CN109200500B - High-altitude anti-falling device - Google Patents
High-altitude anti-falling device Download PDFInfo
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- CN109200500B CN109200500B CN201811246831.1A CN201811246831A CN109200500B CN 109200500 B CN109200500 B CN 109200500B CN 201811246831 A CN201811246831 A CN 201811246831A CN 109200500 B CN109200500 B CN 109200500B
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- rod
- sliding
- falling
- connecting rod
- cavity
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
Abstract
The invention discloses a high-altitude anti-falling device, which comprises a slide rail and an anti-falling device arranged on the slide rail, wherein a first chute is arranged on the slide rail, a slide rod matched with the first chute is arranged on the side wall of the anti-falling device, the slide rod penetrates through the first chute, a first limiting plate is arranged on the slide rod, a first connecting rod is arranged on the anti-falling device, a connecting hole is arranged on the first connecting rod, a third through hole is formed in the side wall of the slide rail, an anti-falling assembly is arranged in the third through hole, and a fixing assembly used for fixing the anti-falling assembly is further arranged on the side wall of the slide.
Description
Technical Field
The invention belongs to the technical field of high-altitude operation devices, and particularly relates to a high-altitude anti-falling device.
Background
Fall arresters or devices are typically contained within harnesses worn by persons working at higher heights; the fall arrestor reduces injuries that may occur when a worker falls from his or her work bench.
The falling protector disclosed in the Chinese patent CN100532766C does not need any power, so that the production cost is reduced, and the falling protector is convenient to install; however, the falling protector is easy to fall off and cannot be limited in the track, and the falling protector is easy to lose after being separated from the track, so that the loss of the falling protector is caused.
Disclosure of Invention
The invention provides a high-altitude anti-falling device which can limit an anti-falling device in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-altitude anti-falling device comprises a slide rail and an anti-falling device arranged on the slide rail, wherein a first slide groove is formed in the slide rail, a slide rod matched with the first slide groove is arranged on the side wall of the anti-falling device, the slide rod penetrates through the first slide groove, a first limiting plate is arranged on the slide rod, a first connecting rod is arranged on the anti-falling device, a connecting hole is formed in the first connecting rod, a third through hole is formed in the side wall of the slide rail, an anti-falling assembly is arranged in the third through hole, and a fixing assembly used for fixing the anti-falling assembly is further arranged on the side wall of; after the falling protector is arranged on the track, the falling protector is sealed at the bottom of the track under the action of the anti-falling assembly, the falling protector is prevented from falling off from the slide rail, the falling protector is guaranteed, and the falling protector is limited on the slide rail, so that the falling protector is convenient to use; the anti-falling device has the advantages that the anti-falling device is fixed through the fixing component, the limiting effect of the anti-falling device is improved, the anti-falling device is effectively prevented from sliding out of the slide rail, and a guarantee effect is provided for the anti-falling device.
Preferably, the anti-falling assembly comprises a first fixed rod penetrating through the third through hole, a fourth limiting plate arranged at one end of the first fixed rod, and a connecting groove arranged on the inner wall of the first sliding groove; after the falling protector is arranged in the slide rail, the first fixed rod is pushed to move towards the inside of the third through hole, the fourth limiting plate is embedded into the connecting groove, the fourth limiting plate and the connecting groove are matched with each other, the bottom of the first chute is sealed, and the falling protector is prevented from falling out of the slide rail; through the arrangement of the fourth limiting plate, the first fixing rod is prevented from falling out of the third through hole, and the matching effect of the first fixing rod and the third through hole is improved; through the cooperation of fourth limiting plate and spread groove, increase the cooperation effect of first dead lever and first spout inner wall, provide good anticreep effect for anti-falling device.
Preferably, a third sliding groove and a fourth sliding groove are respectively arranged on two sides of the third through hole, the fixing assembly comprises a first fixing block and a second fixing block which are arranged in the third sliding groove and the fourth sliding groove, and first sliding blocks matched with the third sliding grooves are respectively arranged at the bottoms of the first fixing block and the second fixing block; when the first fixed rod is pushed into the first sliding groove, the fourth limiting plate is embedded into the connecting groove, and the anti-falling effect is achieved for the first sliding groove through the mutual matching of the fourth limiting plate and the connecting groove; after the fourth limiting plate forms the cooperation with the connecting groove, promote first fixed block and second fixed block relative motion, play limiting displacement to first dead lever through first fixed block and second fixed block, promote the cooperation effect of fourth limiting plate and spread groove, promote the anticreep effect of anticreep subassembly to anti-falling device.
