CN111720046B - Ladder stand structure for building circuit installation - Google Patents
Ladder stand structure for building circuit installation Download PDFInfo
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- CN111720046B CN111720046B CN202010628919.0A CN202010628919A CN111720046B CN 111720046 B CN111720046 B CN 111720046B CN 202010628919 A CN202010628919 A CN 202010628919A CN 111720046 B CN111720046 B CN 111720046B
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/382—Tripod ladders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
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Abstract
The invention discloses a ladder stand structure for mounting a building circuit, which comprises a left ladder stand, a right ladder stand and a telescopic ladder, wherein a guide sleeve is arranged between the left ladder stand and the right ladder stand, the bottom of the guide sleeve is provided with a base, the left end and the right end of the base are respectively fixed at the bottoms of the left ladder stand and the right ladder stand, two groups of telescopic cylinders are arranged at the inner bottom of the guide sleeve, the upper ends of the telescopic cylinders are supported at the bottom of the telescopic ladder, and the lower part of the telescopic ladder is flexibly arranged in the guide sleeve. This cat ladder structure is used in building circuit installation, the structure sets up rationally, and is firm, and left cat ladder and right cat ladder set up about the guide pin bushing bilateral symmetry, make things convenient for two people to use simultaneously, help improving whole work efficiency, and more simple and convenient practicality, the convenient lift activity of extension ladder simultaneously to improve or reduce the height of extension ladder, practical more nimble facility.
Description
Technical Field
The invention relates to the technical field of building crawling ladders, in particular to a crawling ladder structure for building circuit installation.
Background
At present often will use the cat ladder in indoor outer fitment in-process or fire engineering's work progress to work on the cat ladder, but prior art's cat ladder is mostly only to climb to the use by the single face, and not convenient double simultaneous use, whole work efficiency ratio is lower.
In order to solve the defects and shortcomings of the building ladder stand provided by the above, a ladder stand structure for mounting a building circuit is needed.
Disclosure of Invention
The invention solves the technical problem that most of building crawling ladders in the prior art are only used for climbing on a single face and are not convenient for two persons to use simultaneously, and provides a crawling ladder structure for building circuit installation.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cat ladder structure is used in building circuit installation, includes left cat ladder, right cat ladder and extension ladder, be provided with the guide pin bushing between left side cat ladder and the right cat ladder, and the bottom of guide pin bushing is provided with the base to both ends are fixed respectively in the bottom of left cat ladder and right cat ladder about the base, and two sets of telescopic cylinder are installed to the interior bottom of guide pin bushing simultaneously, and telescopic cylinder's upper end supports in the bottom of extension ladder, the flexible activity in lower part of extension ladder sets up in the guide pin bushing.
Preferably, left side cat ladder and right cat ladder set up about the guide pin bushing bilateral symmetry in the middle of, and all are connected with multiunit side connecting rod between the left and right sides of left side cat ladder and right cat ladder.
Preferably, the left side of left cat ladder is provided with first left fixed plate, and the right side of left cat ladder is provided with first right fixed plate to first left fixed plate and first right fixed plate are parallel about, install the first running-board of multiunit between first left fixed plate and the first right fixed plate simultaneously.
Preferably, the first left fixing plate and the first right fixing plate are both provided with armrests, and the first left fixing plate and the first right fixing plate are bilaterally symmetrical about the center line of the first pedal.
Preferably, the structure setting of right cat ladder and left cat ladder is unanimous, and left cat ladder and right cat ladder all adopt stainless steel.
Preferably, the telescopic ladder is movable in a lifting mode in the vertical direction, a second left fixing plate is arranged on the left side of the telescopic ladder, a second right fixing plate is arranged on the right side of the telescopic ladder, a plurality of groups of second foot pedals are connected between the second left fixing plate and the second right fixing plate, and the telescopic ladder is made of stainless steel materials.
Preferably, the left side and the right side of the upper part of the extension ladder are both provided with protective covers, and the surfaces of the protective covers on the two sides are both provided with a mesh plate.
