CN111013043A

CN111013043A - Novel safety belt hook

Info

Publication number: CN111013043A
Application number: CN201911344338.8A
Authority: CN
Inventors: 吴志祥; 刘立君; 赵康; 陈振雨; 吴晓光; 高冰; 张健; 郭超; 张来锁; 孙秋刚; 路铁宁; 张建飞; 刘赞良; 薛子成; 张卿; 徐保杰; 李涛; 宋海涛; 李阔; 孙铁超
Original assignee: State Grid Corp of China SGCC; State Grid Hebei Electric Power Co Ltd; Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Hebei Electric Power Co Ltd; Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-04-17

Abstract

The invention discloses a novel safety belt hook which comprises a safety hook used for being connected with a safety belt, wherein an alarm device capable of giving an alarm is arranged on the safety hook, and the problem that the existing safety belt hook is not easy to find after a safety device is opened accidentally is solved. When the safety device is disconnected, the safety device can give out sound and light alarm in time to remind an operator wearing the safety belt to check, so that the accident of falling caused by the separation of the safety belt hook from the attachment point is prevented. In addition, the safety rope is provided with the rotary disc, when the safety rope is driven by an operator to rotate, the hook part connected with the safety belt attachment point is fixed, the rotary disc rotatably connected with the hook part is arranged at the lower part of the hook part, and the rotary disc can rotate along with the safety rope, so that the influence on site operation caused by knotting of the safety rope is prevented.

Description

Novel safety belt hook

Technical Field

The invention relates to a safety belt component, in particular to a novel safety belt hook.

Background

At present, in the high-altitude operation in the industries of construction, electric power and the like, in order to ensure the safety of high-altitude operation personnel, the safety belt needs to be tied when the field operation personnel carry out the high-altitude operation. The safety belt mainly comprises a lacing belt worn on the body of a person, the lacing belt is connected with a safety rope, the other end of the safety rope is connected with a safety belt hook, the safety belt hook is hung on a safety belt hanging point of a site structural member, the safety belt hook is an important part for connecting an operator and the safety belt hanging point, and the reliability of the safety belt hook determines the reliability of the whole set of safety belt and the safety of the site operator. Because the safety belt hook is directly connected with the safety rope, when operating personnel operate, the safety rope is easy to be twisted to knot, and certain influence is generated on field operation.

In addition, in order to prevent the field operation personnel from falling from the high altitude, the safety belt hook needs to be checked at any time to check whether the safety belt hook is firm, if the safety device is opened due to the failure or accident of the safety belt hook in the operation, the safety device is not found by the operation personnel, the later result is very serious, and even the operation personnel can directly fall from the high altitude due to the loss of the protection of the safety belt. The safety device of the safety belt hook is not easy to be found when being opened accidentally, and operators are distracted by paying attention to the condition of the safety belt hook at any time in operation, so that the operation efficiency is influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a novel safety belt hook, which is used for solving the problem that the safety device of the conventional safety belt hook is not easy to find after being opened by accident, so that a user of a safety belt can be timely informed to process the safety belt after the safety device of the safety belt hook is opened by accident.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a novel safety belt hook comprises a safety hook body used for being connected with a safety belt, and an alarm device capable of giving an alarm is arranged on the safety hook body.

Further, the alarm device comprises a trigger switch arranged on the safety hook, a buzzer, a controller arranged in the safety hook and a reset button for releasing the alarm; the safety hook will give an alarm when disengaged.

Furthermore, the safety hook comprises a C-shaped hook body, a section of arc-shaped groove communicated with one end face of the C-shaped hook body is arranged on the side face of the C-shaped hook body along the circumferential direction of the hook body, a detachable end cover is arranged on the side face of the hook body outside the arc-shaped groove, and an arc-shaped protection hook capable of sliding along the arc-shaped groove and locking the safety hook is arranged in the arc-shaped groove; a cylindrical hook seat is arranged below the other end of the hook body, and the controller is fixed in a blind hole formed in the bottom of the hook seat; the bottom of the hook seat is provided with a detachable bottom cover, the buzzer is fixed on the bottom cover and is electrically connected with the controller, and the bottom cover is provided with a plurality of holes for the buzzer to alarm; the hook body is provided with a pit which is matched with the protective hook on the end surface close to the hook seat, the bottom of the pit is provided with a hole which is communicated with the blind hole, and the trigger switch is arranged in the through hole and is electrically connected with the controller; the side surface of the hook body is provided with another pit, a hole communicated with the blind hole is also formed in the pit, and the reset button is installed at the top of the hole and is electrically connected with the controller; and a pin shaft used for being connected with the safety belt is arranged below the hook seat.