Preferably, a fifth connecting rod is arranged at one end of the first fixing rod, a first limiting groove matched with the fifth connecting rod is arranged on the first fixing block, and a second limiting groove matched with the fifth connecting rod is arranged on the second fixing block; the fifth connecting rod is limited by the first limiting groove and the second limiting groove, the fourth limiting plate and the connecting groove are better matched, the falling protector is prevented from falling under the action of the first fixing rod, the falling protector is fixed on the sliding rail, and the reliability of the falling protector is improved.
Preferably, the first fixed block and the second fixed block are both made of magnetic materials, and the magnetism of the first fixed block and the magnetism of the second fixed block attract each other; through the magnetic action of first fixed block and second fixed block, make first fixed block and second fixed block produce suction when first fixed block and second fixed block are close to each other, promote first fixed block and the effect of mutually supporting of second fixed block, make first fixed block and second fixed block provide good fixed effect for first dead lever, promote the anticreep effect of anticreep subassembly to the safety hook.
Preferably, a plurality of support frames are arranged on the side wall of the slide rail, an installation cavity is arranged on the falling protector, a limiting rod capable of moving along the inner wall of the installation cavity is arranged on the falling protector, and the limiting rod is matched with the support frames; when an operator works at high altitude, the locking belt is buckled on the connecting hole on the first connecting rod and is fixedly connected with the falling protector, and the falling protector moves upwards along the sliding rail under the matching of the first sliding groove and the sliding rod, so that the falling protector moves along with the operator, and the falling protector is prevented from generating pulling feeling on the operator; when an accident occurs to an operator, the limiting rod is quickly embedded into the supporting frame to be matched with the supporting frame, and the supporting frame and the limiting rod are matched with each other to support the limiting rod, so that the falling protector is supported, and is clamped on the supporting frame to prevent the falling protector from continuously falling off and protect the operator; through the arrangement of the plurality of support frames, the limiting rod can be rapidly matched with the support frames at any position, the reliability of the falling protector is improved, and the braking stroke of the falling protector is shortened; through the cooperation of support frame and gag lever post, promote the fixed effect to the safety hook, fix the safety hook on a take the altitude steadily, play effectual guard action to operating personnel.
Preferably, an installation seat is arranged in the installation cavity, a fixed rod is arranged on the side wall of the installation seat, an installation groove is formed in the fixed rod, a fastening air bag is arranged in the installation groove, and a movable groove matched with the fixed rod is formed in the slide rail; when an accident happens to an operator, the locking belt drops at the position of the fixing rod, when the falling protector is fixed to one position of the sliding rail, the fastening air bag is inflated, the air bag is enabled to expand rapidly after being inflated with air, the locking belt is fixed under the action of the air bag, the hanging length of the locking belt is reduced, and the locking belt is fixed, so that the phenomenon that the person shakes too much when the person is hung in the air is avoided, the falling protector is prevented from impacting the sliding rail under the action of inertia after being fixed, secondary damage is caused to the person, and the protection effect of the falling protector on the human body is improved.
The invention has the following advantages: after the falling protector is arranged on the track, the falling protector is sealed at the bottom of the track under the action of the anti-falling assembly, the falling protector is prevented from falling off from the slide rail, the falling protector is guaranteed, and the falling protector is limited on the slide rail, so that the falling protector is convenient to use; the anti-falling device has the advantages that the anti-falling device is fixed through the fixing component, the limiting effect of the anti-falling device is improved, the anti-falling device is effectively prevented from sliding out of the slide rail, and a guarantee effect is provided for the anti-falling device.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic structural diagram of the safety catcher of the present invention.
FIG. 4 is a schematic view of the internal structure of the safety catcher of the present invention.
FIG. 5 is a first cross-sectional view of the safety catcher of the present invention.
FIG. 6 is a second cross-sectional view of the safety catcher of the present invention.
Fig. 7 is a schematic structural view of the piston of the present invention.