Preferably, the extension ladder lateral wall is provided with cleaning device, cleaning device includes:
the supporting plate is arranged on the side wall of the extension ladder and is perpendicular to the extension ladder;
the sector gear is arranged in the center of the supporting plate through a first rotating shaft;
the rotating disc is sleeved on the first rotating shaft, a cavity is arranged in the rotating disc, a clockwork spring is arranged in the cavity, one end of the clockwork spring is fixedly connected with the first rotating shaft, and the other end of the clockwork spring is fixedly connected with the inner wall of the cavity;
one end of the first steel wire rope is connected with one end, far away from the extension ladder, of the first rotating shaft, and the other end of the first steel wire rope is wound on the first rotating shaft, extends to the position below the first rotating shaft and is fixedly connected with the upper end of the guide sleeve;
the left side and the right side of the sector gear are respectively provided with two first gears, the first gears are installed on the supporting plate through a second rotating shaft, and the two first gears are respectively meshed with the sector gear;
the two first grooves are symmetrically arranged on the side walls of the left end and the right end of the supporting plate respectively, and the inner walls of the two sides of the first grooves are symmetrically provided with second grooves;
the sliding rod is arranged in the first groove and slides left and right in the first groove, two sliding blocks are symmetrically arranged on two side walls of one end, close to the first groove, of the sliding rod, and the sliding blocks are installed in the second groove and can slide left and right along the second groove;
the telescopic spring is arranged in the first groove, one end of the telescopic spring is fixedly connected with the inner wall of the first groove, and the other end of the telescopic spring is fixedly connected with the sliding rod;
one end of the second steel wire rope is fixedly connected with one end, far away from the first gear, of the second rotating shaft, and the other end of the second steel wire rope is wound on the second rotating shaft, extends to the outside of the second rotating shaft and is fixedly connected with one end of the sliding rod;
the scraper blade, the scraper blade is installed on the slide bar, the scraper blade with slide bar mutually perpendicular, the scraper blade towards otter board one side sets up the brush hair, the brush hair with otter board surface contact.
Preferably, the solar protection device further comprises a solar protection device, wherein the solar protection device comprises:
the driving motors are arranged at the upper end of the protective cover, and the two driving motors are symmetrically distributed on the left side and the right side of the extension ladder;
the sun shield is arranged at the output end of the driving motor and is positioned above the protective cover;
the first optical sensor is arranged at the left end of the sunshade plate and used for detecting the illumination intensity of the left end of the sunshade plate and outputting corresponding first voltage;
the second optical sensor is arranged at the right end of the sun shield and used for detecting the illumination intensity at the right end of the sun shield and outputting a corresponding second voltage;
the controller is arranged at the upper end of the protective cover and is electrically connected with the driving motor, the first optical sensor and the second optical sensor respectively;
the controller controls the driving motor to rotate to drive the sun visor to rotate to complete the adjustment of the angle of the sun visor based on the measured values of the first optical sensor and the second optical sensor, and the method specifically comprises the following steps:
step 1: the sun visor comprises a sun visor body, a first light sensor, a second light sensor and a formula (1), wherein the first light sensor is used for detecting the illumination intensity of the left end of the sun visor body and outputting a first voltage, the second light sensor is used for detecting the illumination intensity of the right end of the sun visor body and outputting a second voltage, and then the voltage difference value of the left end and the right end of the sun visor body is calculated through the formula (1):
U3＝U1-U2 (1)
wherein, U3Is the voltage difference value of the left end and the right end of the sun shield, U1Is a first voltage, U2A second voltage;
step 2: the controller calculates the target angle of the sun shield according to the voltage difference value of the left end and the right end of the sun shield through a formula (2):
wherein alpha is the target angle of the sun shield, U4For driving the voltage across the motor, P1For the rated power of the drive motor, omega1For driving the angular velocity of the motor output, I4T is the preset rotation time of the driving motor;
and step 3: the sun shield rotation direction is determined according to the voltage difference values at the left end and the right end of the sun shield calculated according to the formula (1), if the voltage difference values at the left end and the right end of the sun shield are negative numbers, the driving motor drives the sun shield to rotate clockwise and controls the sun shield to rotate to the target angle, if the voltage difference values at the left end and the right end of the sun shield are positive numbers, the driving motor drives the sun shield to rotate anticlockwise and controls the sun shield to rotate to the target angle, and if the voltage difference values at the left end and the right end of the sun shield are zero, the sun shield does not rotate.
