CN212369510U - A hand-held anti-fall safety device used in conjunction with a safety belt - Google Patents
A hand-held anti-fall safety device used in conjunction with a safety belt Download PDFInfo
- Publication number
- CN212369510U CN212369510U CN202020980023.4U CN202020980023U CN212369510U CN 212369510 U CN212369510 U CN 212369510U CN 202020980023 U CN202020980023 U CN 202020980023U CN 212369510 U CN212369510 U CN 212369510U
- Authority
- CN
- China
- Prior art keywords
- arms
- safety belt
- hand
- safety device
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000009194 climbing Effects 0.000 abstract description 13
- 238000002788 crimping Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 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
Images
Landscapes
- Emergency Lowering Means (AREA)
Abstract
本实用新型公开了一种与安全带配合用的手持式防坠保险装置，包括第一拐臂和第二拐臂，两拐臂的中部通过销轴铰接成钳式结构，两拐臂之间对应销轴的前、后方分别有可开合的扣合结构和锁定结构，锁定结构锁定的同时扣合结构合上，保证足够的夹紧力和稳定性，两拐臂握住杆塔上的脚钉，锁定结构打开时扣合结构分离，两拐臂松开脚钉，两拐臂上均有安全带连接环。作业人员的两手分别握持保险装置，交替夹紧和松开上下脚钉，完成安全上下杆塔。攀爬中出现踩空时，两保险装置中至少有一个夹紧了脚钉，作业人员的重量通过安全带作用于两拐臂末端，使两拐臂的夹持段可牢牢的夹紧脚钉，从而通过安全带将作业人员吊住避免摔伤。
The utility model discloses a hand-held anti-fall safety device used in conjunction with a safety belt, comprising a first crutch arm and a second crutch arm. The front and rear of the corresponding pin shaft are respectively provided with an openable buckle structure and a locking structure. When the locking structure is locked, the buckle structure is closed at the same time to ensure sufficient clamping force and stability. The two arms hold the feet on the tower. When the locking structure is opened, the buckling structure is separated, the two crooked arms release the foot pegs, and the two crooked arms are provided with safety belt connecting rings. The operator holds the safety device with both hands, alternately clamps and loosens the upper and lower foot nails, and completes the safe upper and lower towers. When stepping down during climbing, at least one of the two safety devices clamps the foot pegs, and the operator's weight acts on the ends of the two crimping arms through the safety belt, so that the clamping sections of the two crimping arms can firmly clamp the feet. nails, so that the operator can be suspended by the safety belt to avoid falling.
Description
Technical Field
The utility model belongs to transmission line operation field specifically is a prevent weighing down safeties with hand-held type that the safety belt cooperateed usefulness.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can directly scramble hand-held type anti-falling device of foot nail on shaft tower, the safety belt that the accessible operation personnel dressed guarantees the safety of operation personnel climbing in-process with the device's cooperation.
The utility model provides a hand-held type that matches usefulness with safety belt prevents weighing down safeties, including first turning arm and second turning arm, the middle part of two turning arms articulates into pincer type structure through the round pin axle, corresponds the round pin axle between two turning arms preceding, the rear has lock structure and the locking structure that can open and shut respectively, lock structure closes when the locking structure locking, and the foot nail on the shaft tower is held to two turning arms, and lock structure separates when opening, and the foot nail is loosened to two turning arms, all has the safety belt go-between on two turning 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 utility model discloses a two turning arms of safeties have the lock structure of pressing from both sides tight foot nail and with the supporting locking structure of lock structure, make two turning arms press from both sides tight foot nail occasionally sufficient clamp force and stability. 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 diagram 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 (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980023.4U CN212369510U (en) | 2020-06-02 | 2020-06-02 | A hand-held anti-fall safety device used in conjunction with a safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980023.4U CN212369510U (en) | 2020-06-02 | 2020-06-02 | A hand-held anti-fall safety device used in conjunction with a safety belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212369510U true CN212369510U (en) | 2021-01-19 |
Family
ID=74179380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020980023.4U Active CN212369510U (en) | 2020-06-02 | 2020-06-02 | A hand-held anti-fall safety device used in conjunction with a safety belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212369510U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544861A (en) * | 2020-06-02 | 2020-08-18 | 国网湖南省电力有限公司 | A hand-held anti-fall safety device used in conjunction with a safety belt and its application method |
| CN115120903A (en) * | 2022-06-27 | 2022-09-30 | 国网湖南省电力有限公司 | A safe hand-held iron tower foot nail fall arrester and application method thereof |
-
2020
- 2020-06-02 CN CN202020980023.4U patent/CN212369510U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544861A (en) * | 2020-06-02 | 2020-08-18 | 国网湖南省电力有限公司 | A hand-held anti-fall safety device used in conjunction with a safety belt and its application method |
| CN111544861B (en) * | 2020-06-02 | 2025-03-04 | 国网湖南省电力有限公司 | A handheld anti-falling safety device used in conjunction with a safety belt and its application method |
| CN115120903A (en) * | 2022-06-27 | 2022-09-30 | 国网湖南省电力有限公司 | A safe hand-held iron tower foot nail fall arrester and application method thereof |
| CN115120903B (en) * | 2022-06-27 | 2023-03-14 | 国网湖南省电力有限公司 | Safe handheld iron tower foot nail falling protector and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212369510U (en) | A hand-held anti-fall safety device used in conjunction with a safety belt | |
| CN111544861A (en) | A hand-held anti-fall safety device used in conjunction with a safety belt and its application method | |
| CN211183126U (en) | Anti-falling safety ring for climbing insulating rope ladder | |
| CN109882065B (en) | General type steel frame cat ladder climbing device | |
| CN201067590Y (en) | Transmission line pole tower ascent protecting device | |
| CN210003199U (en) | general type steelframe cat ladder climbing equipment | |
| CN112704858B (en) | Climbing device with adjustable bayonet | |
| CN212715822U (en) | Lifting frame | |
| CN109881973B (en) | Rail guard is used in hydraulic engineering construction | |
| CN211573368U (en) | Ladder fixed knot constructs and ladder for building | |
| CN211018037U (en) | A overhaul hoist for iron tower is maintained | |
| CN210217327U (en) | Sanitary tent with strong stability | |
| CN112807578A (en) | Climbing device with self-locking function | |
| CN217593651U (en) | Anti-falling rope structure for elevator maintenance | |
| CN221451548U (en) | Iron tower climbing anti-falling device | |
| CN207591135U (en) | Entrucking personnel safety band hitching frame | |
| KR100289693B1 (en) | Hooked Manhole Cover Switch | |
| CN216247470U (en) | Building is managed with concrete strength testing arrangement | |
| CN222066120U (en) | A scaffolding safety ladder structure | |
| CN216358765U (en) | High altitude construction prevents instrument of falling | |
| CN218001391U (en) | Conveniently assembled stage lighting equipment | |
| CN220578707U (en) | Cabin sling | |
| CN211690542U (en) | Water conservancy well head protector | |
| CN222667521U (en) | A construction frame for engineering | |
| CN213667631U (en) | Hand-held tower falling protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |