CN115708936B - Hook structure of safety belt with mechanical double protection - Google Patents
Hook structure of safety belt with mechanical double protection Download PDFInfo
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- CN115708936B CN115708936B CN202211380790.1A CN202211380790A CN115708936B CN 115708936 B CN115708936 B CN 115708936B CN 202211380790 A CN202211380790 A CN 202211380790A CN 115708936 B CN115708936 B CN 115708936B
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Abstract
The invention discloses a hook structure of a safety belt with mechanical double protection, which comprises a ring body, a first rotating shaft, an elastic rod, a locking piece, a trigger, a pull rope, a pulley and a locking part, wherein the ring body is provided with a first rotating shaft; the left side of the ring body is provided with an opening, and a locking piece matched with the opening is arranged at 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 perpendicular to the plane where the ring body is located; the locking block is rotationally connected with the ring body at the lower end of the opening through a first rotating shaft, and an elastic rod is fixedly connected to the first rotating shaft; the elastic direction of the elastic rod prevents the locking block from being switched from a closed loop state to an open loop state; the trigger is rotationally connected to the second rotating shaft; one end of the trigger is positioned at the inner side of the ring body, and the other end of the trigger is positioned at the outer side of the ring body; one end of the pull rope is fixedly connected with the end part of the cross arm of the locking block, which is far away from the vertical arm, and the other end of the pull rope is fixedly connected with one end of the trigger, which is positioned at the outer side of the ring body. In order to solve the comparatively loaded down with trivial details problem of prior art switching hanging point.
Description
Technical Field
The invention relates to a hook structure of a safety belt with mechanical double protection, and belongs to the technical field of safety belts.
Background
The main transformer or the high resistance of more than 35kV in the transformer substation needs to climb up and down frequently in the overhaul and test process, the safety regulations define that the height exceeds two meters, the safety belts are required to be protected, in order to meet the specified requirement, the staff can achieve the aim of whole-course protection by exchanging the main ropes and the two protection ropes of the safety belts in the climbing process, but the main ropes and the hooks of the two protection ropes of the safety belts need to be unlocked and locked continuously, so that the whole climbing up and down process is complicated, and the man-machine efficiency is poor.
To solve this problem, the applicant developed a safety belt for climbing main transformer full protection, as shown in fig. 1, comprising a safety belt body 13, a safety rope 14 and an openable hook: the safety belt body 13 is connected with two safety ropes 14, and the end parts of the safety ropes 14 far away from the safety belt body 13 are respectively and fixedly connected with an openable hook.
The existing openable hook cannot be opened and closed through manual control, and can only be opened by using external force to squeeze the clamping block, and can be closed under the action of elastic force.
Disclosure of Invention
The invention aims to solve the technical problems that: a hook structure of a safety belt with mechanical double protection is provided to overcome the defects of the prior art.
The technical scheme of the invention is as follows: a hook structure of a safety belt with mechanical double protection comprises a ring body, a first rotating shaft, an elastic rod, a locking piece, a trigger, a pull rope, a pulley and a locking part;
the left side of the ring body is provided with an opening, and a locking piece matched with the opening is arranged at 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 perpendicular to the plane where the ring body is located;
the locking piece is rotationally connected with a 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 piece rotates around the first rotating shaft to enable a structure formed by the ring body and the locking piece to be switched between an open-loop state and a closed-loop state, the locking piece comprises a vertical arm and a cross arm, one end of the cross arm is fixedly connected with the lower end of the vertical arm to form an L-shaped structure, and a rotating connection point of the locking piece and the first rotating shaft is a connection point of two arms of the locking piece;
the elastic direction of the elastic rod prevents the locking block from being switched from a closed loop state to an open loop state;
the right side of the ring body is provided with a second rotating shaft perpendicular to the plane of the ring body, and the trigger is rotationally connected to the second rotating shaft;
one end of the trigger is positioned at the inner side of the ring body, and the other end of the trigger is positioned at the outer side of the ring body;
the lower end of the ring body is rotationally connected with a pulley, and the rotating shaft of the pulley is vertical to the plane of the ring body;
one end of the pull rope is fixedly connected with the end part of the cross arm of the locking block, which is far away from the vertical arm, the other end of the pull rope is fixedly connected with one end of the trigger, which is positioned at the outer side of the ring body, the middle section of the pull rope is contacted with the lower surface of the pulley, and the pull rope is always in a tensioning state;
the locking part is arranged between the ring body and the locking block.
