CN114404833A - Guide rail type high-altitude falling protector and working method thereof - Google Patents
Guide rail type high-altitude falling protector and working method thereof Download PDFInfo
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- CN114404833A CN114404833A CN202210194209.0A CN202210194209A CN114404833A CN 114404833 A CN114404833 A CN 114404833A CN 202210194209 A CN202210194209 A CN 202210194209A CN 114404833 A CN114404833 A CN 114404833A
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- 230000001012 protector Effects 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 description 5
- 230000009194 climbing Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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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
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0062—Rail-form lifelines for permanent installation
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Abstract
The invention discloses a guide rail type high-altitude falling protector which comprises main side plates, bottom wheel shafts, bottom wheels, first pin shafts, front support arms, rear support arms, second pin shafts and buckle plates, wherein the two main side plates are arranged in a face-to-face mode, the inner sides of the bottoms of the main side plates are connected with the bottom wheels through the bottom wheel shafts, and the four bottom wheels are symmetrically arranged at the front end and the rear end inside the main side plates respectively; the top of the main side plate is hinged with the front support arm and the rear support arm through the front first pin shaft and the rear first pin shaft, and the length of the front support arm is greater than that of the rear support arm; the front support arm and the rear support arm are hinged to the clamping plate through a second pin shaft, and the clamping plate is provided with a clamping and connecting hole for connecting a safety rope. The guide rail type high-altitude falling protector and the working method thereof have the advantages that the top surface of the aluminum alloy guide rail is clamped in a two-point mode, the clamping and locking strength is high, and the safety is high.
Description
Technical Field
The invention relates to the technical field of falling protectors, in particular to a guide rail type high-altitude falling protector and a working method thereof.
Background
The falling protector utilizes the weight of an object when falling to perform automatic control, and can quickly brake and lock the falling object within a limited distance. During the construction and maintenance of a wind power tower cylinder or a power transmission and distribution line, an operator is often required to climb a ladder stand or an equipment framework for operation, the falling protector is arranged on the guide rail and is climbed after being connected with the safety rope, and when the body of the operator loses balance, the weight of the operator can quickly lock the falling protector on the guide rail, so that the accident of the operator is avoided.
The I-shaped aluminum alloy guide rail falling protector is a falling protector which can slide on an I-shaped aluminum alloy guide rail correspondingly. The existing guide rail safety catcher mainly comprises a shell and a pull arm, wherein the bottom of the shell is provided with a bottom wheel which is matched with a guide rail to roll, and a top plate of the guide rail slides in the bottom wheel and a shell groove. However, in the single pull arm structure, when the top end is pulled downwards suddenly, the cam at the bottom end of the pull arm is clamped on the top plate of the guide rail for locking. The single clamping locking point is easy to damage the top surface of the I-shaped aluminum alloy guide rail, so that the use of equipment is influenced.
Therefore, the development of a guide rail type high-altitude falling protector and a working method thereof is needed.
Disclosure of Invention
The invention aims to provide a guide rail type high-altitude falling protector which is high in clamping and locking strength and safety by clamping the top surface of an aluminum alloy guide rail in a two-point mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a guide rail type high-altitude falling protector which comprises a main side plate, a bottom wheel shaft, bottom wheels, a first pin shaft, a front support arm, a rear support arm, a second pin shaft and a clamping plate, wherein the two main side plates are arranged in a face-to-face manner, the inner side of the bottom of the main side plate is connected with the bottom wheels through the bottom wheel shaft, and the four bottom wheels are symmetrically arranged at the front end and the rear end in the main side plate respectively; the top of the main side plate is hinged with the front support arm and the rear support arm through the front first pin shaft and the rear first pin shaft, and the length of the front support arm is greater than that of the rear support arm; the front support arm and the rear support arm are hinged to the clamping plate through a second pin shaft, and the clamping plate is provided with a clamping and connecting hole for connecting a safety rope.
