CN215231717U

CN215231717U - Safety rope fixing device

Info

Publication number: CN215231717U
Application number: CN202120058724.7U
Authority: CN
Inventors: 吴天峨; 蔡继和; 黄军; 范俊福; 张书玮
Original assignee: Dongfang Boiler Group Co Ltd
Current assignee: Dongfang Boiler Group Co Ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-12-21
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a structure is more simple and convenient, is particularly suitable for the safety rope fixing device who uses on the interim structure. This safety rope fixing device includes the slider with the slide rail sliding connection who has hollow cross section, and the slider is used for being connected with the safety rope, is provided with the open slot on the slide rail, the slider is including the ball that is located hollow cross section's inside, and the diameter of ball is less than hollow cross section's internal diameter, and the diameter of ball is greater than the width of open slot, and the ball passes through connecting rod and a retaining ring fixed connection, the connecting rod is stretched out by the open slot, the hollow cross section of slide rail is ring shape cross section, and the centre of a circle angle that the opening width of open slot corresponds is no longer than 90 degrees. The securing ring is located outside the hollow cross-section and is used to connect with a safety line. The utility model has the advantages that: the spherical sliding block is used as a hanging point of the safety rope, and the sliding rail with the preferably circular ring-shaped cross section is matched, so that the safety rope can slide around the hollow sliding rail without hindrance in the operation process, and the safety rope is convenient to manufacture and use.

Description

Safety rope fixing device

Technical Field

The utility model relates to a device for tying and hanging safety rope to make it be convenient for remove.

Background

At present, when a large-sized cylinder workpiece is welded with a connecting pipe, a welding machine is often used for automatically welding a circumferential weld, the position of a welding machine operator is about 2-8 m away from the ground, and a scaffold and a springboard are built for convenient operation. Because the welding machine welds around the rotary round of connecting pipe one circle, the operator also need follow the welding machine and move the position in succession and clear up the coating, observe operations such as welding seam shaping on the springboard, and in the operation process, the safety belt can't conveniently be fixed, often adopts the mode of constantly alternating the safety rope fixed point to fix the safety rope, and the unable whole journey of operation process ensures safety, has the safety risk. There is therefore a need for a device which facilitates fixing to a temporarily erected scaffold or the like to facilitate fixing of a safety line.

The Chinese patent application with publication number CN111249644A, published on 9.6.2020 of the present application, discloses a device for conveniently moving a safety rope, which comprises a slide fastener, a slide rail body, a safety rope connecting plate and a plurality of slide rail connecting plates; the sliding buckle is sleeved on the sliding rail body, the sliding buckle is in sliding connection with the sliding rail body, the sliding direction of the sliding buckle is the length direction of the sliding rail body, a plurality of sliding rail connecting plates are fixed on the surface of the sliding rail body, which deviates from the sliding buckle, a safety rope connecting plate is fixed on the outer side of the sliding buckle, and a hanging hole for hanging a safety rope is formed in the safety rope connecting plate. The safety rope can be connected with the sliding rail all the time by using the device so as to provide safety guarantee, the safety is improved, and workers using the safety rope can conveniently and quickly reach a working surface by extending the fixed sliding rail of the safety rope. The sliding block structure of the device has large sliding friction force and is inconvenient to move quickly.

The utility model discloses a chinese utility model patent 'a tying and hanging device for loading platform safety belt's publication number is CN211434831U, which is published in 9/8/2020, discloses a tying and hanging device for loading platform safety belt, and it includes slide mechanism and safety rope, and slide mechanism includes slider and slide, and the slider includes connecting rod and pulley, and the pulley is rotationally coaxial arrangement on the connecting rod, and the pulley rolls to be set up on the slide, is provided with the gap on the slide, and the gap is passed to the one end of safety rope and is connected with the connecting rod. The components of the device slider are relatively complex and suitable for applications in fixed construction, such as for temporary construction, and further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a safety rope fixing device is provided that the structure is more simple and convenient, especially is suitable for use on the interim structure.

The utility model provides a technical scheme that its technical problem adopted is: safety rope fixing device, including with the slide rail sliding connection's that has hollow cross section slider, the slider is used for being connected with the safety rope, is provided with the open slot on the slide rail, the slider is including the ball that is located hollow cross section's inside, and the diameter of ball is less than hollow cross section's internal diameter, and the diameter of ball is greater than the width of open slot. The slider with the shape has small friction negative force with the slide rail, and is convenient to manufacture and simple in structure.

The hollow cross section of the slide rail is a circular ring-shaped section, the central angle corresponding to the opening width of the open slot is not more than 90 degrees, the slide rail with the circular ring-shaped section can be directly formed by machining the pull slot by using a steel pipe machine, the material is easy to obtain, the manufacture is convenient, and the slide rail is fixed on the basis of scaffolds and the like by using a discontinuous welding mode.

Generally, the axis of the sliding rail is arranged on a horizontal plane, and at this time, the position of the open slot is preferably below the horizontal plane but not directly below the hollow cross section, so that the sliding of the safety rope is facilitated, and meanwhile, the stress of the sliding rail in the gravity direction can be reduced, and the safety is improved.

According to the requirement of application occasions, the axis of the sliding rail can be set to be circular, so that the sliding rail is very suitable for being applied to high-altitude connecting pipe welding.

