CN112302528B - Electric power overhaul ladder - Google Patents
Electric power overhaul ladder Download PDFInfo
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- CN112302528B CN112302528B CN202011352065.4A CN202011352065A CN112302528B CN 112302528 B CN112302528 B CN 112302528B CN 202011352065 A CN202011352065 A CN 202011352065A CN 112302528 B CN112302528 B CN 112302528B
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- ladder
- cylinder
- clamp
- hole
- distance adjusting
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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
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
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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
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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
- E06C7/003—Indicating devices, e.g. user warnings or inclinators
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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
- E06C7/50—Joints or other connecting parts
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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
- E06C7/50—Joints or other connecting parts
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention relates to the technical field of electric power overhaul, and discloses an electric power overhaul ladder, which comprises a main ladder and an auxiliary ladder, wherein an angle adjusting electric cylinder is arranged near the hinged part of the main ladder and the auxiliary ladder, and the length of the electric cylinder is adjusted through an operator on the main ladder to electrically adjust the angles of the main ladder and the auxiliary ladder; the other end of the auxiliary ladder is provided with a distance adjusting electric cylinder, a fixed cylinder and a movable cylinder of the distance adjusting electric cylinder are respectively provided with a front end clamp and a rear end clamp, the front end clamp is fixed, and the rear end clamp can be opened through a clamp movable block; the tail end of the distance adjusting electric cylinder is fixedly provided with a supporting leg, and the tail end of the supporting leg is provided with an electromagnet; when the device is used, the two clamping devices clamp the telegraph pole to fix the maintenance ladder, so that maintenance personnel can conveniently climb, and the device can also be erected on an iron vertical surface to fix the auxiliary ladder through the electromagnet so as to conveniently climb; the advantages are that: the overhaul position that traditional ladder can not reach is obtained through level control and angle modulation, improves the stability of climbing wire pole and iron facade through binding clasp and electro-magnet, improves the security performance.
Description
Technical Field
The invention relates to the technical field of electric power overhaul, in particular to an electric power overhaul ladder.
Background
In electric power overhauls, often need overhaul the electrical equipment and the power supply line that are located higher position, the instrument of ascending a height commonly used is the maintenance ladder, leans on the maintenance ladder on supports such as wall, thereby the maintainer climbs up the maintenance ladder and overhauls the electrical equipment of top.
No matter traditional maintenance ladder is straight ladder or folding ladder or extension ladder, all need straighten the use, the ladder bottom is fully fixed with ground, the ladder upper end is taken near being examined and is repaiied equipment and use, maintainer's operation scope is very limited because of receiving the ladder restriction, often height and horizontal distance hardly satisfy the needs simultaneously, it makes intensity of labour increase to probe out the body operation, also greatly increases simultaneously overhauls the probability that the operation in-process takes place danger. The maintenance platform can solve the problems, enlarge the operation range and improve the safety, and the maintenance platform is often large in size, high in cost, heavy, inconvenient to transport, inconvenient to carry along with a vehicle when going out for operation and inconvenient to unfold and use in a narrow space. When the traditional ladder is used for climbing telegraph poles, the surface of the telegraph pole is in an arc shape, so that the ladder is not firm in dependence and is very easy to slip, even if the novel ladder is provided with arc-shaped anti-slip rubber, the novel ladder only plays a certain role, and if the novel ladder meets the heavy action of an overhaul worker or the heavy weather, the reliability of the ladder is difficult to ensure; in addition, traditional ladder climbing wire pole can not obtain the ladder maximum height, because of the needs that the ladder relied on, the maintainer can't climb to highest first order, for satisfying the maintenance needs, often need carry the ladder of overlength. So need design one kind and have the climbing instrument of ladder and maintenance platform advantage concurrently, one kind has the portable small and exquisite characteristics of ladder, can provide great eminence safety operation space simultaneously, can adjust the operation scope in a flexible way, can be firm climbing electric power maintenance ladder of wire pole.
Disclosure of the invention
The invention aims to provide an electric power overhaul ladder, which solves the problems in the prior art. This scheme adopts two sections angle regulation's ladder, builds a miniature operation platform fast, has receive and release fast, light small and exquisite, reliable and stable, can adjust the characteristics of operation scope in a flexible way.
