CN115671600A - Use method of safety belt climbing main transformer for whole-course protection - Google Patents

Use method of safety belt climbing main transformer for whole-course protection Download PDF

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Publication number
CN115671600A
CN115671600A CN202211379025.8A CN202211379025A CN115671600A CN 115671600 A CN115671600 A CN 115671600A CN 202211379025 A CN202211379025 A CN 202211379025A CN 115671600 A CN115671600 A CN 115671600A
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China
Prior art keywords
ring body
rotating shaft
climbing
safety belt
jack
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CN202211379025.8A
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CN115671600B (en
Inventor
张英
邓昭辉
赵健
周贵发
余兴建
秦曦
王永洪
刘兵
陈林
李恒博
马新惠
娄方桥
杜娟
马艳洁
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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Priority to CN202211379025.8A priority Critical patent/CN115671600B/en
Publication of CN115671600A publication Critical patent/CN115671600A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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Abstract

The invention discloses a use method of a safety belt climbing main transformer for whole-course protection, which comprises the following steps: s01, connecting two safety ropes to the safety belt body; s02, fixedly connecting an openable hook to the end part of the safety rope far away from the safety belt body respectively; s03, a climber respectively holds two openable hooks with two hands during climbing, the openable hooks are alternately used to be connected to the connection points, the height of the connection points which are connected in a climbing mode at each time is higher than that of the connection points which are connected in a climbing mode at last time, the height of the connection points which are connected in a climbing mode at each time is lower than that of the connection points which are connected in a climbing mode at last time, and the height of the connection points which are connected in a climbing mode at each time is equal to that of the connection points which are connected in a climbing mode at last time. The problems that in the prior art, the climbing process is complex, and the man-machine work efficiency is poor are solved.

Description

Use method of safety belt climbing main transformer for whole-course protection
Technical Field
The invention relates to a use method of a safety belt for climbing main transformer full-process protection, and belongs to the technical field of use methods of safety belts.
Background
Main transformer or high resistance more than 35kV in the transformer substation need often climb up, climb down in maintenance and test process, stipulate in the safety regulation, exceed two meters height, must have the protection of safety belt, in order to reach this regulation requirement, the staff is in the climbing in-process through the main rope of safety belt and two guarantor ropes exchange the purpose that reaches whole protection each other, but this needs continuous unblock and the couple of the main rope of hasp safety belt and two guarantor ropes to make whole climb up and climb down the process very loaded down with trivial details, man-machine work efficiency is very poor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the use method of the safety belt capable of climbing the main transformer for full-range protection is provided, so that the defects of the prior art are overcome.
The technical scheme of the invention is as follows: a use method of a safety belt for climbing main transformer full-range protection comprises the following steps:
s01, connecting two safety ropes to the safety belt body;
s02, fixedly connecting an openable hook to the end part of the safety rope far away from the safety belt body respectively;
s03, a climber respectively holds two openable hooks with two hands during climbing, the openable hooks are alternately used to be connected to the connection points, the height of the connection points which are connected in a climbing mode at each time is higher than that of the connection points which are connected in a climbing mode at last time, the height of the connection points which are connected in a climbing mode at each time is lower than that of the connection points which are connected in a climbing mode at last time, and the height of the connection points which are connected in a climbing mode at each time is equal to that of the connection points which are connected in a climbing mode at last time.
Further, in the step S03, the openable hook hooked to the previous hooking point is in the closed state until another openable hook is hooked to the next hooking point and is in the closed state.
