CN111388905B - Simple detachable safety protection device for high-altitude operation - Google Patents
Simple detachable safety protection device for high-altitude operation Download PDFInfo
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- CN111388905B CN111388905B CN202010206659.8A CN202010206659A CN111388905B CN 111388905 B CN111388905 B CN 111388905B CN 202010206659 A CN202010206659 A CN 202010206659A CN 111388905 B CN111388905 B CN 111388905B
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- mounting plate
- pawl
- winding shaft
- safety
- safety rope
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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
- A62B35/0018—Full body harnesses covering at least shoulders and thighs
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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
-
- 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
- A62B35/04—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion incorporating energy absorbing means
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- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Emergency Lowering Means (AREA)
Abstract
The invention relates to a simple detachable safety protection device for high-altitude operation, which comprises a safety belt body, wherein a mounting plate is fixed on the front surface of the safety belt body, the mounting plate is rotatably connected with a winding shaft, the winding shaft is fixedly connected with a safety rope, one end of the safety rope, far away from the winding shaft, is provided with a fixer, and the mounting plate is connected with a connecting buckle for connecting with the fixer; the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is fixed with the mounting plate, the other end of the torsion spring is fixed with the winding shaft, and the torsion spring is tightened when the safety rope extends out of the winding shaft. Through adopting above-mentioned technical scheme, after the user finishes work, the length of safety rope satisfies that the user gets into indoorly, then removes the connection between fixer and the connector link indoor to pull the rolling with safety rope through rotating the rolling axle indoor, thereby the user is in indoor safety protection of removing when the mental state is not good, and the security is better. Wherein the torsional spring is used for applying elasticity to the safety rope, and the rolling is lighter when the safety rope messenger of needs is exerted pulling force to the safety rope.
Description
Technical Field
The invention relates to the technical field of safety protection devices, in particular to a simple detachable safety protection device for high-altitude operation.
Background
The safety protection device for high-altitude operation at present specifically refers to a high-altitude operation safety belt, also called an omnibearing safety belt or a five-point safety belt, and is processed by a high-strength polyester braid or a higher-strength fiber material according to the national standard GB 6095-2009.
The existing safety belt for high-altitude operation is shown in Chinese patent with application number CN201820024362.8 and comprises shoulder straps, buckles, connecting buckles, limiting rods, safety ropes, a fixer, a front chest strap, a waist protecting belt, a tightening belt, a rear baffle, a positioning button, a leg strap, a leg protecting pad and the like.
The above prior art solutions have the following drawbacks: guardrail or fender rod are all generally in outdoor work platform during high altitude construction, all climb out from the driver's cabin and then be connected fixer and guardrail or fender rod like tower crane maintenance to workman's spirit is highly concentrated during high altitude construction, and is tired easily after long-time work, and the workman often relaxs alert because of tired out at the in-process that gets into indoor environment of dismantlement fixer, makes unexpected incidence improve, consequently exists the space of improving.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a simple and detachable safety protection device for high-altitude operation, which has a safer use state and avoids the situation that a worker removes a fixer outdoors after finishing working.
The above object of the present invention is achieved by the following technical solutions:
a simple and detachable safety protection device for high-altitude operation comprises a safety belt body, wherein a mounting plate is fixed on the front surface of the safety belt body, the mounting plate is rotatably connected with a winding shaft, a safety rope is fixedly connected with the winding shaft, a fixer is installed at one end, away from the winding shaft, of the safety rope, and the mounting plate is connected with a connecting buckle used for being connected with the fixer; the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is fixed with the mounting plate, the other end of the torsion spring is fixed with the winding shaft, and the torsion spring is tightened when the safety rope extends out of the winding shaft; a first ratchet wheel coaxially rotates on the winding shaft, a first pawl clamped with the first ratchet wheel is hinged to the mounting plate, and a first spring for driving the first pawl to reset is fixed between the first pawl and the mounting plate; the mounting plate is provided with a first control mechanism for controlling the first pawl and the first ratchet wheel to release clamping.