Fig. 8 is a schematic cross-sectional view of a piston according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, an aerial fall protection device comprises a slide rail 2 and a fall protector 1 arranged on the slide rail 2, wherein the slide rail 2 is provided with two sets of first chutes which are respectively arranged on two sides of the slide rail, the side wall of the fall protector 1 is provided with a slide bar 11 matched with the first chute 22, the slide bar 11 is arranged in the first chute 22 in a penetrating manner, the slide bar 11 is provided with a first limiting plate 111, and through the matching of the slide bar and the first chute, an operator can conveniently drive the fall protector to move in normal operation, the fall protector is prevented from generating a pulling feeling to the movement of the operator, the slide bar is prevented from being separated from the first chute through the first limiting plate, the fall protector is prevented from being limited and fixed, and the reliability of the fall protection device is improved; the falling protector 1 is provided with a first connecting rod 152, the first connecting rod 152 is provided with a connecting hole 1521, the first connecting rod is used for connecting a locking belt bound on an operator, and the locking belt is fixed in the connecting hole through a safety buckle, so that the operator and the falling protector are fixedly connected; a plurality of support frames 23 are arranged on the side wall of the slide rail 2, the support frames are arranged in two rows and are respectively arranged on the side walls of the inner sides of the two groups of first sliding chutes, an installation cavity 18 is arranged on the falling protector 1, a limiting rod 15 capable of moving along the inner wall of the installation cavity 18 is arranged on the falling protector 1, and the limiting rod 15 is matched with the support frames 23; the supporting frame is of an arc-shaped structure, and the matching effect of the limiting rod and the supporting frame is improved through the arc-shaped structure of the supporting frame, so that the limiting rod is not easy to fall off from the supporting frame after being embedded into the supporting frame, the fixing effect of the supporting frame and the limiting rod is improved, and the reliability of the falling protector is improved; the structural strength of the support frame is improved through the arc-shaped structure of the support frame, so that the support frame provides a better support effect for the limiting rod, and the support frame is prevented from being damaged under the pressure of the limiting rod; the supporting frames are uniformly arranged on the side wall of the first sliding chute, and the distance between two adjacent supporting frames is greater than the diameter of the limiting rod; through arranging the group support frames, the falling protector can play a braking role at any height, the safety effect of the falling protector is improved, the braking stroke of the falling protector is reduced through the interval arrangement of the support frames, the falling protector can be quickly braked after an accident happens, reliable safety guarantee is provided for operators, and the reliability of the falling protector is improved.
When an operator works, the operator ties up the locking belt, the locking belt is fixed in the connecting hole through the safety buckle, so that the operator is connected with the falling protector, when the operator normally climbs and moves, the limiting rod is arranged in the mounting cavity and does not contact with the supporting frame, the falling protector moves smoothly along the first sliding groove, and the influence of the falling protector on the normal work of the operator is avoided; when an accident happens carelessly, an operator falls down under the action of gravity, pulls the limiting rod to stretch out of the mounting cavity, so that the limiting rod is clamped into the supporting frame, the limiting rod is fixed by the supporting frame, the falling protector is braked, and the falling protector does not fall down, so that the operator is protected.
An installation seat 12 is arranged in the installation cavity 18, a second fixed rod 14 is arranged on the side wall of the installation seat 12, an installation groove is arranged on the second fixed rod 14, a fastening air bag 141 is arranged in the installation groove, and a movable groove 21 matched with the second fixed rod 14 is arranged on the slide rail 2; the two groups of second fixed rods are respectively arranged at two sides of the mounting seat, the side wall of each second fixed rod is contacted with the inner wall of the movable groove, and the lock belt is arranged in the movable groove in a penetrating way; the movable groove provides a reserved space for the movement of the locking belt and the movement of the second fixed rod, so that the falling protector can move along the sliding rail conveniently; the fastening air bags on the two groups of second fixing rods are oppositely arranged and made of latex, so that a good deformation effect is achieved; when an accident happens to an operator, the operator drives the lock belt to fall down from the high altitude, and the limiting rod rapidly understands that the mounting cavity extends out to be matched with the supporting frame to brake the falling protector; fluid is filled into fast in the fastening gasbag, make the fastening gasbag begin to expand, two sets of fastening gasbags begin to expand simultaneously, until two sets of fastening gasbags contact, fix the locking band between two sets of fastening gasbags, play the fixed action to the locking band through the fastening gasbag, the flagging length of locking band, avoid operating personnel to produce acutely when being hung in the sky, make operating personnel and slide rail collision each other cause secondary injury accident to operating personnel, reduce operating personnel's rocking frequency in the sky, reduce operating personnel's uncomfortable sense, promote anti-falling device and to personnel's guard action.