Specifically, the openable hook comprises a ring body, a first rotating shaft, an elastic rod, a locking block, a trigger, a pull rope and a pulley;
the left side of the ring body is provided with an opening, and the opening is provided with a locking block matched with the opening;
the first rotating shaft is fixedly connected to the end part of the ring body at the upper end of the opening, and the first rotating shaft is vertical to the plane of the ring body;
the locking block is rotatably connected with the ring body at the lower end of the opening through a first rotating shaft, an elastic rod is fixedly connected to the first rotating shaft, the locking block rotates around the first rotating shaft to enable the structure formed by the ring body and the locking block to be switched between an open-loop state and a closed-loop state, the locking block comprises a vertical arm and a cross arm, one end of the cross arm and the lower end of the vertical arm are fixedly connected to form an L-shaped structure, and the rotating connection point of the locking block and the first rotating shaft is the connection position of the two arms of the locking block;
the elastic direction of the elastic rod prevents the locking block from being switched from a closed ring state to an open ring state;
a second rotating shaft vertical to the plane of the ring body is arranged on the right side of the ring body, and the trigger is rotatably connected to the second rotating shaft;
one end of the trigger is positioned on the inner side of the ring body, and the other end of the trigger is positioned on the outer side of the ring body;
the lower end of the ring body is rotatably connected with a pulley, and a pulley rotating shaft is vertical to the plane of the ring body;
the cross arm of stay cord one end fixed connection locking piece keeps away from the tip of erecting the arm, and the trigger is located the one end in the ring body outside to stay cord other end fixed connection, and the stay cord middle section contacts with the pulley lower surface, and the stay cord is in the tensioning state all the time.
Further, the trigger includes long arm and forearm, and long arm one end and forearm one end fixed connection constitute L shape structure, and the tie point of trigger and second pivot is long arm and forearm junction, and the long arm of trigger is located the ring body, and the forearm of trigger is located the ring body externally, and the contained angle that is less than 180 that forms between long arm and the forearm faces down, and the one end fixed connection of long arm is kept away from with the forearm to the stay cord.
Further, the pulleys comprise 3, and 3 pulleys are arranged on the ring body between the first rotating shaft and the second rotating shaft and are distributed at intervals.
Preferably, the switching from the closed-loop state to the open-loop state is carried out in such a way that the vertical arm, in particular the locking piece, rotates about the first pivot axis into the ring body.
Furthermore, the right side surface of the ring body at the upper end of the opening is provided with a stop block, the stop block is arranged on a path of the locking block rotating around the first rotating shaft to the outside of the ring body, the stop block is matched with the left side surface of the locking block, and the upper end surface of the locking block is matched with the end surface of the ring body at the upper end of the opening when the locking block is in a closed ring state.
Furthermore, the device also comprises a control rope, a placing hole, a push rod, a third rotating shaft, a pressing plate, a bolt, a first jack, a second jack, a pressure spring and a sliding hole;
the placing hole is formed in the upper portion of the ring body, one end of the placing hole is located on the right side of the ring body, and the left end of the placing hole is located on the left side of the placing hole;
one end of the control rope is fixedly connected to the right end of the placing hole, the other end of the control rope is connected with the pressing plate, the control rope is placed in the placing hole, and the control rope is in a tensioning state;
a mounting hole is formed in the ring body at the upper end of the opening;
the third rotating shaft is fixedly connected in the mounting hole, the third rotating shaft is perpendicular to the plane where the ring body is located, the middle section of the pressing plate is rotatably connected to the third rotating shaft, one side of the pressing plate, which is located on the third rotating shaft, is arranged right above the bolt, and the other side of the pressing plate, which is located on the third rotating shaft, is fixedly connected with the control rope;
the first jack is arranged at the upper end of the locking block, the direction of the first jack is a vertical direction, and the diameter of the first jack is larger than that of the bolt;
the second jack is arranged on the ring body at the upper end of the opening, the direction of the second jack is vertical, the second jack is superposed with the central axis of the first jack when the second jack is in a closed ring state, the second jack is matched with the bolt, the bolt is connected to the second jack in a sliding manner, and the length of the bolt is greater than that of the second jack;
the upper end of the pressure spring is fixedly connected with the upper end of the bolt, and the lower end of the pressure spring is in contact with the bottom surface of the mounting hole;
the sliding holes are arranged at the upper part of the ring body, penetrate through the upper surface and the lower surface of the ring body and are crossed with the placing holes, and push rods are connected to the sliding holes in a sliding mode;
the upper end of the push rod is connected with the control rope, and the lower end of the push rod protrudes out of the lower end of the placing hole when the control rope is completely positioned in the placing hole.