The technical scheme provided by the invention is as follows:
the utility model provides an electric power overhaul ladder, includes the ladder main part, still includes angle modulation electric jar, apart from adjusting electric jar, front end binding clasp, rear end binding clasp, supporting legs, folding slider and operation ware. The ladder main body comprises a main ladder at the lower end and an auxiliary ladder at the upper end, the main ladder and the auxiliary ladder are rotatably connected, and the length of the auxiliary ladder is smaller than that of the main ladder. The angle adjusting electric cylinders are two, and movable cylinders of the two angle adjusting electric cylinders are respectively hinged to two corresponding vertical arms of the auxiliary ladder. The fixed cylinders of the two angle adjusting electric cylinders are respectively hinged with two folding sliding blocks, and the two folding sliding blocks are connected with two corresponding vertical arms of the main ladder in a sliding manner. One end of the vertical arm of the auxiliary ladder is fixedly connected with the fixed cylinder mounting seat of the distance adjusting electric cylinder, and the two distance adjusting electric cylinders are symmetrically arranged on the two vertical arms of the auxiliary ladder respectively.
And the fixed cylinder of the distance adjusting electric cylinder is fixedly connected with the front end clamp. The middle of the front end clamping device is provided with an arc-shaped first clamping part, and the first clamping part is used for clamping rod objects. And the movable cylinders of the two distance adjusting electric cylinders are fixedly connected with the two supporting legs. The rear end clamping device comprises an arc-shaped second clamping part, two ends of the second clamping part are planes, one end of the rear end clamping device is rotatably connected with one supporting leg, and the other end of the rear end clamping device is detachably connected with the other supporting leg. The angle adjusting electric cylinder and the distance adjusting electric cylinder are electrically connected with the operator.
Furthermore, a cavity is formed in the folding sliding block, the shape and the size of the cavity are the same as the cross section of the vertical arm of the main ladder, a slide way is arranged on the inner side surface of the cavity, the slide way is matched with the vertical arm of the main ladder, and the folding sliding block slides on the vertical arm of the main ladder in a single degree of freedom; the outer side of the folding sliding block is hinged with a fixed cylinder of the angle adjusting electric cylinder; a first locking pin hole is also formed in the middle of the folding sliding block, and a pluggable locking pin is arranged in the first locking pin hole; and a second locking pin hole is formed in the position, close to the upper part, of the vertical arm of the main ladder, and corresponds to the first locking pin hole in position.
Further, front end binding clasp both ends symmetry respectively is equipped with a plane, the fixed boss that is equipped with in plane, the boss center is porose, the hole cross-section is the notch cuttype, and the front end diameter cooperatees with apart from the fixed jar diameter of adjusting the electric jar, and the rear end diameter cooperatees with apart from the movable cylinder of adjusting the electric jar, apart from adjusting the electric jar and passing in the hole, fixed jar with boss fixed connection, movable cylinder with boss sliding connection.
Furthermore, the supporting legs comprise supporting leg shafts, supporting leg sleeves and electromagnets; the supporting foot shaft is internally provided with a hollow structure and is used for accommodating and fixing a movable cylinder of a distance adjusting electric cylinder, a stepped structure is arranged outside the supporting foot shaft and is respectively provided with a small diameter and a large diameter, a supporting foot sleeve is fixedly arranged on the small diameter, a gap is reserved between the supporting foot shaft and the supporting foot sleeve, and the gap is used for rotatably connecting a rear end clamp with the supporting foot; the electromagnet is fixedly arranged at the tail end of the supporting foot shaft and is electrically connected with the operator, and the electromagnet is of a power-off suction type and a power-on release type.
