CN116650859B - Manual ascending anti-falling protection device - Google Patents
Manual ascending anti-falling protection deviceInfo
- Publication number
- CN116650859B CN116650859B CN202310812221.8A CN202310812221A CN116650859B CN 116650859 B CN116650859 B CN 116650859B CN 202310812221 A CN202310812221 A CN 202310812221A CN 116650859 B CN116650859 B CN 116650859B
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- China
- Prior art keywords
- hook
- lifting
- rod
- pin
- lifting rod
- Prior art date
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Classifications
-
- 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
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a manual ascending anti-falling protection device which comprises a lifting hook mechanism and a hanging hook mechanism detachably connected below the lifting hook mechanism, wherein the hanging hook mechanism comprises supporting guide components, a buckling claw is driven to rotate by a lifting component arranged between the supporting guide components to realize opening and closing, the lifting hook mechanism comprises a suspender component and a lifting appliance component connected with the lower end of the suspender component, the lifting appliance component comprises two lifting hooks which are arranged in a splayed shape, and a pin roll is driven by a transmission mechanism to be pulled out or pushed into a lifting hook fixing block and a square hole. The buffer part is fixedly arranged at the lower end of the boom fixing seat, so that impact on the unmanned aerial vehicle in the process of lifting, hanging and dismantling is avoided, the unmanned aerial vehicle is not influenced negatively even if hovering is unstable due to wind, two splayed hooks are arranged, and a chute at the upper part of the hook mechanism is inverted splayed, so that the difficulty in hanging and dismantling the unmanned aerial vehicle is greatly reduced, the dependence on the precision of the unmanned aerial vehicle is reduced, and the use is more convenient.
Description
Technical Field
The invention relates to the field of safety equipment of power systems, in particular to a manual ascending anti-falling protection device.
Background
The tower of the power transmission line needs to be maintained regularly, when in operation, an operator needs to climb the tower to perform overhead operation, and when climbing the tower, the operator needs to wear the anti-falling device. The suspended anti-falling device is generally temporarily installed and suspended on the pole tower by a first pole climbing operator when the suspended anti-falling device is required to be used, and is taken down by a last pole climbing operator after the work is finished, so that the first pole climbing operator is protected by the anti-falling device in the pole tower climbing process and the last pole climbing operator is protected by the anti-falling device in the pole tower descending process, personal safety of each worker cannot be guaranteed, and the overall danger coefficient of pole climbing is increased.
Later, prevent weighing down the device and combine the use with unmanned aerial vehicle, prevent weighing down the device and generally include lifting hook mechanism and couple mechanism two parts, lifting hook mechanism and couple mechanism are detachable connection, hang couple mechanism to shaft tower cross arm or on the tower bracing piece by unmanned aerial vehicle after lifting hook mechanism and couple mechanism connect.
The existing anti-falling device has some improvement spaces, on one hand, the lifting hook mechanism has a certain impact on the unmanned aerial vehicle in the lifting, falling, hanging and dismantling processes, the stability of the whole device is affected by the instability of the unmanned aerial vehicle hovering in case of wind, the hanging and locking difficulty of the hanging hook mechanism when the hanging hook mechanism is hung on a tower cross arm is high, the requirement on the precision of the unmanned aerial vehicle is high, and on the other hand, the butt joint process of the lifting hook mechanism and the hanging hook mechanism is complex, so that the accuracy and the improvement on the working efficiency are not facilitated.
Disclosure of Invention
In order to overcome the defects in the prior art, a manual ascending anti-falling protection device is provided to solve the problems in the background art.
In order to achieve the above object, the present invention is realized by the following technical scheme:
The utility model provides a artifical anti-falling protection device that ascends a height, includes hook mechanism and can dismantle the couple mechanism of connection in hook mechanism below, and hook mechanism includes supports the direction subassembly, is provided with between the support direction subassembly The buckling claw is driven by a lifting assembly arranged between the supporting and guiding assemblies to rotate so as to realize opening and closing, a chute which is inverted splayed is further arranged above the lifting assembly, and a square hole is formed in the lower portion of the chute;
the lifting hook mechanism comprises a lifting rod assembly and a lifting tool assembly connected with the lower end of the lifting rod assembly, the lifting tool assembly comprises two lifting hooks which are arranged in a splayed manner, a lifting hook fixing block is arranged on the upper portion of the connecting position of the two lifting hooks, a pin shaft capable of moving left and right is arranged in the lifting hook fixing block in a sliding manner, and the pin shaft is driven by a transmission mechanism to be pulled out or pushed into the lifting hook fixing block and the square hole.
According to a further technical scheme, the boom assembly comprises a boom fixing seat connected with an unmanned aerial vehicle, a buffer part is fixedly arranged at the lower end of the boom fixing seat, the buffer part comprises a cylindrical buffer bin, the upper end of the buffer bin is fixedly connected with the boom fixing seat, a vertically compressible spring is arranged in an inner cavity of the buffer bin, a flange rod is further arranged in the inner cavity of the buffer bin, a flange rod disc is arranged at the upper part of the flange rod, the flange rod disc presses the upper end of the spring, and the lower end of the flange rod penetrates out of the middle of the spring and then extends to the lower part of the buffer bin.