At the moment, two hollow steel pipes can be bent into semicircular arcs and then are butt-welded to form a slide rail, and the slide block is placed into the slide rail before butt-welding.

In this case, for the convenience of movement, the position of the open groove should be set inside the circumference of the axis of the slide rail.

In addition, the axis of the slide rail can be arranged to be a straight line or a smooth curve.

In this case, it is preferable to provide sealing heads for sealing the ends of the open grooves at both ends of the slide rail, so as to prevent the slide block from accidentally sliding out of the slide rail, thereby improving safety.

The end socket can be an end plate for closing the end face of the sliding rail, the manufacture is convenient, and the end socket can only close the end part of the open slot.

For the installation of being connected of convenient safety rope and slider, the ball passes through connecting rod and a fixed ring fixed connection, the connecting rod is stretched out by the open slot, and fixed ring is located hollow cross section's outside and is used for being connected with the safety rope, and the connecting rod can have the swing of small range in the open slot, more is difficult to take place the slider card and makes things convenient for the quick travel in the condition of slide rail.

The utility model has the advantages that: the spherical sliding block is used as a hanging point of the safety rope, and the sliding rail with the preferably circular ring-shaped cross section is matched, so that the safety rope can slide around the hollow sliding rail without hindrance in the operation process, and the safety rope is convenient to manufacture and use.

Drawings

Fig. 1 is a schematic structural view of the safety rope fixing device of the present invention.

Fig. 2 is a schematic view of a seal head arranged on the slide rail in fig. 1.

Labeled as: the device comprises a sliding rail 1, a sliding block 2, an open slot 3, a seal head 4, a connecting rod 5 and a fixing ring 6.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, the utility model discloses a safety rope fixing device include with 1 sliding connection's of slide rail that has hollow cross section slider 2, slider 2 is used for being connected with the safety rope, is provided with open slot 3 on the slide rail 1, and slider 2 is including the ball that is located hollow cross section's inside, and the diameter of ball is less than hollow cross section's internal diameter, and the diameter of ball is greater than the width of open slot 3. The size of the ball is reasonably determined according to the stress calculation and the size of the sliding rail 1, the ball is not easy to fall off, meanwhile, the safety rope is conveniently assembled in the sliding rail 1, the safety rope is connected to the spherical sliding block 2 through the open slot, and the sliding block 2 has small friction relative to the sliding rail 1, so that the safety rope can conveniently and rapidly move along the sliding rail 1.

Example (b):

as shown in fig. 1, a structure suitable for providing a safety rope hanging point for workers in an automatic welding operation of high-altitude connecting pipes is manufactured.

Firstly, two circular steel tubes are bent to form a semicircle, an open slot 3 is added, the position of the open slot 3 is in the direction from 6 o 'clock to 9 o' clock of the semicircular inner side of the cross section of the circular steel tube, a round ball with the diameter larger than the width of the open slot 3 and a ring serving as a fixing ring 6 are welded by a connecting rod 5, the diameter of the connecting rod 5 is smaller than the width of the open slot 3, the round ball serving as a sliding block 2 is placed into one of the circular steel tubes, the two semicircular steel tubes are butt-welded into an annular steel ring serving as a sliding rail 1, and the open slot 3 is mutually butted and is positioned at the annular inner side. The steel ring is fixed around the connecting pipe to be welded, the fixing ring 6 is used as a hanging point of the safety rope, and the safety rope and the fixing ring are connected, so that the whole-course protection of an operator in the high-altitude operation around the connecting pipe is realized, and the normal production operation is not influenced.

Claims

1. Safety rope fixing device, include with slide rail (1) sliding connection's that has hollow cross section slider (2), slider (2) are used for being connected with the safety rope, are provided with open slot (3), characterized by on slide rail (1): the sliding block (2) comprises a round ball positioned in the hollow cross section, the diameter of the round ball is smaller than the inner diameter of the hollow cross section, and the diameter of the round ball is larger than the width of the open slot (3).

2. The safety line securement device of claim 1, wherein: the hollow cross section of the slide rail (1) is a circular ring-shaped section, and the central angle corresponding to the opening width of the open slot (3) is not more than 90 degrees.

3. The safety line securement device of claim 1, wherein: the axis of the sliding rail (1) is arranged on a horizontal plane, and the position of the open slot (3) is below the horizontal plane but not under the hollow cross section.

4. The safety line securement device of claim 1, wherein: the axis of the sliding rail (1) is a circle.

5. The safety line securement device of claim 4, wherein: the slide rail (1) is formed by bending two hollow steel pipes into a semicircular arc and then butt-welding the two hollow steel pipes.

6. The safety line securement device of claim 4, wherein: the position of the open slot (3) is positioned at the inner side of the circumference of the axis of the slide rail (1).

7. The safety line securement device of claim 1, wherein: the axis of the sliding rail (1) is a smooth curve with two end points.

8. The safety line securement device of claim 7, wherein: and end enclosures (4) used for sealing the ends of the open grooves (3) are arranged at the two ends of the slide rail (1).

9. The safety line securement device of claim 8, wherein: the end socket (4) is an end plate for sealing the end face of the sliding rail (1).

10. The safety line attachment device of any one of claims 1 to 9, wherein: the ball passes through connecting rod (5) and a solid fixed ring (6) fixed connection, connecting rod (5) are stretched out by open slot (3), gu fixed ring (6) are located hollow cross section's outside and are used for being connected with the safety rope.