CN212614472U

CN212614472U - A protection type cat ladder for communication tower overhauls

Info

Publication number: CN212614472U
Application number: CN202020903200.9U
Authority: CN
Inventors: 蔡春枝; 姜因兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-26
Anticipated expiration: 2030-05-25

Abstract

The invention discloses a protective ladder stand for communication tower maintenance, and relates to the technical field of communication maintenance devices. The climbing device comprises a rod body, a protection locking mechanism and a climbing mechanism, wherein one side of the rod body is uniformly provided with accommodating grooves along the vertical direction, and meanwhile, the two sides of the rod body are symmetrically provided with the protection locking mechanism; one side of the accommodating groove is provided with a climbing mechanism; the protective locking mechanism is in clearance fit with the guide rod, the guide rod is arranged along the extension direction of the rod body, and two ends of the guide rod are respectively and fixedly connected to the upper end and the lower end of the rod body; climbing mechanism includes the running-board, grabs the post and flexible post, and the bilateral symmetry of flexible post one end is provided with the running-board, and fixed the cup jointing simultaneously is grabbed the post on the other end of flexible post. When the device is used, the climbing mechanism can be stored and unfolded, the labor intensity of manual assembly is reduced, the device is high in safety protection, and the personal safety of workers is improved.

Description

A protection type cat ladder for communication tower overhauls

Technical Field

The invention belongs to the technical field of communication maintenance devices, and particularly relates to a protective ladder for maintenance of a communication tower, which is mainly used for safe climbing of communication towers by maintenance personnel.

Background

A beacon is a wireless signal transmitter established by network operators, and is a form of public radio station, which means in a certain radio coverage area, at present, a radio transceiver station for information transmission between a communication switching center and a mobile phone terminal also has the signal transmission base point function of urban WIFI, at present, workers mainly climb by a ladder stand fixed on a communication tower, in order to avoid climbing of irrelevant people, the existing ladder stand is mostly arranged to be detachable, but the detachable ladder stand is too troublesome to install in the climbing process of the working personnel, in addition, the existing ladder stand has lower protection safety, harm is brought to the staff person of climbing, though the staff can assemble the safety belt when the climbing, it is lower to wear the troublesome handling factor of safety belt.

The prior publication, CN 104389511B-a plug-type ladder for a communication tower, includes a tower body, a climbing rod, a climbing fixing mechanism for connecting the tower body and the climbing rod, and a winding mechanism disposed at the top of the tower body; the outer wall of the tower body is provided with at least one climbing fixing mechanism which is rotatably connected with the climbing rod; the climbing fixing mechanism comprises a fixing table, a rotating rod and a bolt, the fixing table is of a hollow structure, an upper through hole is formed in the top of the fixing table, and a lower through hole is formed in the bottom of the fixing table; the rotating rod is divided into an embedding section and a connecting section, the embedding section is embedded in the fixed platform, the connecting section is fixedly connected with the climbing rod, the embedding section is provided with an insertion hole, the climbing rod is perpendicular to the insertion hole, and the bolt is L-shaped; when the bolt inserted through-hole, jack in proper order and down the through-hole, the climbing rod can scramble with perpendicular to the ground, and the climbing rod can the free rotation when pulling out the bolt, can't bear external force, can prevent effectively that irrelevant personnel from climbing the signal tower, but among the above-mentioned prior art, the staff need be fixed the climbing rod at the in-process of climbing now, troublesome poeration is a great examination to staff's physical demands.

Disclosure of Invention

The invention aims to provide a protective ladder stand for communication tower maintenance, which can drive an adjusting disc connected with a first rotating shaft to rotate by rotating a rotating handle, can realize the extension and retraction of a climbing mechanism in a containing groove under the action of rotating the adjusting disc through the limit matching between a spiral groove on the adjusting disc and a positioning column, can control an electromagnetic column to adsorb an iron block when an acceleration sensor in the protective locking mechanism detects that the speed is higher than a preset value under the condition that a worker is out of order by arranging a protective locking mechanism, and can lock and brake a guide rod by a brake wheel, so that the timely protection can be realized, and the problems of troublesome installation of the conventional ladder stand in the climbing process of the worker and low safety of the conventional protection are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a protective ladder stand for communication tower maintenance, which comprises a rod body, protective locking mechanisms and climbing mechanisms, wherein one side of the rod body is uniformly provided with accommodating grooves along the vertical direction, and the two sides of the rod body are symmetrically provided with the protective locking mechanisms; a climbing mechanism is arranged on one side of the accommodating groove;

