CN111544861A - Handheld anti-falling safety device matched with safety belt and application method thereof - Google Patents
Handheld anti-falling safety device matched with safety belt and application method thereof Download PDFInfo
- Publication number
- CN111544861A CN111544861A CN202010489289.3A CN202010489289A CN111544861A CN 111544861 A CN111544861 A CN 111544861A CN 202010489289 A CN202010489289 A CN 202010489289A CN 111544861 A CN111544861 A CN 111544861A
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- safety device
- safety
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- locking
- safety belt
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000009194 climbing Effects 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 12
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002493 climbing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006996 mental state Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B27/00—Apparatus for climbing poles, trees, or the like
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
Abstract
The invention discloses a hand-held anti-falling safety device matched with a safety belt and an application method thereof. The safety device is respectively held by two hands of an operator, and the upper foot nail and the lower foot nail are alternately clamped and loosened to complete safe upper and lower pole towers. When stepping on empty appearing in the climbing, have had at least one in two safeties to press from both sides tight foot nail, operation personnel's weight acts on two turning arm ends through the safety belt, makes the tight foot nail of the clamp section that two turning arms can be firmly to hang operation personnel through the safety belt and avoid falling the injury.
Description
Technical Field
The invention belongs to the field of transmission line operation, and particularly relates to a handheld anti-falling safety device matched with a safety belt and an application method thereof.
Background
The transmission lines are distributed throughout cities and rural areas of China. No matter the line installation, operation and maintenance work, line workers need to frequently go up and down the tower to carry out high-altitude operation. When line operating personnel climb up and down the tower, personal protection is affected by self mental state, physical condition, technical skill and surrounding environment factors, and if a certain link goes wrong, a serious accident that the personnel fall from a high place can happen. In addition, the line accident first-aid repair operation is often carried out under the condition of relatively severe natural conditions such as strong wind, thunderstorm, hail, heavy fog, sand storm and the like, so that the personal safety of the high-altitude operation personnel can be ensured only by taking necessary safety measures for preventing high-altitude falling.
The traditional protective measures such as safety belts, anti-falling rails and the like have respective defects. Adopt the principle of hanging low usefulness of height in the safety belt use, the maintainer displacement all need bow, loose area, climbing, hang the area at every turn, and the circulation is reciprocal, has prolonged the climbing time greatly, has also consumed maintainer's physical power seriously, especially under adverse conditions such as high temperature, the physical power that the climbing consumed is more than ordinary twice. When the anti-falling rail is used, on one hand, due to the influence of the technical skills of maintainers, the anti-falling device is likely to be locked by mistake when the climbing action is inconsistent, and the maintainers have to manually restore the anti-falling device to a normal state, which wastes time and labor; on the other hand, the installation process of the anti-falling rail is influenced by the technical level, and if the connected parts have the problems of dislocation, uneven connection and the like, the climbing process of the maintainers is seriously influenced; and the anti-falling rail has high investment and long installation period.
Disclosure of Invention
The invention aims to provide a handheld anti-falling device capable of directly climbing foot nails on a tower and an application method thereof, and simultaneously, the safety of an operator in the climbing process can be ensured through the matching of a safety belt worn by the operator and the device.
The invention provides a hand-held anti-falling safety device matched with a safety belt, which comprises a first crank arm and a second crank arm, wherein the middle parts of the two crank arms are hinged into a pincer type structure through a pin shaft, a buckling structure and a locking structure which can be opened and closed are respectively arranged between the two crank arms corresponding to the front part and the rear part of the pin shaft, the locking structure is locked while the buckling structure is closed, the two crank arms hold foot nails on a tower, the buckling structure is separated when the locking structure is opened, the foot nails are loosened from the two crank arms, and safety belt connecting rings are arranged on the two crank arms.
In an embodiment of the above technical scheme, the front and rear of the corner of the first crank arm and the second crank arm are respectively a clamping section and an opening and closing locking section, the fastening structure is located at the front end of the clamping section, the locking structure is located at the front part of the opening and closing locking section, and the tail end of the opening and closing locking section is provided with a circular ring as a safety belt connecting ring.
In one embodiment of the above technical scheme, the front ends of the clamping sections of the two crank arms are provided with opposite bending sections, the tail end of one bending section is provided with a protruding head, the tail end of the other bending section is provided with a corresponding groove, and the protruding head and the groove are used as the buckling structure.