Through adopting above-mentioned technical scheme, the safety belt body is used for supplying the user to dress, and positive mounting panel is used for installing rolling axle, connector link and torsional spring etc. and the rolling axle is used for rolling safety rope, and the fixer that the safety rope kept away from rolling axle one end is used for fixed with the connector link, and the fixer can be for the safety link. Therefore, in the process of high-altitude operation, a user can connect the fixer with the connecting buckle after winding the safety rope around the guardrail or the guard bar for a circle, the user is in a working state just during connection, the attention is concentrated even when the user is connected outdoors, and the safety is high; after the user finishes working, the length of the safety rope meets the requirement that the user enters the room, then the connection between the fixer and the connecting buckle is released indoors, and the safety rope is pulled and wound indoors through rotating the winding shaft, so that the user is in the room to release safety protection when the mental state is not good, and the safety is better. The torsion spring can be a clockwork spring, a coil spring and the like, is used for applying elasticity to the safety rope, and can apply tension to the safety rope when the safety rope is required to be rolled, so that the rolling is easier. The first pawl and the first ratchet wheel play a role in limiting the one-way rotation of the winding shaft in the clamping process, and a user can place the safety rope to be longer in the process of high-altitude operation and cannot automatically retract under the action of the torsion spring, so that the user can operate freely and conveniently at high altitude. When a user returns to the room and needs to remove the connection relation between the fixer and the connecting buckle and withdraw the safety rope, the clamping relation between the first pawl and the first ratchet wheel is removed through the first control mechanism, so that the torsion spring applies tension to the safety rope, and the safety rope can be rolled more conveniently and rapidly.
The present invention in a preferred example may be further configured to: the mounting panel is fixed with the planar first curb plate of perpendicular to mounting panel place, first control mechanism include with first pawl articulated first pull rod, first logical groove has been seted up to first curb plate, the one end that the pin joint was kept away from to first pull rod stretches out first logical groove, install on the first curb plate and carry out spacing first stop gear to first pull rod.
Through adopting above-mentioned technical scheme, first curb plate plays the guard action to first ratchet, second pawl and first pull rod to also can be used to with first spring coupling, wherein offer the first logical groove that supplies first pull rod to stretch out on the first curb plate. Thereby the user when the joint relation between first pawl and the first ratchet is being relieved to needs, the first pull rod of pulling is with first pawl to keeping away from the pulling of first ratchet direction, can realize relieving the joint relation between first pawl and the first ratchet to first spring is in compression state this moment, thereby it is spacing to need cooperate first stop gear to remove first pull rod, makes the state of first pawl keeping and first ratchet separation, convenient to use person's rolling safety rope. After the spacing of the first spacing mechanism is released, the first pull rod resets under the action of the first spring, and the first pawl also resets to be in clamping connection with the first ratchet wheel.
The present invention in a preferred example may be further configured to: first stop gear include with first curb plate sliding connection's first stopper, first ring channel has been seted up at first pull rod middle part, first stopper orientation first logical groove slides, first stopper towards first logical groove one end seted up with first ring channel complex first circular arc breach, first circular arc breach be used for with first ring channel joint.
Through adopting above-mentioned technical scheme, sliding connection between first stopper and the first curb plate, and the circular arc breach of first stopper sets up towards first logical groove, thereby when first pull rod removes to first ring channel and stretches out first logical groove, can be through the state of slip first stopper to circular arc breach and first ring channel joint, thereby realize spacing to first pull rod, and then realize spacing the removal of first pull rod, make first pawl keep the state with first ratchet separation, be convenient for roll safety rope.
The present invention in a preferred example may be further configured to: the safety belt comprises a safety belt body and is characterized in that a buffer box is mounted on the back face of the safety belt body, an air pump, an air inflation tube, a storage battery, an acceleration sensor and an air bag are mounted in the buffer box, two ends of the air inflation tube are communicated with the air inlet of the air bag and the air pump respectively, the storage battery is electrically connected with the air pump, and the acceleration sensor controls the air pump to be opened and closed.