the protective locking mechanism is in clearance fit with the guide rod, the guide rod is arranged along the extension direction of the rod body, and two ends of the guide rod are respectively and fixedly connected to the upper end and the lower end of the rod body;

the climbing mechanism comprises pedals, grabbing columns and telescopic columns, the pedals are symmetrically arranged on two sides of one end of each telescopic column, and the grabbing columns are fixedly sleeved on the other ends of the telescopic columns;

a connecting sheet is arranged on the end face of one side of the telescopic column close to the accommodating groove, and a limiting disc is fixedly connected to one side face of the connecting sheet through a positioning column;

an adjusting disc is arranged in the accommodating groove and above the telescopic column, a spiral groove is spirally and outwardly extended on the adjusting disc by taking the circle center of the adjusting disc as the center, and the spiral groove is used for being in clearance fit with the positioning column; the adjusting disc and the connecting sheet are respectively positioned on two sides of the adjusting disc;

the protection locking mechanism comprises a box body and a connecting belt;

a partition plate is fixedly connected to the inner wall of one side in the box body; a U-shaped clamping groove is formed in the box body on one side of the partition plate; two arc-shaped connecting frames are arranged on one side of the partition plate in the same-hour-direction at two sides of the U-shaped clamping groove, and a single chip microcomputer and a storage battery are fixedly mounted on the other side wall of the partition plate respectively;

one end of the arc-shaped connecting frame is fixedly connected with a brake wheel, the other end of the arc-shaped connecting frame is rotatably sleeved with a rotating column, and two ends of the rotating column are respectively and fixedly connected to the inner wall of the box body and one side face of the partition plate;

acceleration sensors are fixedly mounted on one side face, close to the arc-shaped connecting frames, of the partition plate at the center of the two arc-shaped connecting frames;

an iron block is arranged on the side face, close to the partition plate, of the arc-shaped connecting frame at one end of the brake wheel, one side of the iron block is provided with an electromagnetic column in an aligned mode, and meanwhile the other side face of the iron block is fixedly connected with the partition plate through a return spring; the connecting straight line of the two electromagnetic columns is parallel to the vertical section of the box body;

one side that the box body is close to and accomodates the groove is provided with the connecting band, one of connecting band is served fixedly and is provided with the installation and detains, and fixedly connected with fixed cover is gone up to the other end of connecting band simultaneously, fixed cover slides and cup joints on the hangers of fixed connection on a box body side.

Furthermore, the cross section of the pedal plate is arranged in an L shape, and a plurality of first mounting holes are uniformly distributed in a side plate of the pedal plate; a plurality of second mounting holes are formed in the telescopic column in one-to-one correspondence with the first mounting holes; the two pedals and the corresponding first mounting holes and second mounting holes on the telescopic column are matched and fixed through bolts; anti-slip strips are uniformly distributed on the inner side of the top plate of the pedal plate; and anti-skid sleeves are fixedly sleeved on the grabbing columns on the two sides of the telescopic column.

Furthermore, guide grooves are symmetrically arranged on the upper side surface and the lower side surface of the telescopic column, which are vertically arranged with the two pedals; the outer side of the telescopic column and the pedal plate are vertically provided with a U-shaped connecting frame, one end of the U-shaped connecting frame is fixedly connected to the outer wall of the rod body above and below the accommodating groove, and the upper inner wall and the lower inner wall of the U-shaped connecting frame are symmetrically provided with limiting plates; the inner bottom surface of the accommodating groove is provided with a limiting strip, the limiting strip is aligned with a limiting plate on the lower inner wall of the U-shaped connecting frame, and the top surface of the limiting strip and the top surface of the limiting plate on the lower inner wall of the U-shaped connecting frame are positioned on the same plane; and the limiting strips and the limiting plates are in clearance fit with the guide grooves.