As a further technical scheme of the invention, the lower end of the buffer part is connected with a boom part, the boom part comprises a first boom, the upper end of the first boom is hinged with the lower end of the flange rod through a cross connector, the lower end of the second boom is hinged with a second boom, the lower end of the second boom is hinged with a third boom, and the lower end of the third boom is hinged with a boom connector.
As a further technical scheme of the invention, the two lifting hooks comprise a lifting hook front plate and a lifting hook rear plate, wherein one lifting hook is internally provided with a control box, and the other lifting hook is internally provided with a battery box.
The invention further adopts the technical scheme that the transmission mechanism comprises a rotatable rotating block, a rear support arm is fixedly connected to the upper part of the rotating block, a front support arm is hinged to one end, far away from the rotating block, of the rear support arm, one end, far away from the rear support arm, of the front support arm is hinged to a pin shaft, a flange plate is fixedly connected to one side of the rotating block, the flange plate is driven to rotate by a motor shaft of a motor, the motor is arranged in a motor fixing block, the motor fixing block is fixedly arranged on a lifting hook rear plate, the motor is electrically connected with a control box, a limiting plate is fixedly connected to the lower part of the rotating block, a limiting sensor for detecting the limiting plate is further arranged in the lifting hook, and the limiting sensor is electrically connected with the control box.
According to the further technical scheme, a square groove is formed in the lower portion of the lifting hook fixing block, an upper camera used for observing the telescopic condition of the pin shaft is arranged on the lifting hook fixing block, a first camera is arranged below the control box, and a second camera is arranged below the battery box.
The support guide assembly comprises a front hook and a rear hook which are symmetrically arranged at intervals, wherein the front hook and the rear hook are fixed through front and rear hook fixing bolts;
the support guide assembly further comprises a front guide frame and a rear guide frame which are symmetrically arranged at intervals, the front guide frame and the rear guide frame are respectively connected with the right sides of the front hook and the rear hook through guide frame fixing bolts, and the front guide frame and the rear guide frame incline to one side far away from the support guide assembly;
the front hook and the lower end of the rear hook are fixedly provided with tension pins, universal joint connectors are hung on the tension pins, the lower ends of the universal joint connectors extend out of the lower ends of the front hook and the rear hook and are connected with protection ropes, and anti-falling self-locking devices are arranged on the protection ropes.
According to a further technical scheme, the lifting assembly comprises a lifting rod sleeve fixedly arranged between a front hook and a rear hook, the upper portion of the lifting rod sleeve extends out of the front hook and the rear hook, a lifting rod is slidably arranged in the lifting rod sleeve, the upper portion of the lifting rod extends out of the lifting rod sleeve, lifting rod pins sliding along with the lifting rod sleeve are arranged at the lower portion of the lifting rod, the lifting rod pins transversely penetrate through the front side surface and the rear side surface of the lifting rod, an inverted L-shaped sliding groove I is formed in the upper end of the left side of a buckling claw, the lifting rod pins are slidably arranged in the sliding groove I, a buckling claw pin is arranged above the right side of the buckling claw, sequentially penetrates through the front hook, the buckling claw and the rear hook, and the buckling claw can rotate around the buckling claw pin.
According to the further technical scheme, an iron block is arranged at the lower end of the lifting rod, a magnet is arranged below the iron block and is arranged on a magnet fixing seat, and the magnet fixing seat is fixedly arranged on a front hook and a rear hook; the iron blocks are arranged at two sides of the buckling claws, the iron blocks are arranged on the lifting rod pins, the magnets and the magnet fixing seats are both arranged at two, a first gap for the buckling claws to pass through is reserved between the two magnets and the two magnet fixing seats, and a second gap for the buckling claws to rotate is reserved at the sides of the lifting rod and the lifting rod sleeve.
As a further technical scheme, the upper end of the lifting rod is provided with a guide rail sleeve, the guide rail sleeve is connected with the lower end of the chute, and the chute and the guide rail sleeve are fixed on the lifting rod through a chute fixing bolt.
The invention has the beneficial effects that:
The lower end of the boom fixing seat is fixedly provided with the buffer part, the inner cavity of the buffer bin is provided with the spring which can be compressed vertically, the flange rod disc presses the upper end of the spring, and the impact on the unmanned aerial vehicle in the lifting, hanging and dismantling process is avoided while the vibration is damped, so that the device is more stable and reliable.
According to the invention, the boom assembly is arranged, and the redundancy of the hovering position of the unmanned aerial vehicle when the device is hung or detached is formed through the three-section hinged booms, so that the device is not adversely affected even if the unmanned aerial vehicle hovers unstably due to wind.