Further, the trigger includes long arm and short arm, and long arm one end and short arm one end fixed connection constitute L shape structure, and the tie point of trigger and second pivot is long arm and short arm junction, and the long arm of trigger is located the ring, and the short arm of trigger is located the ring outside, and the contained angle that forms between long arm and the short arm is less than 180 down, and the stay cord is kept away from the one end fixed connection of long arm with the short arm.
Further, the pulleys comprise 3 pulleys, and the 3 pulleys are arranged on the ring body between the first rotating shaft and the second rotating shaft and distributed at intervals.
Preferably, the switching from the closed-loop state to the open-loop state is in particular a rotation of the vertical arm of the locking piece about the first axis of rotation into the ring body.
Further, a stop block is arranged on the right side face of the ring body at the upper end of the opening, the stop block is arranged on a path of the locking block rotating outside the ring body around the first rotating shaft, the stop block is matched with the left side face of the locking block, and when the locking block is in a closed-loop state, the upper end face of the locking block is matched with the end face of the ring body at the upper end of the opening.
Further, the locking part 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 arranged at the upper part of the ring body, one end of the placing hole is positioned at the right side of the ring body, and the left end of the placing hole is positioned at the left side of the placing hole;
one end of the control rope is fixedly connected to the right end of the placement hole, the other end of the control rope is connected with the pressing plate, the control rope is placed in the placement hole, and the control rope is in a tensioning state;
a ring body at the upper end of the opening is provided with a mounting hole;
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 rotationally connected to the third rotating shaft, one side of the pressing plate, which is positioned on the third rotating shaft, is arranged right above the bolt, and the other side of the pressing plate, which is positioned 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 vertical, and the diameter of the first jack is larger than that of the bolt;
the second jack starts to be arranged on the ring body at the upper end of the opening, the direction of the second jack is vertical, the second jack coincides with the central axis of the first jack when the second jack is in a closed loop state, the second jack is matched with the plug pin, the plug pin is connected to the second jack in a sliding mode, and the length of the plug pin is larger than that of the second jack;
the upper end of the pressure spring is connected with the upper end of the plug pin, and the lower end of the pressure spring is contacted with the bottom surface of the mounting hole;
the sliding hole is arranged at the upper part of the ring body, penetrates through the upper surface and the lower surface of the ring body and is crossed with the placing hole, and the sliding hole is connected with the push rod in a sliding way;
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 placement hole when the air bag is not compressed.
The beneficial effects of the invention are as follows: in contrast to the prior art, the method has the advantages that,
1) According to the invention, the locking block can be pulled to rotate around the first rotating shaft by the manual trigger, so that the structure formed by the locking block and the ring body is switched between an open-loop state and a closed-loop state; the elastic rod has elastic force for preventing the locking block from being switched from the closed loop state to the open loop state, and the elastic rod enables the locking block to always seal the opening of the ring body under the condition of no tension of the tension rope or external force, so that the device is prevented from slipping from the hanging point during hanging. The hanging point is more convenient and quicker to switch;
2) The pulley is used for reducing the friction force between the pull rope and the ring body while the pull rope does not obstruct the hand holding of the ring body 1. The locking part locks the relative movement between the ring body and the locking piece, so that accidents caused by slipping from the hanging point when the ring body is hung on the hanging point can be avoided.
