CN115352600A - Rope warning counterweight device for helicopter rescue - Google Patents

Abstract

The invention discloses a rope warning counterweight device for helicopter rescue, which comprises a rescue rope, wherein a manual control descender, a foot treading structure and a counterweight structure are sequentially arranged on the rescue rope from top to bottom, the foot treading structure comprises a pair of side plates, a treading rod and a pair of pedals, and the counterweight structure comprises a sleeve and a counterweight coil. According to the invention, through the foot treading structure and the counterweight structure, when the foot of a rescuer is treaded on the foot treading structure, the rescue rope is limited in the foot treading structure, so that the condition that the foot of the rescuer is wound by the rescue rope is prevented, meanwhile, under the gravity action of the counterweight structure, the lower part of the foot of the rescuer can be kept in a vertical state, the condition that the rescue rope is wound on the foot of the rescuer is further prevented, and meanwhile, along with the descending of the rescuer along the rescue rope, the counterweight structure can smooth the rescue rope, so that the winding phenomenon of a plurality of rescue ropes can be prevented.

Description

Rope warning counterweight device for helicopter rescue

technical field

The invention belongs to the technical field of cable descent equipment, in particular to a rope warning counterweight device for helicopter rescue.

Background technique

Helicopter rescue is an emergency rescue using a helicopter as a transport vehicle. Helicopters can reach rescue sites that are inaccessible by water and land more quickly, and carry out search and rescue, material delivery, and air command. When carrying out helicopter rescue work, if the rescue site There is no place for the helicopter to stop directly, and rescuers usually use ropes to perform rappelling operations from the helicopter.

CN201821049412.4 discloses a helicopter rescue rope warning counterweight system. This patent increases the weight under the rope and increases the stability when the lower end of the rope is suspended by setting the pedal, connecting rod, left splint and right splint, so that it is convenient carried out the rescue work. However, when the rescuers are in the process of rappelling, the helicopter propeller will blow out relatively strong airflow when the helicopter propeller is working, so that the ropes hanging below the rescuers will swing under the action of the airflow, causing the ropes to be entangled at the feet of the rescuers. As a result, the rescuers are easily cut by the ropes during the descent process. At the same time, if a plurality of rescuers are to perform the rope drop work at one time, the bottom of the multiple ropes will also be entangled together due to the blowing of the airflow. Create trouble.

The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgment or any form of suggestion that the information constitutes the prior art that is already known to those skilled in the art.

Contents of the invention

The object of the present invention is to provide a rope warning counterweight device for helicopter rescue, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above object, the present invention provides a rope warning counterweight device for helicopter rescue, which includes a rescue rope, a manual descender is set on the rescue rope, and a shackle is arranged at the bottom end of the manual descender. , a foot stepping structure is arranged under the hand-controlled descender, a counterweight structure is arranged under the foot stepping structure, and the rescue rope is sequentially connected from the hand-controlled descender, the foot stepping structure, And passing through the counterweight structure, the rescuer who descends by rope is hooked on the manual descender through a rope, and the rescuer's feet overlap and step on the foot stepping structure.

In the technical solution of the present invention, the foot stepping structure includes a pair of side plates, a stepping rod penetrating through the two side plates and fixedly connected with the side plates, and respectively sleeved on the first and last ends of the stepping rods. end and a pair of pedals that are rotatably connected to the pedal rod.

In the technical solution of the present invention, a gap is formed between the two side plates, a connecting block is fixed between the rear end faces of the two side plates, and a hanging ring is fixed on the outer end face of the connecting block, Several pulleys are rotatably connected between the two side plates, and the rescue ropes are wound around the surface of each pulley in turn.

In the technical solution of the present invention, the stepping rod has a cylindrical rod-shaped structure, and the stepping rod penetrates the side plate and the connecting block in sequence, and a pair of M.

In the technical solution of the present invention, a sleeve hole is opened on the side end surface of the pedal, the stepping rod passes through the sleeve hole, and the pedal is clamped between a pair of fixing rings.

In the technical solution of the present invention, the counterweight structure includes a sleeve sleeved on the periphery of the rescue rope and a counterweight roll wound on the peripheral surface of the sleeve.

In the technical solution of the present invention, the sleeve has a hollow cylindrical structure, convex edges are uniformly formed on the top and bottom ends of the sleeve, and through seams are opened on the outer peripheral surface of the sleeve. The rescue rope can enter the inside of the sleeve from the outside of the sleeve through the through slit, and a collar is hung on the top end of the sleeve.

In the technical solution of the present invention, the outer shell of the counterweight roll is made of cloth material, the inside of the counterweight roll is filled with sand, and the front of the counterweight roll is tightly sewn with a wool surface Velcro, so The reverse side of the counterweight roll is tightly sewn with a thorny Velcro, and when the weight roll is wound on the outside of the sleeve, the thorny Velcro is closely bonded to the rough surface Velcro.