Further, the device also comprises a push plate;
the push plate is fixedly connected to the lower end of the push rod, and the lower surface of the push plate is of an arc-shaped structure.
Further, the air bag is also included;
an air bag is arranged between the upper surface of the push plate and the lower surface of the upper part of the ring body, and the control rope is completely positioned in the placing hole when the air bag is not compressed.
The invention has the beneficial effects that: compared with the prior art, the invention uses the two openable hooks to be alternately hung on the hanging points, the openable hooks are directly opened and closed by two hands without unlocking and locking the main rope and the two hooks of the safety belt when in use, the time consumption of unlocking and locking the main rope and the two hooks of the safety belt is reduced, the complexity of a climbing process is reduced, the man-machine work efficiency is improved, and the climbing speed is higher.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is an exploded view of the present invention;
FIG. 5 is a side view of the present invention;
FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a partial view taken at B of FIG. 6;
fig. 8 is a partial view at C in fig. 6.
Detailed Description
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.
Example 1 was carried out: the embodiment adopts a use method of a safety belt climbing main transformer for whole-process protection, and the method comprises the following steps:
s01, connecting two safety ropes to the safety belt body;
s02, fixedly connecting an openable hook to the end parts, far away from the safety belt body, of the safety ropes respectively;
s03, a climber respectively holds two openable hooks with two hands during climbing, the openable hooks are alternately used to be connected to the connection points, the height of the connection points which are connected in a climbing mode at each time is higher than that of the connection points which are connected in a climbing mode at last time, the height of the connection points which are connected in a climbing mode at each time is lower than that of the connection points which are connected in a climbing mode at last time, and the height of the connection points which are connected in a climbing mode at each time is equal to that of the connection points which are connected in a climbing mode at last time.
Use two open-close type couples, articulate in turn on the hookup point, need not the couple of the main rope of unblock and hasp safety belt and two guarantors ropes during the use, but directly open and shut through both hands and can open and shut the couple, reduce the main rope of unblock and hasp safety belt and two time consuming of the couple of guarantor, reduce the loaded down with trivial details degree of climbing process, promote man-machine work efficiency and make the climbing speed faster.
Further, in the step S03, the openable hook hooked to the previous hooking point is in the closed state until another openable hook is hooked to the next hooking point and is in the closed state.
The danger caused by the fact that the two openable hooks are both in the open state when the two openable hooks are switched is avoided.
Specifically, referring to fig. 1 to 8, the openable hook includes a ring body 1, a first rotating shaft 1-2, an elastic rod 1-3, a locking block 2, a trigger 5, a pull rope 11 and a pulley 12;
the left side of the ring body 1 is provided with an opening 11, and a locking block 2 matched with the opening 11 is arranged at the opening 11;
the first rotating shaft 1-2 is fixedly connected to the end part of the ring body 1 at the upper end of the opening 11, and the first rotating shaft 1-2 is vertical to the plane of the ring body 1;
the locking block 2 is rotatably connected with the ring body 1 at the lower end of the opening 11 through a first rotating shaft 1-2, an elastic rod 1-3 is fixedly connected to the first rotating shaft 1-2, the locking block 2 rotates around the first rotating shaft 1-2 to enable the structure formed by the ring body 1 and the locking block 2 to be switched between an open-loop state and a closed-loop state, the locking block 2 comprises a vertical arm 2-1 and a cross arm 2-2, one end of the cross arm 2-2 and the lower end of the vertical arm 2-1 are fixedly connected to form an L-shaped structure, and the rotating connection point of the locking block 2 and the first rotating shaft 1-2 is the connection position of two arms of the locking block 2;
the elastic force direction of the elastic rod 1-3 prevents the locking block 2 from being switched from a closed-loop state to an open-loop state;
a second rotating shaft 1-8 vertical to the plane of the ring body 1 is arranged on the right side of the ring body 1, and the trigger 5 is rotatably connected to the second rotating shaft 1-8;
one end of the trigger 5 is positioned on the inner side of the ring body 1, and the other end of the trigger 5 is positioned on the outer side of the ring body 1;
the lower end of the ring body 1 is rotatably connected with a pulley 12, and the rotating shaft of the pulley 12 is vertical to the plane of the ring body 1;
one end of the pull rope 11 is fixedly connected with the end part, far away from the vertical arm 2-1, of the cross arm 2-2 of the locking block 2, the other end of the pull rope 11 is fixedly connected with one end, located on the outer side of the ring body 1, of the trigger 5, the middle section of the pull rope 11 is in contact with the lower surface of the pulley 12, and the pull rope 11 is always in a tensioning state.
