CN115445114A - Aloft work unhook warning safety belt - Google Patents

Aloft work unhook warning safety belt Download PDF

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Publication number
CN115445114A
CN115445114A CN202211086904.1A CN202211086904A CN115445114A CN 115445114 A CN115445114 A CN 115445114A CN 202211086904 A CN202211086904 A CN 202211086904A CN 115445114 A CN115445114 A CN 115445114A
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CN
China
Prior art keywords
safety
belt
rope
fabric
main control
Prior art date
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Granted
Application number
CN202211086904.1A
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Chinese (zh)
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CN115445114B (en
Inventor
周新升
史欢学
王晓涛
段新生
符顶锋
王开熙
马新军
徐炼
石发桥
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Shaanxi Sending Substation Engineering Co ltd
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Shaanxi Sending Substation Engineering Co ltd
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Priority to CN202211086904.1A priority Critical patent/CN115445114B/en
Publication of CN115445114A publication Critical patent/CN115445114A/en
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Publication of CN115445114B publication Critical patent/CN115445114B/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0006—Harnesses; Accessories therefor
    • A62B35/0025—Details and accessories
    • A62B35/0037—Attachments for lifelines and lanyards
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The patent relates to a safety protection device, in particular to an aloft work unhook alarm safety belt. The adopted technical scheme is as follows: the safety belt is connected with a main control box, the peripheries of the fabrics of the adjacent safety hooks on the surrounding rod belt and the backup rope are respectively provided with a metal mesh sleeve, the outgoing line of the main control box is connected with a connecting terminal, and the connecting terminal is connected with the connector module to form an outgoing line and connecting on-off loop with the connecting terminal; the main control box forms a surrounding rod belt unhooking on-off loop and a back-up rope unhooking on-off loop on the safety belt through the outgoing line and the connecting line; when the safety hook is unhooked or the wiring terminal is not connected with the outgoing line, the main control box performs voice alarm and sends alarm information to a remote supervisor; the advantage of this patent is: the safety hook is wound around the mast and is connected to the metal net sleeve after being looped, and the metal net sleeve is electrified and connected to form a unhooking on-off loop, so that the unhooking detection is convenient and reliable, and the application range of the alarm safety belt is expanded.

Description

Aloft work unhook warning safety belt
Technical Field
The patent relates to a safety protection device, in particular to an aloft work unhook alarm safety belt.
Background
According to the regulation of 'notice about further increasing the strength of punishment of safety production violation' of state network company, 'no protection during high-altitude operation, climbing or transferring operation position' belongs to I-type serious violation, but in actual work, part of high-altitude operation personnel still have to tie safety belts in time due to negligence or accidentally unhook the safety belts in the working process, so that the violation is caused and even a safety accident is caused; therefore, the safety belt is provided with an alarm device for alarming the condition that the safety belt is not fastened or the safety hook of the safety belt is unhooked during high-altitude operation.
The existing safety belt alarm is generally triggered by a travel switch or a magnetic type, or triggered by an electronic chip induction mode, or is switched on and off by an induction circuit signal mode, but the alarm needs to be closely inducted or connected with a safety belt body, and is suitable for an alarm that a safety hook bypasses a mast or other structures (for simplicity, the mast or other structures are generally called the mast) and returns to the waist to be connected with a D-shaped ring, or the safety hook is directly hung on the mast, the alarm sound is only buzzing sound, and a surrounding rod belt, a back-up rope and the like are not distinguished.
In the process of high-altitude operation, due to different operation environments, the shape and the position of the mast which can be surrounded by the safety hook are different, and for the reason that the size of the mast is too large, the safety hook cannot be directly hung on the mast, or for the reason that the distance is longer, the safety hook cannot bypass the mast and return to the waist to be connected with the D-shaped ring, only the mode that the safety hook bypasses the mast to form a small ring can be adopted; however, the safety shackle bypasses the mast to form a small ring, and the working condition that the D-shaped ring at the waist of the safety belt is not returned is not met, so that the alarm cannot perform judgment and unhooking alarm.
In addition, the existing safety belt alarm can also cause false alarm due to poor contact between the safety hook and the D-shaped ring; when an individual overhead worker moves at a high place, the security hook of the psychological safe belt is held and thrown to move, so that serious artificial violation is caused; moreover, as the supervision personnel and the control ball are arranged on the ground, the violation can not be prevented in time, and the supervision is not forceful.