In the technical solution of the present invention, a first pull cord is set between the hand-controlled descender and the foot stepping structure, and a second pull rope is set between the foot stepping structure and the counterweight structure , the first and last ends of the first pull rope and the second pull rope are fastened with hooks, the top end of the first pull rope is hung on the shackle through the hook, the first pull rope The bottom end of the stay rope is hung on the hanging ring through the hook, the top end of the second stay rope is hung on the hanging ring through the hook, and the bottom end of the second stay rope is hung on the sleeve through the hook. on the ring.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

1. In the present invention, the hand-controlled descender is connected with the foot-depressed structure by using the first pull rope to connect the hand-controlled descender with the foot-stepped structure under the hand-controlled descender, so that the rescuer can use the hand-controlled descender to start from the rescue rope. When going up and down, the rescuer's feet can step on the two pedals on the foot stepping structure, so that the rescue rope can be restricted in the foot stepping structure, preventing the rescuer from entanglement of the feet during the descent. Situation happens.

2. In the present invention, the counterweight structure is connected with the foot stepping structure through the set counterweight structure and the second pull rope, so that under the gravity of the counterweight structure, the rescue rope passing through the counterweight structure It will maintain a vertical state under the action of the counterweight structure, which can prevent the airflow blown by the helicopter propeller from lifting the drooping rescue rope and wrapping it around the rescuer's feet. At the same time, as the rescuer descends along the rescue rope, the counterweight structure will The rescue rope can be smoothed out, which can prevent multiple rescue ropes from being entangled.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the use schematic diagram of the present invention;

Fig. 3 is a structural diagram of the treading structure of the foot in the present invention;

Figure 4 is an exploded view of the pedal structure of the present invention;

Fig. 5 is the structural diagram of counterweight structure among the present invention;

Fig. 6 is the structural diagram of sleeve among the present invention;

Fig. 7 is the structural diagram of counterweight roll among the present invention;

Fig. 8 is a schematic diagram of unfolding of the counterweight roll in the present invention.

Explanation of reference signs:

1 - rescue rope;

2-manual control descender; 21-shackle;

3-foot stepping structure; 31-side plate; 311-connecting block; 312-hanging ring; 313-pulley; 32-stepping rod; 321-fixed ring; 33-pedal;

4-counterweight structure; 41-sleeve; 411-convex edge; 412-through seam; 413-collar; 42-counterweight roll;

5- the first drawstring;

6- second drawstring;

7- Hook.

Detailed ways

The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

Referring to Fig. 1-Fig. 8, the rope warning counterweight device for helicopter rescue of the present invention comprises a rescue rope 1, and the rescue rope 1 is provided with a manual descender 2, which is used for emergency landing and escape. It is a protective device for protecting operators during evacuation, fire fighting and rescue. The manual descender 2 has an automatic braking system to prevent the user from subconsciously operating when descending and causing danger. It can automatically stop on a single rope. When the user's When the body weight has been stressed on the hand-controlled descender 2 and the handle is released, the automatic stop system will start to operate, and the speed of descent can be controlled by pulling the rope tail below the hand-controlled descender 2 .

In the present invention, a foot stepping structure 3 is arranged under the hand-controlled descender 2, and a counterweight structure 4 is arranged under the foot stepping structure 3. And pass through in the counterweight structure 4, the rescuer who descends by rope is hooked on the hand-controlled descender 2, and the foot of the rescuer overlaps and tramples on the foot stepping structure 3.

Specifically, the foot stepping structure 3 includes a pair of side plates 31, a stepping rod 32 that runs through the two side plates 31 and is fixedly connected with the side plates 31, and is respectively sleeved on the first and last ends of the stepping rod 32 and rotates with the stepping rod 32. A pair of pedals 33 connected. A gap is formed between the two side plates 31, a connecting block 311 is fixed between the rear end faces of the two side plates 31, and a plurality of pulleys 313 are rotatably connected between the two side plates 31, and the rescue rope 1 runs from each pulley in turn. 313 on the surface, and under the restriction of the pulley 313, the rescue rope 1 is limited to the inside of the two side plates 31. When the foot stepping on the structure 3 is stressed, the rescue rope 1 will be driven by friction. The pulley 313 rotates, so that the foot stepping structure 3 can move along the rescue rope 1 .