According to the invention, the two splayed hooks are arranged, and the chute at the upper part of the hook mechanism is in an inverted splayed shape, so that the difficulty in hanging and dismantling the device is greatly reduced when the hook mechanism and the hook mechanism are in butt joint, the efficiency of hanging and dismantling the device with the hook mechanism is improved, the dependence on the precision of the unmanned aerial vehicle is reduced, and the use is more convenient.
The invention is provided with the camera, the first camera and the second camera, and the three cameras can effectively observe the whole hooking process, and the operation is simpler in a visual way. The hook mechanism for the manual ascending anti-falling protection device can greatly improve the dangerous degree of operation, maintenance and overhaul.
The lifting assembly can automatically lock the buckling claw through gravity, and can automatically open the buckling claw when being lifted, the whole mechanism does not need a motor, the lifting assembly is simple and easy to use, and the buckling claw can be prevented from loosening due to unexpected conditions such as wind blowing, vibration and the like under the attraction action of the magnet.
The front guide frame and the rear guide frame are arranged, and the guide frame and the left side edge of the hook form a horn mouth, so that the front guide frame and the rear guide frame are convenient to hang on a tower cross arm, and the difficulty of hanging is reduced.
The main body bearing part consists of a front hook and a rear hook which are independent, even if a damaged outgoing line of one hook breaks, the other hook is not affected, which is equivalent to making safety redundancy, and has higher reliability and safety.
Drawings
FIG. 1 is a perspective view of the main structure of the present invention;
FIG. 2 is a perspective view of the main structure of the hook mechanism;
FIG. 3 is a perspective view of the main structure of the boom assembly;
FIG. 4 is a front view of the main structure of the buffer portion;
FIG. 5 is a cross-sectional view of a main structure of a buffer portion;
FIG. 6 is a perspective view of the major structure of the spreader assembly;
FIG. 7 is a perspective view of the main structure of the spreader assembly (with the front plate of the hooks removed);
FIG. 8 is a cross-sectional view of the spreader assembly;
FIG. 9 is a front view of the major structure of the spreader assembly;
FIG. 10 is a perspective view of the main structure of the hooking mechanism;
FIG. 11 is a perspective view of the main structure of the hooking mechanism (with the front hooks removed);
FIG. 12 is a cross-sectional view of the lift assembly in the closed state of the latch pawl;
FIG. 13 is a cross-sectional view of the lift assembly with the snap fingers in an intermediate state;
FIG. 14 is a cross-sectional view of the lift assembly with the latch claw open;
FIG. 15 is a side cross-sectional view of the hooking mechanism;
FIG. 16 is a schematic view of the primary structure of the hooking mechanism when suspended to a tower cross arm;
FIG. 17 is a perspective view of the main structure of the hooking mechanism (with the front hooking plate removed) when the locking pawl is opened;
FIG. 18 is a schematic view of the main structure of the hook mechanism and the pin of the hook mechanism after being pushed in;
FIG. 19 is a schematic view of the main structure of the hook mechanism and the pin of the hook mechanism after being pulled out;
fig. 20 is a schematic view of the main structure of the hook mechanism after being connected with the hook mechanism.
In the figure: 1-hook mechanism, 11-boom assembly, 111-boom holder, 112-buffer, a 1-buffer bin, a 2-spring, a 3-flange bar, a 4-flange bar disk, 113-boom portion, b 1-boom first, b 2-cross connector, b 3-boom second, b 4-boom third, b 5-boom connector, 12-boom assembly, 121-hook, c 1-hook front plate, c 2-hook back plate, c 3-hook fixing bolt, c 4-boom fixing bolt, 122-hook fixing block, e 1-square slot, 123-pin, 124-drive mechanism, d 1-rotating block, d 2-back arm, d 3-front arm, d 4-flange, d 5-motor shaft, d 6-motor fixing block d 7-limit plate, d 8-limit sensor, 125-control box, 126-battery box, 127-upper camera, 128-first camera, 129-second camera, 2-hook mechanism, 21-support guide assembly, 211-front hook, 212-rear hook, 213-front and rear hook fixing bolt, 214-front guide frame, 215-rear guide frame, 216-guide frame fixing bolt, 25-tension pin, 251-universal joint connector, 252-protection rope, 253-fall-preventing self-locking device, 22-buckling claw, 221-chute one, 222-buckling claw pin, 23-lifting assembly, 231-lifting rod sleeve, 232-lifting rod, 233-lifting rod pin, 234-iron block, 235-magnet, 236-magnet fixing seat, 237-first gap, 238-second gap, 24-guide rail, 241-square hole, 242-guide rail sleeve, 243-chute fixing bolt and 3-tower cross arm.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 20, a manual climbing anti-falling protection device comprises a lifting hook mechanism 1 and a hook mechanism 2 detachably connected below the lifting hook mechanism 1. The hook mechanism 1 comprises a boom assembly 11 and a spreader assembly 12 connected to the lower end of the boom assembly 11. The boom assembly 11 includes a boom mount 111 attached to the unmanned aerial vehicle, with mounting holes disposed in the boom mount 111 that can be attached to the unmanned aerial vehicle by bolts or common universal connectors. The lower extreme fixed buffer 112 that sets up of jib fixing base 111, buffer 112 include cylindrical surge bin a1, and surge bin a1 sets up in jib fixing base 1 central point put, and surge bin a1 upper end and jib fixing base 111 fixed connection, for example can pass through bolted connection. The inside cavity of seting up of surge bin a1, surge bin a1 inner chamber is provided with but vertical compression's spring a2, surge bin a1 inner chamber still is provided with flange pole a3, flange pole a3 upper portion is flange pole disc a4, flange pole disc a4 is located spring a2 upper end, flange pole disc a4 slides and sets up at surge bin a1 inner chamber, spring a2 is located between flange pole disc a4 and the surge bin a1 bottom, the outside of flange pole a3, the flange pole a3 lower extreme wears to extend to surge bin a1 below after wearing out from spring a2 middle part.