Through adopting above-mentioned technical scheme, the setting of baffle-box is arranged in accomodating and protecting air pump, gas tube, battery, acceleration sensor and gasbag in daily work. In the in-service use process, the user carelessly falls the back down, often can rock out of control under the pulling action of safety rope, if the user is closer apart from tower crane, building wall body, high-tension electricity tower body equidistance this moment, easy when rocking out of control with tower crane, building wall body, high-tension electricity tower body bump, cause the injury to the user. Through the setting of acceleration sensor and singlechip, when sensing acceleration and being close to acceleration of gravity g, trigger the motor work of air pump, carry out the inflation of fixed time to the gasbag, make the gasbag inflation to protect user's back before the user is about to take place the inflation, the user can make the gasbag towards hard thing as far as possible through the adjustment of self, plays the protect function to the user.
The present invention in a preferred example may be further configured to: the winding shaft coaxially rotates to form a second ratchet wheel with the tooth direction opposite to that of the first ratchet wheel, the mounting plate is hinged to a second pawl clamped with the second ratchet wheel, and a second spring for driving the second pawl to reset is fixed between the second pawl and the mounting plate; the mounting plate is provided with a second control mechanism for controlling the second pawl and the second ratchet wheel to release clamping.
Through adopting above-mentioned technical scheme, the tooth direction of second ratchet is opposite with first ratchet to carry out another spacing that turns to the rolling axle under the effect of second ratchet and second spring. When the ratchet wheel is used at ordinary times, the second pawl and the second ratchet are kept in a separated state through the second control mechanism, and when a user falls, the first pawl and the first ratchet are controlled to be separated through the first control mechanism and the first limiting mechanism, and then the second ratchet is clamped with the second ratchet through the second control mechanism. Thereby at the user along the in-process that climbs on the safety rope, the safety rope can be along with the user height of climbing and roll on the rolling axle under the effect of torsional spring gradually, and second ratchet joint this moment, first ratchet and second ratchet are skidded, thereby climb tired the time at the user, can hang the rest through the safety rope, and the safety rope can not stretch out under the effect of second ratchet and second ratchet, thereby be convenient for the middle and old age user that strength is not enough to save oneself.
The present invention in a preferred example may be further configured to: the mounting panel is fixed with the planar second curb plate of perpendicular to mounting panel place, second control mechanism include with second pawl articulated second pull rod, the second logical groove has been seted up to the second curb plate, the second pull rod is kept away from the one end of pin joint and is stretched out the second leads to the groove, install on the second curb plate and carry out spacing second stop gear to the second pull rod.
Through adopting above-mentioned technical scheme, the second curb plate plays the guard action to second ratchet, second pawl and second pull rod to also can be used to with second spring coupling, wherein offer the second logical groove that supplies the second pull rod to stretch out on the second curb plate. Therefore, when a user needs to remove the clamping relation between the second pawl and the second ratchet wheel, the second pull rod is pulled to pull the second pawl in the direction away from the second ratchet wheel, the clamping relation between the second pawl and the second ratchet wheel can be removed, the second spring is in a compressed state, the second pull rod needs to be matched with the second limiting mechanism to move and limit, the second pawl is kept in a state of being separated from the second ratchet wheel, and the user can conveniently roll the safety rope. After the limit of the second limiting mechanism is released, the second pull rod resets under the action of the second spring, and the second pawl also resets to be in clamping connection with the second ratchet wheel.
The present invention in a preferred example may be further configured to: the second limiting mechanism comprises a second limiting block connected with the second side plate in a sliding mode, a second annular groove is formed in the middle of the second pull rod, the second limiting block faces towards the second through groove and slides, one end, facing towards the second through groove, of the second limiting block is provided with a second circular arc notch matched with the second annular groove, and the second circular arc notch is used for being connected with the second annular groove in a clamping mode.
Through adopting above-mentioned technical scheme, sliding connection between second stopper and the second curb plate, and the circular arc breach of second stopper sets up towards the second through-groove, thereby when the second pull rod moves to the second annular groove and stretches out the second through-groove, can be through the state of slip second stopper to circular arc breach and second ring channel joint, thereby realize spacing to the second pull rod, and then realize spacing the removal of second pull rod, make the second pawl keep the state with the separation of second ratchet, be convenient for roll safety rope.
The present invention in a preferred example may be further configured to: the connecting buckle is hinged with the mounting plate.