Disclosure of Invention
The purpose of this patent is exactly to design an aerial working unhook warning safety belt, and the surrounding rod area or the reserve rope of safety belt are connected conveniently on the mast, and when the safety hook of safety belt unhook, alarm device sent out voice alarm to send alarm information long-range real-time to the supervisory systems.
The technical scheme of this patent is: the utility model provides an aerial working unhook warning safety belt, be connected with the pin area on the safety belt body, control the D type ring, back D type ring, both ends at the end of pin area and reserve rope are provided with the safety hook respectively, the fabric periphery of adjacent safety hook is provided with pin area metal mesh sleeve on the pin area, the fabric periphery of the adjacent safety hook of distal end is provided with reserve rope metal mesh sleeve on the reserve rope, pin area safety hook, near-end safety hook, distal end safety hook, control D type ring and back D type ring and be the electrically conductive material preparation, still including connecting the main control box at safety belt body waist, the main control box passes through lead-out wire and connecting wire and forms break-make return circuit on the safety belt.
Furthermore, the main control box comprises a main board, a battery, a switch button and a prompting lamp, and a main control module, a voice module, a power module, a wireless communication module, an interface module and a plug connector module are integrated on the main board; the plug connector module of the main control box is internally provided with three wiring terminals P2, P3 and P4 and two testing terminals P1 and P5, and a switch K7 is arranged between the P1 and the P5.
Furthermore, leading-out wires or connecting wires are arranged in a heat-resisting pipe on the safety belt body fabric, a heat-shrinkable pipe on the girth belt fabric and a heat-shrinkable pipe on the back-up rope fabric; there is an outgoing line a on the binding post P3 of master control box, has an outgoing line b on binding post P2, has an outgoing line m on binding post P4, and the distal end safety hook department of reserve rope has a connecting wire n, and near-end safety hook department has a connecting wire e, and there are connecting wire c and connection D about D type ring department.
Further, leading-out wires a are arranged along the safety belt body fabric and connected to the left D-shaped ring and the right D-shaped ring; the outgoing line b is arranged along the girth pole belt fabric and connected to the girth pole belt safety hook; the outgoing line m is arranged on the fabric at the back D-shaped ring along the fabric of the safety belt body; the connecting wire n is arranged on the fabric at the position of the safety hook at the near end of the back-up rope along the back-up rope fabric; the outgoing line m and the connecting line n are electrically connected at the joint of the back D-shaped ring and the near-end safety hook of the backup rope through a waterproof connector; the connecting line c is connected to the back D-shaped ring along the safety belt body fabric; the connecting line d is distributed and connected to the surrounding rod belt metal net sleeve along the surrounding rod belt fabric; the connecting line e is routed along the back-up cord fabric and connected to the back-up cord metal mesh.
Further, the length of the surrounding rod with the metal net sleeve and the metal net sleeve of the back-up rope is 20-40 cm.
Furthermore, tension-resistant leading-out wires or connecting wires are preset in the surrounding rod belts and the back rope fabric.
Furthermore, a safety hook connection reliability detection program is arranged in the main control box.
The advantage of this patent is:
1) Because the periphery of the belt body adjacent to the safety hook of the surrounding rod belt is provided with the metal net sleeve, the safety hook is connected to the metal net sleeve of the surrounding rod belt after being looped around the mast and is electrically connected, and a surrounding rod belt unhooking on-off loop can be conveniently formed; because the metal net sleeve is arranged on the periphery of the rope body adjacent to the safety hook at the far end of the backup rope, the safety hook is connected to the metal net sleeve of the backup rope after being looped around the mast and then is electrically connected, and a backup rope unhooking on-off loop can be conveniently formed; therefore, the alarm for the unhooking of the safety hook can be realized under the condition that the mast structure is large in size or the mast is far away from the safety hook, the unhooking detection is convenient and reliable, and the application range of the alarm safety belt is expanded;
2) Because the outgoing line is connected with the connecting terminal to form the on-off loop, when the outgoing line is not connected with the connecting terminal, an alarm is given, and the safety and the reliability of the safety belt alarm device are improved;
3) The pole area safety hook unhook break-make return circuit detects pole area unhook, and reserve rope unhook break-make return circuit detects reserve rope near-end safety hook unhook and distal end safety hook unhook, and the lead-out wire is connected the break-make return circuit with binding post and is detected on the main control box whether the lead-out wire is effectively connected, and the main control box lasts to each return circuit break-make condition and continuously scans, and return circuit level is zero when pole area or reserve rope safety hook throw off, then the main control box corresponds the suggestion and reports to the police. The alarm voice is mainly characterized in that the alarm information is clear and definite as the host is not connected (the prompt connecting terminal is not effectively connected with the main control box), the surrounding rod belt is not tied, the near end of the backup rope is not tied, the far end of the backup rope is not tied and the like;
4) Due to the fact that the wireless communication module is arranged, corresponding alarm information can be sent to supervision personnel under the tower in a wireless mode in real time when the main control box gives an alarm, violation of regulations can be corrected in time conveniently, supervision is improved, and accidents are avoided.
