CN205095292U - High -altitude work protective device - Google Patents

Abstract

The utility model discloses a protective device for high-altitude operations, which comprises a safety belt body; the safety belt body includes a belt and belt buckles arranged at both ends of the belt, and an alarm mechanism and a tool bag are arranged on the belt; the central position of the belt is connected by a fixed hook and The belt is connected with the suspension mechanism; the alarm mechanism includes a shell, and the inside of the shell is fixed with a metal shrapnel A and a metal shrapnel B, the bottoms of the metal shrapnel A and the metal shrapnel B are parallel to each other, and the upper part of the metal shrapnel A protrudes toward the direction of the metal shrapnel B, and Pass through the gap of the metal dome B, the top contact of the metal dome A is connected to the top contact of the metal dome B, the width of the raised part of the metal dome A is not greater than the width of the notch of the metal dome B; the suspension mechanism includes S type Hook and locking mechanism. The utility model has the advantages of simple structure, convenient operation, convenient installation, safe use, convenient carrying, flexible and reliable suspension, and can effectively guarantee the personal safety of operators.

Description

A protective device for working at heights

technical field

The utility model relates to the technical field of electric power equipment, in particular to a protective device for working at heights.

Background technique

At present, during the erection, operation and maintenance of power transmission lines, workers are often required to climb to work at high altitudes. In order to prevent workers from accidentally falling, they are usually connected to the tower with ropes. This kind of rope is called a safety belt. , it is the "life support" for high-altitude operators. The existing safety belt has a simple structure and can only ensure the positioning of the operator, lacks the necessary alarm equipment, and cannot prevent various disasters in advance; at the same time, the tool bag on the existing safety belt lacks the necessary anti-off protection, resulting in easy maintenance of tools. Falling will affect the maintenance efficiency.

In order to solve the above existing problems, people have been seeking an ideal technical solution.

Contents of the invention

The purpose of the utility model is to provide a protective device for working at heights with simple structure, easy operation, convenient installation, safe use and convenient portability.

In order to achieve the above object, the utility model provides the following technical solutions:

A protective device for working at heights, comprising a safety belt body; the safety belt body includes a belt and belt buckles arranged at both ends of the belt, and an alarm mechanism and a tool bag are arranged on the belt; the middle position of the belt is fixed by a hook and The connecting belt is connected with the suspension mechanism; the alarm mechanism includes a housing, and a metal shrapnel A and a metal shrapnel B are fixed inside the housing, the bottoms of the metal shrapnel A and the metal shrapnel B are parallel to each other, and the upper part of the metal shrapnel A It protrudes toward the metal dome B and passes through the gap of the metal dome B. The top contact of the metal dome A is connected to the top contact of the metal dome B. The width of the raised part of the metal dome A is not Greater than the gap width of the metal shrapnel B; the suspension mechanism includes an S-shaped hook and a locking mechanism; the S-shaped hook includes an upper free end, an upper hook, a support rod, a lower hook and a lower free end, one end of the upper hook and One end of the lower hook is connected by a support rod to form an S shape, the upper free end is positioned at the other end of the upper hook, and the lower free end is positioned at the other end of the lower hook; the locking mechanism includes a locking rod, a guide rod, a coil spring and Supporting plate; the locking rod extends horizontally from the upper free end of the S-shaped hook to the corresponding position on the upper part of the supporting rod, and the total length of the locking rod is greater than the horizontal distance from the upper free end to the supporting rod; the supporting plate is located on the locking rod directly below, and vertically fixed on the middle and lower part of the support rod; the coil spring is located between the locking rod and the supporting plate, and the guide rod slides upwards through the supporting plate and the coil spring, and is fixedly connected with the locking rod; the The end of the guide rod is provided with a limit head.

A further solution: the tool bag is provided with an anti-falling hook.

A further solution: the width of the top contact of the metal dome A is not smaller than the width of the notch of the metal dome B.