Compared with the prior art, the invention has the beneficial effects that:
1. the ladder stand structure is used for mounting the building circuit, the whole structure is reasonable, the device is mainly provided with the left ladder stand, the right ladder stand and the extension ladder, the extension ladder is positioned between the left ladder stand and the right ladder stand, and the lower part of the extension ladder is flexibly moved in the guide sleeve, so that the lifting movement of the extension ladder is convenient, the height of the extension ladder is improved or reduced, and the practical use is more convenient;
2. the left end and the right end of the base arranged at the bottom of the guide sleeve are respectively fixed at the bottoms of the left crawling ladder and the right crawling ladder, and the upper part of the guide sleeve is fixed with the upper parts of the left crawling ladder and the right crawling ladder together so as to ensure that the guide sleeve is firmly installed, thereby ensuring that the extension ladder can be stably extended and used more safely and reliably;
3. the left crawling ladder and the right crawling ladder in the equipment are symmetrically arranged on the left and right sides of the guide sleeve, so that the equipment is convenient for two persons to use at the same time, is beneficial to improving the whole working efficiency, and is simpler, more convenient and more practical;
4. by the aid of the cleaning device, the surface of the screen plate can be cleaned when the extension ladder ascends or descends, so that the outer side of the screen plate is clean and free of dust, the problem that the outer side surface of the screen plate is not easy to clean is solved, an operator does not need to lean to clean the outer side surface of the screen plate, and cleaning safety is improved;
5. through the solar protection devices who sets up to the angle of sunlight irradiation's illumination intensity regulation sunshading board makes the sunshading board follow the angle change of sun and adjusts self angle, makes the sunshading board shelter from the great one side of illumination intensity all the time, for the staff's sunshade on the cat ladder.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic front view of a telescopic ladder structure of the present invention;
FIG. 3 is a schematic top view of a telescopic ladder structure of the present invention;
FIG. 4 is a schematic left side view of the structure of the present invention;
FIG. 5 is a left side view of the internal structure of the inventive structure;
FIG. 6 is an enlarged view of the structure of the present invention at A;
FIG. 7 is a schematic view of the interior of the turntable according to the present invention;
FIG. 8 is an enlarged view of the structure B of the present invention.
Reference numbers in the figures: 1. handrail, 2, left ladder, 3, base, 4, guide sleeve, 5, side connecting rod, 6, right ladder, 7, first pedal, 8, extension ladder, 9, protective cover, 10, second pedal, 11, telescopic cylinder, 12, first left fixing plate, 13, first right fixing plate, 14, otter board, 15, second left fixing plate, 16, second right fixing plate, 17, supporting plate, 18, sector gear, 19, first rotating shaft, 20, rotary disc, 21, cavity, 22, spring, 23, first wire rope, 24, first gear, 25, second rotating shaft, 26, first groove, 27, second groove, 28, slide bar, 29, slide block, 30, extension spring, 31, second wire rope, 32, scraper, 33, brush hair, 34, driving motor, 35 sun visor.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a ladder stand structure for mounting building circuits comprises a handrail 1, a left ladder stand 2, a base 3, a guide sleeve 4, a side connecting rod 5, a right ladder stand 6, a first pedal 7, an extension ladder 8, a protective cover 9, a second pedal 10, extension cylinders 11, a first left fixing plate 12, a first right fixing plate 13, a screen plate 14, a second left fixing plate 15 and a second right fixing plate 16, wherein the guide sleeve 4 is arranged between the left ladder stand 2 and the right ladder stand 6, the base 3 is arranged at the bottom of the guide sleeve 4, the left end and the right end of the base 3 are respectively fixed at the bottoms of the left ladder stand 2 and the right ladder stand 6, two sets of extension cylinders 11 are arranged at the inner bottom of the guide sleeve 4, the upper ends of the extension cylinders 11 are supported at the bottom of the extension ladder 8, the lower part of the extension ladder 8 is arranged in the guide sleeve 4 in a telescopic way, the left ladder stand 2 and the right guide sleeve 6 are symmetrically arranged about the middle guide sleeve 4, and a plurality of groups of side connecting rods 5 are connected between the left side and right sides of the left ladder stand 2 and right ladder stand 6, a first left fixing plate 12 is arranged on the left side of the left ladder stand 2, a first right fixing plate 13 is arranged on the right side of the left ladder stand 2, the first left fixing plate 12 and the first right fixing plate 13 are parallel left and right, meanwhile, a plurality of groups of first foot pedals 7 are arranged between the first left fixing plate 12 and the first right fixing plate 13, handrails 1 are arranged on the first left fixing plate 12 and the first right fixing plate 13, the first left fixing plate 12 and the first right fixing plate 13 are symmetrical left and right relative to the central line of the first foot pedals 7, the structures of the right ladder stand 6 and the left ladder stand 2 are consistent, the left ladder stand 2 and the right ladder stand 6 are made of stainless steel materials, a second left fixing plate 15 is arranged on the left side of the extension ladder 8, a second right fixing plate 16 is arranged on the right side of the extension ladder 8, a plurality of groups of second foot pedals 10 are connected between the second left fixing plate 15 and the second right fixing plate 16, and the extension ladder 8 is made of stainless steel, the left side and the right side of the upper part of the extension ladder 8 are both provided with protective covers 9, the surfaces of the protective covers 9 on the two sides are both provided with mesh plates 14, and the extension ladder 8 can move up and down along the inner wall of the guide sleeve 4 in the vertical direction.