Drawings
FIG. 1 is a schematic structural view of an overhead working unhooking alarm safety belt;
FIG. 2 is a schematic view showing a state that a guard hook is arranged on a surrounding rod to form a small ring around a mast;
FIG. 3 is a schematic diagram of a seatbelt electrical connection with an alarm device;
FIG. 4 is a circuit diagram of a voice module;
FIG. 5 is a circuit diagram of a connector module;
in the figure: 1-a safety belt body; 11-left and right D-rings; 12-back D-ring; 2-enclosing the pole belt; 21-the surrounding rod is provided with a safety hook; 22-the surrounding rod is provided with a metal net sleeve; 3-backup rope; 31-a proximal safety hook; 32-back up rope metal net cover; 33-a distal safety hook; 4-a master control box; 5-leading-out wire; 51-lead-out line a; 52-connecting line d; 53-connecting line c; 54-connecting line e; 55-outlet b; 56-outgoing line m; 57-connecting line n; 6-mast.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the aloft work unhook alarm safety belt comprises a safety belt body 1 made of an insulating fabric material, a surrounding rod belt 2, a back rope 3, left and right D-shaped rings 11, a back D-shaped ring 12 and a main control box 4, wherein the safety belt body 1 is carried on shoulders and is tied between the waist to form a vest structure; the left and right D-shaped rings 11 are connected at the waist part and used for hanging a safety hook, and can be left D-shaped rings or right D-shaped rings; one end of the surrounding rod belt 2 is connected with the safety belt body 1 into a whole, the end is connected to the fabric at the left and right D-shaped rings 11 between the waist, and the other end is connected with a surrounding rod belt safety hook 21; the back D-shaped rings 12 are connected to the upper back or the back waist of the safety belt body 1, and can be two or more and are used for connecting safety hooks; the body of the backup rope 3 is an independent insulating rope, two ends of the insulating rope are respectively connected with a safety hook, one end hung on the safety belt body 1 is set to be a near-end safety hook 31, the other end is set to be a far-end safety hook 33, the safety hooks, the left and right D-shaped rings 11 and the back D-shaped ring 12 are all made of conductive metal materials, and the surrounding rod belt 2 and the body of the backup rope 3 are made of insulating fiber material fabrics; the main control box 4 is connected to the waist position of the safety belt body 1;
the periphery of the insulating fabric of the adjacent safety hook on the surrounding rod belt 2 is provided with a surrounding rod belt metal net sleeve 22, and the periphery of the insulating fabric of the adjacent far-end safety hook 33 on the back spare rope 3 is provided with a back spare rope metal net sleeve 32; the surrounding rod belt metal net sleeve 22 and the back-up rope metal net sleeve 32 are made of stainless steel nets, the length of each stainless steel net is 20-40 cm, and the surrounding rod belt metal net sleeve is used for tying a safety hook to the metal net sleeve after the safety hook winds the mast so as to enable the safety hook to be electrically connected with the metal net sleeve; fig. 2 is a schematic view showing a state that a guard hook 21 of the guard band 2 surrounds the mast 6 and then a small ring is formed on the guard band metal net 22, and at this time, the guard hook 21 is electrically connected with the guard band metal net 22 after the small ring is formed; the state that the far-end safety hook 33 of the backup rope 3 is looped around the mast 6 and then tied in a small ring on the metal net sleeve 32 of the backup rope is the same as that in the state shown in fig. 2, and the far-end safety hook 33 of the backup rope 3 is electrically connected with the metal net sleeve 32 of the backup rope; the advantage of making little mast 6 that encircles is that the safety hook does not receive the restriction of mast 6 structure size, does not receive the restriction of surrounding rod area 2 and reserve rope 3 length yet, makes things convenient for high altitude construction.