Furthermore, two planes, a right end face and a left end face, are respectively arranged at two ends of the rear end clamp, a hole is formed in the right end face, and the diameter of the hole is matched with the small diameter of the supporting foot shaft; the left end face is provided with a half hole, the left end face is also rotatably connected with a clamp movable block, and the clamp movable block is provided with a half hole; the clamp movable block is matched with the left end face of the rear end clamp. The left end face is provided with an arc-shaped bulge, a gap is arranged in the arc-shaped bulge, and the arc-shaped bulge is provided with a movable block connecting hole; the clamp is characterized in that the movable block of the clamp is correspondingly provided with a connecting tongue, the side surface of the connecting tongue is provided with an arc surface, and the connecting tongue is provided with a connecting hole. The fillet is arranged at the joint of the upper plane of the movable block of the clamping device and the half hole, and the fillet is used for preventing the movable block of the clamping device from interfering with the supporting foot shaft during movement. The connecting tongue of the movable block of the clamping device is inserted into a gap on the left end face of the rear-end clamping device and is hinged with the second connecting hole of the movable block through the first connecting hole of the movable block. And the left position of the left end surface of the rear end clamp is provided with a first fastening screw hole, the left corresponding position of the movable block of the clamp is provided with a second fastening screw hole, and the axes of the first fastening screw hole and the second fastening screw hole are superposed and are provided with a hand screw.
Further, a high-voltage alarm is further arranged and fixedly installed at the highest position of the main ladder.
Furthermore, a battery jar with a hollow structure is arranged inside the vertical arm of the auxiliary ladder, and a battery is arranged in the battery jar; the battery is detachably connected with the battery jar, and the battery jar is provided with a detachable battery cover with a waterproof rubber ring.
Furthermore, the rated voltages of the angle adjusting electric cylinder, the distance adjusting electric cylinder and the electromagnet are all 24V direct current; the battery is the 24V battery, be equipped with operating button, charging socket and electric quantity pilot lamp on the operation ware.
When the electromagnetic angle adjusting device is used, the extension length of the angle adjusting electric cylinder and the extension length of the distance adjusting electric cylinder can be adjusted through the button of the operator, the on-off state of the power supply of the electromagnet can be changed, and the attraction and the release of the electromagnet are controlled; after the ladder is used, the folding slide block can be adjusted to enable the main ladder and the auxiliary ladder to be close to each other, and the transportation volume is reduced.
The invention also provides a power maintenance climbing method, which comprises the following steps:
sliding the folding slide block, rotating the auxiliary ladder to make the main ladder and the auxiliary ladder approach to a straight line, horizontally placing on the ground, and placing at the root of the telegraph pole;
using an operator to extend the distance adjusting electric cylinder until the extension amount is slightly larger than the diameter of the root of the telegraph pole; unscrewing a hand screw on the rear end clamp, anticlockwise rotating the clamp movable block to open the left end of the rear end clamp, clockwise rotating the rear end clamp by 180 degrees, moving the access ladder to enable the root of the telegraph pole to be close to the front end clamp and be positioned in the center of the first clamping part, reversely rotating the rear end clamp to return, reversely rotating the clamp movable block, and screwing the hand screw; using an operator to shorten the distance adjusting electric cylinder until the telegraph pole is positioned between the first clamping part and the second clamping part and is stopped before being clamped, and keeping a small distance between the telegraph pole and the front end clamping device and a small distance between the telegraph pole and the rear end clamping device;
lifting the auxiliary ladder, releasing the hand, inclining the auxiliary ladder, temporarily locking the auxiliary ladder on the telegraph pole and not sliding off, holding the main ladder by hand, adjusting the angle by using an operator to adjust the electric cylinder, enabling the folding slide block to slide on the main ladder, and enabling the locking pin to fall into the two locking pin holes when the folding slide block slides to align the first locking pin hole and the second locking pin hole, so as to lock the folding slide block;
lifting the main ladder by hand, adjusting the angle by using an operator to adjust the electric cylinder while lifting the main ladder, keeping the auxiliary ladder approximately horizontal until the main ladder is completely vertical or reaches the operation height, and leveling the auxiliary ladder; the distance adjusting electric cylinder is adjusted to enable the first clamping part and the second clamping part to tightly clamp the telegraph pole; the maintainers can climb to work, and in order to further ensure the safety, the most suitable working range of the operation of the maintainers is that the maintainers step on the main ladder and depend on the joint of the main ladder and the auxiliary ladder; in order to reach the maximum working height, the maintainer can step on the auxiliary ladder by foot under the condition of hanging the safety belt, and the maintainer depends on the telegraph pole, so that the ladder is maximally utilized, and the safety height higher than that of the traditional ladder is reached.