Through adopting above-mentioned technical scheme, it is articulated with the connector link and mounting panel to improve the flexibility of connector link when the atress, and can rotate the state to laminating with the mounting panel when not atress, reduce the space and occupy or scrape the condition of bumping the user.
In conclusion, the invention has the following beneficial effects:
1. the winding shaft fixed with the safety rope and used for winding the safety rope and the connecting buckle hinged with the mounting plate are arranged, so that the fixer and the connecting buckle can be connected after the safety rope and the guardrail or the protective rod are wound for one circle in the actual use process, after a user finishes working, the length of the safety rope meets the requirement that the user enters a room, then the connection between the fixer and the connecting buckle is released indoors, the safety rope is pulled and wound indoors by rotating the winding shaft, and therefore the safety rope can be released indoors when the mental state of the user is poor, and the safety is better;
2. the winding shaft is controlled to rotate in opposite directions in a unidirectional way by arranging the torsion spring, the first ratchet wheel, the first pawl and the first control mechanism, and the second ratchet wheel, the second pawl and the second control mechanism, so that the safety rope cannot be automatically retracted after being stretched out by matching the first ratchet wheel and the first ratchet when in use at ordinary times, and the safety rope can be automatically retracted by contacting the clamping connection of the first ratchet wheel and the second pawl through the first control mechanism when in retraction; when a user is in a hanging state, the second pawl and the second ratchet wheel can be controlled to be in clamping fit through the second control mechanism, the first ratchet wheel and the first pawl are separated, so that the safety rope can be automatically wound when the user climbs upwards, the winding shaft can be limited in rotation through the second ratchet wheel and the second pawl when the user is tired, the hovering rest is realized, and the using effect is better;
3. through setting up acceleration sensor and singlechip, when sensing acceleration and being close to acceleration of gravity g, trigger the motor work of air pump, carry out the inflation of fixed time to the gasbag, make the gasbag inflation to protect user's back before the user is about to take place the inflation, the user can make the gasbag towards hard thing as far as possible through the adjustment of self, plays the protect function to the user.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of another angle in the present embodiment;
FIG. 3 is a schematic view of the internal structure of the buffer tank in this embodiment;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a partial cross-sectional view of the mounting plate, first side plate and second side plate of the present embodiment;
FIG. 6 is a partial exploded view along the axial direction of the take-up reel in the present embodiment;
FIG. 7 is a state diagram of the present embodiment;
fig. 8 is a schematic structural view showing an opened state of the airbag in this embodiment.
Reference numerals: 1. a seat belt body; 2. mounting a plate; 21. a winding shaft; 22. a safety cord; 23. a holder; 24. a connecting buckle; 25. a torsion spring; 26. a first side plate; 261. a first through groove; 27. a second side plate; 271. a second through groove; 31. a first ratchet wheel; 32. a first pawl; 33. a first spring; 34. a first pull rod; 341. a first annular groove; 35. a first stopper; 351. a first arc notch; 41. a second ratchet wheel; 42. a second pawl; 43. a second spring; 44. a second pull rod; 441. a second annular groove; 45. a second limiting block; 451. a second arc notch; 5. a buffer tank; 51. an air pump; 52. an inflation tube; 53. an air bag.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the detachable safety protection device suggested for high-altitude operation disclosed by the invention comprises a safety belt body 1, wherein the safety belt body 1 comprises existing shoulder straps, buckles, connecting buckles 24, limiting rods, a safety rope 22, a fixer 23, a front chest strap, a waist protecting strap, a tightening strap, a back board, a positioning button, a leg strap, a leg protecting pad and the like, wherein the fixer 23 can be a conventional safety buckle, and the fixer 23 is fixedly connected with the end part of the safety rope 22.