Further, it is a plurality of through first axis of rotation fixed connection between the central point of adjustment disk, the both sides of first axis of rotation rotate respectively through antifriction bearing and connect on the inner wall of the body of rod, wherein, the one end of first axis of rotation extends to in the inside mounting groove of the body of rod lower extreme and driven bevel gear fixed connection.

Furthermore, a driving bevel gear is further arranged in the mounting groove, and the driving bevel gear is meshed with a driven bevel gear; the driving bevel gear is rotatably connected to the rod body through a second rotating shaft.

Furthermore, a cross-shaped clamping groove is formed in one end of the second rotating shaft, a cross-shaped clamping column is matched in the cross-shaped clamping groove in a limiting mode, and the other end of the cross-shaped clamping column extends to the outer side of the rod body and is fixedly connected with one end of the rotating handle; and a door plate is fixedly arranged on the rod body at one side of the mounting groove through screws.

Further, the guide bar is located the inside of U-shaped draw-in groove and clearance fit is two position between the brake wheel, the guide bar is close to the box body of rod one side and is provided with the hob on the side from top to bottom, the one end of hob is passed through the turning block and is rotated the connection on the surface of box body, and the spacing block of the other end of hob is in the U-shaped spacing groove on the stopper of fixed connection on the box body surface simultaneously.

Furthermore, a locking nut is sleeved on the screw rod at the far side of the limiting block from the rotating block in a screwed mode.

Further, the box body is from the fixed mounting respectively on the surface of one side far away of guide bar have the button and the electric connection jack, button, battery, electromagnetism post and acceleration sensor are respectively through conducting wire and singlechip electric connection, the input electric connection of electric connection jack through conducting wire and battery.

The invention has the following beneficial effects:

1. through the arrangement of the adjusting disc, the spiral groove, the telescopic rod and the rotating handle, when the climbing mechanism is used, the cross-shaped clamping column at one end of the rotating handle is clamped in the cross-shaped clamping groove, through the meshing arrangement between the driving bevel gear and the driven bevel gear, when a worker rotates the rotating handle, synchronous rotation of a plurality of adjusting discs can be realized, when the adjusting discs rotate, the positioning column in the spiral groove in the adjusting disc in a limiting fit mode can move outwards along the extending direction of the spiral groove, so that the climbing mechanism extends out of the accommodating groove, the climbing mechanism is convenient for the worker to climb, when the worker rotates the rotating handle reversely, the positioning column moves towards the central position of the adjusting disc along the direction of the spiral groove, the accommodating groove is used for accommodating the climbing mechanism, the arrangement does not need the worker to climb while installing, time and labor are saved, and meanwhile, the rotating handle is detachably matched with the second rotating shaft, can take out the turning handle after overhauing the completion and take away, avoid non professional's rotation operation, solve the trouble problem of current cat ladder at the in-process installation of staff climbing.

2. According to the invention, through the arrangement of the acceleration sensor, the brake wheel, the electromagnetic column and the guide rod, when the safety belt is used, a worker fixedly sleeves the installation buckle on the safety belt, the guide rod is clamped in the U-shaped clamping groove, and the installation of the protection locking mechanism on the guide rod is realized through the spiral rod.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a protective ladder for communication tower maintenance in the first embodiment;

FIG. 2 is a schematic view of the overall structure of the U-shaped connecting frame, the climbing mechanism and the adjusting disk connecting body;

FIG. 3 is a schematic view of the inner structure of the receiving groove;

FIG. 4 is a schematic view of the overall structure of the climbing mechanism and the adjusting disk connector;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a schematic view of the internal structure of the mounting groove;

FIG. 8 is a right side view of FIG. 7;

FIG. 9 is a schematic view of the overall structure of the guard lock mechanism;

FIG. 10 is a rear view of FIG. 9;

FIG. 11 is a schematic view of the internal structure of the cartridge;

FIG. 12 is a left side view of FIG. 11;