The invention also provides another power maintenance climbing method, which comprises the following steps:
sliding the folding slide block, rotating the auxiliary ladder to align the first locking pin hole with the second locking pin hole, and enabling the locking pins to fall into the two locking pin holes to lock the folding slide block;
the electromagnet is enabled to lose magnetism by using the manipulator, the maintenance ladder is leaned against an iron vertical surface near the equipment to be maintained in a lifting mode, and the electromagnet is contacted with the iron vertical surface;
the angle is adjusted by using the operator to adjust the electric cylinder, the maintenance ladder is moved at the same time, the maintenance ladder reaches a proper height, the electromagnet circuit is disconnected, the electromagnet is powered off to restore magnetism, and the vertical surface is firmly attracted;
the operator is used for adjusting the distance adjusting electric cylinder, and the maintenance ladder is moved at the same time, so that the maintenance ladder reaches a proper horizontal distance; the maintainer can scramble the operation.
The design scheme of the invention has the following advantages:
the length of the electric cylinder is adjusted by adjusting the angle, the included angle between the main ladder and the auxiliary ladder is changed, the auxiliary ladder can be supported at any height of the ladder, and only the bottom end of the main ladder needs to be firmly fixed without slipping, so that a maintainer can easily obtain a proper operation height;
the electric cylinder is adjusted by adjusting the distance, so that the adjustment of the horizontal distance can be obtained when a maintainer stands on the main ladder, and the hands of the maintainer can reach the position which cannot be reached by the traditional ladder;
when the telegraph pole is climbed, the telegraph pole is tightly clamped by the two clamping parts, so that the safety of the pole climbing operation is greatly improved, the possibility that a ladder slips off and topples over from the telegraph pole is avoided, and the height of the safety operation is increased by the reliable auxiliary ladder;
when the ladder depends on the iron facade, the iron facade is sucked by the two strong magnets, the stability of the ladder can be increased, and the ladder can be supported only by the magnets without selecting a flat facade.
Drawings
FIG. 1 is a general schematic of the present invention;
FIG. 2 is a schematic structural diagram of the main components of the present invention;
FIG. 3 is a schematic structural view of the folding slider 8;
FIG. 4 is a schematic view of the rear end gripper 5;
FIG. 5 is a detailed view of the front end gripper 4;
FIG. 6 is a detailed view of the rear end gripper 5;
FIG. 7 is a schematic view of the movable block 56 of the clamping device;
FIG. 8 is a view showing the construction of the support leg shaft 61;
FIG. 9 is a schematic structural view of the supporting foot 6;
fig. 10 is a schematic structural diagram of the battery case 121 and the battery 10.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.
The invention provides an electric power overhaul ladder which comprises a ladder main body 1, an angle adjusting electric cylinder 2, a distance adjusting electric cylinder 3, a front end clamp 4, a rear end clamp 5, supporting legs 6, a folding slide block 8 and an operator 9.
The ladder main body 1 comprises a main ladder 11 at the lower end and an auxiliary ladder 12 at the upper end, the main ladder 11 is rotatably connected with the auxiliary ladder 12, and the length of the auxiliary ladder 12 is smaller than that of the main ladder 11.
The angle adjusting electric cylinders 2 are two, and the movable cylinders of the two angle adjusting electric cylinders 2 are respectively hinged on two corresponding vertical arms of the auxiliary ladder 12.
The fixed cylinders of the two angle adjusting electric cylinders 2 are respectively hinged with two folding sliding blocks 8, and the two folding sliding blocks 8 are in sliding connection with two corresponding vertical arms of the main ladder 11.
One end of the vertical arm of the auxiliary ladder 12 is fixedly connected with the fixed cylinder mounting seat 33 of the distance adjusting electric cylinder 3, and the number of the distance adjusting electric cylinders 3 is two, and the two distance adjusting electric cylinders are respectively and symmetrically arranged on the two vertical arms of the auxiliary ladder 12.