Furthermore, the bottom wheel is rotatably sleeved at the inner end of the bottom wheel shaft, the outer end of the bottom wheel shaft is inserted into the bottom hole of the main side plate, and the outer end face of the bottom wheel shaft is provided with a threaded hole and is in threaded connection with a first screw to axially lock.
Furthermore, the outer wheel surface of the bottom wheel is an outer cone wheel surface, and the outer cone wheel surface is obliquely arranged in a high-inner-low mode and is matched with the bottom surface of the guide rail top plate.
Furthermore, the two ends of the first pin shaft are inserted into the top hole of the main side plate, and the end face of the first pin shaft is provided with threads and is in threaded connection with a second screw for axial locking.
Furthermore, the device also comprises four upper rollers, wherein the number of the upper rollers is four; the two upper rollers can be rotatably sleeved on the first pin shaft and are respectively positioned on two sides of the front support arm or the rear support arm.
Furthermore, the bottom front side of preceding support arm and back support arm sets up fillet and back support arm fillet behind the preceding support arm respectively, the diameter of going up the gyro wheel is greater than fillet and back support arm fillet behind the preceding support arm, it contacts to go up the gyro wheel roll guide rail roof top surface.
Further, still include the torsional spring, the torsional spring spiral position cup joints the first round pin outside of axes, torsional spring one end joint is in the curb plate inner wall constant head tank of owner, the torsional spring other end compresses tightly on the preceding support arm antetheca.
Furthermore, C-shaped grooves are formed in the top ends of the front support arm and the rear support arm, two ends of the clamping plate are inserted into the C-shaped grooves and are laterally inserted and hinged through second pin shafts, and the extending ends of the second pin shafts are axially locked through clamp spring sets.
Furthermore, the clamp spring group comprises a first clamp spring and a second clamp spring, and two clamp spring grooves are formed in the extending end of the second pin shaft and are used for mounting the first clamp spring and the second clamp spring respectively; the clamp spring group further comprises a clamp spring protective cap, the clamp spring protective cap is buckled on the inner side of the first clamp spring, and the second clamp spring axially clamps the clamp spring protective cap.
The invention also discloses a working method of the guide rail type high-altitude falling protector, which is characterized in that the guide rail type high-altitude falling protector is connected to the top plate of the guide rail in a guiding way, and two support arms are simultaneously locked on the upper surface of the top plate of the guide rail.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention relates to a guide rail type high-altitude falling protector, which is characterized in that through an inequilateral quadrilateral structure consisting of a main side plate, a front support arm, a rear support arm and a clamping plate, when the clamping plate receives downward sudden falling force, the front support arm and the rear support arm are respectively pulled to rotate around respective first pin shafts, and a front support arm clamping table and a rear support arm clamping table are simultaneously clamped on the top surface of a guide rail top plate. The guide rail type high-altitude falling protector integrally adopts a plate and a pin shaft to be installed, and compared with an integral shell structure in the market, the guide rail type high-altitude falling protector is convenient to machine and form, small in weight and high in strength. The guide rail type high-altitude falling protector and the working method thereof have the advantages that the top surface of the aluminum alloy guide rail is clamped in a two-point mode, the clamping and locking strength is high, and the safety is high.