As shown in fig. 1-5, the overall structure of the equipment is shown, the equipment is mainly provided with a left ladder stand 2, a right ladder stand 6 and an extension ladder 8, the extension ladder 8 is positioned between the left ladder stand 2 and the right ladder stand 6, and the lower part of the extension ladder 8 is telescopically movable in a guide sleeve 4, so that the extension ladder 8 can be conveniently lifted or lowered, the height of the extension ladder 8 can be conveniently increased or reduced, and the equipment is more convenient to use;
the left end and the right end of the base 3 arranged at the bottom of the guide sleeve 4 are respectively fixed at the bottoms of the left crawling ladder 2 and the right crawling ladder 6, and the upper part of the guide sleeve 4 is fixed with the upper parts of the left crawling ladder 2 and the right crawling ladder 6 together so as to ensure that the guide sleeve 4 is firmly installed, so that the extension ladder 8 can be stably extended and retracted and is safer and more reliable to use;
The working principle is as follows: when the ladder stand structure is used for installing the building circuit, the equipment is placed at a position to be used, the left ladder stand 2 and the right ladder stand 6 in the equipment are bilaterally symmetrical about the middle guide sleeve 4, the structure is consistent in arrangement, the materials are selected to be the same, the left ladder stand 2 and the right ladder stand 6 are balanced and coordinated in installation, meanwhile, a plurality of groups of side connecting rods 5 are connected between the left side and the right side of the left ladder stand 2 and the right ladder stand 6, so that the left ladder stand 2 and the right ladder stand 6 are more stable and firm in installation and are not prone to skew, the use is safer and more reliable, the two sides of the left ladder stand 2 and the right ladder stand 6 can be used simultaneously, the telescopic cylinder 11 at the lower part is used for extension, the telescopic ladder 8 in the guide sleeve 4 is pushed up to move vertically, the position of the telescopic ladder 8 is improved, the use of workers is more convenient, and the protective covers 9 are arranged at the left side and the right side of the telescopic ladder 8 and are used for semi-enclosure protection, the working personnel can not be influenced to climb upwards, the working personnel can be semi-surrounded, the use is safer, and the operation is firmer and more stable.
