阅读说明：本技术 一种高空作业安全带 (Safety belt for high-altitude operation ) 是由 毛义鹏 陈在新 陈筱平 汪渊 严峻 蒲斌 杨艺 陈莉 于 2020-11-20 设计创作，主要内容包括：本发明提供了一种高空作业安全带,其包括承重索、以及围绕承重索设置的若干副索,还包括将所述承重索和所述副索的两端分别固定在一起的两集索器,其中所述副索的长度大于所述承重索的长度；所述副索内设置有气囊体,所述副索上还连接有用于向所述气囊体内充入气体的气体发生器,还包括用于触发所述气体发生器的触发组件。本发明在承重索外围设置若干包含多个独立气囊体的副索,当承重索因冲击过大时,副索中的气囊体膨胀,在承重索外围形成多个气球体,从而达到减小冲击力的作用、以防止安全带完全断裂；形成的多个气球体体积增大,在下坠过程中还能先于电工与周围的建筑物等发生撞击,达到避免电工与周围建筑物发生撞击导致受到伤害的目的。(The invention provides an aerial work safety belt which comprises a bearing rope, a plurality of auxiliary ropes arranged around the bearing rope and two rope collecting devices for respectively fixing two ends of the bearing rope and the two ends of the auxiliary ropes together, wherein the length of the auxiliary ropes is greater than that of the bearing rope; an air bag body is arranged in the auxiliary rope, a gas generator used for filling gas into the air bag body is further connected to the auxiliary rope, and a trigger assembly used for triggering the gas generator is further included. According to the invention, the plurality of auxiliary cables comprising a plurality of independent air bag bodies are arranged at the periphery of the bearing cable, when the bearing cable is impacted too much, the air bag bodies in the auxiliary cables expand to form a plurality of air ball bodies at the periphery of the bearing cable, so that the effect of reducing the impact force is achieved, and the safety belt is prevented from being completely broken; the formed plurality of air spheres have increased volume, and can be collided with surrounding buildings and the like before an electrician in the falling process, so that the aim of preventing the electrician from being hurt due to collision with the surrounding buildings is fulfilled.)

1. The aerial work safety belt is characterized by comprising a bearing rope, a plurality of auxiliary ropes arranged around the bearing rope, and two rope collecting devices for respectively fixing two ends of the bearing rope and the two ends of the auxiliary ropes together, wherein the length of the auxiliary ropes is greater than that of the bearing rope; an air bag body is arranged in the auxiliary rope, a gas generator used for filling gas into the air bag body is further connected to the auxiliary rope, and a trigger assembly used for triggering the gas generator is further included.

2. The aerial work safety belt of claim 1, wherein the secondary cable comprises a plurality of connecting sections connected with each other, and the airbag body is arranged in each connecting section; the two ends of the connecting sections are respectively and fixedly connected with a first connector and a second connector, and the first connector and the second connector between every two adjacent connecting sections are in threaded connection; the gas generator is sleeved outside the connecting section, and a communication channel in a closed state is arranged between the gas generator and the connecting section.

3. The aerial work safety belt of claim 2, wherein the first connector comprises a first connecting tube fixedly connected to one end of the connecting section, and a connecting rod is threadedly connected to an end of the first connecting tube remote from the connecting section;

the second connector comprises a second connecting cylinder fixedly connected with one end of the first connecting cylinder, and the connecting rod is far away from one end of the first connecting cylinder and is in threaded connection with the second connecting cylinder.

4. The aerial work safety belt as claimed in claim 3, wherein the connecting rod is provided with a first mounting groove in a concave manner, the trigger assembly comprises a clamping column slidably disposed in the first mounting groove, a second mounting groove in which the clamping column can be clamped is recessed in the inner wall of the first connecting cylinder, the trigger assembly further comprises a pressure sensor disposed in the second mounting groove, and a wire electrically connected between the pressure sensor and the gas generator is disposed; the first mounting groove and the second mounting groove are in the same plane and are arranged in a staggered mode, when the clamping column slides into the second mounting groove from the first mounting groove, the pressure sensor is triggered, and the pressure signal generated by the pressure sensor due to triggering is transmitted to the gas generator through the conducting wire, so that the gas generator is triggered to charge gas into the airbag body.

5. The aerial work safety belt as claimed in claim 4, wherein a spring is further disposed in the first mounting groove, one end of the spring is fixedly connected to the bottom of the first mounting groove, and the other end of the spring is fixedly connected to the clamping column.

6. The aerial work safety belt as claimed in any one of claims 3 to 5, wherein the cable collector is fixedly connected with the end portion of the bearing cable, a plurality of threaded holes are formed in the cable collector and are arranged around the bearing cable, both ends of the connecting section can be in threaded connection with the threaded holes, and the first connecting cylinder and the second connecting cylinder are respectively embedded in both end surfaces of the connecting section.