As shown in fig. 2 to 3, an air pump 51, an air charging pipe 52, a storage battery, an acceleration sensor, a single chip microcomputer (the acceleration sensor and the single chip microcomputer are not shown in the figures) and an air bag 53 are installed in the buffer box 5, wherein the single chip microcomputer adopts an STM32 single chip microcomputer, the acceleration sensor adopts an MPU6050 sensor, two ends of the air charging pipe 52 are respectively communicated with the air bag 53 and an air inlet of the air pump 51, the storage battery is electrically connected with a motor of the air pump 51, and the storage battery supplies power to the air pump 51. The output end of the acceleration sensor is electrically connected to the input pin of the single chip, and the output pin of the single chip is electrically connected to the motor of the air pump 51 (as shown in fig. 4). When the user falls, acceleration sensor senses acceleration and equals acceleration of gravity g, convert the signal of telecommunication into and input in the input pin of being connected with the singlechip, the singlechip receives the motor input control signal to air pump 51 after the signal of telecommunication, control motor starts, and air pump 51 is aerifyd, reaches after the preset time, inputs control signal to the motor again, and the motor is closed, makes gasbag 53 aerify to the saturated condition, and wherein baffle-box 5 chooses plastics etc. to make for use, breaks through baffle-box 5 when gasbag 53 expands.
As shown in fig. 5 to 6, the front of the safety belt body 1 is fixed with the mounting panel 2, the mounting panel 2 is connected with the winding shaft 21 in a rotating manner, the winding shaft 21 is fixedly connected with the safety rope 22, the safety rope 22 is wound and stored on the winding shaft 21, the fixer 23 is installed at one end, away from the winding shaft 21, of the safety rope 22, and the mounting panel 2 is hinged with the connecting buckle 24 used for being connected with the fixer 23. The pivot cup joints torsional spring 25, and torsional spring 25 one end is fixed with mounting panel 2, and the other end is fixed with rolling axle 21, and torsional spring 25 tightens up when safety rope 22 stretches out rolling axle 21.
The winding shaft 21 coaxially rotates to form a first ratchet wheel 31 and a second ratchet wheel 41, teeth of the first ratchet wheel 31 and teeth of the second ratchet wheel 41 are oppositely arranged, the mounting plate 2 is hinged to a first pawl 32 clamped with the first ratchet wheel 31, and a first spring 33 for driving the first pawl 32 to reset is fixed between the first pawl 32 and the mounting plate 2; the mounting plate 2 is provided with a first control mechanism for controlling the first pawl 32 to disengage from the first ratchet wheel 31. A second pawl 42 clamped with the second ratchet wheel 41 is hinged to the mounting plate 2, and a second spring 43 for driving the second pawl 42 to reset is fixed between the second pawl 42 and the mounting plate 2; the mounting plate 2 is provided with a second control mechanism that controls the second pawl 42 to disengage from the second ratchet 41.
Wherein, a first side plate 26 and a second side plate 27 are respectively fixed on two sides of the mounting plate 2, and the planes of the first side plate 26 and the second side plate 27 are both vertical to the mounting plate 2. The first control mechanism comprises a first pull rod 34 hinged to the first pawl 32, a first through groove 261 is formed in the first side plate 26, one end, far away from a hinge point, of the first pull rod 34 extends out of the first through groove 261, and a first limiting mechanism for limiting the first pull rod 34 is installed on the first side plate 26. The second control mechanism is similar to the first control mechanism, the second control mechanism includes a second pull rod 44 hinged to the second pawl 42, a second through groove 271 is formed in the second side plate 27, one end, far away from the hinge point, of the second pull rod 44 extends out of the second through groove 271, and a second limiting mechanism for limiting the second pull rod 44 is mounted on the second side plate 27. Wherein the first 34 and second 44 tie rods move in opposite directions.
First stop gear includes the first stopper 35 with first curb plate 26 sliding connection, and first ring channel 341 has been seted up at first pull rod 34 middle part, and first stopper 35 slides towards first logical groove 261, and first stopper 35 is seted up towards the one end of first logical groove 261 with first circular arc breach 351 of first ring channel 341 complex, first circular arc breach 351 is used for with first ring channel 341 joint. The second limiting mechanism is similar to the first limiting mechanism, the second limiting mechanism comprises a second limiting block 45 which is slidably connected with the second side plate 27, a second annular groove 441 is formed in the middle of the second pull rod 44, the second limiting block 45 slides towards the second through groove 271, a second arc notch 451 which is matched with the second annular groove 441 is formed in one end, facing the second through groove 271, of the second limiting block 45, and the second arc notch 451 is used for being clamped with the second annular groove 441. The first limiting block 35 and the second limiting block 45 can be connected with the first side plate 26 and the second side plate 27 in a sliding manner of conventional sliding rail clamping.
