CN219299202U - High-altitude operation safety cat ladder of booster station - Google Patents

Abstract

The utility model provides a high-altitude operation safety ladder for a booster station, which comprises a ladder body, wherein a safety slide rail is arranged on a pedal rod of the ladder body, the safety slide rail is positioned in the middle of the pedal rod and is extended and paved along the height direction of the ladder body, a falling prevention device is arranged on the safety slide rail and comprises a limit lock block and a lock arm for connecting an overhaul worker, the limit lock block is clamped on the safety slide rail and can slide along the safety slide rail, the lock arm is rotatably arranged in the limit lock block, the lock arm can be in contact with or separated from the safety slide rail through rotation so as to lock the limit lock block on the safety slide rail or enable the limit lock block to slide along the safety slide rail, the overhaul worker can move more smoothly along the slide rail in the climbing process, the gravity center of the body can not be influenced if the falling situation occurs, the falling prevention device and the overhaul worker form vertical traction, the gravity center of the overhaul worker is abutted against the ladder, and the risk of falling of the overhaul worker from the ladder is reduced.

Description

High-altitude operation safety cat ladder of booster station

Technical Field

The utility model relates to the technical field of climbing equipment, in particular to a safe climbing ladder for high-altitude operation of a booster station.

Background

The booster station is an integral system for converting passed charge and voltage, an electric device of the booster station is erected at high altitude through structural supports such as section steel and concrete filled steel tube, a ladder stand is generally arranged on the structural support of the booster station for facilitating maintenance, maintenance personnel need to climb and climb at regular intervals to safely maintain the booster station, the maintenance personnel generally use double-hook safety belts as anti-falling facilities to climb in the climbing and elevating process, and the climbing speed is slow due to the fact that the tying and hanging positions of the double-hook safety belts are required to be continuously switched in the climbing process, so that climbing is very inconvenient and has certain potential safety hazards.

Among the prior art, the authorized bulletin number is CN214118054U, discloses an electric pole cat ladder platform device, is provided with vertical slide rail on the fixed pipe of side of cat ladder that is connected with the electric pole, and the outside at vertical slide rail is fixed in the joint of U type safety hook moves, articulates with the safety rope that maintainer hand-carried to fall when avoiding the maintainer climbing. However, the above prior art has the following technical problems during use: the vertical slide rail sets up in the one side of cat ladder, and after the safety rope of U type safety hook and maintainer was hung, the safety rope can be located one side of maintainer, and the maintainer is at climbing in-process, and the safety rope pulls U type safety hook in one side of maintainer, makes the maintainer unable balance of keeping the health easily, moreover, in case there is the landing condition to take place, and the safety rope can form the side direction traction force to the maintainer, makes maintainer's focus take place the skew, has certain potential safety hazard.

Disclosure of Invention

In view of the above, it is necessary to provide a safe ladder stand for high-altitude operation of a booster station, which is convenient to use and improves the operation safety.

The utility model provides a booster station high altitude construction safety cat ladder, includes the cat ladder body, be provided with safe slide rail on the pedal rod of cat ladder body, safe slide rail is located the middle part of pedal rod to extend along the direction of height of cat ladder body and lay, be provided with anti-falling device on safe slide rail, anti-falling device includes spacing locking piece and is used for connecting the lock arm of maintainer, spacing locking piece card is established on safe slide rail to can slide along safe slide rail's extending direction, the rotatable installation of lock arm is in spacing locking piece, and the lock arm can contact or separate with safe slide rail through rotating, in order to lock spacing locking piece on safe slide rail or make spacing locking piece can slide along safe slide rail.