7. The aerial work safety belt of claim 2, further comprising a plurality of connecting cables connected at both ends to the load bearing cable and the secondary cable, respectively.

8. The aerial work safety belt of claim 7, wherein the connecting section comprises a woven mesh layer wrapped outside the airbag body, and the connecting cable is fixedly connected with the woven mesh layer.

9. An aerial work harness as claimed in claim 1 or 2 or 7 or 8 wherein the air bladder comprises a cylindrical outer layer and a plurality of support rods are provided therein.

Technical Field

The invention relates to the technical field of safety protection tools, in particular to a safety belt for aerial work.

Background

Electricians generally need to wear safety ropes when working aloft to prevent the electricians from being disabled and falling to cause disabilities and fatalities.

Safety rope among the prior art generally includes the dress clothing of wearing on electrician's body (woven by the rope and form) and is used for connecting the safety belt of wearing clothing and spud pile (spud pile like the electric pile), and safety belt one end is fixed on the spud pile, and the other end is fixed on the dress clothing, and the safety belt will be worn the clothing and hold together with electrician after falling, prevents to fall to ground and arouse bigger injury.

When falling, the safety belt is subjected to a great impact force and may be pulled apart, and the pulling apart cannot avoid the disability and the death, so that the improvement of the safety belt in the prior art is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a safety belt for overhead operation, which solves the problem that the safety belt in the prior art is likely to be broken due to the bearing of huge impact force (pulling force) to cause the injury and the death of electricians.

According to the embodiment of the invention, the aerial work safety belt comprises a bearing rope, a plurality of auxiliary ropes arranged around the bearing rope, and two rope collectors for respectively fixing two ends of the bearing rope and the two ends of the auxiliary ropes together, wherein the length of the auxiliary ropes is greater than that of the bearing rope; an air bag body is arranged in the auxiliary rope, a gas generator used for filling gas into the air bag body is further connected to the auxiliary rope, and a trigger assembly used for triggering the gas generator is further included.

Among the above-mentioned technical scheme, the bearing cable directly bears the pulling force, and when the pulling force was too big to exceed its bearing capacity, vice cable can receive the impact force to trigger gas generator and produce gas, blow the gasbag body behind the gas filling gasbag body and blast and make gasbag body volume increase, a plurality of vice cables are around consequently can forming the device of similar balloon around the bearing cable, thereby can alleviate the impact force that the tenesmus produced.

Furthermore, the auxiliary cable comprises a plurality of connecting sections which are connected with each other, and the air bag body is arranged in each connecting section; the two ends of the connecting sections are respectively and fixedly connected with a first connector and a second connector, and the first connector and the second connector between every two adjacent connecting sections are in threaded connection; the gas generator is sleeved outside the connecting section, and a communication channel in a closed state is arranged between the gas generator and the connecting section.

Further, the first connector comprises a first connecting cylinder fixedly connected with one end of the connecting section, and one end, far away from the connecting section, of the first connecting cylinder is in threaded connection with a connecting rod;

the second connector comprises a second connecting cylinder fixedly connected with one end of the first connecting cylinder, and the connecting rod is far away from one end of the first connecting cylinder and is in threaded connection with the second connecting cylinder.

Furthermore, a first mounting groove is concavely formed in the connecting rod, the trigger assembly comprises a clamping column which is slidably arranged in the first mounting groove, a second mounting groove which can be clamped by the clamping column is concavely formed in the inner wall of the first connecting cylinder, the trigger assembly further comprises a pressure sensor which is arranged in the second mounting groove, and a conducting wire which is electrically connected is arranged between the pressure sensor and the gas generator; the first mounting groove and the second mounting groove are in the same plane and are arranged in a staggered mode, when the clamping column slides into the second mounting groove from the first mounting groove, the pressure sensor is triggered, and the pressure signal generated by the pressure sensor due to triggering is transmitted to the gas generator through the conducting wire, so that the gas generator is triggered to charge gas into the airbag body.

Further, still be provided with one end and its bottom fixed connection, the other end in the first mounting groove with card post fixed connection's spring.

Furthermore, the cable collector is fixedly connected with the end part of the bearing cable, a plurality of threaded holes arranged around the bearing cable are formed in the cable collector, two ends of the connecting section can be in threaded connection with the threaded holes, and the first connecting cylinder and the second connecting cylinder are embedded in two end faces of the connecting section respectively.

Furthermore, the cable device also comprises a plurality of connecting cables, and two ends of the connecting cables are respectively connected with the bearing cable and the auxiliary cable.

Further, the connecting section comprises a woven net layer wrapped outside the air bag body, and the connecting cables are fixedly connected with the woven net layer.