The mounting seat 12 is provided with a slide bar 13 capable of sliding along the surface of the mounting seat 12, the bottom of the slide bar is provided with a limiting block, the top surface of the mounting seat is provided with a second limiting groove matched with the limiting block, the slide bar and the mounting seat are limited by the mutual matching of the limiting block and the second limiting groove, the slide bar is prevented from being separated from the mounting seat, and the matching effect of the slide bar and the mounting seat is improved; the number of the sliding strips 13 is two, two ends of the limiting rod 15 are respectively arranged on the two groups of sliding strips 13, and the movement of the limiting rod can drive the two groups of sliding strips to move synchronously; a connecting block 151 is arranged on the limiting rod 15, and the first connecting rod 152 is arranged on the connecting block 151; the connecting block links firmly in the gag lever post middle part, when operating personnel takes place the accident of falling and weighs down from the high altitude, pulling head rod produces oblique decurrent power under the effect of lock belt, and the pulling draw runner rolls off from the installation intracavity, makes the gag lever post stretch out from the installation intracavity, and the gag lever post is mutually supported with the support frame, plays the supporting role to the gag lever post through the support frame to play braking effect to the safety hook, avoid operating personnel's drive safety hook to continue to weigh down, play the guard action to operating personnel.
One end of the slide bar 13 is provided with a movable rod 131, the inner wall of the installation cavity 18 is provided with a first movable cavity 19 matched with the movable rod 131, one end of the movable rod 131 is provided with a second limiting plate 1311, the inner wall of the first movable cavity 19 is provided with a third limiting plate 191, and the movable rod 131 is sleeved with a supporting spring 1312; one end of the supporting spring is in contact with the second limiting plate, the other end of the supporting spring is in contact with the third limiting plate, the second limiting plate is arranged at the bottom of the first movable cavity under the action of the supporting spring, the limiting rod is arranged in the mounting cavity, and the limiting rod is prevented from extending out of the mounting cavity when the falling protector normally moves and affecting the supporting work of an operator; through the mutual matching of the second limiting plate and the third limiting plate, the movable rod is prevented from falling out of the first movable cavity, the maximum stroke of the sliding strip is limited, and the sliding strip is prevented from sliding out of the mounting seat to cause the damage of the anti-falling device; when the falling protector is in a normal working state, the supporting spring is in an original long state, the limiting rod is placed in the mounting cavity under the action of the supporting spring, and the phenomenon that the normal movement of the falling protector is influenced due to the fact that the limiting rod is in contact with the supporting frame is avoided; when an operator has a safety accident, the first connecting rod is pulled to move towards the outer side of the mounting cavity under the driving of the gravity of the operator, so that the first connecting rod drives the sliding strip to move towards the outer side of the mounting cavity, the movable rod moves along the inner wall of the first movable cavity, the second limiting plate compresses the supporting spring, the supporting spring is in a compression state, the limiting rod and the supporting frame are convenient to form fixed fit, and the falling protector is braked.
A hydraulic cavity 121 is arranged in the mounting base 12, hydraulic oil is filled in the hydraulic cavity, a second through hole is formed in one end of a second fixing rod and communicated with a fastening air bag, the hydraulic cavity 121 is communicated with the fastening air bag 141, a second connecting rod 17 penetrates through the side wall of the hydraulic cavity 121, a first push plate 173 matched with the hydraulic cavity 121 is arranged at one end of the second connecting rod 17, the cross section of the first push plate is the same as that of the hydraulic cavity, and the first push plate 173 is arranged in the hydraulic cavity 121; a connecting plate 16 is arranged on the movable rod 131 and fixedly connected to the movable rod, a push block 161 is arranged on the connecting plate 16, and a second push plate 171 matched with the push block 161 is arranged at the other end of the second connecting rod 17; the second connecting rod 17 is sleeved with a return spring 172, one end of the return spring is contacted with a second push plate, and the other end of the return spring is contacted with the side wall of the hydraulic cavity.