Preferably, one side of the limiting locking piece is longitudinally provided with a chute matched with the safety slide rail, the chute is clamped on the safety slide rail and can slide along the extending direction of the safety slide rail, the other side of the limiting locking piece is provided with a through groove penetrating through the chute, a pin shaft is arranged in the through groove, one end of the locking arm can be rotatably arranged on the pin shaft in the through groove, the other end of the locking arm extends out to one side, far away from the chute, of the through groove, the extending end of the locking arm is provided with a safety lock catch for connecting an maintainer, one end of the locking arm is provided with a protrusion protruding towards the direction of the chute, one end, provided with the safety lock catch, of the locking arm can vertically rotate along the protruding end, and when the locking arm downwards rotates, the protrusion of the locking arm extrudes towards the direction of the chute and contacts with the safety slide rail on the chute so as to fix the limiting locking piece on the safety slide rail, and when the locking arm upwards rotates, the protrusion of the locking arm is separated from the safety slide rail on the chute, and the limiting locking piece can slide along the safety slide rail.

Preferably, an extension spring is arranged in the through groove, the extension spring is arranged below the locking arm, one end of the extension spring is connected with the through groove, and the other end of the extension spring is connected with the locking arm so as to form downward rotating traction force for the locking arm.

Preferably, an anti-slip layer is arranged on the end face of the safety slide rail, which is contacted with the protrusion of the locking arm.

Preferably, the safety slide rail is provided with a plurality of fixing pieces fixed with the pedal rods, each fixing piece comprises a clamping seat and a fixing seat, a T-shaped groove is formed in the back of the safety slide rail, the T-shaped groove is formed in the length direction of the safety slide rail, each clamping seat is clamped in the T-shaped groove and can move in the length direction of the T-shaped groove, each fixing seat can be clamped on any pedal rod, fixing bolts are arranged at two ends of each fixing seat, and can penetrate into the T-shaped groove respectively and are in threaded connection with the clamping seats in the T-shaped groove so as to fix the safety slide rail on the pedal rods.

Preferably, the safe slide rail is the multiunit, and every group safe slide rail can end to end, is in every group safe slide rail end to end's junction all is provided with the connecting piece, every the connecting piece all includes connection base and grip slipper, the both ends of connection base are blocked respectively and are established in the T-shaped inslot of two safe slide rails of end to end, the grip slipper sets up in the outside of T-shaped inslot, sets up relatively with connection base, the both ends of grip slipper all are provided with clamping bolt, clamping bolt can penetrate T-shaped inslot respectively, with connection base threaded connection to it is fixed to hold two safe slide rails of end to end.

The utility model adopts the technical proposal and has the beneficial effects that: through setting up safe slide rail and anti-falling device at the middle part of the pedal rod of cat ladder body, anti-falling device is connected the back with the maintainer, and anti-falling device is located the middle part of maintainer, and the maintainer is at climbing in-process, and traction anti-falling device removes more smoothly along the slide rail, and the focus of health also can not receive the influence, if take place the landing condition, anti-falling device forms perpendicular traction with the maintainer, makes the focus of maintainer closely the cat ladder, reduces the risk that the maintainer falls from the cat ladder, provides the safety guarantee for the maintainer.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of another angle structure of the present utility model.

Fig. 3 is a schematic view of a partial structure of the present utility model.

Fig. 4 is a schematic structural view of the fall protection device of the present utility model.

Fig. 5 is a schematic view of the cross-sectional structure of fig. 4 taken along A-A.

Fig. 6 is a schematic view of the structure of the locking arm of the fall protection device.

Fig. 7 is a schematic structural view of a fixing member of the present utility model.

Fig. 8 is a schematic view of the structure of the connector of the present utility model.