A further solution: the housing is also provided with a slot matching the metal dome A and the metal dome B, and the metal dome A and the metal dome B are fixed in the housing through the slot.

A further solution: the guide rod is a guide screw, and the guide screw is threadedly connected to the lower part of the locking rod through a nut.

A further solution: a guide rod sleeve is fixed on the supporting plate, the guide rod passes through the guide rod sleeve, and the lower end of the coil spring is supported on the guide rod sleeve.

A further solution: a locking screw is also provided at the lower free end.

A further solution: the cross-section of the S-shaped hook is circular with at least two convex ribs evenly distributed, and correspondingly, the cross-section of the locking rod is also circular with at least two convex ribs evenly distributed.

Compared with the prior art, the beneficial effects of the utility model are:

Simple structure, easy operation, easy installation, safe use, easy to carry, flexible and reliable suspension, the device can be hung on the fixed frame at a high place by using a ground rod on the ground, no need to hang from a height, and can effectively guarantee the safety of the operator It is safe and will not cause damage to the equipment.

The utility model is connected with the suspension mechanism through a long connecting belt, and utilizes the lengthening effect of the connecting belt to increase the working radius, thereby realizing the purpose of the operator's safety belt being hung high and low. The operating range of the operator, a workplace only needs to be suspended once, without frequent replacement of the suspension position, which greatly saves the operation time and improves the work efficiency; the suspension mechanism is under the action of the locking mechanism and the locking screw. The connection between the upper end and the fixed frame and the lower end and the connecting belt and safety belt are all safe and reliable, which can effectively prevent accidental fall accidents caused by loose locking; even in severe windy occasions, the connection can be reliable and safe; the present invention has strong adaptability , not only limited to the use of power system maintenance, but also applicable to high-altitude operations in other occasions.

The utility model is provided with an anti-off hook on the tool bag to prevent the tool from falling off and affecting the work efficiency; the safety belt is also provided with an alarm mechanism, which can not only ensure the safety of the operators, but also not affect the emergency repair work of the operators; it has a scientific design and is practical. It has the advantages of strong performance, simple operation, good safety and reliable protection.

The utility model also adopts a mechanical metal shrapnel opening and closing method to close and disconnect the power supply of the alarm device, replacing the original method of using an electronic switch or a micro switch to control the alarm device, reducing the use of parts and costs; not only The reliability and stability of the device are improved, and the service life of the switch is extended. The service life of the micro switch is more than 50,000 times, and the service life of this mechanical type can reach more than 200,000 times.

Description of drawings

Fig. 1 is a structural schematic diagram of a protective device for working at heights;

Fig. 2 is a structural schematic diagram of an alarm mechanism of a protective device for working at heights;

Fig. 3 is a schematic structural diagram of a suspension mechanism of a protective device for working at heights;

In the figure: 1-belt, 2-belt buckle, 3-alarm mechanism, 4-tool bag, 5-fixed hook, 6-suspension mechanism, 7-housing, 8-metal shrapnel A, 9-metal shrapnel B, 10 -S-type hook, 11-locking mechanism, 12-upper free end, 13-upper hook, 14-support rod, 15-lower hook, 16-lower free end, 17-locking rod, 18-guide rod, 19-helix Spring, 20-supporting plate, 21-guide rod sleeve, 22-locking screw, 23-connecting band.

detailed description

The technical solution will be clearly and completely described below in conjunction with the accompanying drawings.

A protective device for working at heights, comprising a safety belt body; the safety belt body includes a belt 1 and belt buckles 2 arranged at both ends of the belt 1, an alarm mechanism 3 and a tool bag 4 are arranged on the belt 1, and an anti-falling off mechanism is arranged on the tool bag 4 Hook, can avoid the falling of tool by this anti-falling hook; The central position of belt 1 is connected with suspension mechanism 6 by fixed hook 5 and connection belt 23; The length of this connection belt is long enough, has expanded the operating radius of staff, avoids In order to change the suspension position frequently, the operation time is greatly saved and the work efficiency is improved.