In addition, the outer end of the bottom wheel shaft is axially locked through the first screw, so that the loosening prevention effect can be achieved; the outer wheel face of the bottom wheel is set to be the outer cone wheel face, and the outer wheel face can be well matched with the bottom face of the guide rail top plate, so that the contact area is increased, and the running is more stable. The end face of the first pin shaft is axially locked through the second screw, so that the pin shaft can be prevented from loosening; through the arrangement of the upper roller, the diameter of the upper roller is larger than the rear round angle of the front support arm and the round angle of the rear support arm, the upper roller can be in rolling contact with the top surface of the guide rail top plate, and the resistance of an operator in upward traction in the climbing process is reduced. Through the arrangement of the torsion spring, the front support arm can be pushed backwards, the top ends of the front support arm and the rear support arm are ensured to be inclined backwards, the front support arm clamping platform and the rear support arm clamping platform slightly clamp the top surface of the guide rail top plate, and the guide rail type high-altitude falling protector disclosed by the invention is prevented from sliding downwards under the action of the dead weight. The two ends of the buckling plate are inserted into the C-shaped groove and are laterally inserted and hinged by the second pin shaft, so that the connecting strength is high, and the falling off is avoided; the falling risk is reduced by simultaneously clamping the double insurance of the second pin shaft by the first clamp spring and the second clamp spring; through the setting of jump ring helmet, can form the protection to inboard first jump ring, avoid receiving external force and unexpected the droing.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic structural diagram of a guide rail type high-altitude safety catcher in a front view;
FIG. 2 is a schematic diagram of a right-view structure of the guide rail type high-altitude falling protector of the invention;
FIG. 3 is a schematic top view of the guide rail type high altitude safety catcher of the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of the guide rail type high altitude safety catcher of the present invention;
FIG. 5 is a perspective view of the front arm of the present invention;
FIG. 6 is a schematic sectional view of the portion A-A in FIG. 1;
FIG. 7 is a schematic cross-sectional view of the portion B-B in FIG. 1;
fig. 8 is a schematic sectional view of the portion C-C in fig. 1.
Description of reference numerals: 1. a main side plate; 101. a guard plate; 2. a bottom wheel shaft; 3. a bottom wheel; 301. an outer cone surface; 4. a first pin shaft; 5. a front support arm; 501. the front support arm is rounded at the back; 502. a front support arm clamping table; 503. a compression spring groove; 6. a rear support arm; 602. a rear arm clamping table; 7. a second pin shaft; 8. a buckle plate; 801. the buckle is penetrated through the hole; 9. a torsion spring; 10. a first screw; 11. a second screw; 12. a first clamp spring; 13. a clamp spring protective cap; 14. a second clamp spring; 15. and (4) mounting a roller.
Detailed Description
The core of the invention is to provide a guide rail type high-altitude falling protector and a working method thereof.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to the attached drawings, FIG. 1 is a schematic structural diagram of a guide rail type high-altitude safety catcher in a front view; FIG. 2 is a schematic diagram of a right-view structure of the guide rail type high-altitude falling protector of the invention; FIG. 3 is a schematic top view of the guide rail type high altitude safety catcher of the present invention; FIG. 4 is a schematic view of a three-dimensional structure of the guide rail type high altitude safety catcher of the present invention; FIG. 5 is a perspective view of the front arm of the present invention; FIG. 6 is a schematic sectional view of the portion A-A in FIG. 1; FIG. 7 is a schematic cross-sectional view of the portion B-B in FIG. 1; fig. 8 is a schematic sectional view of the portion C-C in fig. 1.
In a specific embodiment, as shown in fig. 1 to 5, a guide rail type high altitude safety catcher includes a main side plate 1, a bottom wheel shaft 2, a bottom wheel 3, a first pin shaft 4, a front support arm 5, a rear support arm 6, a second pin shaft 7 and a buckle plate 8. Two main curb plate 1 face-to-face settings, 1 bottom inboard of main curb plate is connected return pulley 3 through return pulley axle 2, and the quantity of return pulley 3 is four respectively the symmetry set up both ends around main curb plate 1 is inside. The top of the main side plate 1 is hinged with a front support arm 5 and a rear support arm 6 through a front first pin shaft 4 and a rear first pin shaft 4, two ends of the first pin shaft 4 are respectively connected with the two main side plates 1, and the length of the front support arm 5 is larger than that of the rear support arm 6. Preceding support arm 5 and back support arm 6 bottom rear side are provided with preceding support arm joint platform 502 and back support arm joint platform 602 respectively towards the guide rail top surface, and articulated buckle 8 of second round pin axle 7 is passed through on preceding support arm 5 and the 6 tops of back support arm, offers the buckle cross-under hole 801 of connecting the safety rope on the buckle 8.