Further, the stepping rod 32 has a cylindrical rod-shaped structure, and the stepping rod 32 penetrates the side plate 31 and the connecting block 311 in turn, and a pair of fixing rings 321 are fixed on the outer peripheral surfaces of the first and last ends of the stepping rod 32 , and the sides of the pedal 33 A sleeve hole 331 is opened on the end face, and the stepping rod 32 passes through the sleeve hole 331. The pedal 33 is sandwiched between a pair of fixing rings 321, so that the pedal 33 can be rotated on the stepping rod 32 while being held by the fixing ring 321. It is restricted on the stepping rod 32 to prevent the pedal 33 from deviating from the stepping rod 32 .

In addition, a first pull rope 5 is arranged between the hand-controlled descender 2 and the foot pedaling structure 3, the first and last ends of the first pull rope 5 are bolted with hooks 7, and the bottom end of the hand-controlled descender 2 is provided with Shackle 21, the outer end face of connection block 311 is fixed with hanging ring 312, and the top end of the first stay cord 5 is hung on the hook ring 21 by hook 7, and the bottom end of the first stay cord 5 is hung on the hanger by hook 7. On the ring 312, the foot stepping structure 3 is hooked to the bottom of the hand-controlled descender 2 through the first pull rope 5. When the rescuer uses the hand-controlled descender 2 to perform cable descent, the body of the rescuer is articulated on the hand-controlled descender. On the descender 2, at this time, the rescuer can lap two feet on the two pedals 33 respectively, so that the rescue rope 1 passing through the foot stepping structure 3 is limited in the foot stepping structure 3, preventing In the process of the rescuer's descent, the situation that the rescue rope 1 is wrapped around the feet occurs.

In the above solution, the counterweight structure 4 includes a sleeve 41 sheathed on the periphery of the rescue rope 1 and a counterweight roll 42 wound on the outer surface of the sleeve 41 .

Specifically, the sleeve 41 is a hollow cylindrical structure, and the peripheral surface of the sleeve 41 is provided with a through slit 412, and the rescue rope 1 can enter the inside of the sleeve 41 from the outside of the sleeve 41 through the through slit 412, so as to achieve The purpose of the sleeve 41 being installed on the rescue rope 1 .

Further, the shell of the counterweight roll 42 is made of cloth material, and the inside of the counterweight roll 42 is filled with sand. The front of the counterweight roll 42 is tightly stitched with a wool surface Velcro 421, and the reverse side of the counterweight roll 42 is tightly seamed. The thorn surface Velcro 422 is connected. When the counterweight roll 42 is wound around the outside of the sleeve 41, the thorn surface Velcro 422 and the rough surface Velcro 421 are closely bonded. When the sleeve 41 is set on the outside of the rescue rope 1 Finally, the counterweight coil 42 can be wound on the outside of the sleeve 41 , so that the rescue rope 1 is restricted inside the sleeve 41 by the counterweight coil 42 .

In addition, flanges 411 are integrally formed on the top and bottom edges of the sleeve 41. When the weight roll 42 is wound on the outside of the sleeve 41, the protruding flanges 411 will block the weight roll 42. slumping, thereby preventing the counterweight roll 42 from falling off the sleeve 41.

It is worth noting that a second stay rope 6 is arranged between the foot stepping structure 3 and the counterweight structure 4, the first and last ends of the second stay rope 6 are bolted with hooks 7, and the top end of the sleeve 41 is hooked with a Collar 413, the top end of the second stay cord 6 is articulated on the link ring 312 through the hook 7, and the bottom end of the second stay cord 6 is articulated on the collar 413 through the hook 7, so that the pedal structure 3 and the counterweight The structures 4 are connected by the second pull rope 6, under the gravity of the counterweight roll 42, the rescue rope 1 between the foot stepping structure 3 and the counterweight structure 4 can maintain a vertical state, preventing the helicopter propeller from blowing out The drooping rescue rope 1 is lifted by the airflow and wrapped around the rescuer's feet. At the same time, as the rescuer descends along the rescue rope 1, the counterweight structure 4 can smooth the rescue rope 1, which can prevent multiple rescue ropes from 1 The occurrence of entanglement phenomenon.