When the locking ring is used, the locking block 2 is pulled to rotate around the first rotating shaft 1-2 by manually pulling the trigger 5, so that the structure formed by the locking block 2 and the ring body 1 is switched between an open-loop state and a closed-loop state. The elastic rod 1-3 has elasticity which can prevent the locking block 2 from switching from a closed ring state to an open ring state, and the locking block 2 can always seal the opening 11 of the ring body 1 through the elastic rod 1-3 under the condition that the locking block 2 is not pulled by the pull rope 11 or external force, so that the device can be prevented from slipping from a hanging point during hanging. The pulley 12 functions to reduce the friction between the pull cord 11 and the ring body 1 without interfering with the grip of the ring body 1 by the user.
Further, the trigger 5 comprises a long arm 5-1 and a short arm 5-2, one end of the long arm 5-1 is fixedly connected with one end of the short arm 5-2 to form an L-shaped structure, the connection point of the trigger 5 and the second rotating shaft 1-8 is the connection point of the long arm 5-1 and the short arm 5-2, the long arm 5-1 of the trigger 5 is located in the ring body 1, the short arm 5-2 of the trigger 5 is located outside the ring body 1, an included angle smaller than 180 degrees formed between the long arm 5-1 and the short arm 5-2 faces downwards, and the pull rope 11 is fixedly connected with one end, far away from the long arm 5-1, of the short arm 5-2.
So that the trigger 5 is inclined for easy manual actuation.
Further, the pulleys 12 include 3 pulleys 12, and 3 pulleys 12 are disposed on the ring body 1 between the first rotating shaft 1-2 and the second rotating shaft 1-8 and are distributed at intervals.
The 3 pulleys 12 further allow the pull cord 11 to not interfere with a person's hand holding the ring body 1.
Preferably, the vertical arm 2-1, in particular the lock block 2, is switched from the closed loop state to the open loop state to rotate about the first axis of rotation 1-2 into the loop body 1.
Even if the locking piece 2 is pushed by external force at the hanging point, the locking piece 2 can be switched to the open-loop state only by pushing the locking piece 2 into the ring body 1, and most of the force is directed from the inside of the ring body 1 to the outside of the ring body 1 when the locking piece is hung at the hanging point, so that the device is not switched to the open-loop state from the closed-loop state, and the arrangement is safer.
Furthermore, a stop block 1-9 is arranged on the right side surface of the ring body 1 at the upper end of the opening 11, the stop block 1-9 is arranged on a path of the locking block 2 rotating towards the outside of the ring body 1 around the first rotating shaft 1-2, the stop block 1-9 is matched with the left side surface of the locking block 2, and the upper end surface of the locking block 2 is matched with the end surface of the ring body 1 at the upper end of the opening 11 when the locking block is in a closed ring state.