In one embodiment, as shown in fig. 6-8, the outer side wall of the extension ladder 8 is provided with a cleaning device, and the cleaning device comprises:
the supporting plate 17 is arranged on the side wall of the extension ladder 8, and the supporting plate 17 is perpendicular to the extension ladder 8;
a sector gear 18, the sector gear 18 being disposed at the center of the support plate 17 by a first rotating shaft 19;
the rotating disc 20 is sleeved on the first rotating shaft 19, a cavity 21 is arranged in the rotating disc 20, a clockwork spring 22 is arranged in the cavity 21, one end of the clockwork spring 22 is fixedly connected with the first rotating shaft 19, and the other end of the clockwork spring 22 is fixedly connected with the inner wall of the cavity 21;
one end of the first steel wire rope 23 is connected with one end, far away from the telescopic ladder 8, of the first rotating shaft 19, and the other end of the first steel wire rope 23 is wound on the first rotating shaft 19, extends to the lower part of the first rotating shaft 19 and is fixedly connected with the upper end of the guide sleeve 4;
two first gears 24 are respectively arranged on the left side and the right side of the sector gear 18, the first gears 24 are installed on the supporting plate 17 through a second rotating shaft 25, and the two first gears 24 are respectively meshed with the sector gear 18;
the two first grooves 26 are respectively and symmetrically arranged on the side walls of the left end and the right end of the supporting plate 17, and the inner walls of the two sides of the first grooves 26 are symmetrically provided with second grooves 27;
the sliding rod 28 is arranged in the first groove 26 and slides left and right in the first groove 26, two sliding blocks 29 are symmetrically arranged on two side walls of the sliding rod 28 close to one end of the first groove 26, and the sliding blocks 29 are arranged in the second groove 27 and can slide left and right along the second groove 27;
the extension spring 30 is arranged in the first groove 26, one end of the extension spring 30 is fixedly connected with the inner wall of the first groove 26, and the other end of the extension spring 30 is fixedly connected with the sliding rod 28;
one end of the second wire rope 31 is fixedly connected with one end of the second rotating shaft 25, which is far away from the first gear 24, and the other end of the second wire rope 31 is wound on the second rotating shaft 25 and extends to the outside of the second rotating shaft 25 to be fixedly connected with one end of the sliding rod 28;
the scraper 32 is installed on the sliding rod 28, the scraper 32 is perpendicular to the sliding rod 28, bristles 33 are arranged on one side, facing the screen plate 14, of the scraper 32, and the bristles 33 are in surface contact with the screen plate 14.
The working principle and the beneficial effects of the technical scheme are as follows: when the extension ladder 8 ascends, one end of a first steel wire rope 23 is fixedly connected with the upper end of the guide sleeve 4, in the ascending process, the first steel wire rope 23 winds out of a first rotating shaft 19 and drives the first rotating shaft 19 to rotate, the first rotating shaft 19 rotates and drives a sector gear 18 and a first rotating disc 20 to rotate, the sector gear 18 is respectively meshed with first gears 24 on the left side and the right side, the sector gear 18 rotates and simultaneously alternately drives the first gears 24 on the left side and the right side to rotate, when the sector gear 18 is meshed with the first gear 24 on the left side, the sector gear 18 drives the first gear 24 on the left side to rotate, a second steel wire rope 31 is gradually wound on a second rotating shaft 25 and pulls a sliding rod 28 to slide from left to right in a first groove 26, a sliding block 29 slides in a second groove 27 to prevent the sliding rod 28 from falling out of the first groove 26, a telescopic spring 30 on the left side begins to contract, a scraping plate 32 arranged above the sliding rod 28 also slides from left to right along with the sliding rod 28, so that the bristles 33 below the scraper 32 clean the surface of the left screen plate 14, when the sector gear 18 is separated from the left first gear 24, the slide rod 28 returns to the original position under the elastic force of the left extension spring 30, so that the bristles 33 clean the left screen plate 14 from right to left, the second wire rope 31 wound around the second rotating shaft 25 also returns to the original position, meanwhile, the sector gear 18 is engaged with the right first gear 24 to drive the right scraper 32 to move from right to left, so that the bristles 33 below the right scraper 32 clean the right screen plate 14, and so on, the cycle is repeated until the extension ladder 8 stops rising, when the extension ladder 8 descends, the rotary disc 20 drives the first rotating shaft 19 to rotate under the elastic force of the spring 22, so that the first wire rope 23 is wound around the first rotating shaft 19 again, and the bristles 33 on the left side and the right side continue to alternately clean the left screen plate 14 and the right side screen plate 14, the cleaning effect is more thorough, and the cleaning device is arranged, so that the surface of the screen plate 14 can be cleaned when the extension ladder 8 ascends or descends, the outer side of the screen plate 14 is clean and free of dust, the problem that the surface of the outer side of the screen plate 14 is not easy to clean is solved, an operator does not need to lean to clean the surface of the outer side of the screen plate 14, and the cleaning safety is improved.