The lower end of the buffer portion 112 is connected to the boom portion 113, that is, the lower end of the flange rod a3 is connected to the boom portion 113. The boom portion 113 includes a boom b1, and the upper end of the boom b1 is hinged to the lower end of the flange rod a3 through a cross connector b2, that is, the cross connector is connected through a pin, and the pin is a common pin in the market. The lower end of the first suspender b1 is hinged with a second suspender b3, the lower end of the second suspender b3 is hinged with a third suspender b4, and the lower end of the third suspender b4 is hinged with a suspender connector b5. The number of the hanging rods can be increased or decreased according to actual conditions. The cross connector b2 and the first boom b1, the first boom b1 and the second boom b3, the second boom b3 and the third boom b4 and the boom connector b5 are all hinged and can rotate freely, wherein the first boom b1, the second boom b3 and the third boom b4 are all hinged and rotate on the same horizontal plane.
The lifting appliance assembly 12 is connected with the lower end of the lifting rod assembly 11, and the lifting appliance assembly 12 comprises two lifting hooks 121 which are arranged in a splayed shape, and the upper ends of the two lifting hooks 121 are continuously close to each other and then extend upwards to form an integrated structure. The two lifting hooks 121 comprise a front lifting hook plate c1 and a rear lifting hook plate c2 which are arranged at intervals from front to back, wherein a control box 125 is arranged in one lifting hook, and a battery box 126 is arranged in the other lifting hook. The control box 125 and the battery box 126 are fixed by bolts and corresponding holes of the hook rear plate c2 and the hook front plate c 1.
The upper portion of two lifting hooks 121 junction is provided with lifting hook fixed block 122, and lifting hook front bezel c1 and lifting hook back bezel c2 of two lifting hooks 121 upwards extend in middle part junction, and lifting hook fixed block 122 sets up in middle junction, sets up a plurality of lifting hook fixing bolt c3 on two lifting hooks 121, and is fixed lifting hook fixed block 122, lifting hook back bezel c2 and lifting hook front bezel c1 through lifting hook fixing bolt c 3. A hanger fixing bolt c4 is provided above the hanger fixing block 122, the hanger fixing bolt c4 passes through the hanger front plate c1 and the hanger rear plate c2 at the intermediate joint, and the hanger connector b5 is connected with the hanger fixing bolt c 4.
The lower part of the lifting hook fixing block 122 is provided with a square groove e1, the lifting hook fixing block 122 is slidably provided with a pin shaft 123 capable of moving left and right, and the pin shaft 123 is driven by a transmission mechanism 124 to be pulled out or pushed into the lifting hook fixing block 122 and the square hole 241. The transmission mechanism 124 comprises a rotatable rotating block d1, a flange d4 is fixedly connected to one side of the rotating block d1, the flange d4 is driven to rotate by a motor shaft d5 of a motor, the motor is arranged in a motor fixing block d6, the motor fixing block d6 is fixedly arranged on a lifting hook rear plate c2, and the motor is electrically connected with the control box 125. The upper part of the rotating block d1 is fixedly connected with a rear support arm d2, one end of the rear support arm d2 far away from the rotating block is hinged with a front support arm d3, one end of the front support arm d3 far away from the rear support arm d2 is hinged with a pin shaft 123, the pin shaft 123 penetrates through a hole of the lifting hook fixing block 122, the diameter of the hole is slightly larger than that of the pin shaft 123, the specification of the square hole 241 is far larger than that of the pin shaft 123, and the pin shaft 123 can slide in the hole of the lifting hook fixing block 122 and the square hole 241. The lower part of the rotating block d1 is fixedly connected with a limiting plate d7, a limiting sensor d8 for detecting the limiting plate d7 is further arranged in the lifting hook, and the limiting sensor d7 is electrically connected with the control box 125.