The implementation principle of the embodiment is as follows:
as shown in fig. 7, the aerial work suggests that the removable safety guard is used by wearing the harness body 1 on the user, moving the harness body to the outside, wrapping the end of the safety rope 22 around the guardrail or guard bar, and connecting the end to the buckle 24. At this time, the user is just starting to work, and is concentrated on the work, and the danger is not easily generated when the safety rope 22 and the connecting holder 23 are wound outdoors.
During operation, the first pawl 32 is clamped with the first ratchet wheel 31, the second pawl 42 is separated from the second ratchet wheel 41, so that when the safety rope 22 extends out of the winding shaft 21, the winding shaft 21 rotates, the torsion spring 25 accumulates elastic potential energy, the first pawl 32 and the first ratchet wheel 31 slip, the reverse rotation of the winding shaft 21 is limited, the safety rope 22 is prevented from being retracted, and a user has a comfortable safety rope 22 length and a larger movement space.
After the user finishes working, the length of the safety rope 22 can meet the requirement that the user enters the room, so that the user can release the connection between the fixer 23 and the connecting buckle 24 after returning to the room, and the accident caused by fatigue and when the fixer 23 and the connecting buckle 24 are released outdoors is avoided. And after the connection between the fixer 23 and the connecting buckle 24 is released, the first pull rod 34 is pulled to separate the first pawl 32 from the first ratchet wheel 31, and at this time, the winding shaft 21 rotates under the action of the torsion spring 25 and retracts the safety rope 22 for the next use.
As shown in fig. 8, when the user falls in a foot-missing state, the safety rope 22 extends to the longest length, and the user is in a hanging state under the pulling of the safety rope 22, and at this time, the first pull rod 34 is pulled to contact the clamping relationship between the first pawl 32 and the first ratchet wheel 31, and the first stopper 35 is used for stopping the first pull rod 34, so that the first pawl 32 and the second ratchet wheel 41 are kept in a separated state. Then spacing through releasing second stopper 45 to second pull rod 44, make second pawl 42 and second ratchet 41 joint, thereby when the user upwards climbs safety rope 22, safety rope 22 can be on rolling axle 21 under the effect of torsional spring 25, and under the joint effect of second pawl 42 and second ratchet, rolling axle 21 can not stretch out safety rope 22, the user can carry out again the climbing after the short period of rest, be applicable to middle and old aged's worker, it is more humanized and multi-functional.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. The utility model provides a simple and easy detachable safety device of high altitude construction, includes safety belt body (1), characterized by: a mounting plate (2) is fixed on the front surface of the safety belt body (1), the mounting plate (2) is rotatably connected with a winding shaft (21), the winding shaft (21) is fixedly connected with a safety rope (22), a fixer (23) is installed at one end, far away from the winding shaft (21), of the safety rope (22), and the mounting plate (2) is connected with a connecting buckle (24) used for being connected with the fixer (23); a torsion spring (25) is sleeved on the winding shaft (21), one end of the torsion spring (25) is fixed with the mounting plate (2), the other end of the torsion spring is fixed with the winding shaft (21), and the torsion spring (25) is tightened when the safety rope (22) extends out of the winding shaft (21); a first ratchet wheel (31) coaxially rotates on the winding shaft (21), a first pawl (32) clamped with the first ratchet wheel (31) is hinged to the mounting plate (2), and a first spring (33) for driving the first pawl (32) to reset is fixed between the first pawl (32) and the mounting plate (2); the winding device is characterized in that the mounting plate (2) is provided with a first control mechanism for controlling the first pawl (32) and the first ratchet wheel (31) to release clamping, the winding shaft (21) coaxially rotates a second ratchet wheel (41) with teeth opposite to the first ratchet wheel (31), the mounting plate (2) is hinged with a second pawl (42) clamped with the second ratchet wheel (41), and a second spring (43) for driving the second pawl (42) to reset is fixed between the second pawl (42) and the mounting plate (2); the mounting plate (2) is provided with a second control mechanism for controlling the second pawl (42) and the second ratchet wheel (41) to release clamping connection;