When an operator has a safety accident, the operator falls down under the action of gravity, the operator drives the lock belt to fall down while falling, the lock belt drives the first connecting rod to move, so that the first connecting rod moves towards the outer side of the installation cavity, the slide bar is pulled to move along the installation seat under the drive of the first connecting rod, so that the slide bar drives the movable rod to move, the movable rod moves to drive the connecting plate to move, the push block on the connecting plate pushes the second push plate to push the hydraulic cavity, the second push plate pushes the second connecting rod to move towards the inside of the hydraulic cavity, the first push plate is pushed to move towards the inside of the hydraulic cavity under the action of the second connecting rod, hydraulic oil in the hydraulic cavity is pushed into the fastening air bag, the fastening air bag begins to expand after being filled with the oil, so that the lock belt is clamped under the action of the fastening air bag, the lock belt is fixed, and the drooping length of the lock belt is, therefore, the shaking amplitude of the lock belt is reduced, the operator is prevented from shaking violently when hung in a half-empty space, the operator is protected, the operator is prevented from colliding with the sliding rod during shaking to cause secondary damage to the operator, and the protection effect on the operator is improved; make the gag lever post stretch out in the installation groove make hydraulic oil enter into the fastening gasbag in the twinkling of an eye that operating personnel dropped, play dual guard action to operating personnel, the effectual anti-falling device that increases reduces operating personnel injured probability in the incident to operating personnel's protection effect.
An air pressure cavity 122 is formed in the mounting seat 12, a third connecting rod 162 matched with the air pressure cavity 122 is arranged on the connecting plate 16, the third connecting rod 162 penetrates through the air pressure cavity 122, a piston 163 is arranged at one end of the third connecting rod 162, and the piston 163 is arranged in the air pressure cavity 122; the pressure chamber is filled with compressed gas, the compressed gas is nitrogen, and the pressure in the pressure chamber is greater than the external pressure; when the falling protector is in a normal working state, the piston rod is positioned in the middle of the air pressure cavity, the air pressures on the two sides of the piston are kept consistent, the connecting plate is in contact with the inner wall of the mounting cavity, the limiting rod is positioned in the mounting cavity, and the limiting rod is limited by the mutual matching of the air pressure cavity and the piston, so that the limiting rod is prevented from being pulled out of the mounting cavity in the normal use of the falling protector, the limiting rod is not in contact with the support frame, and the falling protector can move normally; through the mutual cooperation of the air pressure cavity and the supporting spring, the limiting rod of the falling protector is always positioned in the installation cavity in normal use and cannot extend out of the installation cavity, and the falling protector and the supporting frame are prevented from being mutually matched to influence the normal work of an operator.
A plurality of first through holes 1631 are formed in the piston 163, a gas pipe 1632 is arranged in each first through hole 1631, the gas pipe 1632 is made of an elastic material, the top section of the gas pipe 1632 is smaller than the bottom section of the gas pipe 1632, and the bottom of the gas pipe 1632 is fixedly connected to the inner wall of each first through hole 1631; the gas transmission pipe is made of rubber; the air pressure at the two sides of the piston is kept in a balanced state through the first through hole and the air pipe, so that the limiting rod is limited, the limiting rod is stably fixed in the mounting cavity, and the falling protector is prevented from extending out of the mounting cavity and contacting with the support frame when moving normally; through the difference of gas-supply pipe both ends cross-sectional diameter, make the atmospheric pressure of piston bottom unable entering piston top fast, produce the resistance effect to the piston, further increase the spacing effect to the gag lever post, make the gag lever post can't deviate from the installation intracavity easily, promote the reliability of safety hook.
A plurality of second sliding grooves 1633 are formed in the inner wall of the first through hole 1631, a second sliding block 1634 is arranged in the second sliding groove 1633, a fourth connecting rod 1635 is arranged on the side wall of the second sliding block 1634, the fourth connecting rod 1635 is connected with the gas pipe 1632, and the top of the gas pipe 1632 is connected with the inner wall of the first through hole 1631 through the fourth connecting rod 1635; when an operator has a safety accident and falls off from the high altitude, the operator pulls the first connecting rod under the self gravity to enable the first connecting rod to pull the sliding strip to slide along the mounting seat, the sliding strip drives the connecting plate to move, the connecting plate pushes the third connecting rod to move, the third connecting rod pushes the piston to move along the inner wall of the air pressure cavity, the piston generates a rapid movement trend under the action of the connecting plate, under the action of air pressure, the inner wall of the air pipe is pushed to enable the inner wall of the air pipe to expand outwards to generate deformation, the cross sections at two ends of the air pipe are in the same state, the second sliding block moves to the bottom end of the second sliding groove along the second sliding groove at the moment, the top of the air pipe is always in a deformation state through the action of the second sliding block on the air pipe, the flow of air passing through the air pipe is increased, the air flow rapidly moves from one side of the piston to the, the supporting spring is compressed to the deformation limit, and the limiting rod extends out of the mounting cavity and is matched with the supporting frame, so that the falling protector is fixed, the falling protector is fixed on a fixed point, the operator is prevented from continuously falling, and a reliable protection effect is provided for the operator.