The locking block 2 is blocked by the stop blocks 1-9, so that the locking block can be switched from the closed ring state to the open ring state, and only the vertical arm 2-1 of the locking block 2 can rotate around the first rotating shaft 1-2 to the ring body 1.
Because the device is hung at a hanging point and bears the weight of a human body, the device is possibly switched to an open-loop state due to the fact that a hand touches a trigger 5 by mistake, and the device has the risk of falling off from the hanging point, in order to solve the problem, the device further comprises a control rope 4, placing holes 1-6, a push rod 8, a third rotating shaft 1-4, a pressing plate 3, a bolt 8, first inserting holes 2-1-1, second inserting holes 1-7, a pressure spring 9 and sliding holes 1-5 in the embodiment; the placing holes 1-6 are formed in the upper portion of the ring body 1, one ends of the placing holes 1-6 are located on the right side of the ring body 1, and the left ends of the placing holes 1-6 are located on the left side of the placing holes 1-6; one end of the control rope 4 is fixedly connected to the right end of the placing hole 1-6, the other end of the control rope 4 is connected with the pressing plate 3, the control rope 4 is placed in the placing hole 1-6, and the control rope 4 is in a tensioning state; a ring body 1 at the upper end of the opening 11 is provided with mounting holes 1-10; the third rotating shaft 1-4 is fixedly connected in the mounting hole 1-10, the third rotating shaft 1-4 is vertical to the plane of the ring body 1, the middle section of the pressing plate 3 is rotatably connected on the third rotating shaft 1-4, one side of the pressing plate 3, which is positioned on the third rotating shaft 1-4, is arranged right above the bolt 8, and the other side of the pressing plate 3, which is positioned on the third rotating shaft 1-4, is fixedly connected with the control rope 4; the first jack 2-1-1 is arranged at the upper end of the locking block 2, the direction of the first jack 2-1-1 is vertical, and the diameter of the first jack 2-1-1 is larger than that of the bolt 8; the second jacks 1-7 are arranged on the ring body 1 at the upper end of the opening 11, the direction of the second jacks 1-7 is vertical, when the second jacks are in a closed ring state, the central axes of the second jacks 1-7 and the first jacks 2-1-1 are overlapped, the second jacks 1-7 are matched with the pins 8, the pins 8 are connected on the second jacks 1-7 in a sliding mode, and the lengths of the pins 8 are greater than those of the second jacks 1-7; the upper end of the pressure spring 9 is fixedly connected with the upper end of the bolt 8, and the lower end of the pressure spring 9 is in contact with the bottom surfaces of the mounting holes 1-10; the sliding holes 1-5 are arranged at the upper part of the ring body 1, the sliding holes 1-5 penetrate through the upper surface and the lower surface of the ring body 1 and are crossed with the placing holes 1-6, and the sliding holes 1-5 are connected with the push rod 8 in a sliding manner; the upper end of the push rod 8 is connected with the control rope 4, and when the control rope 4 is completely positioned in the placing holes 1-6, the lower end of the push rod 8 protrudes out of the lower ends of the placing holes 1-6.
When the device is used, the device is hung on a hanging point, the device bears downward human body gravity, upward thrust is applied to the lower end of the push rod 8 at the hanging point, the push rod 8 moves upwards along the sliding hole 1-5, the push rod 8 moves upwards to extrude the middle section of the control rope 4 out of the sliding hole 1-5, the control rope 4 pulls the press plate 3 to rotate around the third rotating shaft 1-4, the press plate 3 rotates to push the bolt 8 to move downwards along the second inserting hole 1-7 and insert the bolt into the first inserting hole 2-1-1, so that the lock block 2 cannot rotate around the first rotating shaft 1-2, the lock block 2 and the ring body 1 are locked, and the device can be in the closed ring state all the time as long as the human body gravity is borne by the device, and the safety of a guarantee person cannot be opened. Once the gravity of the human body is withdrawn from the device, the pressure plate 3 loses the tension of the control rope 4, the elastic force of the pressure spring 9 enables the bolt 8 to be drawn out from the first jack 2-1-1, the trigger 5 is buckled, and the closed ring state can be switched to the open ring state.