When the motor shaft d5 rotates, the flange d4 is driven to rotate, the flange d4 rotates to drive the rotating block d1 to rotate, and the rear support arm d2 and the limiting plate d7 are driven to rotate by the rotating block d 1. Because the front support arm d3 is hinged with the rear support arm d2, the rotation of the rear support arm d2 drives the front support arm d3 to swing, meanwhile, because the front support arm d3 is hinged with the pin shaft 123, the swing of the front support arm d3 drives the pin shaft 123 to act, and because the pin shaft 123 penetrates through the hole of the hook fixing block 122, the swing of the front support arm d3 can pull or push the pin shaft 122 out of the hole of the hook fixing block 122 and the square hole 241, and the detachable connection of the hook mechanism 1 and the hook mechanism 2 is realized.
The lifting hook fixing block 122 is provided with an upper camera 127 for observing the telescopic condition of the pin shaft, the upper camera 127 is arranged in a square groove e1 at the upper part of the lifting hook fixing block 122, and the lens of the upper camera 127 is downwards arranged for observing the telescopic condition of the pin shaft 123. A first camera 128 is arranged below the control box 125, and a second camera 129 is arranged below the battery box 136. The control panel is arranged inside the control box 125, and the first camera 128 is arranged below the control box 125, and the first camera 128 is also arranged downwards for observing the states of the lower tower cross arm 3 and the hook mechanism 2. The battery box 136 is internally provided with a battery, the second camera 129 is arranged below the battery box 136, and the second camera 129 is downwards arranged with a lens for observing the states of the lower tower cross arm 3 and the hook mechanism 2.
The hook mechanism 2 comprises a support guide assembly 21, wherein the support guide assembly 21 comprises a front hook 211 and a rear hook 212 which are symmetrically arranged at intervals, and the front hook 211 and the rear hook 212 are fixed through front and rear hook fixing bolts 213. The front hook 211 and the rear hook 212 are in an inverted U shape, the length of the right side is smaller than that of the left side, and the lower parts of the right side and the left side are opened so as to be convenient to hang on the tower cross arm 3.
The support guide assembly 21 further comprises a front guide frame 214 and a rear guide frame 215 which are symmetrically arranged at intervals, the front guide frame 214 and the rear guide frame 215 are respectively connected with the right sides of the front hook 211 and the rear hook 212 through guide frame fixing bolts 216, the front guide frame 214 and the rear guide frame 215 incline to the side far away from the support guide assembly 21, a horn mouth is formed on the left side of the guide frame and the left side of the hook, and the support guide assembly is convenient to hang on the tower cross arm 3.
Between the support and guide components 21 is arrangedA buckling claw 22, namely a front hook 211 and a rear hook 212, are arranged betweenThe buckling claw 22 is driven by a lifting assembly 23 arranged between the supporting and guiding assemblies 21 to rotate so as to realize the opening and closing, and the buckling claw 22 rotates so as to realize the opening and closing between the buckling claw 22 and the guiding and supporting assemblies 21.
The pull assembly 23 includes a pull rod sleeve 231 fixedly disposed between the front and rear hooks 211 and 212, the pull rod sleeve 231 is fixedly connected with the front and rear hooks 211 and 212 through bolt mounting, the pull rod sleeve 231 is positioned in the middle of the left sides of the front and rear hooks 211 and 212, the front and rear hooks 211 and 212 are extended from the upper portion of the pull rod sleeve 231, and the left sides of the front and rear hooks 211 and 212 are not extended from the lower end of the pull rod sleeve 231.
The lifting rod sleeve 231 is internally provided with a lifting rod 232 in a sliding manner, the lifting rod sleeve 231 extends out of the upper portion of the lifting rod 232, the upper end of the lifting rod 232 extends out of the lifting rod sleeve 231 and then is provided with a guide rail sleeve 242, the guide rail sleeve 242 is connected with the lower end of the guide rail 24, and the guide rail 24 and the guide rail sleeve 242 are fixed on the lifting rod 232 through a chute fixing bolt 243. The guide rail 24 is the reverse splayed, the square hole 241 of being connected with the lifting hook mechanism is offered at the middle part of guide rail 24 lower extreme, lifting hook mechanism 1 and couple mechanism 2 are detachable connection, when needs are connected, and the round pin axle 123 of lifting hook mechanism 1 inserts lifting hook fixed block 122 and square hole 241 under the drive of drive mechanism 124, realizes the connection of lifting hook mechanism 1 and couple mechanism 2, and the round pin axle 123 of lifting hook mechanism 1 withdraws from square hole 241 and lifting hook fixed block 122, realizes the separation of lifting hook mechanism 1 and couple mechanism 2.
The lower part of the lifting rod 232 is provided with a lifting rod pin 233 sliding along with the lifting rod pin 233, the lifting rod pin 233 transversely penetrates through the front side surface and the rear side surface of the lifting rod 232, the length of the upper side edge of the buckling claw 22 is smaller than that of the lower side edge of the buckling claw 22, the upper side edge of the buckling claw 22 is inclined upwards, the left side edge of the buckling claw 22 is positioned in the lifting rod 232 and below the lifting rod 232, the lower side edge of the buckling claw 22 transversely extends to the right side edge of the front hook 211 and the rear hook 212 from the left side edge of the front hook 211 and the rear hook 212, and the lower side edge of the buckling claw 22 is positioned at the lower opening of the front hook 211 and the rear hook 212.