In the figure: the ladder stand comprises a ladder stand body 10, a ladder beam 101, a pedal rod 102, a connecting frame 103, a safety slide rail 20, a T-shaped groove 201, a falling prevention device 30, a limit lock block 301, a lock arm 302, a slide groove 303, a through groove 304, a bulge 305, a safety lock catch 306, a tension spring 307, a pin shaft 308, a fixing piece 40, a clamping seat 401, a fixing seat 402, a fixing bolt 403, a connecting piece 50, a connecting seat 501, a clamping seat 502 and a clamping bolt 503.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Referring to fig. 1, the embodiment of the utility model provides a safety ladder for high-altitude operation of a booster station, which comprises a ladder body 10, wherein a safety slide rail 20 is arranged on a pedal rod 102 of the ladder body 10, the safety slide rail 20 is positioned in the middle of the pedal rod 102 and extends and lays along the height direction of the ladder body 10, a falling prevention device 30 is arranged on the safety slide rail 20, the falling prevention device 30 comprises a limit lock block 301 and a lock arm 302 for connecting an maintainer, the limit lock block 301 is clamped on the safety slide rail 20 and can slide along the extending direction of the safety slide rail 20, the lock arm 302 is rotatably arranged in the limit lock block 301, and the lock arm 302 can be contacted with or separated from the safety slide rail 20 through rotation so as to lock the limit lock block 301 on the safety slide rail 20 or enable the limit lock block 301 to slide along the safety slide rail 20.

Specifically, the ladder stand body 10 is composed of two ladder beams 101 and a plurality of pedal rods 102 which are arranged in parallel, the pedal rods 102 are transversely arranged between the two ladder beams 101 and are arranged at intervals along the length direction of the ladder beams 101, a frame support of a booster station or a connecting frame 103 fixedly arranged with a telegraph pole is arranged on the ladder stand body 10, the safety slide rail 20 is a prefabricated guide rail and is fixedly arranged on the pedal rods 102 of the ladder stand body 10 and is positioned at the middle of the two ladder beams 101, the safety slide rail is extended and paved along the length direction of the ladder beams 101, the limit lock block 301 is clamped on the safety slide rail 20 and can slide along the length direction of the safety slide rail 20, one end of the lock arm 302 is rotatably arranged in the limit lock block 301, the other end of the lock arm 302 extends to the outer side of the limit lock block 301 and is connected with a safety belt worn on a maintainer, one end of the locking arm 302, which is connected with an maintainer, can freely rotate up and down along one end arranged in the limit locking block 301, when the locking arm 302 rotates downwards, the outer surface of one end of the locking arm 302, which is positioned in the limit locking block 301, moves towards the safety slide rail 20 in the limit locking block 301 and is extruded on the outer surface of the safety slide rail 20, the limit locking block 301 can be clamped on the safety slide rail 20 through extrusion friction, when the locking arm 302 rotates upwards, the protruding part of the outer surface of the locking arm 302 is separated from the outer surface of the safety slide rail 20 in the limit locking block 301, the limit locking block 301 can be loosened, so that the limit locking block 301 can freely slide along the safety slide rail 20, when the maintainer climbs upwards, the safety belt worn on the maintainer pulls the locking arm 302 to rotate upwards, at the moment, the limit locking block 301 and the safety slide rail 20 are in a slidable state, and when the maintainer climbs upwards, the limit locking block 301 slides upwards along the safety slide rail 20, when an maintainer climbs downwards, the lock arm 302 can be manually rotated upwards to loosen the limiting lock block 301 and move downwards gradually, if a sliding situation occurs, the lock arm 302 can be downwardly and tightly extruded on the safety slide rail 20 under the self weight of the maintainer, and safety guarantee is provided for the maintainer.

Referring to fig. 4 to 6, further, a sliding groove 303 matched with the safety sliding rail 20 is longitudinally provided on one side of the limit locking block 301, the sliding groove 303 is clamped on the safety sliding rail 20 and can slide along the extending direction of the safety sliding rail 20, a through groove 304 penetrating through the sliding groove 303 is provided on the other side of the limit locking block 301, a pin shaft 308 is transversely provided in the through groove 304, one end of the locking arm 302 can be rotatably mounted on the pin shaft 308 in the through groove 204, the other end of the locking arm 302 extends to one side of the through groove 304 away from the sliding groove 303, a safety lock catch 306 for connecting an overhauler is provided on one end of the locking arm 302 extending, a protrusion 305 is provided on one side of one end of the locking arm 302, facing the sliding groove 303, of the locking arm 302, and one end of the locking arm 302, provided with the safety lock catch 306, can move up and down along the direction of the pin shaft 308, when the locking arm 302 rotates down, the protrusion 305 driving the locking arm 302 moves towards the sliding groove 303 of the limit locking block 301 and is extruded on the safety sliding rail 20 in the sliding groove 303, the limit locking arm 301 can be clamped on the safety sliding rail 20 through extrusion friction force, and the locking arm 302 can be separated from the safety sliding rail 20 in the upward direction of the sliding rail 20.

