, a rubber layer can be set at the end of the threaded section of the fixing bolt 4, This setting can prevent the cable from being damaged when the fixing bolt 4 is in contact with the cable, and at the same time can increase the frictional force between the fixing bolt 4 and the cable.

The first fixed block 3 and the second fixed block 7 are arranged in the form of angle steel, which is conducive to the first fixed block 3 and the second fixed block 7 to obtain materials, and is convenient for processing and manufacturing; and the first fixed block 3 and the second fixed block 7. The reinforcing ribs at the corners help to reduce the deformation of the first fixing block 3 and the second fixing block 7 when the first fixing block 3 and the second fixing block 7 are stressed, and are beneficial to realize the clamping of cables.

Example 3

In this embodiment, the following further limitations are made on the basis of Embodiment 1: as shown in FIG. 1 , a round hole is provided at the lower end of the frame body 2 , and the connection end of the pulley 1 is in clearance fit with the round hole.

The above connection form of the pulley 1 and the frame body 2 enables the pulley 1 to rotate relative to the connection point between the pulley 1 and the frame body 2 during the hoisting process, which is beneficial to the stress on the cable.

In order to reduce the possibility that the frame body 2 is in contact with the cable when the utility model is in use, and to facilitate the power maintenance personnel to carry the utility model, the axial direction of the roller 6 is parallel to the two ends of the frame body 2, and the roller 6 is parallel to the frame body 2. The distance between the upper ends of the body 2 is in the range of 8 mm to 13 mm.

In order to facilitate the storage of the utility model when idle, it also includes hanging ears 5 for hanging the utility model, and the hanging ears 5 are fixedly connected to the upper end of the frame body 2 .

In order to make the contact point between the cable and the utility model as close as possible to the middle part of the roller 6, and to evenly wear the connection points at both ends of the roller 6, the roller body of the roller 6 is in the shape of a variable diameter shaft with a linear change in diameter, and is formed by the diameter of the roller body. The diameter from both ends to the middle of the main body of the roller gradually decreases.

Example 4

This embodiment makes the following further limitations on the basis of any one of the above embodiments: as shown in Figure 1, in order to prevent the utility model from detaching from the cable during use, it also includes Tripping 8, the anti-tripping 8 includes a rotating rod and a tension spring, one end of the rotating rod is hingedly connected with the frame body on one side of the gap, and the two ends of the tension spring are fixedly connected with the frame body and the rotating rod respectively, cut and pulled The connection point between the extension spring and the frame body and the hinge point between the rotating rod and the frame body are located on the same side of the gap, and the other end of the rotating rod is in contact with the frame body on the other side of the gap. It is convenient to use and easy to process and manufacture.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be determined that the specific embodiments of the utility model are only limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, other implementation modes obtained without departing from the technical solution of the utility model shall be included in the protection scope of the utility model. the

Claims (8)

1. The sliding lifting structure is characterized in that it includes a pulley (1), a frame body (2), a roller (6) and a cable fixing device, the frame body (2) is in the shape of a rectangular frame, and the pulley (1) is fixed Connected to the lower end of the frame body (2), a circular through hole is provided on both sides of the frame body (2), and the axes of the two circular through holes are collinear. The roller (6) includes the middle roller body and two The connection ends of the ends, the connection ends are respectively located in a circular through hole, and the connection ends are in clearance fit with the through hole. There is also a gap on either side of the frame body (2), and the gap is located on the roller (6 ) and the pulley (1), the cable fixing device is fixedly connected to the frame body (2), and the cable fixing device is located between the roller (6) and the notch. 2. The sliding lifting structure according to claim 1, characterized in that, the cable fixing device comprises a first fixing block (3), fixing bolts (4) and a second fixing block (7), and the first One end of a fixed block (3) and one end of a second fixed block (7) are respectively fixedly connected to one side of the frame body (2), and a groove is formed between the first fixed block (3) and the second fixed block (7) , the fixing bolt (4) is threadedly connected with the first fixing block (3), and the axial direction of the fixing bolt (4) is parallel to the width direction of the groove, and the end of the threaded section of the fixing bolt (4) is located in the groove. 3. The sliding lifting structure according to claim 2, characterized in that, the first fixed block (3) and the second fixed block (7) are both angle steel, and the first fixed block (3) and the second fixed block Ends on either side of the block (7) are fixedly connected to the frame body (1), and reinforcing ribs are provided at corners of the first fixed block (3) and the second fixed block (7). 4. The sliding lifting structure according to claim 1, characterized in that a round hole is provided at the lower end of the frame body (2), and the connecting end of the pulley (1) is in clearance fit with the round hole. 5. The sliding lifting structure according to claim 1, characterized in that, the axial direction of the roller (6) is parallel to the two ends of the frame body (2), and the roller (6) and the upper end of the frame body (2) The distance is in the range of 8mm to 13mm. 6. The sliding lifting structure according to claim 1, characterized in that it further comprises hanging lugs (5), and the hanging lugs (5) are fixedly connected to the upper end of the frame body (2). 7. The sliding lifting structure according to any one of claims 1 to 6, characterized in that: the roller main body of the roller (6) is in the shape of a variable-diameter shaft whose diameter changes linearly, and extends from both ends of the roller main body to The middle diameter of the roller body gradually becomes smaller. 8. The sliding lifting structure according to any one of claims 1 to 6, characterized in that it also includes an anti-tripping (8) arranged at the gap on the frame body (2), the anti-tripping (8) ) includes a rotating rod and a tension spring, one end of the rotating rod is hingedly connected with the frame body (2) on one side of the notch, and the two ends of the tension spring are respectively fixedly connected with the frame body (2) and the rotating rod, and the tension spring is connected with the The connecting point of the frame body (2) and the hinge point of the rotating rod and the frame body are located on the same side of the gap, and the other end of the rotating rod is in contact with the frame body on the other side of the gap.