Further, the gasbag body includes the cylindric skin, and is provided with a plurality of bracing pieces wherein.

Compared with the prior art, the invention has the following beneficial effects:

a plurality of auxiliary cables containing a plurality of independent air bag bodies are arranged at the periphery of the bearing cable, when the bearing cable is impacted too much, the air bag bodies in the auxiliary cables expand to form a plurality of air ball bodies at the periphery of the bearing cable, so that the effect of reducing the impact force is achieved, and the safety belt is prevented from being completely broken;

the formed plurality of air spheres have increased volume, and can be collided with surrounding buildings and the like before an electrician in the falling process, so that the aim of preventing the electrician from being hurt due to collision with the surrounding buildings is fulfilled.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the connection segment according to the embodiment of the present invention;

fig. 3 is a schematic view of the internal structure of the first connector according to the embodiment of the present invention;

fig. 4 is an internal structural view of a second connector according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a cable collector according to an embodiment of the present invention;

in the above drawings:

1. a load bearing cable; 2. a secondary cable; 3. a cable collector; 4. a balloon body; 5. a gas generator; 6. an outer layer; 7. a support bar; 8. a first connector; 9. a second connector; 10. a connecting cable; 11. weaving a mesh layer; 12. a first connecting cylinder; 13. a connecting rod; 14. a second connecting cylinder; 15. clamping the column; 16. a second mounting groove; 17. a pressure sensor; 18. a wire; 19. a spring; 20. a threaded bore.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, 2, 3 and 4, the embodiment provides an aerial work safety belt, which comprises a bearing rope 1, a plurality of secondary ropes 2 arranged around the bearing rope 1, and two rope collectors 3 for respectively fixing two ends of the bearing rope 1 and the secondary ropes 2 together, wherein the length of the secondary ropes 2 is greater than that of the bearing rope 1; an air bag body 4 is arranged in the auxiliary rope 2, and the auxiliary rope 2 is also connected with a gas generator 5 for filling gas into the air bag body 4 and a trigger assembly for triggering the gas generator 5; wherein the gasbag body 4 includes the outer 6 of cylindric and wherein be provided with a plurality of bracing pieces 7 (bracing piece 7 is the cylinder of adopting elastic material to make for increase auxiliary cable 2's mechanical bearing capacity), and outer 6 adoption high-elastic silica gel materials are made, can take place the inflation after inflating gas.

In the embodiment, the bearing rope 1 directly bears the tensile force, when the tensile force exceeds the bearing capacity of the bearing rope, the auxiliary rope 2 can bear the impact force, so that the gas generator 5 is triggered to generate gas, the gas is filled into the gas bag body 4 and then blows the gas bag body 4 to increase the volume of the gas bag body 4, and the auxiliary ropes 2 surround the bearing rope 1 to form a device similar to a balloon, so that the impact force generated by falling can be reduced.

As shown in fig. 1 and 2, preferably, the secondary cable 2 comprises a plurality of connecting sections connected with each other, and the airbag 4 is arranged in each connecting section; a first connector 8 and a second connector 9 are respectively fixedly connected to two ends of the connecting section, and the first connector 8 and the second connector 9 between two adjacent connecting sections are in threaded connection; the gas generator 5 is sleeved outside the connecting section, and a communication channel in a closed state is arranged between the connecting section and the gas generator.

After the gas generator 5 is triggered, the generated gas rushes open the communication channel (an elastic diaphragm (such as a silica gel film) is arranged in the communication channel, and the generated gas can be broken by high-pressure gas when bearing gas impact, so that the communication channel is rushed open) and enters the air bag body 4; the first connector 8 and the second connector 9 are in threaded connection, namely, the auxiliary cable 2 is combined, and after the auxiliary cable bears impact, a plurality of air spheres are generated, so that the effect of increasing reaction force (mainly buoyancy effect generated by the air spheres) is achieved, and the effect of counteracting the impact force is achieved.

As shown in fig. 1, 2 and 4, the safety belt preferably further comprises a plurality of connecting ropes 10, both ends of which are respectively connected with the bearing rope 1 and the secondary rope 2. The connecting cable 10 is short in length and used for shortening the distance between the auxiliary cable 2 and the bearing cable 1 to avoid excessive looseness between the auxiliary cable and the bearing cable;

in particular, the length of the auxiliary cable 2 is 1.2 to 1.4 times of the length of the bearing cable 1, and when the bearing cable 1 is stretched to be broken, the connecting cable 10 is tensioned by the time of the bearing cable 1, so that the trigger assembly is triggered.