It is noted that the present invention can realize the adjustment of the rotation angle stroke of the pressure plate 3 by setting the distance from the connection point of the control rope 4 and the pressure plate 3 to the third rotating shaft 1-4.
Further, a push plate 10 is also included; the push plate 10 is fixedly connected to the lower end of the push rod 8, and the lower surface of the push plate 10 is of an arc-shaped structure.
Here, the contact area of the push rod 8 is increased by the push plate 10 so that the push rod 8 can move in the slide holes 1 to 5 even if the direction is not parallel to the length direction of the push rod 8.
Further, an air bag 6 is also included; an air bag 6 is arranged between the upper surface of the push plate 10 and the lower surface of the upper part of the ring body 1, and the control rope 4 is completely positioned in the placing holes 1-6 when the air bag 6 is not compressed.
The air bag 6 enables the push rod 8 to be restored to the original position under the action of the elastic force of the air bag 6 after being pushed to change the position, and the device can be smoothly switched from the closed-loop state to the open-loop state.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (10)

1. A use method of a safety belt climbing main transformer full-range protection is characterized by comprising the following steps:
s01, connecting two safety ropes to the safety belt body;
s02, fixedly connecting an openable hook to the end parts, far away from the safety belt body, of the safety ropes respectively;
s03, when climbing, a climber respectively holds two openable hooks with both hands, the openable hooks are alternately used to be hung on the hanging points, the height of the hanging points hung at each time during climbing is higher than that of the hanging points hung at last time, the height of the hanging points hung at each time during climbing downwards is lower than that of the hanging points hung at last time, and the height of the hanging points hung at each time during horizontal climbing is equal to that of the hanging points hung at last time.
2. The method for using the safety belt for climbing the main transformer for the full range protection of the main transformer as claimed in claim 1, wherein in the step S03, the openable hook hooked at the previous hooking point is in the closed state until another openable hook is hooked at the next hooking point and is in the closed state.
3. The use method of the safety belt for climbing the whole journey protection of the main transformer is characterized in that the openable hook comprises a ring body (1), a first rotating shaft (1-2), an elastic rod (1-3), a locking block (2), a trigger (5), a pull rope (11) and a pulley (12);
the left side of the ring body (1) is provided with an opening (11), and a locking block (2) matched with the opening (11) is arranged at the opening (11);
the first rotating shaft (1-2) is fixedly connected to the end part of the ring body (1) at the upper end of the opening (11), and the first rotating shaft (1-2) is vertical to the plane of the ring body (1);
the locking block (2) is rotatably connected with a ring body (1) at the lower end of the opening (11) through a first rotating shaft (1-2), an elastic rod (1-3) is fixedly connected onto the first rotating shaft (1-2), the locking block (2) rotates around the first rotating shaft (1-2) to enable a structure formed by the ring body (1) and the locking block (2) to be switched between an open-loop state and a closed-loop state, the locking block (2) comprises a vertical arm (2-1) and a cross arm (2-2), one end of the cross arm (2-2) and the lower end of the vertical arm (2-1) are fixedly connected to form an L-shaped structure, and a rotating connection point of the locking block (2) and the first rotating shaft (1-2) is a connection point of two arms of the locking block (2);
the elastic direction of the elastic rod (1-3) prevents the locking block (2) from being switched from a closed ring state to an open ring state;
a second rotating shaft (1-8) vertical to the plane of the ring body (1) is arranged on the right side of the ring body (1), and the trigger (5) is rotatably connected to the second rotating shaft (1-8);
one end of the trigger (5) is positioned on the inner side of the ring body (1), and the other end of the trigger (5) is positioned on the outer side of the ring body (1);
the lower end of the ring body (1) is rotatably connected with a pulley (12), and the rotating shaft of the pulley (12) is vertical to the plane of the ring body (1);
one end of the pull rope (11) is fixedly connected with the end part, far away from the vertical arm (2-1), of the cross arm (2-2) of the locking block (2), the other end of the pull rope (11) is fixedly connected with one end, located on the outer side of the ring body (1), of the trigger (5), the middle section of the pull rope (11) is in contact with the lower surface of the pulley (12), and the pull rope (11) is always in a tensioning state.