Furthermore, the hook seat is provided with a through hole communicated with the blind hole at the lower side of the trigger switch, and a warning lamp is arranged in the through hole.

Furthermore, a spring which can push the protective hook to slide to lock the safety hook is arranged in the arc-shaped groove.

Furthermore, a rotatable turntable is arranged between the pin shaft and the hook seat, the pin shaft is arranged on lugs at two ends of the lower side of the hook seat, the end part of the pin shaft is provided with a hole, and a cotter pin is arranged in the hole.

Furthermore, a thrust bearing is arranged between the rotary disc and the hook seat.

Furthermore, the protection hook is provided with a wrench for pulling the protection hook on the excircle close to the spring, and the hook body is correspondingly provided with a groove for the wrench to pass through.

Furthermore, an unlocking button for locking and unlocking the protection hook is arranged on the end cover.

Further, the trigger switch is a magnetic trigger switch.

The invention has the positive effects that:

the invention provides a novel safety belt hook, which solves the problem that the existing safety belt hook is not easy to be found after a safety device is opened accidentally. When the safety device of the novel safety belt hook is disconnected, an audible and visual alarm can be timely sent out to remind an operator wearing the safety belt to check, and the accident caused by the separation of the safety belt hook from the attachment point is prevented. In addition, the safety rope is provided with the rotary disc, when the safety rope is driven by an operator to rotate, the hook part connected with the safety belt attachment point is fixed, the rotary disc rotatably connected with the hook part is arranged at the lower part of the hook part, and the rotary disc can rotate along with the safety rope, so that the influence on site operation caused by knotting of the safety rope is prevented.

Drawings

FIG. 1 is a schematic structural view of the upper part of the present invention;

FIG. 2 is a schematic view of the structure of the lower part of the present invention;

FIG. 3 is a schematic view of the invention with the end cap removed;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is a schematic diagram of an alarm device;

FIG. 6 is a schematic view of the present invention in connection with a U-shaped ring;

in the figure, 1, a hook body; 2. a spring; 3. protecting the hook; 4. a trigger switch; 5. a warning light; 6. a thrust bearing; 7. a controller; 8. a turntable; 9. a bottom cover; 10. a pin shaft; 11. a cotter pin; 12. a boss; 13. a hook base; 14. a wrench; 15. an unlock button; 16. an end cap; 17. a buzzer; 18. a reset button; 19. a U-shaped loop.

Detailed Description

The technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings. It should be apparent that the described embodiments are only some embodiments of the present application, and not all embodiments. The following description of the embodiments is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in the embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The present invention will be further explained and illustrated with reference to the following detailed description and the accompanying drawings, wherein the following embodiments are only preferred embodiments, not all embodiments, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1 to 5, the novel safety belt hook comprises a C-shaped hook body 1, wherein the cross section of the hook body 1 is rectangular, and an arc-shaped groove which is communicated with an end face and has a rectangular cross section is arranged at the upper part of the side face of the hook body 1 along the circumferential direction. And a protective hook 3 in sliding fit with the arc-shaped groove is arranged in the arc-shaped groove. The protective hook 3 is provided with a spanner 14 fixedly connected with the protective hook 3 on one side of the outer circle close to the end face of the arc-shaped groove, and a spring 2 is arranged between the end face of the arc-shaped groove and the protective hook 3. The side face of the hook body 1 at the arc-shaped groove is provided with an end cover 16 connected with the hook body 1 through a screw, and the outer side of the end cover 16 is flush with the corresponding side face of the hook body 1. An unlocking button 15 is arranged on the end face of the end cover 16, and a first concave pit for locking the protection hook 3 is arranged on the end face of the protection hook 1 corresponding to the unlocking button 15. When the wrench 14 is pulled to compress the spring 2, the protection hook 3 can be retracted into the hook body 1 and locked by the cooperation between the unlocking button 15 and the first concave pit, so that the safety hook is unlocked; when the unlocking button 15 is pressed to be separated from the first pit, the protection hook 3 can slide outwards along the arc-shaped groove under the action of the spring 2 and lock the safety hook. Therefore, the invention can realize quick locking and unlocking, thereby ensuring the safe connection and the quick separation of the safety belt hanging point.