In one embodiment, as shown in fig. 1 and 4, the sun shading device further comprises a sun shading device, wherein the sun shading device comprises:
the driving motors 34 are arranged at the upper end of the protective cover 9, and the two driving motors 34 are symmetrically distributed at the left side and the right side of the extension ladder 8;
a sun shield 35, wherein the sun shield 35 is arranged at the output end of the drive motor 34, and the sun shield 35 is positioned above the protective cover 9;
the first optical sensor is arranged at the left end of the sun visor 35 and used for detecting the illumination intensity of the left end of the sun visor 35 and outputting a corresponding first voltage;
the second optical sensor is arranged at the right end of the sun shield 35 and used for detecting the illumination intensity at the right end of the sun shield 35 and outputting a corresponding second voltage;
the controller is arranged at the upper end of the protective cover 9 and is electrically connected with the driving motor 34, the first optical sensor and the second optical sensor respectively;
the controller controls the driving motor 34 to rotate based on the measured values of the first optical sensor and the second optical sensor to drive the sun shield 35 to rotate so as to complete the adjustment of the angle of the sun shield 35, and specifically comprises the following steps:
step 1: the first voltage is output by using the illumination intensity of the left end of the sun visor 35 detected by the first optical sensor, the second voltage is output by using the illumination intensity of the right end of the sun visor 35 detected by the second optical sensor, and then the voltage difference value between the left end and the right end of the sun visor 35 is calculated by formula (1):
U3＝U1-U2 (1)
wherein, U3Is the voltage difference between the left and right ends of the sun shield 35, U1Is a first voltage, U2A second voltage;
step 2: the controller calculates the target angle of the sun visor 35 according to the voltage difference between the left and right ends of the sun visor 35 by the formula (2):
wherein α is the target angle of the sun shield 35, U4For driving the voltage across the motor 34, P1To the rated power, omega, of the drive motor 341For driving the angular velocity, I, of the output of the motor 344T is a preset rotation time of the driving motor 34, which is a load current of the driving motor 34;
and step 3: the rotation direction of the sun visor 35 is determined according to the voltage difference value at the left and right ends of the sun visor 35 calculated by the formula (1) (wherein, as shown in fig. 4, the sun visor is rotated in a horizontal circumference), if the voltage difference value at the left and right ends of the sun visor 35 is a negative number, the driving motor 34 drives the sun visor 35 to rotate clockwise and controls the sun visor 35 to rotate to the target angle, if the voltage difference value at the left and right ends of the sun visor 35 is a positive number, the driving motor 34 drives the sun visor 35 to rotate counterclockwise and controls the sun visor 35 to rotate to the target angle, and if the voltage difference value at the left and right ends of the sun visor 35 is zero, the sun visor 35 does not rotate.
The working principle and the beneficial effects of the technical scheme are as follows: the protective cover 9 is provided with a driving motor 34, the output end of the driving motor 34 is provided with a sun shield 35, the output end of the driving motor 34 can axially rotate to control the rotation of the sun shield 35, the sun shield 35 can be used for shielding the sun, when an operator uses the ladder to shield the upper part of the operator to avoid the direct sunshine, the left end and the right end of the sun shield 35 are respectively provided with a first optical sensor and a second optical sensor which respectively detect the illumination intensity of the left end and the right end of the sun shield 35 and output voltage according to different illumination intensities, then the voltage difference value of the left end and the right end of the sun shield 35 can be calculated through a formula (1), if the voltage difference value of the left end and the right end of the sun shield 35 is a negative number, the controller controls the driving motor 34 to clockwise rotate and drive the sun shield 35 to clockwise rotate to a target angle, if the voltage difference value of the left end and the right end of the sun shield 35 is a positive number, the controller controls the driving motor 34 to anticlockwise rotate, and drive sunshading board 35 anticlockwise rotation to the target angle, if the difference in voltage at both ends is zero about sunshading board 35, then sunshading board 35 does not take place to rotate, through the difference in voltage at both ends about sunshading board 35, can confirm the size of the illumination intensity at sunshading board 35 both ends, and through the rotation of controller control sunshading board 35 to the one side that illumination intensity is big, sunshading board 35 pivoted target angle accessible formula (2) reachs, make sunshading board 35 just to the great one side of illumination intensity all the time, the shading effect has been strengthened, through setting up solar protection devices, and adjust the angle of sunshading board 35 according to the illumination intensity that sunshine shines, make sunshading board 35 follow the angle change of sun and adjust self angle, make sunshading board 35 shelter from the great one side of illumination intensity all the time, for staff's sunshade on the cat ladder.