Background
In the high tension transmission line workman overhauls work, the staff generally binds a safety rope on one's body for safety, when the workman carelessly falls, can hold the workman, avoids directly dropping from the circuit, we discover in using, this kind of safety rope does not have the buffering, can directly straighten safety rope tight after the workman falls, makes the safety rope fracture appear easily, influences the security.
Disclosure of Invention
The invention aims to provide a portable falling self-rescue device for a high-voltage power transmission line, which can slowly release a second safety rope when a user suddenly drops by combining a descent control device and a manual winding device, so that the first safety rope is buffered by preferentially utilizing the descent control device, and the first safety rope is gradually converted into a tightened state from a loose state in the process of slowly releasing the second safety rope through the descent control device, thereby avoiding the rapid stretching of the first safety rope and avoiding the easy damage of the first safety rope.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a portable high-voltage transmission line falling self-rescue device comprises a bottom plate, wherein a descent control device, a manual winding device and a second hook are installed on the bottom plate, the descent control rope of the descent control device is a second safety rope, the manual winding device comprises a winding device shell, a second rotating shaft and a first rotating shaft are installed inside the winding device shell, a second gear and a winding roller wheel are installed on the second rotating shaft, a first gear is installed on the first rotating shaft and can rotate on the second rotating shaft, the first gear can rotate on the first rotating shaft, one side of the winding roller wheel is connected with the side part of the second gear, the straight line where the rotating shaft of the winding roller wheel is located is collinear with the straight line where the second gear rotating shaft is located, the winding roller wheel can rotate along with the rotation of the second gear, the side part of the winding roller wheel is connected with one end of the first safety rope, the first gear is meshed with the first rotating shaft, one end of the first safety rope and one end of the second safety rope are both connected with the first hook, the first safety rope comprises two sections of ropes, the two sections of ropes of the first safety rope are connected through a climbing buckle with a thread locking device, the middle of the first rotating shaft penetrates through the side wall of the shell of the winding device, one side of the first rotating shaft is connected with the handle, and the handle is located outside the shell of the winding device.
In order to further realize the aim of the invention, the technical scheme can also be adopted that the shell of the winding device is connected with a guide pipe, the guide pipe penetrates through the shell of the winding device, the inner wall of the guide pipe is provided with a Teflon layer, and the middle part of the first safety rope penetrates through the guide pipe.
The middle part of the first safety rope is provided with a bending area.
The shell of the descent control device, the shell of the manual winding device and the bottom plate are connected in a welding mode.
The descent control device, the bottom plate and the manual winding device are characterized in that a plurality of metal rings are welded on the shell of the descent control device and the side part of the bottom plate, Kevlar fiber ropes sequentially penetrate through the descent control device, the manual winding device and the metal rings on the bottom plate and then are bound, and therefore the descent control device, the manual winding device and the bottom plate are guaranteed to have enough connection strength.
The invention has the advantages that: according to the invention, through the combination of the descent control device and the manual winding device, when a user suddenly drops, the second safety rope can be slowly released, so that the first safety rope is buffered by the descent control device preferentially, and in the process of slowly releasing the second safety rope through the descent control device, the first safety rope is gradually converted from a loose state to a tight state, so that the first safety rope is prevented from being rapidly stretched, and the first safety rope is prevented from being easily damaged. When first safety rope is taut back, the user can progressively rotate the spiral running roller through the mode of hand cranking handle to utilize the first safety rope of handle convolute, thereby progressively promote the user and be close the original position, the person of facilitating the use saves oneself, reduces the rescue time to the user, avoids the user to hang too for a long time. In extreme cases, in case first safety rope appears splitting, the user still can rely on slowly falling ware to land to user's security has improved. Under the condition of ensuring safety, a user can also select to open the climbing buckle after falling down and slowly fall to the ground by using the descent control device.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
a portable falling self-rescue device for a high-voltage power transmission line is shown in figures 1-2 and comprises a bottom plate 7, a descent control device 5, a manual winding device 6 and a second hook 8 are installed on the bottom plate 7, the descent control rope of the descent control device 5 is a second safety rope 4, the manual winding device 6 comprises a winding device shell 15, a second rotating shaft 13 and a first rotating shaft 10 are installed inside the winding device shell 15, a second gear 11 and a winding roller 12 are installed on the second rotating shaft 13, a first gear 16 is installed on the first rotating shaft 10, the second gear 11 can rotate on the second rotating shaft 13, the first gear 16 can rotate on the first rotating shaft 10, one side of the winding roller 12 is connected with the side of the second gear 11, the straight line where the rotating shaft of the winding roller 12 is located is collinear with the straight line where the rotating shaft of the second gear 11, the winding roller 12 can rotate along with the rotation of the second gear 11, the side of the winding roller 12 is connected with one end of the first safety rope 3, the first gear 16 is meshed with the first rotating shaft 10, one end of the first safety rope 3 and one end of the second safety rope 4 are connected with the first hook 1, the first safety rope 3 is provided with two sections of ropes, the two sections of ropes of the first safety rope 3 are connected through a climbing buckle 15 with a thread locking device, the middle of the first rotating shaft 10 penetrates through the side wall of the winding device shell 15, one side of the first rotating shaft 10 is connected with the handle 9, and the handle 9 is located outside the winding device shell 15.