The end surface of the lower side of the hook body 1 is provided with a rectangular second concave pit used for matching with the end part of the protective hook 3. The protective hook 3 and the second recess form a securing device according to the invention, which ensures a reliable attachment of the invention to the seat belt attachment point. When the protective hook 3 enters the second pit, the safety hook can be reliably locked, and the end part of the protective hook 3 is prevented from being separated from the hook body 1 due to transverse movement, so that the safety belt hook is separated from a safety belt attachment point.

The lower portion of the hook body 1 is provided with a cylindrical hook seat 13 fixedly connected with the hook body, the bottom of the hook seat 13 is provided with a blind hole, and an alarm device is arranged in the blind hole. The alarm device comprises a controller 7, a trigger switch 4, a buzzer 17, a warning lamp 5 and a reset button 18. The controller 7 is fixed in the middle of the blind hole. And a hole communicated with the blind hole is formed in the bottom of the second pit, and the trigger switch 4 is installed in the hole and is electrically connected with the controller 7. And a hole communicated with the blind hole is formed in the lower side of the second concave hole at the top of the hook seat 13, and the warning lamp 5 is installed in the hole and is electrically connected with the controller 7. The side surface of the lower part of the hook body 1 is provided with a third pit, the bottom of the third pit is provided with a hole communicated with the blind hole, and the reset button 18 is arranged at the top of the hole and is electrically connected with the controller 7. The bottom of the hook seat 13 is provided with a detachable bottom cover 9 connected with the hook seat through a screw, and the buzzer 17 is fixed on the upper part of the bottom cover 9 and is electrically connected with the controller 7. The bottom cover 9 is provided with a plurality of through holes, and the alarm sound sent by the buzzer 17 can be transmitted out through the through holes. The trigger switch 4 is a magnetic trigger switch, and the warning lamp 5 is a red light-emitting diode. When the protective hook 3 enters the second pit under the action of the spring 2, the end part of the protective hook is contacted with the bottom of the second pit, the trigger switch 4 is in a normal state, the controller 7 keeps a standby state, the buzzer 17 is silent at the moment, and the warning lamp 5 is in a normal light state; when the end part of the protective hook 3 is separated from the second pit, the trigger switch 4 is triggered, the trigger signal is transmitted to the controller 7, then the controller 7 controls the buzzer 17 to give out a sound alarm, and simultaneously controls the warning lamp 5 to flicker to give out a flashing alarm to remind an operator using the safety belt to pay attention. The alarm does not stop as the guard hook 3 re-enters the second recess until it is released by manual depression of the reset button 18. After the protection hook 3 is separated from the second pit for a short time and returns, the alarm is sent until the reset button 18 is manually pressed to release the protection hook, and the alarm can be prevented from stopping after the safety belt hook is suddenly separated from the attachment point during the time, so that the safety belt hook is easily ignored by operators. The third depression protects the reset button 18 from damage due to accidental impacts, while preventing the reset button 18 from being mishandled.

The bottom of the hook seat 13 is provided with a circular boss 12, the outside of the hook seat 13 is provided with a circular rotating disc 8 which can rotate, and a thrust bearing 6 is arranged between the boss 12 and the rotating disc 8. Two sides of the bottom of the rotary table 8 are respectively provided with a lug, the lugs are provided with a pin shaft 10, the tail end of the pin shaft 10 is provided with a through hole, and a cotter pin 11 for axially positioning the pin shaft 10 is arranged in the through hole. The pin 10 is connected to a safety rope in the form of a band for the operator. When the safety rope is driven by an operator to rotate, the rotary disc 8 can rotate along with the safety rope, and the rotary disc 8 and the hook seat 13 can rotate relatively, so that the hook seat 13 and the hook body 1 fixedly connected with the hook seat and hung on the safety belt hanging point cannot rotate, and the safety rope is prevented from knotting due to rotation and affecting the operation of the operator. Meanwhile, the safety rope can be conveniently and reliably connected with the safety rope through the pin shaft 10, and can be conveniently replaced.

As shown in fig. 6, since there are two types of safety ropes connected to a harness worn by a worker on the body, one is a flat belt-shaped safety rope, and the other is a safety rope having a circular cross-section, a U-shaped ring 19, which is connected to the circular safety rope, may be connected to the lower portion of the pin 10 when connected to the circular safety rope. Therefore, the invention can be used for connecting the belt-shaped safety rope and the round safety rope, so that two kinds of common safety ropes can be reliably connected with the invention.