The main control box 4 comprises a main board, a battery, a switch button and a prompting lamp, wherein the main board and the battery are arranged in the box body, the switch button and the prompting lamp are arranged on the surface of the box body, the battery is used for supplying power to the main control box, the switch button is used for manually operating the on-off machine, the prompting lamp comprises an alarm flashing indicating lamp and a power indicating lamp, the power indicating lamp is on after the on-off machine is started, and the flashing alarm flashing indicating lamp flashes to give bright flashing light when alarming is performed; the main control module, the voice module, the power supply module, the wireless communication module, the interface module and the plug connector module are integrated on the mainboard; the main control module has the functions of logic control, storage and communication control; the voice module has the main functions of driving a loudspeaker and playing voice; the power module has the main functions of charging and detecting the electric quantity of a built-in battery, converting the power supply of the battery into the power supply specification suitable for each module and supplying power to each module; the interface module mainly comprises a switch key, a charging interface, an indicator light, a debugging interface and other human-computer interaction interfaces; the connector module is used for detecting the connection condition of the plug-in unit and the safety belt; the wireless communication module is used for transmitting the alarm information in a wireless manner.
As shown in fig. 2, 3, and 4, the outgoing line 5 on the connection terminal of the main control box 4 includes: the outgoing line a51 is led out from the terminal P3, the outgoing line b55 is led out from the terminal P2, the outgoing line m56 is led out from the terminal P4, the outgoing line a51 is arranged along the safety belt body fabric and connected to the left and right D-shaped rings 11, the outgoing line b55 is arranged along the surrounding rod belt fabric and connected to the surrounding rod belt safety hook 21, the outgoing line m56 is arranged along the safety belt body fabric and connected to the fabric at the back D-shaped ring 12, the connecting line n57 is led out from the far-end safety hook 33 of the back rope 3 and arranged along the back rope fabric and connected to the fabric at the near-end safety hook 31 of the back rope 3, and the connecting line m56 and the connecting line n57 are electrically connected through a waterproof connector at the connecting position of the near-end safety hook 31 of the back rope 3 and the back D-shaped ring 12; leading out a connecting line c53 from the left and right D-shaped rings 11, connecting the connecting line c53 to the back D-shaped ring 12 along the safety belt body fabric, leading out a connecting line D52 from the left and right D-shaped rings 11, laying along the surrounding rod belt fabric, and connecting the connecting line D52 to the surrounding rod belt metal mesh 22; a connecting wire e54 is led out from the near-end safety hook 31 of the back rope 3 and is arranged along the back rope fabric to be connected to the back rope metal net cover 32; the outgoing line 5 or the connecting line on the safety belt body 1 penetrates through a heat-resistant pipe sewn on the fabric to be distributed; the outgoing line 5 or the connecting line on the surrounding rod belt 2 is arranged in a heat shrinkage pipe sewn on the fabric of the surrounding rod belt 2; an outgoing line 5 or a connecting line on the backup rope 3 penetrates into a heat shrinkage pipe sewn on the fabric of the backup rope 3 to be distributed; according to the practical application situation, a lead wire with a tension resisting function can be preset in the body fabric to serve as the outgoing line 5 or the connecting line when the surrounding rod belt 2 and the back-up rope 3 are manufactured.
When the guard hook 21 of the guard rod is looped around the mast 6 and then hung on the guard rod metal mesh 22, the guard hook 21 of the guard rod is electrically connected with the guard rod metal mesh 22, which is equivalent to the closing of the switch K1, the connecting terminal P3, the outgoing line a51, the left and right D-shaped rings 11, the connecting line D52, the guard wire metal mesh 22, the guard hook 21 of the guard rod, the outgoing line b55 and the connecting terminal P2 on the main control box 4 are electrically connected in sequence, and a guard rod unhooking on-off loop is formed between the connecting terminals P3 and P2 of the main control box 4; after the power is turned on, the main control box 4 continuously scans the on-off condition of the loop and continuously feeds back a level signal; when the surrounding rod with the safety hook 21 is unhooked, which is equivalent to that K1 is disconnected, and the level value is zero, the main control box 4 triggers the voice module to perform corresponding prompt alarm.