An inverted L-shaped chute I221 is formed at the upper end of the left side of the buckling claw 22, a lifting rod pin 233 is slidably arranged in the chute I221, a buckling claw pin 222 is arranged above the right side of the buckling claw 22, the buckling claw pin 222 sequentially penetrates through the front hook 211, the buckling claw 22 and the rear hook 212, and the buckling claw 22 can rotate around the buckling claw pin 222.
The lower extreme of lifting rod 232 is provided with iron piece 234, iron piece 234 is provided with two, two iron pieces 234 divide into and set up in the both sides of lock claw 22, iron piece 234 is installed on lifting rod pin 233, iron piece 234 below is provided with magnet 235, magnet 235 is also provided with two, two magnet 235 are located two iron pieces 234 below respectively, two magnet 235 are installed respectively on two magnet fixing bases 326, two magnet fixing bases 236 are fixed mounting respectively on preceding couple 211 and back couple 212, all leave the clearance one 237 that is used for lock claw 22 to pass between two magnet 235 and the two magnet fixing bases 236, the clearance two 238 that are used for lock claw pivoted are seted up to lifting rod 232 and lifting rod cover 231 side.
The front hook 211 and the lower end of the rear hook 212 are fixedly provided with a tension pin 25, a universal joint connector 251 is mounted on the tension pin 25, the universal joint connector 251 comprises an upper ring and a lower ring, the upper ring of the universal joint connector 251 is mounted on the tension pin 25, the lower ring of the universal joint connector 251 is connected with a protection rope 252, the upper ring and the lower ring of the universal joint connector 251 can freely rotate, a falling-preventing self-locking device 253 is mounted on the protection rope 252, and the universal joint connector 251 and the falling-preventing self-locking device 253 are all common equipment on the market and belong to the prior art.
The buckling claw 2 has three states, namely a buckling claw closing state, referring to fig. 12, the lifting rod 232 falls downwards under the action of gravity, the lifting rod pin 233 slides to the bottom end of the first sliding groove 221 along the first sliding groove 221 of the buckling claw 22, at this time, the buckling claw 22 is in a closing state with the front hook 211 and the rear hook 212, the iron block 234 is also at the lowest position, and the iron block 234 contacts the magnet 235 and is attracted with the magnet 235. At this time, the locking claw 2 is kept in a closed state without pulling the lift lever 232 upward by an external force, and is not opened by vibration or wind force.
The second is the middle state of the locking claw, referring to fig. 13, when the pull rod 232 is pulled upwards by external force, when the pull force is greater than the attraction force of the magnet 235, the pull rod 232 will move upwards and drive the pull rod pin 233 and the iron block 234 passing through the pin to move upwards, but at this time, the locking claw 22 still keeps the closed state due to the gravity.
And the third is the open state of the buckling claw. Referring to fig. 14, when the pull rod 232 is pulled up continuously by external force on the basis of the second state, the pull rod pin 233 will prop up the top of the first chute 221, jack up the latch 22, the latch 22 rotates around the latch pin 222, the latch 22 is opened, and the openings of the front hook 211 and the rear hook 212 are opened. The above describes the process of snapping the catch from a closed, locked state to a fully open state. Similarly, the process of locking from open to closed is the reverse of the above process.
Referring to fig. 18-19, an illustration of the mating-unmating of the hook mechanism 1 and the hook mechanism 2 is shown. The motor shaft d5 rotates to drive a flange plate d4 arranged on the motor shaft d5 to rotate, the flange plate d4 rotates to drive a rear support arm d2 arranged on the flange plate d4 to rotate, the rear support arm d2 is hinged with a front support arm d3 through a pin, the front support arm d3 is hinged with a pin shaft 123 through a pin, when the motor shaft d5 rotates anticlockwise, the pin shaft 123 penetrates through a square hole 241 at the lower end of the guide rail 24 and is inserted into a left side opening of the lifting hook fixing block 122, and at the moment, the hooking mechanism 2 and the lifting hook mechanism 1 are successfully in butt joint.
When the butt joint is successful, the limit sensor d8 detects one side edge of the limit plate d7, and at the moment, the control box 125 can control the motor to stop rotating and prevent the motor from being blocked and burnt out by signals of the limit sensor d 8. When the motor shaft d5 rotates clockwise, the pin 122 is contracted into the hole on the right side of the hook fixing block 122, and at this time, the hook mechanism 2 and the hook mechanism 1 are successfully separated. When the motor is separated in place, the limit sensor d8 detects the edge of the other side of the limit plate d7, and at the moment, the control board of the control box 125 receives the signal of the limit sensor d8 to control the motor to stop rotating, so that the pin shaft 123 is prevented from being separated from the hole of the lifting hook fixing block 122.