In one embodiment of the above technical solution, the hinge structure at the middle of the two crank arms is an embedded structure, the middle of the two crank arms is provided with embedded grooves of corresponding size, a pin shaft mounting hole is arranged at the center of one of the embedded grooves, a convex column extending into the corresponding embedded groove is arranged at the center of the other embedded groove, and a pin shaft mounting hole is arranged at the axial center of the convex column.
In one embodiment of the above technical solution, the pin shaft is a T-shaped head groove pin, an annular groove is formed at the end section of the rod body, and a split washer is matched with the annular groove.
In one embodiment of the above technical scheme, when the middle parts of the two crank arms are hinged, the two grooves are opposite, the convex column is inserted into the pin shaft mounting hole at the center of the groove of the other crank arm, the T-shaped head groove pin is inserted into the pin shaft mounting hole at the axial center of the convex column, one end is limited by the T-shaped head, and the other end is limited by the split washer.
In one embodiment of the above technical scheme, a plug extending toward the inner side of the other crank arm is arranged on the inner side of the opening and closing locking section of one crank arm, an embedded groove is arranged on the opening and closing section of the other crank arm, the plug corresponds to the front end of the embedded groove, a locking groove is arranged on the side wall of the plug, an electric mortise lock is installed in the embedded groove, a lock tongue of the electric mortise lock is inserted into the locking groove to be locked when extending out, and the plug and the electric mortise lock are used as the locking structure.
In one embodiment of the above technical scheme, the electric mortise lock is of a power-on unlocking type, and the mounting plate and the crank arm of the electric mortise lock are fixedly connected through screws.
In one embodiment of the above technical solution, a photoelectric diffuse reflection sensor is installed at the end of the bending section of the crank arm clamping section.
The method for climbing the tower by the device comprises the following steps:
initial state setting of safety device
Two crank arms of the safety device are opened, the power-on and power-off time of the electric mortise lock is set, the initial state of the electric mortise lock is a power-off state, and the lock tongue extends out of the lock body;
secondly, the worker wears two safety belts and respectively passes through the circular rings at the tail ends of the crank arm opening and closing locking sections of the two safeties and then fixes the safety belts;
third, the handheld safeties of operation personnel scramble shaft tower
(1) The two hands of an operator respectively hold the safety device, the clamping sections of the two crank arms of the safety device clamp the two foot nails at the bottom of the rod tower, the opening and closing locking sections of the two crank arms are buckled, and the lock tongue of the electric mortise lock is inserted into the groove on the plug bolt for locking;
(2) the electric latch of the safety device on one side is electrified, the bolt of the safety device is retracted, the safety device loosens the foot nail, and the safety device on the other side keeps clamping the foot nail;
(3) an operator holds the safety device with a hand at the side of loosening the pins and extends upwards to enable the safety device at the side to clamp the pins above, and when the two crank arms of the safety device are buckled and clamped with the pins, the position sensors on the crank arms send electric signals to the electric mortise lock on the safety device at the other side;
(4) the electric mortise lock on the other side safety device receives an electric signal and is electrified, the lock tongue is retracted, and the side safety device loosens the foot nail;
sequentially clamping the pins upwards and loosening the pins to climb to the designated positions left and right according to the steps (2) - (4);
and (4) operating the lower tower reversely according to the steps (2) to (4).
The two crank arms of the safety device are provided with buckling structures for clamping the pins and locking structures matched with the buckling structures, so that the two crank arms have enough clamping force and stability when clamping the pins. The left hand and the right hand of the operator respectively hold one safety device, and the upper foot nail and the lower foot nail are alternately clamped and loosened to complete safe up-down of the tower. When the condition that the operator steps on the foot to be empty appears in the climbing process, at least one of the two safety devices on the hand clamps the foot nail, and the weight of the operator acts on the tail ends of the two crank arms of the safety devices through the safety belt to firmly lock the two crank arms, so that the clamping sections of the two crank arms can firmly clamp the foot nail, the operator can be hung by the safety belt, and the injury caused by falling is avoided. By using the device, the complicated processes of stooping, loosening, climbing and hanging the belt when only the safety belt is used are avoided, and the physical consumption of maintainers is reduced; and in the using process of the device, the anti-falling rail is not needed, a series of problems caused by the use of the anti-falling rail are thoroughly avoided, and the life safety of the operating personnel in the pole climbing process can be safely and effectively guaranteed.