Drawings
FIG. 1 is a schematic diagram of a structure of the background art of the invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of another view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is an exploded view of the present invention;
FIG. 6 is a side view of the present invention;
FIG. 7 is a cross-sectional view taken at section line A-A of FIG. 6;
FIG. 8 is a partial view at B in FIG. 7;
fig. 9 is a partial view at C in fig. 7.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Implementation example 1: referring to fig. 2-9, the present embodiment adopts a hook structure of a safety belt with mechanical double protection, which 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, a pulley 12 and a locking part; the left side of the ring body 1 is provided with an opening 11, and a locking piece 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 perpendicular to the plane of the ring body 1; the locking piece 2 is rotationally 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 piece 2 rotates around the first rotating shaft 1-2 to enable a structure formed by the ring body 1 and the locking piece 2 to be switched between an open-loop state and a closed-loop state, the locking piece 2 comprises a vertical arm 2-1 and a cross arm 2-2, one end of the cross arm 2-2 is fixedly connected with the lower end of the vertical arm 2-1 to form an L-shaped structure, and a rotational connection point of the locking piece 2 and the first rotating shaft 1-2 is a connection point of two arms of the locking piece 2; the elastic direction of the elastic rod 1-3 prevents the locking piece 2 from being switched from the closed loop state to the open loop state; the right side of the ring body 1 is provided with a second rotating shaft 1-8 perpendicular to the plane of the ring body 1, and the trigger 5 is rotationally connected to the second rotating shaft 1-8; one end of the trigger 5 is positioned at the inner side of the ring body 1, and the other end of the trigger 5 is positioned at the outer side of the ring body 1; the lower end of the ring body 1 is rotationally 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; the locking part is arranged between the ring body 1 and the locking piece 2.
When in use, the locking piece 2 is pulled to rotate around the first rotating shaft 1-2 by the manual trigger 5, so that the structure formed by the locking piece 2 and the ring body 1 is switched between an open-loop state and a closed-loop state. The elastic rod 1-3 has an elastic force for preventing the locking piece 2 from being switched from the closed loop state to the open loop state, and the elastic rod 1-3 enables the locking piece 2 to always seal the opening 11 of the ring body 1 under the condition that the locking piece 2 is not pulled by the pull rope 11 or external force, so that the device is prevented from slipping from the hanging point during hanging. The pulley 12 has the function of reducing the friction between the pull rope 11 and the ring body 1 while keeping the pull rope 11 from interfering with the hand holding the ring body 1. The locking part locks the relative movement between the ring body 1 and the locking piece 2, so that accidents caused by slipping from the hanging point when the ring body is hung on the hanging point can be avoided.
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 positioned in the ring body 1, the short arm 5-2 of the trigger 5 is positioned 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 is downward, 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.
Tilting the trigger 5 facilitates manual pulling.
Further, the pulleys 12 include 3, 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 the hand of the person holding the ring body 1.
Preferably, the vertical arm 2-1 of the lock block 2 is switched from the closed-loop state to the open-loop state to rotate about the first rotation axis 1-2 into the ring body 1.
Even if the lock block 2 is pushed by external force at the hanging point, the lock block 2 is switched to an open-loop state only by pushing the lock block into the ring body 1, and most of force is directed out of the ring body 1 from the inside of the ring body 1 when the lock block is hung at the hanging point, and the device is not switched to the open-loop state from the closed-loop state, so that the device is safer.
Further, 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 outwards 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 when the locking block is in a closed loop state, 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.
The lock block 2 is blocked by the stop block 1-9, so that the closed loop state can be switched to the open loop state, and only the vertical arm 2-1 of the lock block 2 can rotate around the first rotating shaft 1-2 into the ring body 1.