As shown in fig. 2 and 4, preferably, the connecting section includes a woven mesh layer 11 wrapped outside the airbag body 4, and the connecting rope 10 is fixedly connected with the woven mesh layer 11. The woven net layer 11 is used for protecting the air bag body 4 from being triggered accidentally, and meanwhile, the woven net layer 11 is also woven by elastic ropes, so that the limitation on the volume expansion of the air bag body 4 is avoided, meanwhile, the air bag body 4 can be expanded regularly, and a similar tubular air ball body is formed.

As shown in fig. 1, 3 and 4, preferably, the first connector 8 includes a first connecting cylinder 12 fixedly connected to one end of the connecting section, and a connecting rod 13 is connected to one end of the first connecting cylinder 12 away from the connecting section in a threaded manner;

the second connector 9 comprises a second connecting cylinder 14 fixedly connected with one end of the first connecting cylinder 12 far away from the connecting section, and one end of the connecting rod 13 far away from the first connecting cylinder 12 is in threaded connection with the second connecting cylinder 14. The adjacent connecting segments are connected by a connecting rod 13 to form the secondary rope 2.

As shown in fig. 2 and 3, preferably, a first mounting groove is concavely provided on the connecting rod 13, the trigger assembly includes a clamping column 15 slidably disposed in the first mounting groove (the clamping column 15 slides up and down in the first mounting groove), and a second mounting groove 16 is concavely provided on the inner wall of the first connecting cylinder 12, into which the clamping column 15 can be clamped, the trigger assembly further includes a pressure sensor 17 disposed in the second mounting groove 16, and a wire 18 electrically connected between the pressure sensor 17 and the gas generator 5 is provided; under normal conditions, the first mounting groove is positioned at the bottom of the first connecting cylinder 12, the second mounting groove 16 is positioned at one end, close to the outlet, of the first connecting cylinder 12, when the first mounting groove is pulled, the connecting rod 13 is pulled outwards from the first mounting cylinder, so that the clamping column 15 can enter the second mounting groove 16 to be clamped into the first mounting groove, and the clamping column 15 is clamped into the second mounting groove 16 and then contacts the pressure sensor 17 to achieve the function of triggering the pressure sensor 17;

in order to ensure that the clamping column 15 can smoothly trigger the pressure sensor 17, the first mounting groove and the second mounting groove 16 are in the same plane and are arranged in a staggered manner, when the clamping column 15 slides into the second mounting groove 16 from the first mounting groove to trigger the pressure sensor 17, the wire 18 transmits a pressure signal generated by the pressure sensor 17 due to triggering to the gas generator 5, so that the gas generator 5 is triggered to charge gas into the airbag 4.

As shown in fig. 3, preferably, a spring 19 is further disposed in the first mounting groove, wherein one end of the spring is fixedly connected to the bottom of the first mounting groove, and the other end of the spring is fixedly connected to the clamping column 15. The spring 19 that sets up can assist card post 15 to block into second mounting groove 16 more rapidly, and in particular, card post 15 blocks into second mounting groove 16 after, its both ends are arranged in first mounting groove and second mounting groove 16 respectively, prevent that the linkage segment from appearing the fracture.

As shown in fig. 1 and 5, preferably, the cable collector 3 is fixedly connected to an end of the bearing cable 1, the cable collector 3 is provided with a plurality of threaded holes 20 disposed around the bearing cable 1, both ends of the connecting section can be in threaded connection with the threaded holes 20, and the first connecting cylinder 12 and the second connecting cylinder 14 are respectively embedded in both end surfaces of the connecting section. Wherein, the screw hole 20 that sets up is the through-hole, and the degree of depth is darker, and the connecting rod 13 that sets up can insert into completely and can not hinder the threaded connection of linkage segment and screw hole 20, and load-bearing cable 1 and vice cable 2 can be connected to the both ends homoenergetic of collection cable ware 3 simultaneously for the safety belt can lengthen.

Compare in prior art, the safety belt that this embodiment provided has following beneficial effect:

a plurality of auxiliary cables 2 containing a plurality of independent air bag bodies 4 are arranged at the periphery of the bearing cable 1, when the bearing cable 1 is impacted too much, the air bag bodies 4 in the auxiliary cables 2 expand to form a plurality of air ball bodies at the periphery of the bearing cable 1, so that the effect of reducing the impact force is achieved, and the safety belt is prevented from being completely broken; the formed plurality of air spheres have increased volume, and can collide with surrounding buildings and the like before an electrician in the falling process, so that the aim of avoiding the electrician from colliding with the surrounding buildings to cause damage is fulfilled; the safety belt can be lengthened according to specific conditions; even when the bearing rope 1 is broken, the auxiliary ropes 2 are not immediately broken, but form a protection device similar to a parachute, so that the injury to an electrician is reduced, and even if the auxiliary ropes 2 are partially broken, the rest part of the air bag body 4 can play a certain role in buffering, so that the impact on the electrician is reduced.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.