According to the invention, through the combination of the descent control device 5 and the manual winding device 6, when a user suddenly drops, the second safety rope 4 can be slowly released, so that the first safety rope 3 is buffered by preferentially utilizing the descent control device 5, and in the process that the second safety rope 4 is slowly released through the descent control device 5, the first safety rope 3 is gradually converted from a loose state to a tight state, so that the first safety rope 3 is prevented from being rapidly stretched, and the first safety rope 3 is prevented from being easily damaged. After first safety rope 3 is taut, the user can progressively rotate spiral running roller 12 through the mode of hand handle 9 to utilize the first safety rope 3 of handle 9 convolute, thereby progressively promote the user and be close the original position, the person of facilitating the use saves oneself, reduces the rescue time to the user, avoids the user to hang too for a long time. In extreme cases, in case the first safety rope 3 breaks, the user can still rely on the descent control device 5 to slowly descend to the ground, thereby improving the safety of the user. Under the condition of ensuring safety, a user can also select to open the climbing buckle after falling down and slowly fall to the ground by using the descent control device.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing. In order to improve the connection strength of the descent control device 5, the manual winding device 6 and the bottom plate 7, a shell of the descent control device 5, a shell of the manual winding device 6 and the bottom plate 7 are connected in a welding mode, a plurality of metal rings are welded on the shell of the descent control device 5 and the side portion of the bottom plate 7, Kevlar fiber ropes sequentially penetrate through the metal rings on the descent control device 5, the manual winding device 6 and the bottom plate 7 and then are bound, and therefore the descent control device 5, the manual winding device 6 and the bottom plate 7 are guaranteed to have sufficient connection strength. During actual manufacturing, the diameter of the second gear 11 should be greater than the diameter of the first gear 16, so that a user can lift the second gear 11 and the first gear 16 by rotating the handle 9 with small force, self-rescue difficulty is reduced, and a technician in the field can avoid creatively changing the ratio of the diameters of the second gear 11 and the first gear 16, thereby achieving the effect of lifting the second gear and the first gear by rotating the handle 9 with small force.
Example 2:
a portable falling self-rescue device for a high-voltage power transmission line is shown in figures 1-2 and comprises a bottom plate 7, a descent control device 5, a manual winding device 6 and a second hook 8 are installed on the bottom plate 7, the descent control rope of the descent control device 5 is a second safety rope 4, the manual winding device 6 comprises a winding device shell 15, a second rotating shaft 13 and a first rotating shaft 10 are installed inside the winding device shell 15, a second gear 11 and a winding roller 12 are installed on the second rotating shaft 13, a first gear 16 is installed on the first rotating shaft 10, the second gear 11 can rotate on the second rotating shaft 13, the first gear 16 can rotate on the first rotating shaft 10, one side of the winding roller 12 is connected with the side of the second gear 11, the straight line where the rotating shaft of the winding roller 12 is located is collinear with the straight line where the rotating shaft of the second gear 11, the winding roller 12 can rotate along with the rotation of the second gear 11, the side of the winding roller 12 is connected with one end of the first safety rope 3, the first gear 16 is meshed with the first rotating shaft 10, one end of the first safety rope 3 and one end of the second safety rope 4 are connected with the first hook 1, the middle of the first rotating shaft 10 penetrates through the side wall of the winding device shell 15, one side of the first rotating shaft 10 is connected with the handle 9, and the handle 9 is located outside the winding device shell 15. The guiding pipe 14 is connected to the winding device shell 15, the guiding pipe 14 penetrates through the winding device shell 15, the Teflon layer is arranged on the inner wall of the guiding pipe 14, and the middle of the first safety rope 3 penetrates through the guiding pipe 14.
The guide pipe 14 can guide the first safety rope 3, direct friction between the first safety rope 3 and the winding device shell 15 is avoided, the first safety rope 3 is prevented from being easily damaged, the Teflon layer arranged on the inner wall of the guide pipe 14 can reduce friction between the guide pipe 14 and the safety rope, and the first safety rope 3 is prevented from being easily damaged.