Alarm mechanism 3 comprises shell 7, and shell 7 interior is fixed with metal shrapnel A8 and metal shrapnel B9, and the bottom of metal shrapnel A8 and metal shrapnel B9 is parallel to each other, and metal shrapnel A8 top protrudes toward metal shrapnel B9 direction, and from metal shrapnel The gap of B9 passes through, the top contact of the metal dome A8 is connected to the top contact of the metal dome B9, and the width of the raised part of the metal dome A8 is not greater than the width of the gap of the metal dome B9. The width of the top contact of the metal dome A8 is not smaller than the width of the notch of the metal dome B9. The casing 7 is provided with a slot matching the metal dome A8 and the metal dome B9, and the metal dome A8 and the metal dome B9 are fixed in the casing 7 through the slot.

Suspension mechanism 6 comprises S type hook 10 and locking mechanism 11; One end is connected by a support rod 14 to form an S shape, the upper free end 12 is positioned at the other end of the upper hook 13, and the lower free end 16 is positioned at the other end of the lower hook 15; the locking mechanism 11 includes a locking rod 17, a guide rod 18, a coil spring 19 and Supporting plate 20; locking bar 17 extends horizontally from the upper free end 12 of S-shaped hook 10 to the corresponding position on the top of support bar 14, and the total length of locking bar 17 is greater than the horizontal distance from upper free end 12 to support bar 14; The plate 20 is located directly below the locking rod 17, and is vertically fixed on the middle and lower part of the supporting rod 14; the coil spring 19 is located between the locking rod 17 and the supporting plate 20, and the guide rod 18 slides upwards through the supporting plate 20 and the coil spring 19, And it is fixedly connected with the locking rod 17; the end of the guide rod 18 is provided with a limit head. The guide rod 18 is a lead screw rod, and the lead screw rod is threadedly connected with the bottom of the locking rod 17 through a nut. A guide rod sleeve 21 is fixed on the supporting plate 20 , the guide rod 18 passes through the guide rod sleeve 21 , and the lower end of the coil spring 19 is supported on the guide rod sleeve 21 . A locking screw 22 is also provided at the lower free end 16 , and the lower part of the suspension mechanism 6 is locked by the locking screw 22 . The cross-section of the S-shaped hook 10 is circular with at least two convex ribs evenly distributed, and correspondingly, the cross-section of the locking rod 17 is also circular with at least two convex ribs evenly distributed.

The utility model is simple in structure, easy to operate, convenient to install, safe to use, easy to carry, flexible and reliable to hang, and the device can be hung on a fixed frame at a high place by using a grounding rod on the ground, without the need for climbing and hanging, and can effectively guarantee operation The personal safety of personnel will not cause damage to equipment.

The utility model is connected with the suspension mechanism 6 through the long connecting belt 23, and the lengthening effect of the connecting belt 23 is used to increase the working radius, thereby realizing the purpose of the operator's safety belt being hung high and low, while ensuring the safety of the operation, It also expands the working scope of the operators, and only needs to hang once in a work place, without frequent replacement of hanging positions, which greatly saves working time and improves work efficiency; Under the action of the action, the connection between the upper end and the fixed frame and the lower end and the connecting belt 23 and the safety belt are safe and reliable, which can effectively prevent accidental fall accidents caused by loose locking; even in severe windy occasions, the connection can be reliable Safe; the present invention has strong adaptability, and is not only limited to use in power system maintenance, but also applicable to high-altitude operations in other occasions.

The utility model is provided with an anti-off hook on the tool bag 4 to prevent the tools from falling off and affect the work efficiency; the safety belt is also provided with an alarm mechanism 3, which can not only ensure the safety of the operators, but also not affect the emergency repair work of the operators; it has a scientific design , Strong practicability, simple operation, good safety and reliable protection.