The guard bar belt safety hook 21, the left and right D-shaped rings 11 and the back D-shaped ring 12 are made of metal materials and have conductivity, so that the guard bar belt safety hook 21 is hung on the left and right D-shaped rings 11 (or the back D-shaped rings 12) and then electrically connected, when the guard bar belt safety hook 21 is hung on the left and right D-shaped rings 11 (or the back D-shaped rings 12), the switch K2 is closed, the connecting terminal P3, the leading-out wire a51, the left and right D-shaped rings 11 (or the connecting wire c53 and the back D-shaped rings 12), the guard bar belt safety hook 21, the leading-out wire b55 and the P2 connecting terminal of the main control box 4 are electrically connected in sequence, a guard bar belt unhooking loop is formed between the connecting terminals P3 and P2 of the main control box 4, and the main control box 4 continuously scans the on-off state of the loop after starting up, and continuously feeds back a level signal; when the surrounding rod with the safety hook 21 is unhooked, which is equivalent to that K2 is disconnected, and the level value is zero, the main control box 4 triggers the voice module to perform corresponding prompt alarm.
The near-end safety hook 31 of the backup rope 3 is hung on the back D-shaped ring 12, the waterproof connector is inserted to enable the connecting wire n57 to be electrically connected with the outgoing wire m56, which is equivalent to the switch K6 to be switched on, and the near-end safety hook 31 and the back D-shaped ring 12 are made of metal materials and have conductivity, so that the near-end safety hook 31 of the backup rope 3 is hung on the back D-shaped ring 12 to be electrically connected, which is equivalent to the switch K5 to be switched on; when the far-end safety hook 33 of the backup rope 3 bypasses the mast 6 and then is looped and hung on the backup rope metal net sleeve 32, the far-end safety hook 33 is electrically connected with the backup rope metal net sleeve 32, which is equivalent to the switch K3 is switched on, a connecting terminal P3, a leading-out wire a51, left and right D-shaped rings 11, a connecting wire c53, a back D-shaped ring 12, a near-end safety hook 31, a connecting wire e54, the backup rope metal net sleeve 32, the far-end safety hook 33, a connecting wire n57, a waterproof connector, a leading-out wire m56 and a connecting terminal P4 of the main control box 4 are sequentially and electrically connected, a backup rope unhooking on-off loop is formed between the connecting terminals P3 and P4 of the main control box 4, and the main control box 4 continuously scans the on-off condition of the loop after the startup and continuously feeds back level signals; when the near-end safety hook 31 or the far-end safety hook 33 of the backup rope is unhooked, which is equivalent to that K5 or K3 is disconnected, and the level value is zero, the main control box 4 triggers the voice module to perform corresponding prompt alarm.
The near-end safety hook 31 of the backup rope 3 is hung on the back D-shaped ring 12, a waterproof connector is inserted to enable the connecting wire n57 to be electrically connected with the outgoing wire m56, when the far-end safety hook 33 of the backup rope 3 is hung on any one of the back D-shaped ring 12 or the left and right D-shaped rings 11, the far-end safety hook 33 is electrically connected with the back D-shaped ring 12 or the left and right D-shaped rings 11, the switch K4 is equivalently switched on, the connecting terminal P3, the outgoing wire a51, the left and right D-shaped rings 11, the connecting wire c53, the far-end safety hook 33, the connecting wire n57, the waterproof connector, the outgoing wire m56 and the connecting terminal P4 of the main control box 4 are sequentially and electrically connected, a backup rope unhooking loop is formed between the connecting terminals P3 and P4 of the main control box 4, the on-off condition of the loop is continuously scanned after the power is turned on, and the level signal is continuously fed back; when the near-end safety hook 31 or the far-end safety hook 33 of the backup rope is unhooked, which is equivalent to that K5 or K3 is disconnected, and the level value is zero, the main control box 4 triggers the voice module to perform corresponding prompt alarm.
As shown in fig. 3 and 5, the connection terminal of the main control box 4 is further provided with connection terminals P1 and P5 for testing terminals, the connection terminal is connected with the connector module in the main control box 4, an outgoing line terminal connection test circuit is arranged in the connector module, the connection terminal is connected with the patch cord module to form an outgoing line and connection terminal on-off loop, when the connection terminals P1 and P5 are connected, the test loop is connected, the main control box 4 continuously scans the on-off condition of the loop, when the outgoing line 5 is not connected with the connection terminal, the test circuit sends corresponding non-connection information to the main control box 4, and the main control box 4 triggers the voice module to alarm;
when the safety hook is unhooked, the on-off loop where the safety hook is located is disconnected, or the wiring terminal is not connected with the outgoing line 5, the main control module of the main control box 4 senses low level, the voice module gives an alarm, and meanwhile the wireless communication module sends alarm information to remote monitoring personnel.