Through the inequilateral quadrilateral structure formed by the main side plate 1, the front support arm 5, the rear support arm 6 and the snap-in plate 8, when the snap-in plate 8 receives downward sudden dropping force, the front support arm 5 and the rear support arm 6 are pulled to respectively rotate around respective first pin shafts 4, and the front support arm clamping table 502 and the rear support arm clamping table 602 are clamped on the top surface of the guide rail top plate simultaneously. The guide rail type high-altitude falling protector integrally adopts a plate and a pin shaft to be installed, and compared with an integral shell structure in the market, the guide rail type high-altitude falling protector is convenient to machine and form, small in weight and high in strength. The guide rail type high-altitude falling protector and the working method thereof have the advantages that the top surface of the aluminum alloy guide rail is clamped in a two-point mode, the clamping and locking strength is high, and the safety is high.
In a specific embodiment of the present invention, as shown in fig. 1 to 4 and fig. 6, the bottom wheel 3 is rotatably sleeved at the inner end of the bottom wheel shaft 2, the outer end of the bottom wheel shaft 2 is inserted into the bottom hole of the main side plate 1, and the outer end surface of the bottom wheel shaft 2 is provided with a threaded hole and is in threaded connection with the first screw 10 for axial locking.
Specifically, as shown in fig. 1 to 4 and 6, the outer wheel surface of the bottom wheel 3 is provided as an outer cone wheel surface 301, and the outer cone wheel surface 301 is inclined outward and inward and is adapted to the bottom surface of the guide rail top plate.
The outer end of the bottom wheel shaft 2 is axially locked through the first screw 10, so that the loosening prevention effect can be achieved; through the foreign steamer face with return pulley 3 set up to outer cone pulley face 301, can be fine with the guide rail roof bottom surface cooperatees, improves area of contact, and the operation is more stable.
In an embodiment of the present invention, as shown in fig. 1 to 4 and 8, two ends of the first pin 4 are inserted into the top hole of the main side plate 1, and the end surface of the first pin 4 is threaded and is threadedly connected to the second screw 11 for axial locking.
Specifically, as shown in fig. 1 to 4 and 8, the guide rail type high-altitude falling protector further comprises four upper rollers 15, and the number of the upper rollers 15 is four. The two upper rollers 15 can be rotatably sleeved on the first pin shaft 4 and are respectively positioned on two sides of the front support arm 5 or the rear support arm 6. The cross section of the wheel body of the upper roller 15 is isosceles trapezoid, and the outer wheel surface is narrowed.
Specifically, as shown in fig. 1 to 4 and fig. 8, the bottom front sides of the front support arm 5 and the rear support arm 6 are respectively provided with a front support arm rear fillet 501 and a rear support arm fillet, the diameter of the upper roller 15 is larger than the front support arm rear fillet 501 and the rear support arm fillet, and the upper roller 15 is in rolling contact with the top surface of the guide rail top plate.
The end face of the first pin shaft 4 is axially locked through the second screw 11, so that the pin shaft can be prevented from loosening; by arranging the upper roller 15, the diameter of the upper roller 15 is larger than the rear round angle 501 of the front support arm and the round angle of the rear support arm, so that the upper roller can be in rolling contact with the top surface of the guide rail top plate, and the resistance of an operator in pulling the guide rail type high-altitude falling protector upwards in the climbing process is reduced.
In a specific embodiment of the present invention, as shown in fig. 1 to 5 and 8, the guide rail type high altitude safety catcher further includes a torsion spring 9, a spiral portion of the torsion spring 9 is sleeved outside the first pin 4, one end of the torsion spring 9 is clamped in a positioning groove on an inner wall of the main side plate 1, and the other end of the torsion spring 9 is pressed in a pressure spring groove 503 on a front wall of the front arm 5.
Through the arrangement of the torsion spring 9, the front support arm 5 can be pushed backwards, the top ends of the front support arm 5 and the rear support arm 6 are ensured to be inclined backwards, the front support arm clamping platform 502 and the rear support arm clamping platform 602 slightly clamp the top surface of the guide rail top plate, and the guide rail type high-altitude falling protector disclosed by the invention is prevented from sliding downwards under the action of self weight.