FIG. 13 is an exploded view of FIG. 11;

fig. 14 is a left side view of fig. 13.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a rod body; 2. a guide bar; 3. a protective locking mechanism; 4. rotating the handle; 5. a U-shaped connecting frame; 6. a climbing mechanism; 7. a first rotating shaft; 8. an adjusting disk; 101. a receiving groove; 102. a door panel; 103. mounting grooves; 301. a box body; 302. a screw rod; 303. a connecting belt; 304. rotating the block; 305. a U-shaped clamping groove; 306. locking the nut; 307. hanging a lug; 308. installing a buckle; 309. an electrical connection jack; 3010. a button; 3011. a limiting block; 3012. a U-shaped limiting groove; 3013. an arc-shaped connecting frame; 3014. a brake wheel; 3015. rotating the column; 3016. a partition plate; 3017. an acceleration sensor; 3018. a return spring; 3019. a storage battery; 3020. a single chip microcomputer; 3021. fixing a sleeve; 3022. an electromagnetic column; 3023. an iron block; 401. a cross-shaped clamping column; 501. a limiting plate; 502. a limiting strip; 601. a foot pedal; 602. an anti-slip sleeve; 603. grabbing the column; 604. anti-slip strips; 605. a guide groove; 606. a telescopic column; 607. a limiting disc; 608. a positioning column; 609. connecting sheets; 6010. a bolt; 6011. a second mounting hole; 6012. a first mounting hole; 701. a driven bevel gear; 702. a driving bevel gear; 703. a second rotating shaft; 704. a cross-shaped clamping groove; 801. a helical groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open," "one side," "down," "height," "simultaneous needle direction," "clearance fit," "inner," "peripheral side," "outer," and the like are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.

Example one

Referring to fig. 1, the invention relates to a protective ladder stand for communication tower maintenance, which comprises a rod body 1, a protective locking mechanism 3 and a climbing mechanism 6, wherein one side of the rod body 1 is uniformly provided with accommodating grooves 101 along the vertical direction, the accommodating grooves 101 can be used for accommodating and protecting the protective locking mechanism 3, so that the climbing of irrelevant people is avoided, and meanwhile, the protective locking mechanisms 3 are symmetrically arranged on two sides of the rod body 1; one side of the accommodating groove 101 is provided with a climbing mechanism 6;

wherein, 3 clearance fit of protection locking mechanism is on guide bar 2, and guide bar 2 arranges along the extending direction of the body of rod 1, and fixed connection is on the upper and lower end of the body of rod 1 respectively at the both ends of guide bar 2, and the setting of guide bar 2 can play spacing effect to the removal that protection locking mechanism 3 was right.

Referring to fig. 4-6, the climbing mechanism 6 includes a pedal 601, a grasping column 603 and a telescopic column 606, the pedal 601 is symmetrically disposed on two sides of one end of the telescopic column 606, the grasping column 603 is fixedly sleeved on the other end of the telescopic column 606, the pedal 601 is used for placing feet of a worker during climbing, and the grasping column 603 is used for grasping hands of the worker during climbing;

the cross section of the pedal 601 is arranged in an L shape, and a plurality of first mounting holes 6012 are uniformly distributed on a side plate of the pedal 601; a plurality of second mounting holes 6011 are arranged on the telescopic column 606 in one-to-one correspondence with the first mounting holes 6012; the two pedals 601 and the corresponding first mounting hole 6012 and second mounting hole 6011 on the telescopic column 606 are fixed in a matched manner through bolts 6010; the arrangement is convenient for workers to detach and replace the pedal 601, and the inner side of the top plate of the pedal 601 is uniformly provided with the anti-slip strips 604; the anti-slip sleeves 602 are fixedly sleeved on the grabbing columns 603 on the two sides of the telescopic column 606, and the anti-slip strips 604 and the anti-slip sleeves 602 can play a role in preventing slipping when workers climb;

a connecting sheet 609 is arranged on the end face of one side of the telescopic column 606 close to the accommodating groove 101, a limiting disc 607 is fixedly connected to one side face of the connecting sheet 609 through a positioning column 608, and the limiting disc 607 is arranged for limiting the position of the positioning column 608 in the spiral groove 801;

an adjusting disc 8 is arranged in the accommodating groove 101 and above the telescopic column 606, a spiral groove 801 is spirally and outwardly extended on the adjusting disc 8 by taking the circle center of the adjusting disc 8 as the center, and the spiral groove 801 is used for being in clearance fit with the positioning column 608; adjusting disk 8 and connection piece 609 are located the both sides of adjusting disk 8 respectively, and the setting of helicla flute 801 can realize that reference column 608 removes along the direction that helicla flute 801 extends in helicla flute 801 under the pivoted effect of adjusting disk 8, and then realizes climbing mechanism 6's flexible.