The specific application method of the invention is as follows:

1. the pin 10 is connected with a belt-shaped safety rope or connected with a round safety rope by additionally arranging a U-shaped ring 19.

2. The spanner 14 is pulled to separate the protective hook 3 from the second pit and receive the protective hook into the hook seat 13, at the moment, the warning lamp 5 flickers, and the buzzer 17 gives an alarm. At this time, the reset button 18 is pressed to release the alarm.

3. The hook body 1 is hung on a safety belt hanging point of an operation site, the unlocking button 15 is pressed, the safety belt hook is locked by the protective hook 1 under the action of the spring 2, and the alarm device enters a standby state.

The above-mentioned embodiments are described in detail and concrete, and the preferred embodiments of the present invention are presented only for illustrating the technical ideas and features of the present invention, so as to enable those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the present invention; it should be noted that the scope of the present invention is not limited by the embodiments, and that equivalent changes or modifications made within the spirit of the present invention are within the scope of the present invention as those skilled in the art will understand that local modifications within the system and changes, etc. between subsystems are within the scope of the present invention.

Claims

1. The novel safety belt hook is characterized by comprising a safety hook connected with a safety belt, wherein the safety hook is provided with an alarm device capable of giving an alarm.

2. The novel safety belt hook as claimed in claim 1, characterized in that the alarm device comprises a trigger switch (4) arranged on the safety hook, a buzzer (17), a controller (7) arranged inside the safety hook and a reset button (18) for releasing the alarm; the safety hook will give an alarm when disengaged.

3. The novel safety belt hook as claimed in claim 2, characterized in that the safety hook comprises a C-shaped hook body (1), an arc-shaped groove communicated with one end surface is arranged on the side surface of the hook body (1) along the circumferential direction of the hook body, a detachable end cover (16) is arranged on the side surface of the hook body (1) outside the arc-shaped groove, and an arc-shaped protection hook (3) which can slide along the arc-shaped groove and can lock the safety hook is arranged in the arc-shaped groove; a cylindrical hook seat (13) is arranged below the other end of the hook body (1), and the controller (7) is fixed in a blind hole formed in the bottom of the hook seat (13); the bottom of the hook seat (13) is provided with a detachable bottom cover (9), the buzzer (17) is fixed on the bottom cover (9) and is electrically connected with the controller (7), and the bottom cover (9) is provided with a plurality of holes for the buzzer (17) to alarm; a concave pit used for being matched with the protective hook (3) is arranged on the end surface of the hook body (1) close to the hook seat (13), a hole is formed in the bottom of the concave pit and communicated with the blind hole, and the trigger switch (4) is installed in the through hole and is electrically connected with the controller (7); the side surface of the hook body (1) is provided with another pit, a hole communicated with the blind hole is also formed in the pit, and the reset button (18) is installed at the top of the hole and is electrically connected with the controller (7); and a pin shaft (10) used for being connected with a safety belt is arranged below the hook seat (13).

4. A new safety belt hook as claimed in claim 3, characterized in that the hook base (13) is provided with a through hole communicating with the blind hole at the lower side of the trigger switch (4), and a warning light (5) is provided in the through hole.

5. A new type of safety belt hook as claimed in claim 3, characterized in that the arc-shaped groove is provided with a spring (2) which can push the protective hook (3) to slide to lock the safety hook.

6. A novel safety belt hook as claimed in claim 3, characterized in that a rotatable turntable (8) is provided between the pin (10) and the hook seat (13), the pin (10) is mounted on lugs at both ends of the lower side of the hook seat (10), a hole is provided at the end of the pin (10), and a cotter pin (11) is provided in the hole.

7. A new safety belt hook as claimed in claim 6, characterized in that a thrust bearing (6) is provided between the turntable (8) and the hook base (13).

8. A new safety belt hook as claimed in claim 5, characterized in that the guard hook (3) is provided with a wrench (14) for wrenching the guard hook (3) on the outer circle near the spring (2), and the hook body (1) is correspondingly provided with a groove for passing the wrench (14).

9. A new safety belt hook as claimed in claim 3, characterized in that the end cap (16) is provided with an unlocking button (15) for locking and unlocking the safety hook (3).

10. A new safety belt hook as claimed in claim 3, characterized in that the trigger switch (4) is a magnetic trigger switch.