4. The use method of the safety belt for climbing the main transformer for full range protection according to claim 3, wherein the trigger (5) comprises a long arm (5-1) and a short arm (5-2), one end of the long arm (5-1) is fixedly connected with one end of the short arm (5-2) to form an L-shaped structure, the connection point of the trigger (5) and the second rotating shaft (1-8) is the connection point of the long arm (5-1) and the short arm (5-2), the long arm (5-1) of the trigger (5) is located in the ring body (1), the short arm (5-2) of the trigger (5) is located outside the ring body (1), an included angle smaller than 180 degrees is formed between the long arm (5-1) and the short arm (5-2) and faces downwards, and the pull rope (11) is fixedly connected with one end of the short arm (5-2) far away from the long arm (5-1).
5. Use of a safety belt for climbing a main transformer for full range protection according to claim 3, characterized in that the pulleys (12) comprise 3, 3 pulleys (12) arranged on the ring body (1) between the first rotating shaft (1-2) and the second rotating shaft (1-8) and distributed at intervals.
6. Use of a safety belt for climbing the main transformer for full range protection, according to claim 3, characterized in that the vertical arm (2-1), in particular the lock block (2), is switched from a closed loop state to an open loop state to rotate around the first axis of rotation (1-2) into the ring (1).
7. The use method of the safety belt for climbing the whole range protection of the main transformer is characterized in that a stop block (1-9) is arranged on the right side surface of the ring body (1) at the upper end of the opening (11), the stop block (1-9) is arranged on a path of the lock block (2) rotating outwards from the ring body (1) around the first rotating shaft (1-2), the stop block (1-9) is matched with the left side surface of the lock block (2), and the upper end surface of the lock block (2) is matched with the end surface of the ring body (1) at the upper end of the opening (11) when the lock block is in a closed ring state.
8. The use method of the safety belt for climbing the main transformer for the whole-course protection is characterized by further comprising a control rope (4), placing holes (1-6), a push rod (8), a third rotating shaft (1-4), a pressing plate (3), a bolt (8), a first jack (2-1-1), a second jack (1-7), a pressure spring (9) and a sliding hole (1-5);
the placing holes (1-6) are arranged at the upper part of the ring body (1), one ends of the placing holes (1-6) are positioned at the right side of the ring body (1), and the left ends of the placing holes (1-6) are positioned at the left side of the placing holes (1-6);
one end of the control rope (4) is fixedly connected to the right end of the placing hole (1-6), the other end of the control rope (4) is connected with the pressing plate (3), the control rope (4) is placed in the placing hole (1-6), and the control rope (4) is in a tensioning state;
a mounting hole (1-10) is formed in the ring body (1) at the upper end of the opening (11);
the third rotating shaft (1-4) is fixedly connected in the mounting hole (1-10), the third rotating shaft (1-4) is perpendicular to the plane where the ring body (1) is located, the middle section of the pressing plate (3) is rotatably connected to the third rotating shaft (1-4), one side of the pressing plate (3) located on the third rotating shaft (1-4) is arranged right above the bolt (8), and the other side of the pressing plate (3) located on the third rotating shaft (1-4) is fixedly connected with the control rope (4);
the first jack (2-1-1) is arranged at the upper end of the locking block (2), the direction of the first jack (2-1-1) is vertical, and the diameter of the first jack (2-1-1) is larger than that of the bolt (8);
the second jack (1-7) is arranged on the ring body (1) at the upper end of the opening (11), the direction of the second jack (1-7) is vertical, when the second jack is in a closed ring state, the central axis of the second jack (1-7) is superposed with that of the first jack (2-1-1), the second jack (1-7) is matched with the plug pin (8), the plug pin (8) is connected on the second jack (1-7) in a sliding manner, and the length of the plug pin (8) is greater than that of the second jack (1-7);
the upper end of the pressure spring (9) is fixedly connected with the upper end of the bolt (8), and the lower end of the pressure spring (9) is contacted with the bottom surface of the mounting hole (1-10);
the sliding holes (1-5) are arranged at the upper part of the ring body (1), the sliding holes (1-5) penetrate through the upper surface and the lower surface of the ring body (1) and are crossed with the placing holes (1-6), and the sliding holes (1-5) are connected with the push rod (8) in a sliding manner;
the upper end of the push rod (8) is connected with the control rope (4), and when the control rope (4) is completely positioned in the placing holes (1-6), the lower end of the push rod (8) protrudes out of the lower ends of the placing holes (1-6).