Referring to fig. 9-14, the protection locking mechanism 3 includes a box 301 and a connection band 303;

a partition plate 3016 is fixedly connected to the inner wall of one side in the box body 301; a U-shaped clamping groove 305 is formed in the box body 301 on one side of the partition plate 3016; the U-shaped clamping groove 305 is used for limiting and placing the guide rod 2, one side of the partition plate 3016 is located on two sides of the U-shaped clamping groove 305, two arc-shaped connecting frames 3013 are arranged in the needle direction, meanwhile, a single chip microcomputer 3020 and a storage battery 3019 are fixedly mounted on the other side wall of the partition plate 3016 respectively, the single chip microcomputer 3020 is used for automatically controlling each electric appliance element in the device, and the storage battery 3019 is used for supplying power for the use of each electric appliance element;

one end of the arc-shaped connecting frame 3013 is fixedly connected with a brake wheel 3014, and meanwhile, the other end of the arc-shaped connecting frame 3013 is rotatably sleeved with a rotating post 3015, the arrangement can realize the rotation of the arc-shaped connecting frame 3013 by taking the rotating post 3015 as the center of a circle, the locking between the locking mechanism 3 and the guide rod 2 can be protected by the friction between the brake wheel 3014 and the guide rod 2 through the opposite movement of the two brake wheels 3014, and the two ends of the rotating post 3015 are respectively and fixedly connected to the inner wall of the box body 301 and one side face of the partition plate 3016;

an acceleration sensor 3017 is fixedly mounted on a side face, close to the arc-shaped connecting frame 3013, of a partition plate 3016 at the center of the two arc-shaped connecting frames 3013, the acceleration sensor 3017 is used for detecting the moving acceleration of the protection locking mechanism 3, and when the acceleration detected by the acceleration sensor 3017 is greater than a preset value, the singlechip 3020 is used for controlling the power-on action of the electromagnetic column 3022;

the outer surface of one side, far away from the guide rod 2, of the box body 301 is fixedly provided with a button 3010 and an electric connection jack 309 respectively, the button 3010, a storage battery 3019, an electromagnetic column 3022 and an acceleration sensor 3017 are electrically connected with the single chip microcomputer 3020 through conducting wires respectively, the electric connection jack 309 is electrically connected with the input end of the storage battery 3019 through a conducting wire, the button 3010 is arranged after the protection locking mechanism 3 is locked, the button 3010 is manually opened, and the electric connection jack 309 is arranged for an external power supply to charge the storage battery 3019;

an iron block 3023 is arranged on the side face, close to the partition plate 3016, of the arc-shaped connecting frame 3013 at one end of the brake wheel 3014, the iron block 3023 is arranged under the action of magnetism generated by electrifying the electromagnetic column 3022, and is adsorbed to lock the guide rod 2 by the brake wheel 3014, one side of the iron block 3023 is aligned with the electromagnetic column 3022, and meanwhile, the other side face of the iron block 3023 is fixedly connected with the partition plate 3016 through a return spring 3018; the connecting straight line of the two electromagnetic columns 3022 is parallel to the vertical section of the box body 301, the reset spring 3018 is arranged to reset the brake wheel 3014 after the electromagnetic columns 3022 lose magnetism when the power is off, so as to avoid continuous locking, and under the reset action of the reset spring 3018, the reset angle of the brake wheel 3014 with the rotating column 3015 as the center is less than 5 degrees, so that the alignment and adsorption of the electromagnetic columns 3022 and the iron block 3023 are facilitated;