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cat ladder structure is used in building circuit installation, includes left cat ladder (2), right cat ladder (6) and extension ladder (8), its characterized in that: a guide sleeve (4) is arranged between the left crawling ladder (2) and the right crawling ladder (6), a base (3) is arranged at the bottom of the guide sleeve (4), the left end and the right end of the base (3) are respectively fixed at the bottoms of the left crawling ladder (2) and the right crawling ladder (6), two groups of telescopic cylinders (11) are arranged at the inner bottom of the guide sleeve (4), the upper ends of the telescopic cylinders (11) are supported at the bottom of a telescopic ladder (8), and the lower part of the telescopic ladder (8) is movably and telescopically arranged in the guide sleeve (4);
the left side and the right side of the upper part of the extension ladder (8) are respectively provided with a protective cover (9), and the surfaces of the protective covers (9) at the two sides are respectively provided with a screen plate (14);
extension ladder (8) lateral wall is provided with cleaning device, cleaning device includes:
the supporting plate (17), the supporting plate (17) is arranged on the side wall of the extension ladder (8), and the supporting plate (17) is perpendicular to the extension ladder (8);
a sector gear (18), the sector gear (18) being arranged in the center of the support plate (17) by a first rotating shaft (19);
the rotating disc (20) is sleeved on the first rotating shaft (19), a cavity (21) is formed in the rotating disc (20), a clockwork spring (22) is arranged in the cavity (21), one end of the clockwork spring (22) is fixedly connected with the first rotating shaft (19), and the other end of the clockwork spring (22) is fixedly connected with the inner wall of the cavity (21);
one end of the first steel wire rope (23) is connected with one end, far away from the extension ladder (8), of the first rotating shaft (19), and the other end of the first steel wire rope (23) is wound on the first rotating shaft (19), extends to the position below the first rotating shaft (19) and is fixedly connected with the upper end of the guide sleeve (4);
the left side and the right side of the sector gear (18) are respectively provided with two first gears (24), the first gears (24) are installed on the supporting plate (17) through a second rotating shaft (25), and the two first gears (24) are respectively meshed with the sector gear (18);
the two first grooves (26) are respectively and symmetrically arranged on the side walls of the left end and the right end of the supporting plate (17), and the inner walls of the two sides of the first grooves (26) are symmetrically provided with second grooves (27);
the sliding rod (28) is arranged in the first groove (26) and slides left and right in the first groove (26), two sliding blocks (29) are symmetrically arranged on two side walls of one end, close to the first groove (26), of the sliding rod (28), and the sliding blocks (29) are arranged in the second groove (27) and can slide left and right along the second groove (27);
the telescopic spring (30) is arranged in the first groove (26), one end of the telescopic spring (30) is fixedly connected with the inner wall of the first groove (26), and the other end of the telescopic spring (30) is fixedly connected with the sliding rod (28);
one end of the second steel wire rope (31) is fixedly connected with one end, far away from the first gear (24), of the second rotating shaft (25), and the other end of the second steel wire rope (31) is wound on the second rotating shaft (25), extends to the outside of the second rotating shaft (25) and is fixedly connected with one end of the sliding rod (28);
the scraper (32) is installed on the sliding rod (28), the scraper (32) is perpendicular to the sliding rod (28), bristles (33) are arranged on one side, facing the screen plate (14), of the scraper (32), and the bristles (33) are in surface contact with the screen plate (14).
2. The ladder structure for building circuit installation according to claim 1, wherein: left side cat ladder (2) and right cat ladder (6) set up about middle guide pin bushing (4) bilateral symmetry, and all are connected with multiunit side connecting rod (5) between the left and right sides of left side cat ladder (2) and right cat ladder (6).
3. The ladder structure for building circuit installation according to claim 1, wherein: the left side of left side cat ladder (2) is provided with first left fixed plate (12), and the right side of left side cat ladder (2) is provided with first right fixed plate (13) to parallel about first left fixed plate (12) and first right fixed plate (13), install multiunit first footboard (7) simultaneously between first left fixed plate (12) and first right fixed plate (13).
4. A ladder structure for use in the installation of building circuits according to claim 3, wherein: the first left fixing plate (12) and the first right fixing plate (13) are respectively provided with an armrest (1), and the first left fixing plate (12) and the first right fixing plate (13) are bilaterally symmetrical about the center line of the first pedal (7).