Be equipped with first blotter on the support frame 23, be equipped with the second blotter on the gag lever post 15, first blotter with the second blotter is elastic material and makes, and first blotter and second blotter are rubber and make, and on the support frame cambered surface inner wall was located to first blotter, when the gag lever post stretches out from the installation intracavity, the gag lever post directly pounded down on the support frame under the effect of gravity, all support frame and gag lever post play cushioning effect through first blotter and second blotter, avoid support frame and gag lever post direct collision, prevent that support frame and gag lever post from damaging in the collision, the life of extension support frame and gag lever post.
A third through hole 28 is formed in the side wall of the slide rail 2, an anti-falling component is arranged in the third through hole 24, and a fixing component for fixing the anti-falling component is further arranged on the side wall of the slide rail 2; the third through holes are arranged on two sides of the sliding rail respectively, and the corresponding anti-falling assemblies and the corresponding fixing assemblies are two groups; when the falling protector is installed, the sliding rod is installed into the first sliding groove from the top of the first sliding groove, so that the falling protector is matched with the sliding rail, the bottom of the first sliding groove is sealed through the anti-falling assembly, the falling protector is prevented from falling out from the bottom of the first sliding groove, and the matching effect of the falling protector and the sliding rail is improved; the anti-falling device has the advantages that the anti-falling device is fixed through the fixing component, the matching effect of the anti-falling device and the slide rail is improved, and the anti-falling device is prevented from falling off from the slide rail.
The anti-falling assembly comprises a first fixed rod 29 arranged in the third through hole 28 in a penetrating manner, a fourth limiting plate 292 arranged at one end of the first fixed rod 29, and a connecting groove 210 arranged on the inner wall of the first sliding groove 22; the inner wall of the third through hole is provided with internal threads, the side wall of the first fixing rod is provided with external threads, and the first fixing rod realizes movement in the third through hole through mutual matching of the threads; after the falling protector is arranged in the first sliding groove, the first fixed rod is rotated, so that the first fixed rod and the third through hole move towards the inside of the third through hole under the matching of threads until the fourth limiting plate enters the connecting groove and is matched with the connecting groove, the bottom of the first sliding groove is sealed, the falling protector is prevented from falling out of the first sliding groove, and the matching effect of the falling protector and the first sliding groove is improved.
A third sliding groove 24 and a fourth sliding groove 25 are respectively arranged on two sides of the third through hole 28, the fixing component comprises a first fixing block 26 and a second fixing block 27 which are arranged in the third sliding groove 24 and the fourth sliding groove 25, and the bottoms of the first fixing block 26 and the second fixing block 27 are respectively provided with a first sliding block matched with the third sliding groove 24; the structure of the third sliding chute is the same as that of the fourth sliding chute, the structure of the first fixed block is the same as that of the second fixed block, two groups of first sliding blocks are arranged at the bottom of the first fixed block and are respectively arranged at two sides of the bottom of the first fixed block, and the two groups of first sliding blocks are respectively arranged in the third sliding chute and the fourth sliding chute; through the mutual matching of the sliding block and the sliding groove, the fixed block can conveniently move along the third sliding groove and the fourth sliding groove, so that the fixing component can conveniently fix the anti-falling component; a fifth connecting rod 291 is disposed at one end of the first fixing rod 29, a first limit groove 261 is disposed on the first fixing block 26 and is matched with the fifth connecting rod 291, and a second limit groove 271 is disposed on the second fixing block 27 and is matched with the fifth connecting rod 291.
After the falling protector is arranged in the first chute, the fifth connecting rod is rotated to drive the first fixing rod to rotate, and the fifth connecting rod moves towards the inside of the first chute in the rotating process under the matching of the threads; the first fixed rod is pushed to enter the first sliding groove in a threaded rotation mode, so that the first fixed rod is convenient to control, the movement stroke of the first fixed rod is easier to control, and the matching effect of the fourth limiting plate and the connecting groove is improved; under the mutual matching of the threads, the first fixing rod can only be separated from the third through hole by rotating and cannot be directly pulled out of the third through hole, and a certain fixing effect is achieved on the first fixing rod; after the fourth limiting plate is embedded into the spread groove, the fifth connecting rod is rotated to the horizontal position and then the first fixed rod is stopped rotating, the first fixing block and the second fixing block are pushed, the first fixing block and the second fixing block move oppositely, the two ends of the fifth connecting rod are respectively embedded into the first limiting groove and the second limiting groove, the fifth connecting rod is limited by the first limiting groove and the second limiting groove, the fifth connecting rod is prevented from rotating, the first fixed rod is prevented from rotating, the fourth limiting plate is prevented from being separated from the spread groove under the action of threads, and the anti-falling effect of the anti-falling device is influenced.