Drawings
FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention.
Fig. 2 is a schematic three-dimensional structure diagram of the first crank arm in fig. 1.
Fig. 3 is a schematic three-dimensional structure diagram of the second crank arm in fig. 1.
Detailed Description
As can be seen from fig. 1 to 3, the handheld anti-falling safety device for cooperation with a safety belt disclosed in the present embodiment includes a first crank arm 1, a second crank arm 2, a pin 3, and an electric plug lock 4.
The front and the rear of the turning positions of the first crank arm 1 and the second crank arm 2 are respectively a clamping section and an opening and closing locking section, and the front ends of the clamping sections are provided with 90-degree bending sections in opposite directions.
The tail end of the bending section of the first crank arm 1 is provided with a protruding head 11 which extends out, the tail end of the bending section of the second crank arm 2 is provided with a corresponding groove, and the protruding head 11 and the groove are combined to form a buckling structure for clamping the foot nail.
The tail end of the bending section of the first crank arm or the second crank arm is provided with a photoelectric diffuse reflection sensor, preferably LTD-03NO (the photoelectric diffuse reflection sensor is not shown in the figure).
The tail ends of the opening and closing locking sections of the two crank arms are provided with circular rings which are opposite up and down.
The hinge structure in the middle of the two crank arms is an embedded structure, the middle of the two crank arms is provided with embedded grooves with corresponding sizes, wherein the center position of the embedded groove on the second crank arm 2 is provided with a pin shaft mounting hole 21, the center position of the embedded groove on the first crank arm 1 is provided with a convex column 12 extending into the embedded groove on the first crank arm, and the axial center of the convex column is provided with a pin shaft mounting hole 21.
The pin shaft 3 is a T-shaped head groove pin, an annular groove is arranged at the tail end section of the rod body of the pin shaft, and a split retainer ring 5 is matched with the annular groove.
When the middle parts of the two crank arms are hinged, the two embedded grooves are opposite, the convex column 12 on the first crank arm is inserted into the pin shaft mounting hole on the second crank arm, the T-shaped head groove pin 3 is inserted into the pin shaft mounting hole at the axial center of the convex column, one end is limited by the T-shaped head, and the other end is limited by the split washer 5.
The inner side of the opening and closing locking section of the first crank arm 1 is provided with a plug 13 extending towards the inner side of the other crank arm, the opening and closing section of the second crank arm is provided with an embedded groove 22, the plug 13 corresponds to the front end of the embedded groove 22, the side wall of the plug 13 is provided with a locking groove 131, an electric plug lock 4 is installed in the embedded groove 22, and when the lock tongue of the electric plug lock 4 extends, the plug is inserted into the locking groove to be locked so that the two crank arms are locked.
The electric plug lock 4 of the embodiment is in a power-off unlocking shape, and the mounting plate 41 of the electric plug lock is fixedly connected with the second crank arm 2 through screws.
The safety device comprises the following specific steps in use:
initial state setting of safety device
The two crank arms of the safety device are opened to set the on-off time of the electric mortise lock, the initial state of the electric mortise lock is the off state, and the bolt extends out of the lock body. I.e. to define the power-off state of the electric plug lock as an initial state,
secondly, two safety belts worn by an operator respectively penetrate through the circular rings at the tail ends of the crank arm opening and closing locking sections of the two safeties and then are fixed;
third, the handheld safeties of operation personnel scramble shaft tower
(1) The safety device is held by two hands of an operator respectively, the two foot nails at the bottom of the clamping rod tower of the clamping sections of the two crank arms of the safety device are clamped, meanwhile, the opening and closing locking sections of the two crank arms are buckled, and the lock tongue of the electric mortise lock is inserted into the groove on the plug bolt for locking. This is the initial state during climbing.