the guide rod 2 is positioned in the U-shaped clamping groove 305 and is in clearance fit with the position between the two brake wheels 3014, the screw rods 302 are symmetrically arranged on the upper side and the lower side of the box body 301 on one side, close to the rod body 1, of the guide rod 2, one end of each screw rod 302 is rotatably connected to the outer surface of the box body 301 through the rotating block 304, meanwhile, the other end of each screw rod 302 is in limit clamping in the U-shaped limiting groove 3012 fixedly connected to the limiting block 3011 on the outer surface of the box body 301, and the screw rods 302 are arranged to facilitate the position of the guide rod 2 in the U-shaped clamping groove 305 to achieve;

the screw rod 302 at the far side of the limiting block 3011 from the rotating block 304 is screwed with a locking nut 306, and the position of the screw rod 302 on the limiting block 3011 can be positioned and fixed by rotating the locking nut 306;

one side that box body 301 is close to accomodating groove 101 is provided with connecting band 303, and one of connecting band 303 is served and is fixed to be provided with the installation and detain 308, and the installation is detained 308 and is used for registrates on the safety belt, makes things convenient for staff's wearing, and fixedly connected with fixed cover 3021 is gone up to the other end of connecting band 303 simultaneously, and fixed cover 3021 slides and cup joints on hangers 307 of fixed connection on a side of box body 301.

As shown in fig. 2-3, the telescopic column 606 and the two pedals 601 are vertically provided with guide grooves 605 on the upper and lower sides thereof symmetrically; the outer side of the telescopic column 606 and the pedal 601 are vertically provided with a U-shaped connecting frame 5, the U-shaped connecting frame 5 can be used for supporting the telescopic column 606 outside the accommodating groove 101, one end of the U-shaped connecting frame 5 is fixedly connected to the outer wall of the rod body 1 above and below the accommodating groove 101, and the upper inner wall and the lower inner wall of the U-shaped connecting frame 5 are symmetrically provided with limiting plates 501; the inner bottom surface of the accommodating groove 101 is provided with a limiting strip 502, the limiting strip 502 is aligned with a limiting plate 501 on the lower inner wall of the U-shaped connecting frame 5, and the top surface of the limiting strip 502 and the top surface of the limiting plate 501 on the lower inner wall of the U-shaped connecting frame 5 are positioned on the same plane; spacing 502 and limiting plate 501 are used for with guide way 605 clearance fit, and this setting can play spacing direction's effect when flexible post 606 removes, avoids rocking about driving flexible post 606 because of the rotation of adjusting disk 8.

Referring to fig. 2 and 7-8, the center positions of the plurality of adjusting discs 8 are fixedly connected through a first rotating shaft 7, two sides of the first rotating shaft 7 are respectively rotatably connected to the inner wall of the rod body 1 through rolling bearings, wherein one end of the first rotating shaft 7 extends into the mounting groove 103 inside the lower end of the rod body 1 and is fixedly connected with a driven bevel gear 701;

a driving bevel gear 702 is further arranged in the mounting groove 103, and the driving bevel gear 702 is meshed with a driven bevel gear 701; the driving bevel gear 702 is rotationally connected to the rod body 1 through a second rotating shaft 703, and the driving bevel gear 702 can be rotated to drive the driven bevel gear 701 to rotate, so that the first rotating shaft 7 can drive the adjusting disc 8 to rotate;

a cross-shaped clamping groove 704 is formed in one end of the second rotating shaft 703, a cross-shaped clamping column 401 is in limit fit in the cross-shaped clamping groove 704, and the other end of the cross-shaped clamping column 401 extends to the outer side of the rod body 1 and is fixedly connected with one end of the rotating handle 4; this setting is convenient to rotate taking out of handle 4, avoids the rotation of non-staff to second axis of rotation 703, and a plurality of second axis of rotation 703 can the same rotation handle 4 of common use simultaneously, and convenient to use has the cost reduction, still has door plant 102 through screw fixed mounting on the body of rod 1 of one side of mounting groove 103, and the setting of door plant 102 is convenient to the maintenance of mounting groove 103 inside.

Example two

Based on the protective ladder stand for communication tower maintenance, which is taught by the first embodiment, the guide rod 2 can be replaced by a steel wire rope, so that the practicability of the invention is improved.