The first fixed block 26 and the second fixed block 27 are both made of magnetic materials, and the magnetism of the first fixed block 26 and the magnetism of the second fixed block 27 are attracted; through the magnetic action of first fixed block and second fixed block, make first fixed block and second fixed block produce suction when first fixed block and second fixed block are close to each other, promote first fixed block and the effect of mutually supporting of second fixed block, make first fixed block and second fixed block provide good fixed effect for first dead lever, promote the anticreep effect of anticreep subassembly to the safety hook.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a high altitude anti-falling device, includes slide rail (2) and locates safety hook (1) on slide rail (2), be equipped with first spout (22) on slide rail (2), be equipped with on safety hook (1) lateral wall with first spout (22) matched with slide bar (11), slide bar (11) are worn to locate in first spout (22), be equipped with first limiting plate (111) on slide bar (11), be equipped with head rod (152) on safety hook (1), be equipped with connecting hole (1521) on head rod (152), its characterized in that: a third through hole (28) is formed in the side wall of the sliding rail (2), an anti-falling assembly is arranged in the third through hole (28), and a fixing assembly for fixing the anti-falling assembly is further arranged on the side wall of the sliding rail (2); a plurality of supporting frames (23) are arranged on the side wall of the sliding rail (2), an installation cavity (18) is arranged on the falling protector (1), a limiting rod (15) capable of moving along the inner wall of the installation cavity (18) is arranged on the falling protector (1), and the limiting rod (15) is matched with the supporting frames (23); a mounting seat (12) is arranged in the mounting cavity (18), a fixed rod (14) is arranged on the side wall of the mounting seat (12), a mounting groove is formed in the fixed rod (14), a fastening air bag (141) is arranged in the mounting groove, and a movable groove (21) matched with the fixed rod (14) is formed in the sliding rail (2); a sliding strip (13) capable of sliding along the surface of the mounting seat (12) is arranged on the mounting seat (12); the number of the sliding strips (13) is two, two ends of the limiting rod (15) are respectively arranged on the two groups of sliding strips (13), and the two groups of sliding strips can be driven to synchronously move by the movement of the limiting rod; a connecting block (151) is arranged on the limiting rod (15), and the first connecting rod (152) is arranged on the connecting block (151); a movable rod (131) is arranged at one end of the sliding bar (13), a first movable cavity (19) matched with the movable rod (131) is arranged on the inner wall of the installation cavity (18), a second limiting plate (1311) is arranged at one end of the movable rod (131), a third limiting plate (191) is arranged on the inner wall of the first movable cavity (19), and a supporting spring (1312) is sleeved on the movable rod (131); one end of the supporting spring is in contact with the second limiting plate, and the other end of the supporting spring is in contact with the third limiting plate; a hydraulic cavity (121) is arranged in the mounting seat (12), hydraulic oil is filled in the hydraulic cavity, one end of a second fixing rod is provided with a second through hole, the second through hole is communicated with a fastening air bag, the hydraulic cavity (121) is communicated with the fastening air bag (141), a second connecting rod (17) penetrates through the side wall of the hydraulic cavity (121), one end of the second connecting rod (17) is provided with a first push plate (173) matched with the hydraulic cavity (121), the section of the first push plate is the same as that of the hydraulic cavity, and the first push plate (173) is arranged in the hydraulic cavity (121); a connecting plate (16) is arranged on the movable rod (131), the connecting plate is fixedly connected to the movable rod, a push block (161) is arranged on the connecting plate (16), and a second push plate (171) matched with the push block (161) is arranged at the other end of the second connecting rod (17); a second push plate is arranged on the second connecting rod (17), and the other end of the second push plate is in contact with the side wall of the hydraulic cavity; an air pressure cavity (122) is arranged in the mounting seat (12), a third connecting rod (162) matched with the air pressure cavity (122) is arranged on the connecting plate (16), the third connecting rod (162) penetrates through the air pressure cavity (122), a piston (163) is arranged at one end of the third connecting rod (162), and the piston (163) is arranged in the air pressure cavity (122); a plurality of first through holes (1631) are formed in the piston (163), air conveying pipes (1632) are arranged in the first through holes (1631), the air conveying pipes (1632) are made of elastic materials, the top cross section of each air conveying pipe (1632) is smaller than the bottom cross section of each air conveying pipe (1632), and the bottoms of the air conveying pipes (1632) are fixedly connected to the inner wall of each first through hole (1631); a plurality of second sliding grooves (1633) are formed in the inner wall of the first through hole (1631), a second sliding block (1634) is arranged in the second sliding groove (1633), a fourth connecting rod (1635) is arranged on the side wall of the second sliding block (1634), the fourth connecting rod (1635) is connected with the gas pipe (1632), and the top of the gas pipe (1632) is connected with the inner wall of the first through hole (1631) through the fourth connecting rod (1635); the support frame (23) is provided with a first cushion pad, and the limiting rod (15) is provided with a second cushion pad.