The utility model also adopts a mechanical metal shrapnel opening and closing method to close and disconnect the power supply of the alarm device, replacing the original method of using an electronic switch or a micro switch to control the alarm device, reducing the use of parts and costs; not only The reliability and stability of the device are improved, and the service life of the switch is extended. The service life of the micro switch is more than 50,000 times, and the service life of this mechanical type can reach more than 200,000 times.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, but that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the claimed elements are intended to be embraced in the invention.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1. A protective device for working at heights, comprising a safety belt body, characterized in that the safety belt body comprises a belt (1) and belt buckles (2) arranged at both ends of the belt (1), on the belt (1) An alarm mechanism (3) and a tool bag (4) are provided; the central position of the belt (1) is connected to the suspension mechanism (6) through a fixed hook (5) and a connecting belt (23); the alarm mechanism (3) Including a shell (7), the shell (7) is fixed with a metal dome A (8) and a metal dome B (9), and the bottoms of the metal dome A (8) and the metal dome B (9) are parallel to each other , the upper part of the metal dome A (8) protrudes toward the direction of the metal dome B (9), and passes through the gap of the metal dome B (9), the top contact of the metal dome A (8) and the metal dome The top contacts of B (9) are connected, and the width of the raised part of the metal dome A (8) is not greater than the width of the notch of the metal dome B (9); the suspension mechanism (6) includes an S-shaped hook (10) And locking mechanism (11); Described S type hook (10) comprises upper free end (12), upper hook (13), support bar (14), lower hook (15) and lower free end (16), described One end of the upper hook (13) and one end of the lower hook (15) are connected by a support rod (14) to form an S-type, and the upper free end (12) is positioned at the other end of the upper hook (13), and the lower free end ( 16) be positioned at the other end of lower hook (15); Described locking mechanism (11) comprises locking bar (17), guide bar (18), helical spring (19) and pallet (20); Described locking bar (17) ) extends horizontally from the upper free end (12) of the S-shaped hook (10) to the corresponding position on the upper part of the support rod (14), and the total length of the locking rod (17) is greater than that from the upper free end (12) to the support rod (14 ) horizontal distance; the supporting plate (20) is located directly below the locking bar (17), and is vertically fixed on the middle and lower part of the support bar (14); the coil spring (19) is located between the locking bar (17) and the supporting Between the plates (20), the guide rod (18) slides upwards through the supporting plate (20) and the coil spring (19), and is fixedly connected with the locking rod (17); the end of the guide rod (18) With limit head. 2. The protective device for working at heights according to claim 1, characterized in that, the tool bag (4) is provided with an anti-falling hook. 3. The protective device for working at heights according to claim 1, characterized in that the width of the top contact of the metal shrapnel A (8) is not smaller than the width of the gap of the metal shrapnel B (9). 4. The protective device for working at heights according to claim 1, characterized in that, the housing (7) is also provided with a card slot matching the metal shrapnel A (8) and the metal shrapnel B (9), so that The above-mentioned metal shrapnel A (8) and metal shrapnel B (9) are fixed in the housing (7) through the slot. 5. The protective device for working at heights according to claim 1, characterized in that the guide rod (18) is a guide screw, and the guide screw is threadedly connected to the lower part of the locking rod (17) through a nut. 6. The protective device for working at heights according to claim 1, characterized in that a guide rod sleeve (21) is fixed on the supporting plate (20), and the guide rod (18) passes through the guide rod sleeve (21) , the lower end of the coil spring (19) is supported on the guide rod sleeve (21). 7. The protective device for working at heights according to claim 1, characterized in that a locking screw (22) is further provided at the lower free end (16). 8. The protective device for working at heights according to claim 1, characterized in that, the section of the S-shaped hook (10) is circular with at least two protruding ribs evenly distributed thereon, and correspondingly, the locking rod (17) The section is also circular with at least two ribs evenly distributed.