Referring to fig. 5, further, an extension spring 307 is disposed in the through slot 304, the extension spring 307 is disposed below the locking arm 302, one end of the extension spring 307 is connected to the through slot 304, and the other end of the extension spring 307 is connected to the locking arm 302, so as to form a downward rotation traction force on the locking arm 302, when an maintainer climbs down or the traction force between a safety belt worn by the maintainer and the locking arm 302 is loose, the locking arm 302 rotates downward under the action force of the extension spring 307, actively locks the limiting locking block 301, and if the maintainer slides down, the limiting locking block 301 does not slide, thereby improving active safety and providing safety guarantee for the maintainer.

Further, an anti-slip layer is disposed on the end surface of the safety slide rail 20 contacting with the protrusion 305 of the locking arm 302, and the anti-slip layer may be a frosted surface layer or a plurality of transverse fine grooves formed at intervals, so as to increase the friction coefficient between the safety slide rail 20 and the locking arm 302.

Referring to fig. 2, 3 and 7, further, the safety slide rail 20 is provided with a plurality of fixing members 40 fixed to the pedal rod 102, each fixing member 40 includes a clamping seat 401 and a fixing seat 402, a T-shaped slot 201 is formed in the back of the safety slide rail 20, the T-shaped slot 201 is formed along the length direction of the safety slide rail 20, each clamping seat 401 is clamped in the T-shaped slot 201 and can move along the length direction of the T-shaped slot 201, each fixing seat 402 can be clamped on any pedal rod 102, and fixing bolts 403 are respectively arranged at two ends of each fixing seat 402, and each fixing bolt 403 can penetrate into the T-shaped slot 201 and be in threaded connection with the clamping seat 401 in the T-shaped slot 201 so as to fix the safety slide rail 20 on the pedal rod 102.

Further, the surface of each card holder 401 contacting with the T-shaped groove 201 is provided with a plurality of protrusions, which can increase the friction force between the card holder 401 and the T-shaped groove 201, so as to make the fixation more firm.

Please refer to fig. 2, fig. 3 and fig. 8, further, the safety slide rails 20 are multiple groups, each group of safety slide rails 20 can be connected end to end, a connecting piece 50 is provided at the connection position of each group of safety slide rails 20 connected end to end, each connecting piece 50 comprises a connecting base 501 and a clamping seat 502, two ends of the connecting base 501 are respectively clamped in T-shaped grooves 201 of two safety slide rails 20 connected end to end, the clamping seats 502 are arranged outside the T-shaped grooves 201 and are opposite to the connecting base 501, clamping bolts 503 are respectively arranged at two ends of the clamping seats 502, and can respectively penetrate into the T-shaped grooves 201 and are in threaded connection with the connecting base 501 so as to clamp and fix the two safety slide rails 20 connected end to end, so that the safety slide rails 20 can be conveniently connected in multiple groups so as to adapt to installation and use of ladder bodies 10 with different lengths.

When the safety ladder is specifically used, the limiting lock block 301 is firstly installed from the lower end part of the safety slide rail 20, the limiting lock block 301 is combined with the safety slide rail 20, a safety belt worn by an maintainer is connected with the safety lock catch 306 on the lock arm 302, both hands of the maintainer are grabbed on the pedal rods 102 on both sides of the safety slide rail 20, both feet are stepped on the pedal rods 102 on both sides of the safety slide rail 20 in the same way, both hands and feet are used together, the limiting lock block 301 is pulled to slide upwards along the safety slide rail 20, when the maintainer climbs downwards, the lock arm 302 can be manually rotated upwards, the limiting lock block 301 is loosened and gradually moved downwards, the anti-falling device 30 of the safety ladder is positioned in the middle of the body of the maintainer, if a sliding situation occurs, the anti-falling device 30 and the maintainer form vertical traction force, the gravity center of the maintainer is close to the ladder, the risk of falling of the maintainer from the ladder is reduced, and safety guarantee is provided for the maintainer.