Example 3:
a portable falling self-rescue device for a high-voltage power transmission line is shown in figures 1-2 and comprises a bottom plate 7, a descent control device 5, a manual winding device 6 and a second hook 8 are installed on the bottom plate 7, the descent control rope of the descent control device 5 is a second safety rope 4, the manual winding device 6 comprises a winding device shell 15, a second rotating shaft 13 and a first rotating shaft 10 are installed inside the winding device shell 15, a second gear 11 and a winding roller 12 are installed on the second rotating shaft 13, a first gear 16 is installed on the first rotating shaft 10, the second gear 11 can rotate on the second rotating shaft 13, the first gear 16 can rotate on the first rotating shaft 10, one side of the winding roller 12 is connected with the side of the second gear 11, the straight line where the rotating shaft of the winding roller 12 is located is collinear with the straight line where the rotating shaft of the second gear 11, the winding roller 12 can rotate along with the rotation of the second gear 11, the side of the winding roller 12 is connected with one end of the first safety rope 3, the first gear 16 is meshed with the first rotating shaft 10, one end of the first safety rope 3 and one end of the second safety rope 4 are connected with the first hook 1, the middle of the first rotating shaft 10 penetrates through the side wall of the winding device shell 15, one side of the first rotating shaft 10 is connected with the handle 9, and the handle 9 is located outside the winding device shell 15. The middle of the first safety line 3 is provided with a bending area 2.
The middle part of the first safety rope 3 is provided with the bending area 2, so that the second safety rope 4 can be stretched in preference to the first safety rope 3 when a user falls off, the descent control device 5 can slowly release the second safety rope 4 until the first safety rope 3 is tightened, and the descent control device 5 can play a role in buffering the first safety rope 3.
Example 4:
a portable falling self-rescue device for a high-voltage power transmission line is shown in figures 1-2 and comprises a bottom plate 7, a descent control device 5, a manual winding device 6 and a second hook 8 are installed on the bottom plate 7, the descent control rope of the descent control device 5 is a second safety rope 4, the manual winding device 6 comprises a winding device shell 15, a second rotating shaft 13 and a first rotating shaft 10 are installed inside the winding device shell 15, a second gear 11 and a winding roller 12 are installed on the second rotating shaft 13, a first gear 16 is installed on the first rotating shaft 10, the second gear 11 can rotate on the second rotating shaft 13, the first gear 16 can rotate on the first rotating shaft 10, one side of the winding roller 12 is connected with the side of the second gear 11, the straight line where the rotating shaft of the winding roller 12 is located is collinear with the straight line where the rotating shaft of the second gear 11, the winding roller 12 can rotate along with the rotation of the second gear 11, the side of the winding roller 12 is connected with one end of the first safety rope 3, the first gear 16 is meshed with the first rotating shaft 10, one end of the first safety rope 3 and one end of the second safety rope 4 are connected with the first hook 1, the middle of the first rotating shaft 10 penetrates through the side wall of the winding device shell 15, one side of the first rotating shaft 10 is connected with the handle 9, and the handle 9 is located outside the winding device shell 15. The shell of the descent control device 5, the shell of the manual winding device 6 and the bottom plate 7 are connected in a welding mode.
According to the invention, the shell of the descent control device 5, the shell of the manual winding device 6 and the bottom plate 7 are welded and connected, so that the connection strength of the descent control device 5, the manual winding device 6 and the bottom plate 7 can be improved.
Example 5:
a portable falling self-rescue device for a high-voltage power transmission line is shown in figures 1-2 and comprises a bottom plate 7, a descent control device 5, a manual winding device 6 and a second hook 8 are installed on the bottom plate 7, the descent control rope of the descent control device 5 is a second safety rope 4, the manual winding device 6 comprises a winding device shell 15, a second rotating shaft 13 and a first rotating shaft 10 are installed inside the winding device shell 15, a second gear 11 and a winding roller 12 are installed on the second rotating shaft 13, a first gear 16 is installed on the first rotating shaft 10, the second gear 11 can rotate on the second rotating shaft 13, the first gear 16 can rotate on the first rotating shaft 10, one side of the winding roller 12 is connected with the side of the second gear 11, the straight line where the rotating shaft of the winding roller 12 is located is collinear with the straight line where the rotating shaft of the second gear 11, the winding roller 12 can rotate along with the rotation of the second gear 11, the side of the winding roller 12 is connected with one end of the first safety rope 3, the first gear 16 is meshed with the first rotating shaft 10, one end of the first safety rope 3 and one end of the second safety rope 4 are connected with the first hook 1, the middle of the first rotating shaft 10 penetrates through the side wall of the winding device shell 15, one side of the first rotating shaft 10 is connected with the handle 9, and the handle 9 is located outside the winding device shell 15. The descent control device 5, the bottom plate 7 and the manual winding device 6 are characterized in that a plurality of metal rings are welded on the shell of the descent control device 5 and the side part of the bottom plate 7, Kevlar fiber ropes sequentially penetrate through the descent control device 5, the manual winding device 6 and the metal rings on the bottom plate 7 and then are bound, and therefore the descent control device 5, the manual winding device 6 and the bottom plate 7 are guaranteed to have enough connection strength.
The metal ring can prevent Kevlar fiber from being separated from the descent control device 5, the manual winding device 6 and the bottom plate 7, and the Kevlar fiber rope can prevent the descent control device 5, the manual winding device 6 and the bottom plate 7 from being separated when welding spots are broken under extreme conditions.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.