In a specific embodiment of the present invention, as shown in fig. 1 to 4 and 7, a C-shaped groove is formed in the center of the top ends of the front arm 5 and the rear arm 6, two ends of the fastening plate 8 are inserted into the C-shaped groove and are hinged by inserting the second pin 7 laterally, and the protruding end of the second pin 7 is axially locked by the snap spring set.
Specifically, as shown in fig. 1 to 4 and fig. 7, the clamp spring group includes a first clamp spring 12 and a second clamp spring 14, and the protruding end of the second pin 7 is provided with two clamp spring grooves for respectively installing the first clamp spring 12 and the second clamp spring 14. The clamp spring group further comprises a clamp spring protective cap 13, the clamp spring protective cap 13 is buckled on the first clamp spring 12 on the inner side, and the second clamp spring 14 is axially clamped on the clamp spring protective cap 13.
The two ends of the buckling plate 8 are inserted into the C-shaped groove and are laterally inserted and hinged by the second pin shaft 7, so that the connecting strength is high, and the falling off is avoided; the falling risk is reduced through the double insurance that the first clamp spring 12 and the second clamp spring 14 are clamped with the second pin shaft 7 at the same time; through the setting of jump ring helmet 13, can form the protection to inboard first jump ring 12, avoid receiving external force and unexpected the droing.
In an embodiment of the present invention, as shown in fig. 1 to 4, the main side plate 1 is provided with a guard plate 101 at the front and rear outer sides of the bottom wheel 3, the guard plate 101 effectively protects the bottom wheel 3 in the advancing direction, and if the top plate of the guide rail has an obstacle, the guide rail can be scraped and removed to avoid entering the wheel surface of the bottom wheel 3 to form an obstacle jam.
The invention also discloses a working method of the guide rail type high-altitude falling protector, the guide rail type high-altitude falling protector in any one of the embodiments is connected to the top plate of the guide rail in a guiding way, and two support arms are simultaneously locked on the upper surface of the top plate of the guide rail to perform falling prevention locking.
The working process of the guide rail type high-altitude falling protector comprises the following steps: the guide rail type high-altitude falling protector is arranged on the top plate of the guide rail, and an operator connects the safety rope into the buckle through hole 801 through a buckle. When climbing upwards, the safety rope drags the buckling plate 8 to move upwards, the buckling plate 8 pushes the scalene quadrangle to overcome the resistance of the torsion spring 9 and slightly deform upwards, the rear upper roller 15 and the front bottom wheel 3 respectively contact the upper surface and the bottom surface of the guide rail top plate in a rolling manner, and the guide rail type high-altitude falling protector smoothly moves upwards. During pause, the torsion spring 9 pushes the front support arm 5 backwards, the trapezoid slightly deforms downwards, and the front support arm clamping table 502 and the rear support arm clamping table 602 slightly clamp the top surface of the guide rail top plate to avoid the self-weight gliding of the guide rail type high-altitude falling protector. When the guide rail type high-altitude falling protector climbs downwards, the safety rope drags the clamping plate 8 to descend slowly, the front support clamping table 502 and the rear support clamping table 602 are not locked, and the guide rail type high-altitude falling protector can overcome the clamping resistance to descend slowly when dragged.