In order to solve this problem, in this embodiment, further, the locking part includes a control rope 4, a placement hole 1-6, a push rod 8, a third rotating shaft 1-4, a pressing plate 3, a plug 8, a first jack 2-1-1, a second jack 1-7, a pressure spring 9 and a sliding hole 1-5; the placement hole 1-6 is arranged at the upper part of the ring body 1, one end of the placement hole 1-6 is positioned at the right side of the ring body 1, and the left end of the placement hole 1-6 is positioned at the left side of the placement hole 1-6; one end of the control rope 4 is fixedly connected to the right end of the placement 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 placement hole 1-6, and the control rope 4 is in a tensioning state; the 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 perpendicular to the plane where the ring body 1 is located, the middle section of the pressing plate 3 is rotationally connected to the third rotating shaft 1-4, the pressing plate 3 is positioned on one side of the third rotating shaft 1-4 and is arranged right above the bolt 8, and the other side of the pressing plate 3 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 jack 1-7 starts to be 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 1-7 is in a closed loop state, the central axis of the second jack 2-1-1 coincides with that of the first jack, the second jack 1-7 is matched with the plug pin 8, the plug pin 8 is connected to the second jack 1-7 in a sliding mode, and the length of the plug pin 8 is longer 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 hole 1-5 is arranged at the upper part of the ring body 1, the sliding hole 1-5 penetrates through the upper surface and the lower surface of the ring body 1 and is intersected with the placing hole 1-6, and the sliding hole 1-5 is 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 placement hole 1-6, the lower end of the push rod 8 protrudes out of the lower end of the placement hole 1-6.
When the device is used, as the device is hung on the hanging point, the device bears the weight of a human body downwards, the hanging point can apply upward thrust to the lower end of the push rod 8, so that 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 pressing plate 3 to rotate around the third rotating shaft 1-4, the pressing plate 3 rotates to push the bolt 8 to move downwards along the second inserting hole 1-7 and insert into the first inserting hole 2-1, the locking piece 2 cannot rotate around the first rotating shaft 1-2, and the locking piece 2 and the ring body 1 are locked, so long as the weight of the human body is borne by the device, the device is always in a closed-loop state, and the safety of a guarantee person cannot be opened. Once the gravity of the human body is withdrawn from the device, the pressing plate 3 loses the tension of the control rope 4, the bolt 8 is pulled out from the first jack 2-1-1 by the elastic force of the pressure spring 9, and the trigger 5 is buckled, so that the state can be switched from a closed loop state to an open loop state.
It is noted that the invention can realize the adjustment of the rotation angle travel of the pressing plate 3 by setting the distance between the connection point of the control rope 4 and the pressing plate 3 and the third rotating shaft 1-4.
Further, the device also comprises 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.
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 hole 1-5 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 placement 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 elastic action of the air bag 6 after being pushed to change the position, so that the device can be switched from the closed loop state to the open loop state smoothly.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (3)
1. The hook structure of the safety belt with mechanical double protection is characterized by comprising a ring body (1), a first rotating shaft (1-2), an elastic rod (1-3), a locking piece (2), a trigger (5), a pull rope, a pulley (12) and a locking part;
the left side of the ring body (1) is provided with an opening, and a locking block (2) matched with the opening is arranged at the opening;
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, and the first rotating shaft (1-2) is perpendicular to the plane of the ring body (1);
the locking piece (2) is rotationally connected with the ring body (1) at the lower end of the opening through a first rotating shaft (1-2), an elastic rod (1-3) is fixedly connected to the first rotating shaft (1-2), the locking piece (2) rotates around the first rotating shaft (1-2) to enable a structure formed by the ring body (1) and the locking piece (2) to be switched between an open-loop state and a closed-loop state, the locking piece (2) comprises a vertical arm (2-1) and a cross arm (2-2), one end of the cross arm (2-2) is fixedly connected with the lower end of the vertical arm (2-1) to form an L-shaped structure, and a rotational connection point of the locking piece (2) and the first rotating shaft (1-2) is a joint of two arms of the locking piece (2);
the elastic 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;
the right side of the ring body (1) is provided with a second rotating shaft (1-8) perpendicular to the plane of the ring body (1), and the trigger (5) is rotationally connected to the second rotating shaft (1-8);
one end of the trigger (5) is positioned at the inner side of the ring body (1), and the other end of the trigger (5) is positioned at the outer side of the ring body (1);