The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a booster station high altitude construction safety cat ladder, includes cat ladder body, its characterized in that: be provided with safe slide rail on the pedal rod of cat ladder body, safe slide rail is located the middle part of pedal rod to extend along the direction of height of cat ladder body and lay, be provided with anti-falling device on safe slide rail, anti-falling device includes spacing locking piece and is used for connecting the lock arm of maintainer, spacing locking piece card is established on safe slide rail to can slide along safe slide rail's extending direction, lock arm rotatable install in spacing locking piece, and the lock arm can contact or separate with safe slide rail through rotating, in order to lock spacing locking piece on safe slide rail or make spacing locking piece can slide along safe slide rail.

2. The booster station overhead working safety cat ladder of claim 1, wherein: one side of spacing locking piece vertically is provided with the spout with safe slide rail complex, the spout card is established on safe slide rail to can follow safe slide rail's extending direction and slide, the logical groove that runs through the spout is seted up to the opposite side of spacing locking piece, transversely is provided with the round pin axle in logical inslot, the round pin epaxially of installation in logical inslot that one end of locking arm can be rotated, and the other end of locking arm stretches out to the one side that leads to the groove and keep away from the spout, and the one end that the locking arm stretches out is provided with the safety hasp that is used for connecting the maintainer, and the one end that the locking arm was installed in logical inslot is provided with the protruding arch to the spout direction, the one end that the locking arm was equipped with the safety hasp can be followed and is rotated from top to bottom, when the locking arm rotates down, the arch of its locking arm extrudees to the safe slide rail on the spout to with spacing locking piece is fixed on safe slide rail, when the locking arm upwards rotates, the safety slide rail separation on its arch and spout can make spacing locking piece slide along safe slide rail.

3. The booster station overhead working safety cat ladder of claim 2, wherein: the draw spring is arranged in the through groove, the draw spring is arranged below the locking arm, one end of the draw spring is connected with the through groove, and the other end of the draw spring is connected with the locking arm so as to form downward rotating traction force for the locking arm.

4. A booster station overhead working safety ladder according to claim 3, wherein: an anti-slip layer is arranged on the end face of the safety slide rail, which is in contact with the lock arm.

5. The booster station overhead working safety cat ladder of claim 1, wherein: be provided with the mounting fixed with pedal rod on the safety slide rail, the mounting is a plurality of, every mounting includes cassette and fixing base, the T-shaped groove has been seted up to the back of safety slide rail, the T-shaped groove is seted up along the length direction of safety slide rail, every the cassette card is established in the T-shaped inslot to can remove along the length direction of T-shaped groove, every the fixing base can be blocked and establish on arbitrary pedal rod, and every the both ends of fixing base all are provided with fixing bolt, fixing bolt can penetrate the T-shaped inslot respectively, with the cassette threaded connection in the T-shaped groove, in order to fix the safety slide rail on pedal rod.

6. The booster station overhead working safety cat ladder of claim 1, wherein: the safety slide rail is the multiunit, and every group safety slide rail can end to end, every the junction of safety slide rail end to end all is provided with the connecting piece, every the connecting piece all includes connection base and grip slipper, the both ends of connecting the base are blocked respectively and are established in the T inslot of two safety slide rails of end to end, the grip slipper sets up in the outside of T inslot, sets up relatively with connection base, the both ends of grip slipper all are provided with clamping bolt, clamping bolt can penetrate T inslot respectively, with connection base threaded connection to it is fixed to hold two safety slide rails of end to end.

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