According to the guide rail type high-altitude falling protector, due to the fact that the inequilateral quadrilateral structure is formed by the main side plate 1, the front support arm 5, the rear support arm 6 and the clamping plate 8, when the clamping plate 8 receives downward sudden falling force, the front support arm 5 and the rear support arm 6 are pulled to rotate around the respective first pin shafts 4 respectively, and the front support arm clamping table 502 and the rear support arm clamping table 602 are clamped on the top face of a guide rail top plate simultaneously. The guide rail type high-altitude falling protector integrally adopts a plate and a pin shaft to be installed, and compared with an integral shell structure in the market, the guide rail type high-altitude falling protector is convenient to machine and form, small in weight and high in strength. The guide rail type high-altitude falling protector and the working method thereof have the advantages that the top surface of the aluminum alloy guide rail is clamped in a two-point mode, the clamping and locking strength is high, and the safety is high. In addition, the first screw 10 axially locks the outer end of the bottom wheel shaft 2, so that the loosening prevention function can be realized; through the foreign steamer face with return pulley 3 set up to outer cone pulley face 301, can be fine with the guide rail roof bottom surface cooperatees, improves area of contact, and the operation is more stable. The end face of the first pin shaft 4 is axially locked through the second screw 11, so that the pin shaft can be prevented from loosening; by arranging the upper roller 15, the diameter of the upper roller 15 is larger than the rear round angle 501 of the front support arm and the round angle of the rear support arm, so that the upper roller can be in rolling contact with the top surface of the guide rail top plate, and the resistance of an operator in pulling the guide rail type high-altitude falling protector upwards in the climbing process is reduced. Through the arrangement of the torsion spring 9, the front support arm 5 can be pushed backwards, the top ends of the front support arm 5 and the rear support arm 6 are ensured to be inclined backwards, the front support arm clamping platform 502 and the rear support arm clamping platform 602 slightly clamp the top surface of the guide rail top plate, and the guide rail type high-altitude falling protector disclosed by the invention is prevented from sliding downwards under the action of self weight. The two ends of the buckling plate 8 are inserted into the C-shaped groove and are laterally inserted and hinged by the second pin shaft 7, so that the connecting strength is high, and the falling off is avoided; the falling risk is reduced through the double insurance that the first clamp spring 12 and the second clamp spring 14 are clamped with the second pin shaft 7 at the same time; through the setting of jump ring helmet 13, can form the protection to inboard first jump ring 12, avoid receiving external force and unexpected the droing.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.
Claims (10)
1. The utility model provides a guide tracked high altitude safety hook which characterized in that: the clamping device comprises main side plates (1), bottom wheel shafts (2), bottom wheels (3), first pin shafts (4), front support arms (5), rear support arms (6), second pin shafts (7) and clamping plates (8), wherein the two main side plates (1) are arranged face to face, the inner sides of the bottoms of the main side plates (1) are connected with the bottom wheels (3) through the bottom wheel shafts (2), and the four bottom wheels (3) are symmetrically arranged at the front end and the rear end inside the main side plates (1); the top of the main side plate (1) is hinged with the front support arm (5) and the rear support arm (6) through the front and the rear first pin shafts (4), and the length of the front support arm (5) is larger than that of the rear support arm (6); preceding support arm (5) and back support arm (6) bottom rear side are provided with preceding support arm joint platform (502) and back support arm joint platform (602) respectively towards the guide rail top surface, preceding support arm (5) and back support arm (6) top are articulated through second round pin axle (7) buckle board (8), buckle cross-under hole (801) of connecting the safety rope have been seted up on buckle board (8).
2. The guideway type high altitude safety catcher of claim 1, wherein: the bottom wheel (3) is rotatably sleeved at the inner end of the bottom wheel shaft (2), the outer end of the bottom wheel shaft (2) is inserted into the bottom hole of the main side plate (1), and a threaded hole is formed in the outer end face of the bottom wheel shaft (2) and is in threaded connection with a first screw (10) for axial locking.
3. The guideway type high altitude safety catcher of claim 2, wherein: the outer wheel face of the bottom wheel (3) is arranged to be an outer cone wheel face (301), and the outer cone wheel face (301) is inclined from high to low and is matched with the bottom face of the guide rail top plate.
4. The guideway type high altitude safety catcher of claim 1, wherein: two ends of the first pin shaft (4) are inserted into the top hole of the main side plate (1), and the end face of the first pin shaft (4) is provided with threads and is in threaded connection with a second screw (11) for axial locking.
5. The guideway high altitude safety catcher of claim 4, wherein: the device also comprises four upper rollers (15), wherein the number of the upper rollers (15) is four; the two upper rollers (15) can be rotatably sleeved on the first pin shaft (4) and are respectively positioned on two sides of the front support arm (5) or the rear support arm (6).