Before a person ascending a height, the lifting hook mechanism 1 and the hooking mechanism 2 which are in butt joint are installed below the unmanned aerial vehicle, the unmanned aerial vehicle is controlled to hang the ascending anti-falling protection device on a cross arm at the top end of a power transmission line pole, the lifting hook mechanism 1 and the hooking mechanism are controlled to be separated from the 2, the unmanned aerial vehicle returns to the ground with the lifting hook mechanism 1, and the hooking mechanism 2 is hung on the cross arm 3 of the pole. The climbing person installs the falling protector 253 on the protection rope 252 on the ground, and starts climbing by connecting the safety belt of the climbing person to the buckle of the falling protector 253. Even if the outgoing line falls carelessly in the ascending process of the ascending staff, the anti-falling self-locking device 253 can automatically lock the protection rope 252, so that the ascending staff is prevented from falling off the ground, and the protection effect on the ascending staff is achieved. After the operation of the ascending personnel is finished, the unmanned aerial vehicle hangs the lifting hook mechanism 1 to be in butt joint with the hanging hook mechanism 2, and the hanging hook mechanism 2 is brought back to the ground.
The specific implementation mode is as follows:
Before the worker ascends a height, the ascending anti-falling protection device is installed first, and the boom fixing base 111 is installed below the center of the unmanned aerial vehicle through bolts or buckles. The boom connector b5 is passed through the boom fixing bolt c 4. The motor is controlled to rotate clockwise through the control board in the control box 125, the motor shaft d5 drives the rear support arm d2 and the front support arm d3 to rotate, the pin shaft 123 is pulled out of the round hole of the lifting hook fixing block 122 (refer to fig. 19), the limit sensor d8 detects the edge of the limit plate d7 at the moment and transmits signals to the control board in the control box 125, the control board controls the motor to stop rotating, and the pin shaft 123 is prevented from falling out of the hole of the lifting hook fixing block 122. After the hook mechanism 1 and the hook mechanism 2 are well in butt joint, a motor is controlled to rotate anticlockwise through a control board in the control box 125, a motor shaft d5 drives a rear support arm d2 and a front support arm d3 to rotate, a pin shaft 123 is inwards inserted into a state of fig. 18 from a round hole of a hook fixing block 122, the hook mechanism 1 and the hook mechanism 2 are locked, at the moment, a limit sensor d8 detects the edge of a limit plate d7 and transmits signals to the control board, the control board controls the motor to stop rotating, and the motor is prevented from being blocked and burnt out. The hook mechanism 1 and the hook mechanism 2 are in butt joint.
Starting the unmanned aerial vehicle to take off, gradually flying off the ground along with the unmanned aerial vehicle, gradually straightening a first suspender b1, a second suspender b3 and a third suspender b4 due to the hinged connection mode, and compressing a spring a2 in a buffer bin a1 due to the fact that a flange rod a3 moves downwards due to the fact that the weight of the hook mechanism 2 and the protection rope 252 is heavy when the hook mechanism 2 is taken off the ground. Referring to fig. 14, since the pin shaft 123 drives the guide rail 241 of the hook mechanism 2 to move upwards, and then drives the lifting rod 232 to move upwards, the pulling force is greater than the suction force between the iron block 234 and the magnet 235, the iron block 234 and the magnet 235 are separated, when the lifting rod 232 continues to be pulled upwards by external force, the lifting rod pin 233 will prop up the top of the first chute 221, jack up the locking claw 22, rotate the locking claw 22 around the locking claw pin 222, the locking claw 22 is in an opened state, the openings of the front hook 211 and the rear hook 212 are opened, and at this time, the lifting rod 232 is in a fully extended state.
The unmanned aerial vehicle flies to the position of the tower cross arm 3, the position of the tower cross arm 3 is observed through the first camera 128 arranged at the lower part of the control box 125 and the second camera 129 arranged at the lower part of the battery box 126, the azimuth of the unmanned aerial vehicle is adjusted, and the tower cross arm 3 is ensured to be positioned under the hooking mechanism 2. The unmanned aerial vehicle is controlled to slowly move downwards until the hooking mechanism is hung on the tower cross arm 3. At this time, the unmanned aerial vehicle continues to move downwards, and as the hook mechanism 2 is hung on the tower cross arm 3, the spring a2 in the buffer bin a1 starts to stretch, and the flange rod a3 starts to move upwards. The unmanned aerial vehicle continues to move downwards, the lifting rod 232 starts to descend, the buckling claw 22 starts to be closed along with the lifting rod pin 233 moves downwards, when the lifting rod pin 233 moves downwards to the lowest part of the first sliding groove 221, the buckling claw 22 is closed and locked, and meanwhile the iron block 234 connected with the lifting rod pin 233 contacts the magnet 235 and is attracted. At this point the drone continues to move down a distance and hover. At the moment, the first suspender b1, the second suspender b3 and the third suspender b4 are all hinged, so that the folding posture is automatically adapted according to the hovering position of the unmanned plane.