the lower end of the ring body (1) is rotationally connected with a pulley (12), and the rotating shaft of the pulley (12) is perpendicular to the plane of the ring body (1);
one end of the pull rope is fixedly connected with the end part of the cross arm (2-2) of the locking block (2) far away from the vertical arm (2-1), the other end of the pull rope is fixedly connected with one end of the trigger (5) positioned at the outer side of the ring body (1), the middle section of the pull rope is contacted with the lower surface of the pulley (12), and the pull rope is always in a tensioning state;
the locking part is arranged between the ring body (1) and the locking block (2);
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 positioned in the ring body (1), the short arm (5-2) of the trigger (5) is positioned outside the ring body (1), an included angle smaller than 180 DEG formed between the long arm (5-1) and the short arm (5-2) is downward, and the pull rope is fixedly connected with one end of the short arm (5-2) far away from the long arm (5-1);
the vertical arm (2-1) of the locking block (2) is switched from the closed-loop state to the open-loop state and rotates around the first rotating shaft (1-2) into the ring body (1);
the right side surface of the ring body (1) at the upper end of the opening is provided with a stop block (1-9), the stop block (1-9) is arranged on a path of the locking block (2) rotating outwards 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 when the locking block is in a closed-loop state, 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;
the locking part comprises a control rope (4), a placing hole (1-6), a push rod, a third rotating shaft (1-4), a pressing plate (3), a bolt, a first jack (2-1-1), a second jack (1-7), a pressure spring (9) and a sliding hole (1-5);
the placement hole (1-6) is arranged at the upper part of the ring body (1), one end of the placement hole (1-6) is positioned at the right side of the ring body (1), and the left end of the placement hole (1-6) is positioned at the left side of the placement hole (1-6);
one end of the control rope (4) is fixedly connected to the right end of the placement 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 placement hole (1-6), and the control rope (4) is in a tensioning state;
the ring body (1) at the upper end of the opening 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 perpendicular to the plane where the ring body (1) is located, the middle section of the pressing plate (3) is rotationally 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, 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;
the second jack (1-7) starts to be arranged on the ring body (1) at the upper end of the opening, the direction of the second jack (1-7) is vertical, when the second jack is in a closed loop state, the second jack (1-7) coincides with the central axis of the first jack (2-1-1), the second jack (1-7) is matched with a plug pin, the plug pin is connected to the second jack (1-7) in a sliding mode, and the length of the plug pin is larger 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 plug pin, and the lower end of the pressure spring (9) is contacted with the bottom surface of the mounting hole (1-10);
the sliding hole (1-5) is arranged at the upper part of the ring body (1), the sliding hole (1-5) penetrates through the upper surface and the lower surface of the ring body (1) and is intersected with the placing hole (1-6), and the sliding hole (1-5) is connected with the push rod in a sliding way;
the upper end of the push rod is connected with the control rope (4), and when the control rope (4) is completely positioned in the placement hole (1-6), the lower end of the push rod protrudes out of the lower end of the placement hole (1-6);
the device also comprises a push plate (10);
the push plate (10) is fixedly connected to the lower end of the push rod, and the lower surface of the push plate (10) is of an arc-shaped structure.
2. The hooking structure of a safety belt with mechanical double protection according to claim 1, characterized in that said pulleys (12) comprise 3, 3 pulleys (12) being arranged on the ring (1) between the first (1-2) and the second (1-8) spindle and distributed at intervals.
3. The hooking structure of a safety belt with mechanical double protection according to claim 1, characterized in that it further comprises an airbag (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 placement hole (1-6) when the air bag (6) is not compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211380790.1A CN115708936B (en) | 2022-11-04 | 2022-11-04 | Hook structure of safety belt with mechanical double protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211380790.1A CN115708936B (en) | 2022-11-04 | 2022-11-04 | Hook structure of safety belt with mechanical double protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115708936A CN115708936A (en) | 2023-02-24 |
| CN115708936B true CN115708936B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211380790.1A Active CN115708936B (en) | 2022-11-04 | 2022-11-04 | Hook structure of safety belt with mechanical double protection |
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| CN (1) | CN115708936B (en) |
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| 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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2022
- 2022-11-04 CN CN202211380790.1A patent/CN115708936B/en active Active
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115708936A (en) | 2023-02-24 |
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