6. The guideway high altitude fall arrestor of claim 5, wherein: preceding support arm (5) and rear support arm (6)'s bottom front side sets up fillet behind preceding support arm (501) and rear support arm fillet respectively, the diameter of going up gyro wheel (15) is greater than fillet behind preceding support arm (501) and rear support arm fillet, it rolls contact to go up gyro wheel (15) guide rail roof top surface.
7. The guide rail type high altitude safety catch according to any one of claims 4 to 6, characterized in that: still include torsional spring (9), torsional spring (9) spiral position cup joints the first round pin axle (4) outside, torsional spring (9) one end joint is in curb plate (1) inner wall constant head tank, torsional spring (9) other end compresses tightly on preceding support arm (5) antetheca.
8. The guideway type high altitude safety catcher of claim 1, wherein: c-shaped grooves are formed in the top ends of the front support arm (5) and the rear support arm (6), two ends of the clamping plate (8) are inserted into the C-shaped grooves and are laterally inserted and hinged through the second pin shaft (7), and the extending end of the second pin shaft (7) is axially locked through the clamping spring set.
9. The guideway high altitude fall arrestor of claim 9, wherein: the clamp spring group comprises a first clamp spring (12) and a second clamp spring (14), and two clamp spring grooves are formed in the extending end of the second pin shaft (7) and are respectively used for installing the first clamp spring (12) and the second clamp spring (14); the clamp spring group further comprises a clamp spring protective cap (13), the clamp spring protective cap (13) is buckled on the inner side of the first clamp spring (12), and the second clamp spring (14) is axially clamped on the clamp spring protective cap (13).
10. A working method of a guide rail type high-altitude falling protector is characterized in that the guide rail type high-altitude falling protector is connected to a top plate of a guide rail in a guiding mode according to any one of claims 1 to 9, and two support arms are used for being locked to the upper surface of the top plate of the guide rail at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194209.0A CN114404833A (en) | 2022-03-01 | 2022-03-01 | Guide rail type high-altitude falling protector and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210194209.0A CN114404833A (en) | 2022-03-01 | 2022-03-01 | Guide rail type high-altitude falling protector and working method thereof |
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| CN114404833A true CN114404833A (en) | 2022-04-29 |
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| CN202210194209.0A Pending CN114404833A (en) | 2022-03-01 | 2022-03-01 | Guide rail type high-altitude falling protector and working method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728550Y (en) * | 2004-07-09 | 2005-09-28 | 宁波天弘电力器具有限公司 | Guide external safety hook |
| CN201139884Y (en) * | 2007-12-20 | 2008-10-29 | 郑汉生 | Automatic fall-preventing equipment for claming |
| CN201192543Y (en) * | 2008-05-30 | 2009-02-11 | 温州信德电力配件有限公司 | Rail type aloft falling protector with single brake bar |
| CN110215627A (en) * | 2019-06-12 | 2019-09-10 | 北京国网富达科技发展有限责任公司 | A kind of fall arrest track self-locking device |
| CN217391432U (en) * | 2022-03-01 | 2022-09-09 | 广东欲丰电器制造有限公司 | Guide rail type high-altitude falling protector |
-
2022
- 2022-03-01 CN CN202210194209.0A patent/CN114404833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728550Y (en) * | 2004-07-09 | 2005-09-28 | 宁波天弘电力器具有限公司 | Guide external safety hook |
| CN201139884Y (en) * | 2007-12-20 | 2008-10-29 | 郑汉生 | Automatic fall-preventing equipment for claming |
| CN201192543Y (en) * | 2008-05-30 | 2009-02-11 | 温州信德电力配件有限公司 | Rail type aloft falling protector with single brake bar |
| CN110215627A (en) * | 2019-06-12 | 2019-09-10 | 北京国网富达科技发展有限责任公司 | A kind of fall arrest track self-locking device |
| CN217391432U (en) * | 2022-03-01 | 2022-09-09 | 广东欲丰电器制造有限公司 | Guide rail type high-altitude falling protector |
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