9. The use method of the safety belt for climbing the whole range of protection of the main transformer according to claim 8, characterized by further comprising a push plate (10);
the push plate (10) is fixedly connected to the lower end of the push rod (8), and the lower surface of the push plate (10) is of an arc-shaped structure.
10. Use of a safety belt for climbing the main transformer for full range protection according to claim 9, characterized in that it further comprises an air bag (6);
an air bag (6) is arranged between the upper surface of the push plate (10) and the lower surface of the upper part of the ring body (1), and the control rope (4) is completely positioned in the placing hole (1-6) when the air bag (6) is not compressed.
CN202211379025.8A 2022-11-04 2022-11-04 Use method of safety belt with whole-course protection of climbing main transformer Active CN115671600B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001262963A (en) * 2000-03-21 2001-09-26 Nakao:Kk Ladder
WO2011089535A1 (en) * 2010-01-20 2011-07-28 4Geco S.R.L. Safety system with two carabiners each one to be hung to a belay element for climbing purposes, adventure parks, works on civil structures or generally works requiring safety ropes
CN206148845U (en) * 2016-10-31 2017-05-03 国网湖南省电力公司带电作业中心 Somersault coaster for power transmission line live working
CN208611623U (en) * 2017-09-07 2019-03-19 张前保 Height ascenting job safety protective device
CN214912815U (en) * 2020-11-18 2021-11-30 天津滨海新区大港星火园工贸有限公司 Anti-falling protector and vertical ladder climbing protection device with same
CN215249073U (en) * 2021-04-12 2021-12-21 新疆海湾大型设备吊装有限公司 Crane hook anti-drop device convenient to lock
CN217697697U (en) * 2022-07-11 2022-11-01 滨州同创化纤制品有限公司 Climbing safety belt adopting novel tensile connection structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001262963A (en) * 2000-03-21 2001-09-26 Nakao:Kk Ladder
WO2011089535A1 (en) * 2010-01-20 2011-07-28 4Geco S.R.L. Safety system with two carabiners each one to be hung to a belay element for climbing purposes, adventure parks, works on civil structures or generally works requiring safety ropes
CN206148845U (en) * 2016-10-31 2017-05-03 国网湖南省电力公司带电作业中心 Somersault coaster for power transmission line live working
CN208611623U (en) * 2017-09-07 2019-03-19 张前保 Height ascenting job safety protective device
CN214912815U (en) * 2020-11-18 2021-11-30 天津滨海新区大港星火园工贸有限公司 Anti-falling protector and vertical ladder climbing protection device with same
CN215249073U (en) * 2021-04-12 2021-12-21 新疆海湾大型设备吊装有限公司 Crane hook anti-drop device convenient to lock
CN217697697U (en) * 2022-07-11 2022-11-01 滨州同创化纤制品有限公司 Climbing safety belt adopting novel tensile connection structure

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