When the safety hooks are disconnected, the circular alarm is carried out in sequence according to the disconnection time until the safety hooks are reconnected. Because the condition that the contact between the safety hook and the D-shaped ring is poor is prevented in the using process, in order to prevent false alarm, a safety hook connection reliability detection program is further arranged in the main control box 4, the connection reliability detection program continuously scans all on-off circuits, the program identifies all information collected within 30ms as a group, whether reliable connection is achieved is judged through the on-off time of the circuits, and no alarm is given when the level signals are fed back by the 30ms combined algorithm.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides an aerial working unhook warning safety belt, is connected with on safety belt body (1) surrounding rod area (2), controls D type ring (11), back D type ring (12), is provided with insurance hook, its characterized in that respectively at the end of surrounding rod area (2) and the both ends of reserve rope (3):
a surrounding rod belt metal mesh sleeve (22) is arranged on the periphery of the fabric of the adjacent safety hook on the surrounding rod belt (2), a standby rope metal mesh sleeve (32) is arranged on the periphery of the fabric of the adjacent safety hook on the far end of the standby rope (3), and the surrounding rod belt safety hook (21), the near-end safety hook (31) and the far-end safety hook (33) on the standby rope (3), the left D-shaped ring (11), the right D-shaped ring (11) and the back D-shaped ring (12) are all made of conductive materials;
still including connecting main control box (4) at safety belt body (1) waist, main control box (4) form the break-make return circuit through lead-out wire and connecting wire on the safety belt.
2. The aerial work unhooking alarm safety belt of claim 1, wherein:
the main control box (4) comprises a main board, a battery, a switch button and a prompt lamp, and a main control module, a voice module, a power module, a wireless communication module, an interface module and a plug connector module are integrated on the main board;
the plug connector module of the main control box (4) is internally provided with three wiring terminals P2, P3 and P4 and two testing terminals P1 and P5, and a switch K7 is arranged between the P1 and the P5.
3. The aerial work unhooking alarm safety belt of claim 2, wherein:
leading-out wires or connecting wires are arranged in a heat-resisting pipe on the fabric of the safety belt body (1), a heat-shrinkable pipe on the fabric of the surrounding rod belt (2) and a heat-shrinkable pipe on the fabric of the backup rope (3); an outgoing line a (51) is arranged on a connecting terminal P3 of the main control box (4), an outgoing line b (55) is arranged on a connecting terminal P2, an outgoing line m (56) is arranged on the connecting terminal P4, a connecting line n (57) is arranged at the position of a far-end safety hook (33) of the backup rope (3), a connecting line e (54) is arranged at the position of a near-end safety hook (31), and a connecting line c (53) and a connecting line D (52) are arranged at the positions of left and right D-shaped rings (11).
4. The aerial work unhooking alarm safety belt of claim 3, wherein:
the outgoing line a (51) is arranged along the safety belt body fabric and connected to the left and right D-shaped rings (11); leading-out wires b (55) are arranged along the cloth of the surrounding rod belt and connected to the surrounding rod belt safety hook (21); leading-out wires m (56) are distributed on the fabric at the back D-shaped ring (12) along the fabric of the safety belt body; the connecting wire n (57) is laid on the fabric at the position of the safety hook (31) at the near end of the back-up rope (3) along the back-up rope fabric; the outgoing line m (56) and the connecting line n (57) are electrically connected through a waterproof connector at the joint of the back D-shaped ring (12) and the near-end safety hook (31) of the backup rope (3); the connecting line c (53) is connected to the back D-ring (12) along the harness body fabric; the connecting line d (52) is arranged along the surrounding rod belt fabric and connected to the surrounding rod belt metal mesh sleeve (22); a connecting wire e (54) is routed along the back-up cord fabric and connected to the back-up cord metal mesh (32).
5. The aerial work unhook warning harness of claim 4 wherein: the length of the surrounding rod belt metal mesh (22) and the length of the back-up rope metal mesh (32) are 20-40 cm.
6. The aerial work unhook warning harness of claim 4 wherein: tension-resistant leading-out wires or connecting wires are preset in the fabrics of the surrounding rod belts (2) and the back-up ropes (3).
7. The aerial work unhook warning harness of claim 4 wherein: and a safety hook connection reliability detection program is arranged in the main control box (4).
CN202211086904.1A 2022-09-07 2022-09-07 Unhooking alarm safety belt for overhead operation Active CN115445114B (en)

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