In addition, the installation buckle 308 is used for being connected with a safety belt in a sleeved mode in the using process, a worker can wear the installation buckle in advance when using the installation buckle, the protection locking mechanism 3 can be carried in maintenance, one guide rod 2 is not needed, and the universality is high.

For the protective ladder stand for communication tower maintenance in the first embodiment, the brake wheel 3014 is made of high-temperature-resistant and wear-resistant material, such as semimetal friction material and carbon fiber friction material.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Rather, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a protection type cat ladder for communication tower overhauls, includes the body of rod (1), protection locking mechanism (3) and climbing mechanism (6), its characterized in that: one side of the rod body (1) is uniformly provided with accommodating grooves (101) along the vertical direction, and meanwhile, two sides of the rod body (1) are symmetrically provided with protective locking mechanisms (3); one side of the accommodating groove (101) is provided with a climbing mechanism (6);

the protective locking mechanism (3) is in clearance fit with the guide rod (2), the guide rod (2) is arranged along the extension direction of the rod body (1), and two ends of the guide rod (2) are fixedly connected to the upper end and the lower end of the rod body (1) respectively;

the climbing mechanism (6) comprises foot pedals (601), grabbing columns (603) and telescopic columns (606), the foot pedals (601) are symmetrically arranged on two sides of one end of each telescopic column (606), and the grabbing columns (603) are fixedly sleeved on the other ends of the telescopic columns (606);

a connecting sheet (609) is arranged on the end face of one side, close to the accommodating groove (101), of the telescopic column (606), and a limiting disc (607) is fixedly connected to one side face of the connecting sheet (609) through a positioning column (608);

an adjusting disc (8) is arranged in the accommodating groove (101) and above the telescopic column (606), a spiral groove (801) is spirally and outwardly arranged on the adjusting disc (8) by taking the circle center of the adjusting disc (8) as the center, and the spiral groove (801) is used for being in clearance fit with the positioning column (608); the adjusting disc (8) and the connecting sheet (609) are respectively positioned on two sides of the adjusting disc (8);

the protection locking mechanism (3) comprises a box body (301) and a connecting belt (303);

a partition plate (3016) is fixedly connected to the inner wall of one side in the box body (301); a U-shaped clamping groove (305) is formed in the box body (301) on one side of the partition plate (3016); two arc-shaped connecting frames (3013) are arranged on one side of the partition plate (3016) and located on two sides of the U-shaped clamping groove (305) in the same clockwise direction, and a single chip microcomputer (3020) and a storage battery (3019) are fixedly mounted on the other side wall of the partition plate (3016) respectively;

one end of the arc-shaped connecting frame (3013) is fixedly connected with a brake wheel (3014), the other end of the arc-shaped connecting frame (3013) is rotatably sleeved with a rotating column (3015), and two ends of the rotating column (3015) are fixedly connected to the inner wall of the box body (301) and one side face of the partition plate (3016) respectively;

wherein, an acceleration sensor (3017) is fixedly arranged on one side surface of the partition plate (3016) at the central position of the two arc-shaped connecting frames (3013) close to the arc-shaped connecting frames (3013);

an iron block (3023) is arranged on the side face, close to the partition plate (3016), of the arc-shaped connecting frame (3013) at one end of the brake wheel (3014), an electromagnetic column (3022) is arranged on one side of the iron block (3023) in an aligned mode, and meanwhile the other side face of the iron block (3023) is fixedly connected with the partition plate (3016) through a return spring (3018); the connecting straight line of the two electromagnetic columns (3022) is parallel to the vertical section of the box body (301);

one side that box body (301) is close to and accomodates groove (101) is provided with connecting band (303), one of connecting band (303) is served and is fixed to be provided with the installation and detain (308), and fixed cover (3021) of fixedly connected with are gone up to the other end of connecting band (303) simultaneously, fixed cover (3021) slide to cup joint on hangers (307) of fixed connection on box body (301) a side.