2. A high altitude fall arrest device according to claim 1, characterised in that: the anti-falling component comprises a first fixing rod (29) arranged in the third through hole (28) in a penetrating mode, a fourth limiting plate (292) arranged at one end of the first fixing rod (29) and a connecting groove (210) arranged on the inner wall of the first sliding groove (22).
3. A high altitude fall arrest device according to claim 2, characterised in that: third through-hole (28) both sides are equipped with third spout (24) and fourth spout (25) respectively, fixed subassembly is including locating third spout (24) with first fixed block (26) and second fixed block (27) in fourth spout (25), first fixed block (26) with second fixed block (27) bottom be equipped with respectively with third spout (24) matched with first slider.
4. A high altitude fall arrest device according to claim 3, characterised in that: first dead lever (29) one end is equipped with fifth connecting rod (291), be equipped with on first fixed block (26) with fifth connecting rod (291) matched with first spacing groove (261), be equipped with on second fixed block (27) with fifth connecting rod (291) matched with second spacing groove (271).
5. A high altitude fall arrest device according to claim 4, characterised in that: the first fixing block (26) and the second fixing block (27) are made of magnetic materials, and the first fixing block (26) and the second fixing block (27) are attracted magnetically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246831.1A CN109200500B (en) | 2018-10-25 | 2018-10-25 | High-altitude anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246831.1A CN109200500B (en) | 2018-10-25 | 2018-10-25 | High-altitude anti-falling device |
Publications (2)
| Publication Number | Publication Date |
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| CN109200500A CN109200500A (en) | 2019-01-15 |
| CN109200500B true CN109200500B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811246831.1A Active CN109200500B (en) | 2018-10-25 | 2018-10-25 | High-altitude anti-falling device |
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| Country | Link |
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| CN (1) | CN109200500B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016889A (en) * | 1997-07-07 | 2000-01-25 | Commonwealth Edison | Fall protection device including tiltable bearing |
| CN201135722Y (en) * | 2007-12-30 | 2008-10-22 | 王朝普 | Reversing mechanism of aloft work falling-proof device |
| CN101537235A (en) * | 2009-05-12 | 2009-09-23 | 徐林波 | Hollow balloon rope high-altitude safe falling device |
| CN102600566A (en) * | 2012-02-22 | 2012-07-25 | 上海东锐风电技术有限公司 | Safe falling protector for vertical ladder |
| CN203461655U (en) * | 2013-07-30 | 2014-03-05 | 珠海经济特区联谊机电工程有限公司 | Mechanical anti-dropping device |
| CN203568624U (en) * | 2013-09-22 | 2014-04-30 | 浙江吉利控股集团有限公司 | Anti-falling device of lifter |
| CN104129694B (en) * | 2013-12-14 | 2016-06-08 | 广西云高智能停车设备有限公司 | Process safety catcher |
| CN103830859A (en) * | 2014-03-31 | 2014-06-04 | 中际联合工业技术(北京)有限公司 | Guide rail type falling preventing system |
| CN204124984U (en) * | 2014-07-25 | 2015-01-28 | 昆明俊马建筑机械有限公司 | Two cage building hoist |
| CN105126271B (en) * | 2015-09-10 | 2021-12-31 | 刘文杰 | Combined gas protective belt |
| CN106142014A (en) * | 2016-08-25 | 2016-11-23 | 无锡市东北塘永丰橡塑厂 | A kind of telescopically adjustable rubber hammer |
| CN108194020A (en) * | 2017-12-22 | 2018-06-22 | 国家电网公司 | Safe anti-falling cat ladder applied to high-altitude pendency operation |
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2018
- 2018-10-25 CN CN201811246831.1A patent/CN109200500B/en active Active
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