(2) The electric latch of the safety device on one side is electrified, the bolt of the safety device is retracted, the safety device loosens the foot nail, and the safety device on the other side keeps clamping the foot nail;
(3) an operator holds the safety device with a hand at the side of loosening the pins and extends upwards to enable the safety device at the side to clamp the pins above, and when the two crank arms of the safety device are buckled and clamped with the pins, the position sensors on the crank arms send electric signals to the electric mortise lock on the safety device at the other side;
(4) the electric latch on the safety device on the other side is electrified after receiving an electric signal, the lock tongue is retracted, and the safety device on the side releases the foot nail. The duration of the electric signal is set according to actual conditions, and generally, two seconds is suitable.
Sequentially clamping the pins upwards and loosening the pins to climb to the designated positions left and right according to the steps (2) - (4);
and (4) operating the lower tower reversely according to the steps (2) to (4).
The two crank arms of the safety device are provided with a buckling structure for clamping the foot nails and a locking structure matched with the buckling structure, so that the two crank arms have enough clamping force and stability when clamping the foot nails. The left hand and the right hand of the operator respectively hold one safety device, and the upper foot nail and the lower foot nail are alternately clamped and loosened to complete safe up-down of the tower. When the condition that the operator steps on the foot to be empty appears in the climbing process, at least one of the two safety devices on the hand clamps the foot nail, and the weight of the operator acts on the tail ends of the two crank arms of the safety devices through the safety belt to firmly lock the two crank arms, so that the clamping sections of the two crank arms can firmly clamp the foot nail, the operator can be hung by the safety belt, and the injury caused by falling is avoided. By using the device, the complicated processes of stooping, loosening, climbing and hanging the belt when only the safety belt is used are avoided, and the physical consumption of maintainers is reduced; and in the using process of the device, the anti-falling rail is not needed, a series of problems caused by the use of the anti-falling rail are thoroughly avoided, and the life safety of the operating personnel in the pole climbing process can be safely and effectively guaranteed.
Claims (10)
1. A hand-held fall protection safety device for use with a safety belt, comprising: the novel tower pole locking device comprises a first connecting lever and a second connecting lever, the middle parts of the two connecting levers are hinged into a pincer type structure through a pin shaft, a buckling structure and a locking structure which can be opened and closed are arranged in the front and the rear of the two connecting levers corresponding to the pin shaft respectively, the locking structure is locked while the buckling structure is closed, the two connecting levers hold foot nails on a tower, the buckling structure is separated when the locking structure is opened, the foot nails are loosened by the two connecting levers, and safety belt connecting rings are arranged on the two connecting levers.
2. The hand-held fall arrest safety device in cooperation with a safety belt of claim 1, wherein: the front and the rear of the first crank arm and the second crank arm are respectively provided with a clamping section and an opening and closing locking section, the buckling structure is positioned at the front end of the clamping section, the locking structure is positioned at the front part of the opening and closing locking section, and the tail end of the opening and closing locking section is provided with a circular ring as a safety belt connecting ring.
3. The hand-held fall arrest safety device in cooperation with a safety belt of claim 2, wherein: the front ends of the clamping sections of the two crank arms are provided with opposite bending sections, the tail end of one bending section is provided with a protruding head, the tail end of the other bending section is provided with a corresponding groove, and the protruding head and the groove are used as the buckling structure.
4. The hand-held fall arrest safety device in cooperation with a safety belt of claim 2, wherein: the hinge structure in the middle of the two crank arms is an embedded structure, the middle of the two crank arms is provided with embedded grooves with corresponding sizes, the central position of one embedded groove is provided with a pin shaft mounting hole, the central position of the other embedded groove is provided with a convex column extending into the corresponding embedded groove, and the axial center of the convex column is provided with a pin shaft mounting hole.
5. The hand-held fall arrest safety device in cooperation with a safety belt of claim 4, wherein: the pin shaft is a T-shaped head groove pin, an annular groove is formed in the tail end section of the rod body of the pin shaft, and a split check ring is matched with the annular groove.
6. The hand-held fall arrest safety device in cooperation with a safety belt of claim 5, wherein: when the middle parts of the two crank arms are hinged, the two grooves are opposite, the convex column is inserted into the pin shaft mounting hole at the center of the groove of the other crank arm, the T-shaped head groove pin is inserted into the pin shaft mounting hole at the axial center of the convex column, one end of the T-shaped head is limited by the T-shaped head, and the other end of the T-shaped head is limited by the split washer.