2. The protective ladder stand for the communication tower overhaul according to claim 1, wherein the cross section of the pedal plate (601) is L-shaped, and a plurality of first mounting holes (6012) are uniformly distributed on a side plate of the pedal plate (601); a plurality of second mounting holes (6011) are arranged on the telescopic column (606) in one-to-one correspondence with the first mounting holes (6012); the two pedals (601) and the corresponding first mounting hole (6012) and second mounting hole (6011) on the telescopic column (606) are matched and fixed through a bolt (6010); anti-slip strips (604) are uniformly distributed on the inner side of the top plate of the pedal plate (601); the grabbing columns (603) on the two sides of the telescopic column (606) are fixedly sleeved with anti-skidding sleeves (602).

3. The protective ladder stand for the overhaul of the communication tower as claimed in claim 1, wherein the telescopic column (606) and the two pedals (601) are vertically arranged, and guide grooves (605) are symmetrically arranged on the upper side and the lower side of the telescopic column; the outer side of the telescopic column (606) and the pedal plate (601) are vertically provided with a U-shaped connecting frame (5), one end of the U-shaped connecting frame (5) is fixedly connected to the outer wall of the rod body (1) above and below the accommodating groove (101), and the upper inner wall and the lower inner wall of the U-shaped connecting frame (5) are symmetrically provided with limiting plates (501); a limiting strip (502) is arranged on the inner bottom surface of the accommodating groove (101), the limiting strip (502) is aligned with a limiting plate (501) on the lower inner wall of the U-shaped connecting frame (5), and the top surface of the limiting strip (502) and the top surface of the limiting plate (501) on the lower inner wall of the U-shaped connecting frame (5) are positioned on the same plane; the limiting strip (502) and the limiting plate (501) are in clearance fit with the guide groove (605).

4. A protective ladder stand for communication tower maintenance according to claim 1, wherein the center positions of a plurality of said adjusting discs (8) are fixedly connected through a first rotating shaft (7), two sides of said first rotating shaft (7) are respectively rotatably connected on the inner wall of the rod body (1) through rolling bearings, wherein one end of said first rotating shaft (7) extends into the mounting groove (103) inside the lower end of the rod body (1) and is fixedly connected with the driven bevel gear (701).

5. A protective ladder for the overhaul of a communication tower as claimed in claim 4, wherein a driving bevel gear (702) is further arranged in the mounting groove (103), and the driving bevel gear (702) is meshed with a driven bevel gear (701); the driving bevel gear (702) is rotatably connected to the rod body (1) through a second rotating shaft (703).

6. The protective ladder stand for overhauling the communication tower as claimed in claim 5, wherein a cross-shaped clamping groove (704) is formed in one end of the second rotating shaft (703), a cross-shaped clamping column (401) is in limited fit in the cross-shaped clamping groove (704), and the other end of the cross-shaped clamping column (401) extends to the outer side of the rod body (1) and is fixedly connected with one end of the rotating handle (4); and a door panel (102) is fixedly arranged on the rod body (1) at one side of the mounting groove (103) through a screw.

7. The protective ladder stand for overhauling the communication tower as claimed in claim 1, wherein the guide rod (2) is positioned inside the U-shaped clamping groove (305) and is in clearance fit with the position between the two brake wheels (3014), the screw rods (302) are symmetrically arranged on the upper and lower side surfaces of the box body (301) on one side of the guide rod (2) close to the rod body (1), one end of each screw rod (302) is rotatably connected to the outer surface of the box body (301) through a rotating block (304), and the other end of each screw rod (302) is in limit clamping with the U-shaped limit groove (3012) on the limit block (3011) fixedly connected to the outer surface of the box body (301).

8. The protective ladder stand for overhauling the communication tower as claimed in claim 7, wherein the screw rod (302) at the far side of the limiting block (3011) from the rotating block (304) is spirally sleeved with a locking nut (306).

9. The protective ladder stand for overhauling the communication tower as claimed in claim 1, wherein a button (3010) and an electrical connection jack (309) are respectively and fixedly installed on the outer surface of one side of the box body (301) far away from the guide rod (2), the button (3010), the storage battery (3019), the electromagnetic column (3022) and the acceleration sensor (3017) are respectively and electrically connected with the single chip microcomputer (3020) through a conducting wire, and the electrical connection jack (309) is electrically connected with the input end of the storage battery (3019) through a conducting wire.