5. The ladder structure for building circuit installation according to claim 1, wherein: the structure setting of right cat ladder (6) and left cat ladder (2) is unanimous, and left cat ladder (2) and right cat ladder (6) all adopt stainless steel.
6. The ladder structure for building circuit installation according to claim 1, wherein: the telescopic ladder (8) can move in a lifting mode in the vertical direction, a second left fixing plate (15) is arranged on the left side of the telescopic ladder (8), a second right fixing plate (16) is arranged on the right side of the telescopic ladder (8), a plurality of groups of second foot pedals (10) are connected between the second left fixing plate (15) and the second right fixing plate (16), and meanwhile the telescopic ladder (8) is made of stainless steel.
7. The ladder structure for building circuit installation according to claim 1, wherein: still include solar protection devices, solar protection devices includes:
the driving motors (34) are arranged at the upper end of the protective cover (9), and the two driving motors (34) are symmetrically distributed at the left side and the right side of the extension ladder (8);
a sun visor (35), said sun visor (35) being arranged at the output of said drive motor (34), said sun visor (35) being located above said protective cover (9);
the first optical sensor is arranged at the left end of the sun visor (35) and used for detecting the illumination intensity of the left end of the sun visor (35) and outputting a corresponding first voltage;
the second optical sensor is arranged at the right end of the sun shield (35) and used for detecting the illumination intensity at the right end of the sun shield (35) and outputting a corresponding second voltage;
the controller is arranged at the upper end of the protective cover (9), and is respectively electrically connected with the driving motor (34), the first optical sensor and the second optical sensor;
the controller controls the driving motor (34) to drive the sun shield (35) to rotate to complete the adjustment of the angle of the sun shield (35) based on the measured values of the first optical sensor and the second optical sensor, and the method specifically comprises the following steps:
step 1: the method comprises the following steps of outputting a first voltage by utilizing the illumination intensity of the left end of the sun shield (35) detected by a first optical sensor, outputting a second voltage by utilizing the illumination intensity of the right end of the sun shield (35) detected by a second optical sensor, and then calculating the voltage difference value of the left end and the right end of the sun shield (35) by a formula (1):
U3＝U1-U2 (1)
wherein, U3Is the voltage difference value of the left end and the right end of the sun shield (35), U1Is a first voltage, U2A second voltage;
step 2: the controller calculates the target angle of the sun shield (35) according to the voltage difference value of the left end and the right end of the sun shield (35) through a formula (2):
wherein alpha is a target angle of the sun shield (35), U4For driving a voltage across the motor (34), P1For the rated power of the drive motor (34), omega1For driving the angular velocity of the output of the motor (34), I4T is the load current of the driving motor (34), and is the preset rotation time of the driving motor (34);
and step 3: the rotation direction of the sun shield (35) is determined according to the voltage difference value of the left end and the right end of the sun shield (35) calculated according to the formula (1), if the voltage difference value of the left end and the right end of the sun shield (35) is a negative number, the driving motor (34) drives the sun shield (35) to rotate clockwise and controls the sun shield (35) to rotate to the target angle, if the voltage difference value of the left end and the right end of the sun shield (35) is a positive number, the driving motor (34) drives the sun shield (35) to rotate anticlockwise and controls the sun shield (35) to rotate to the target angle, and if the voltage difference value of the left end and the right end of the sun shield (35) is zero, the sun shield (35) does not rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010628919.0A CN111720046B (en) | 2020-06-30 | 2020-06-30 | Ladder stand structure for building circuit installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010628919.0A CN111720046B (en) | 2020-06-30 | 2020-06-30 | Ladder stand structure for building circuit installation |
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| CN111720046A CN111720046A (en) | 2020-09-29 |
| CN111720046B true CN111720046B (en) | 2022-03-11 |
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| CN101852062A (en) * | 2009-11-11 | 2010-10-06 | 江苏省电力公司宜兴市供电公司 | Insulated lift maintaining platform ladder |
| CN203308371U (en) * | 2013-05-09 | 2013-11-27 | 苏州飞华铝制工业有限公司 | Ladder type working platform |
| CN105401873A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | Insulating elevator |
| CN107060631A (en) * | 2017-06-15 | 2017-08-18 | 兴化市永盛电力器材有限公司 | A kind of damp proof insulation herringbone lift |
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