The ground control personnel controls the motor to rotate clockwise through wireless remote control by a control board in the control box 125, the motor shaft d5 drives the rear support arm d2 and the front support arm d3 to rotate, the pin shaft 123 is pulled out from the round hole of the lifting hook fixing block 122, and the pin shaft 123 is observed to be pulled out through the upper camera 127.
The unmanned aerial vehicle is controlled to move upwards, and at the moment, the unmanned aerial vehicle flies away with the lifting hook mechanism 1 and falls to the ground. And the hooking mechanism 2 is continuously hooked on the tower cross arm 3. The ascending person installs the falling-preventing self-locking device 253 through the hanging hook falling-preventing rope 252, and connects the safety belt to the falling-preventing self-locking device 253, and then carries out ascending operation.
After the worker finishes the climbing operation and returns to the ground, the hooking mechanism 2 needs to be dismantled. At this time, the unmanned aerial vehicle drives the lifting hook mechanism 1 to take off, flies to the position right above the lifting hook mechanism 2, and observes the position of the lifting hook and adjusts the azimuth of the unmanned aerial vehicle through the first camera 127 arranged at the lower part of the control box 125 and the second camera 129 arranged at the lower part of the battery box 126. The lower guide rail 24 is observed through the upper camera 127, the guide rail 24 gradually falls after alignment, and after the lifting hook 121 is contacted with the guide rail 24, the guide rail 24 is inverted splayed due to the splayed lifting hook 121, and even if the guide rail is slightly deviated, the butt joint can be corrected. The ground control personnel controls the motor to rotate anticlockwise through wireless remote control by a control panel in the control box 125, and the motor shaft d5 drives the rear support arm d2 and the front support arm d3 to rotate, so that the pin shaft 123 is inserted inwards from the round hole of the lifting hook fixing block 122, and the lifting hook mechanism 1 and the hanging hook mechanism 2 are locked. The pin 123 is confirmed to be in place by the upper camera 127.
In the process of the action of the pin shaft 123, the unmanned aerial vehicle hovers above the hook all the time, and the folding state of the first hanging rod b1, the second hanging rod b3 and the third hanging rod b4 is kept, even if wind is used for drifting the unmanned aerial vehicle, the butt joint stability of the hanging hook mechanism 1 and the hanging hook mechanism 2 can not be affected because the first hanging rod b1, the second hanging rod b3 and the third hanging rod b4 are in hinged connection and are in the folding state.
After the docking is completed, the unmanned aerial vehicle is lifted, at the moment, the first lifting rod b1, the second lifting rod b3 and the third lifting rod b4 are gradually straightened, when the unmanned aerial vehicle continues to lift, the lifting rod 232 starts to lift when the suction force of the magnet 235 and the iron block 234 is insufficient to resist the lifting tension, the lifting rod pin 233 lifts to drive the buckling claw 22 to open along with the lifting rod pin 233, and when the lifting rod pin 233 moves upwards and slides to the uppermost part of the first sliding groove 221, the buckling claw 22 is completely opened.
The unmanned aerial vehicle continues to pull up, and at this moment, because the action of gravity, flange pole a3 in the surge bin a1 moves down, compression spring a2, and when spring a2 compression reaches the limit, unmanned aerial vehicle begins to transfer couple mechanism 2 and breaks away from shaft tower cross arm 3 to return ground. All the working steps of the device are completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
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| CN202310812221.8A CN116650859B (en) | 2023-07-04 | 2023-07-04 | Manual ascending anti-falling protection device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115554629A (en) * | 2022-09-30 | 2023-01-03 | 广东冠能电力科技发展有限公司 | Tower climbing protection device and control method thereof |
| CN116236718A (en) * | 2022-12-26 | 2023-06-09 | 国网山东省电力公司超高压公司 | Safety rope fixing device for power maintenance tower climbing operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107394664B (en) * | 2016-05-14 | 2019-02-12 | 倪国森 | Multi-functional unmanned machine circuit obstacle cleaning machine |
| CN109173113A (en) * | 2018-10-25 | 2019-01-11 | 国网四川省电力公司德阳供电公司 | Falling proof device and its hanging method based on unmanned plane suspension |
| CN214260407U (en) * | 2020-11-24 | 2021-09-24 | 国网天津市电力公司 | Anti-fall device based on drone suspension |
| CN215452323U (en) * | 2021-09-03 | 2022-01-07 | 内蒙古电力（集团）有限责任公司巴彦淖尔电业局 | Tool for replacing strain insulator string of power transmission line |
| CN115912163A (en) * | 2022-10-29 | 2023-04-04 | 国网浙江省电力有限公司金华供电公司 | A device and method for attaching and dismantling an anti-fall rope using a drone |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115554629A (en) * | 2022-09-30 | 2023-01-03 | 广东冠能电力科技发展有限公司 | Tower climbing protection device and control method thereof |
| CN116236718A (en) * | 2022-12-26 | 2023-06-09 | 国网山东省电力公司超高压公司 | Safety rope fixing device for power maintenance tower climbing operation |
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