a first side plate (26) perpendicular to the plane of the mounting plate (2) is fixed on the mounting plate (2), the first control mechanism comprises a first pull rod (34) hinged to the first pawl (32), a first through groove (261) is formed in the first side plate (26), one end, far away from the hinged point, of the first pull rod (34) extends out of the first through groove (261), and a first limiting mechanism for limiting the first pull rod (34) is mounted on the first side plate (26);
the first limiting mechanism comprises a first limiting block (35) connected with the first side plate (26) in a sliding mode, a first annular groove (341) is formed in the middle of the first pull rod (34), the first limiting block (35) slides towards the first through groove (261), a first arc notch (351) matched with the first annular groove (341) is formed in one end, facing the first through groove (261), of the first limiting block (35), and the first arc notch (351) is used for being clamped with the first annular groove (341);
a second side plate (27) perpendicular to the plane of the mounting plate (2) is fixed on the mounting plate (2), the second control mechanism comprises a second pull rod (44) hinged to the second pawl (42), a second through groove (271) is formed in the second side plate (27), one end, far away from a hinge point, of the second pull rod (44) extends out of the second through groove (271), and a second limiting mechanism for limiting the second pull rod (44) is mounted on the second side plate (27);
the second limiting mechanism comprises a second limiting block (45) connected with a second side plate (27) in a sliding mode, a second annular groove (441) is formed in the middle of the second pull rod (44), the second limiting block (45) faces towards the second through groove (271) to slide, one end, facing towards the second through groove (271), of the second limiting block (45) is provided with a second circular arc notch (451) matched with the second annular groove (441), and the second circular arc notch (451) is used for being connected with the second annular groove (441) in a clamping mode.
2. The aerial work simple removable safety shield apparatus of claim 1 further comprising: the back mounted of safety belt body (1) has baffle-box (5), install air pump (51), gas tube (52), battery, acceleration sensor, singlechip and gasbag (53) in baffle-box (5), gas tube (52) both ends communicate with the air inlet of gasbag (53) and air pump (51) respectively, the battery with air pump (51) electric connection, acceleration sensor with singlechip electric connection, the singlechip control air pump (51) are opened and close.
3. The aerial work simple removable safety shield apparatus of claim 1 further comprising: the connecting buckle (24) is hinged with the mounting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206659.8A CN111388905B (en) | 2020-03-23 | 2020-03-23 | Simple detachable safety protection device for high-altitude operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206659.8A CN111388905B (en) | 2020-03-23 | 2020-03-23 | Simple detachable safety protection device for high-altitude operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111388905A CN111388905A (en) | 2020-07-10 |
| CN111388905B true CN111388905B (en) | 2021-11-16 |
Family
ID=71417293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010206659.8A Active CN111388905B (en) | 2020-03-23 | 2020-03-23 | Simple detachable safety protection device for high-altitude operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112791324B (en) * | 2021-01-27 | 2022-05-13 | 重庆市巴岳建筑安装工程有限公司 | Safety protection device for high-altitude operation |
| CN113086907B (en) * | 2021-04-01 | 2021-12-14 | 河南金冠宇电力工程有限公司 | High-altitude operation protection system and high-altitude operation vehicle applying same |
| CN113476758B (en) * | 2021-06-11 | 2023-05-05 | 中铁建工集团第二建设有限公司 | Anti-collision and anti-falling system with reinforced anti-collision and anti-falling function based on data monitoring |
| CN113908463B (en) * | 2021-10-09 | 2022-06-07 | 景杰 | Electric automation equipment overhauls safety device |
| CN113975674B (en) * | 2021-11-06 | 2022-08-02 | 郑路 | Emergency rescue device suitable for engineering field |
| CN114135112B (en) * | 2021-12-02 | 2023-01-31 | 泰州巨环起重防护装备有限公司 | High altitude construction safety belt fixing device |
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| CN111388905A (en) | 2020-07-10 |
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