7. The hand-held fall arrest safety device in cooperation with a safety belt according to claim 6, wherein: the inner side of the opening and closing locking section of one crank arm is provided with a plug extending towards the inner side of the other crank arm, the opening and closing section of the other crank arm is provided with an embedded groove, the plug corresponds to the front end of the embedded groove, the side wall of the plug is provided with a locking groove, an electric mortise lock is installed in the embedded groove, a lock tongue of the electric mortise lock is inserted into the locking groove to be locked when extending out, and the plug and the electric mortise lock are used as the locking structure.
8. The hand-held fall arrest safety device in cooperation with a safety belt of claim 7, wherein: the electric mortise lock is of a power-on unlocking type, and the mounting plate and the crank arm of the electric mortise lock are fixedly connected through screws.
9. The hand-held fall arrest safety device in cooperation with a safety belt of claim 2, wherein: and the tail end of the bending section of the crank arm clamping section is provided with a photoelectric diffuse reflection sensor.
10. A method of climbing a pole tower foot peg using the apparatus of claim 8, comprising the steps of:
initial state setting of safety device
Two crank arms of the safety device are opened, the power-on and power-off time of the electric mortise lock is set, the initial state of the electric mortise lock is a power-off state, and the lock tongue extends out of the lock body;
secondly, the worker wears two safety belts and respectively passes through the circular rings at the tail ends of the crank arm opening and closing locking sections of the two safeties and then fixes the safety belts;
third, the handheld safeties of operation personnel scramble shaft tower
(1) The two hands of an operator respectively hold the safety device, the clamping sections of the two crank arms of the safety device clamp the two foot nails at the bottom of the rod tower, the opening and closing locking sections of the two crank arms are buckled, and the lock tongue of the electric mortise lock is inserted into the groove on the plug bolt for locking;
(2) the electric latch of the safety device on one side is electrified, the bolt of the safety device is retracted, the safety device loosens the foot nail, and the safety device on the other side keeps clamping the foot nail;
(3) an operator holds the safety device with a hand at the side of loosening the pins and extends upwards to enable the safety device at the side to clamp the pins above, and when the two crank arms of the safety device are buckled and clamped with the pins, the position sensors on the crank arms send electric signals to the electric mortise lock on the safety device at the other side;
(4) the electric mortise lock on the other side safety device receives an electric signal and is electrified, the lock tongue is retracted, and the side safety device loosens the foot nail;
sequentially clamping the pins upwards and loosening the pins to climb to the designated positions left and right according to the steps (2) - (4);
and (4) operating the lower tower reversely according to the steps (2) to (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489289.3A CN111544861A (en) | 2020-06-02 | 2020-06-02 | Handheld anti-falling safety device matched with safety belt and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489289.3A CN111544861A (en) | 2020-06-02 | 2020-06-02 | Handheld anti-falling safety device matched with safety belt and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111544861A true CN111544861A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010489289.3A Pending CN111544861A (en) | 2020-06-02 | 2020-06-02 | Handheld anti-falling safety device matched with safety belt and application method thereof |
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| CN (1) | CN111544861A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169210A (en) * | 2020-09-04 | 2021-01-05 | 国网山东省电力公司潍坊供电公司 | Anti-falling sleeve for iron tower climbing and use method |
| CN112516480A (en) * | 2020-10-22 | 2021-03-19 | 国网浙江省电力有限公司温州供电公司 | Method for climbing iron tower of power transmission line |
| CN115487438A (en) * | 2022-09-14 | 2022-12-20 | 广东电网有限责任公司 | Anti-falling device for iron tower |
-
2020
- 2020-06-02 CN CN202010489289.3A patent/CN111544861A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169210A (en) * | 2020-09-04 | 2021-01-05 | 国网山东省电力公司潍坊供电公司 | Anti-falling sleeve for iron tower climbing and use method |
| CN112516480A (en) * | 2020-10-22 | 2021-03-19 | 国网浙江省电力有限公司温州供电公司 | Method for climbing iron tower of power transmission line |
| CN115487438A (en) * | 2022-09-14 | 2022-12-20 | 广东电网有限责任公司 | Anti-falling device for iron tower |
| CN115487438B (en) * | 2022-09-14 | 2023-08-11 | 广东电网有限责任公司 | Anti-falling device for iron tower |
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