The working principle of the rope warning counterweight device for helicopter rescue of the present invention is specifically as follows: firstly, when the helicopter arrives at the rescue site and prepares to carry out the rescuer's rope-down work, the rescuer sequentially lowers the hand-controlled descender 2 and the foot stepping structure 3 After being installed on the rescue rope 1 and extending the rescue rope 1 into the inner side of the sleeve 41 from the through slit 412, the counterweight roll 42 is wound on the outside of the sleeve 41, so that the counterweight roll 42 is installed on the sleeve 41, and then the rescuer uses the hand-controlled descender 2 to carry out the cable descent, so that the rescuer's body is hooked on the hand-controlled descender 2, and now the rescuer can lap two feet on the two pedals 33 respectively, Thereby the rescue rope 1 passing through the foot stepping structure 3 is restricted in the foot stepping structure 3, preventing the situation that the rescue rope 1 wraps around the feet in the process of the rescuer's descent, and finally when the rescuer's rope descends During the process, the counterweight structure 4 will always drive the rescue rope 1 between the foot stepping structure 3 and the counterweight structure 4 to be in a vertical state under the action of gravity, preventing the drooping rescue rope 1 from being lifted up and entangled by the airflow blown by the helicopter propeller At the same time, as the rescuer descends along the rescue rope 1, the counterweight structure 4 can straighten the rescue rope 1, which can prevent multiple rescue ropes 1 from being entangled.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. These descriptions are not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling others skilled in the art to make and use various exemplary embodiments of the invention, as well as various Choose and change. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (9)

1. The utility model provides a rope warning counter weight device for helicopter rescue, includes rescue rope (1), its characterized in that: rescue rope (1) is gone up the cover and is equipped with manual descender (2), the bottom of manual descender (2) is provided with shackle (21), the below of manual descender (2) is provided with foot trampling structure (3), the below of foot trampling structure (3) is provided with counter weight structure (4), rescue rope (1) follows in proper order manual descender (2) foot trampling structure (3) and pass in counter weight structure (4), and the rescue personnel that the cable falls articulate through the rope on manual descender (2), and rescue personnel's foot overlap joint is trampled on foot trampling structure (3).

2. A helicopter rescue rope warning counterweight apparatus as defined in claim 1 wherein: foot trample structure (3) include a pair of curb plate (31), run through two curb plate (31) and with curb plate (31) fixed connection trample pole (32) and establish respectively trample pole (32) first and last both ends and with a pair of footboard (33) of trampling pole (32) rotation connection.

3. A helicopter rescue rope warning counterweight apparatus as defined in claim 2 further comprising: a gap is formed between the two side plates (31), a connecting block (311) is fixed between the rear end faces of the two side plates (31), a hanging ring (312) is fixed on the outer end face of the connecting block (311), a plurality of pulleys (313) are rotatably connected between the two side plates (31), and the rescue rope (1) sequentially passes around the surface of each pulley (313).

4. A helicopter rescue rope warning counterweight apparatus as defined in claim 2 further comprising: trample pole (32) are cylindrical shaft-like structure, trample pole (32) will in proper order curb plate (31) and connecting block (311) run through, all be fixed with a pair of solid fixed ring (321) on the first last both ends peripheral surface of trample pole (32).

5. A rope warning counterweight device for helicopter rescue as defined in claim 2, further comprising: a sleeve hole (331) is formed in the side end face of the pedal (33), the stepping rod (32) penetrates through the sleeve hole (331), and the pedal (33) is clamped between a pair of fixing rings (321).

6. A rope warning counterweight apparatus for helicopter rescue as defined in claim 1 further characterized by: the counterweight structure (4) comprises a sleeve (41) sleeved at the periphery of the rescue rope (1) and a counterweight roll (42) wound on the outer peripheral surface of the sleeve (41).

7. A rope warning counterweight apparatus for helicopter rescue according to claim 6 further characterized by: the sleeve (41) is of a hollow cylindrical structure, flanges (411) are integrally formed at the edges of the two ends of the top and the bottom of the sleeve (41), a through seam (412) is formed on the peripheral surface of the sleeve (41), the rescue rope (1) can enter the sleeve (41) from the outer side of the sleeve (41) through the through seam (412), and a lantern ring (413) is hung at the top end of the sleeve (41).

8. A helicopter rescue rope warning counterweight apparatus as claimed in claim 6, wherein: the shell of the counterweight roll (42) is made of cloth materials, sand is filled in the counterweight roll (42), a hair side magic tape (421) is tightly sewn on the front side of the counterweight roll (42), a thorn side magic tape (422) is tightly sewn on the reverse side of the counterweight roll (42), and when the counterweight roll (42) is wound on the outer side of the sleeve (41), the thorn side magic tape (422) is tightly adhered to the hair side magic tape (421).

9. A rope warning counterweight apparatus for helicopter rescue as defined in claim 1 further characterized by: the manual descender (2) and be provided with first stay cord (5) between foot trample structure (3), foot trample structure (3) with be provided with second stay cord (6) between counter weight structure (4), first stay cord (5) with couple (7) have all been tied up in the first end both ends of second stay cord (6), the top of first stay cord (5) is passed through couple (7) articulates on shackle (21), the bottom of first stay cord (5) is passed through couple (7) articulate on shackle (312), the top of second stay cord (6) is passed through couple (7) articulate on shackle (312), the bottom of second stay cord (6) is passed through couple (7) articulate on lantern ring (413).

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