The fixed cylinder of the distance adjusting electric cylinder 3 is fixedly connected with the front end clamp 4; an arc-shaped first clamping part 41 is arranged in the middle of the front end clamping device 4, and the first clamping part 41 is used for clamping a rod-like object.
The movable cylinders of the two distance adjusting electric cylinders 3 are fixedly connected with the two supporting legs 6.
Rear end binding clasp 5 contains curved second clamping part 51, the both ends of second clamping part 51 are the plane, rear end binding clasp 5 one end is rotated with one of them supporting legs 6 and is connected, the other end of rear end binding clasp 5 can be dismantled with another supporting legs 6 and be connected.
The angle adjusting electric cylinder 2 and the distance adjusting electric cylinder 3 are electrically connected with an operator 9.
In this embodiment, a cavity 81 is formed inside the folding slider 8, the shape and size of the cavity 81 are the same as the cross section of the vertical arm of the main ladder 11, a slide 82 is arranged on the inner side surface of the cavity 81, the slide 82 is matched with the vertical arm of the main ladder 11, and the folding slider 8 slides on the vertical arm of the main ladder 11 with a single degree of freedom; the outer side of the folding sliding block 8 is hinged with a fixed cylinder of the angle adjusting electric cylinder 2; a first locking pin hole 83 is further formed in the middle of the folding slider, and a pluggable locking pin 84 is arranged in the first locking pin hole 83; a second locking pin hole 111 is arranged at a position, close to the upper part, of the vertical arm of the main ladder 11, and the second locking pin hole 111 corresponds to the first locking pin hole 83 in position.
In this embodiment, front end binding clasp 4 both ends symmetry respectively is equipped with a plane 43, the fixed boss 44 that is equipped with in plane, boss 44 center is porose 45, hole 45 cross-section is the notch cuttype, and the front end diameter cooperatees with the fixed jar 31 diameter of adjusting electric jar 3 apart from, and the rear end diameter cooperatees with the movable jar 32 of adjusting electric jar 3 apart from, the distance is adjusted electric jar 3 and is passed from hole 45, fixed jar 31 with boss 44 fixed connection, movable jar 32 with boss sliding connection.
In this embodiment, the supporting foot 6 includes a supporting foot shaft 61, a supporting foot sleeve 62 and an electromagnet 63; the supporting foot shaft 61 is internally provided with a hollow structure for accommodating and fixing the movable cylinder 32 of the distance adjusting electric cylinder 3, the supporting foot shaft 61 is externally provided with a stepped structure which is respectively provided with a small diameter 611 and a large diameter 612, the supporting foot sleeve 62 is fixedly arranged on the small diameter 611, a gap 64 is reserved between the supporting foot shaft 61 and the supporting foot sleeve 62, and the gap 64 is used for rotatably connecting the rear end clamp 5 with the supporting foot 6; the electromagnet 63 is fixedly arranged at the tail end of the supporting foot shaft 61, the electromagnet 63 is electrically connected with the operator 9, and the electromagnet 63 is of a power-off suction type and a power-on release type.
In this embodiment, two planes, a right end surface 53 and a left end surface 55, are respectively disposed at two ends of the rear end clamp 5, the right end surface 53 is provided with a hole 54, and the diameter of the hole 54 is matched with the small diameter 611 of the supporting foot shaft 61; the left end face 55 is provided with a half hole 551, the left end face 55 is further rotatably connected with a clamp movable block 56, and the clamp movable block 56 is provided with a half hole 561; the clamper moving block 56 is engaged with the left end face 55 of the rear clamper 5.
The left end face 55 is provided with an arc-shaped protrusion 552, a gap 553 is arranged in the arc-shaped protrusion 552, and a moving block connecting hole 554 is arranged on the arc-shaped protrusion 552; the movable clamp block 56 is correspondingly provided with a connecting tongue 564, the side surface of the connecting tongue 564 is provided with an arc surface 565, and the connecting tongue 564 is provided with a connecting hole 566.
The connecting part of the upper plane 562 and the half-hole 561 of the clamp movable block 56 is provided with a fillet 563, and the fillet 563 is used for preventing the clamp movable block 56 from interfering with the support leg shaft when moving.
The coupling tongue 564 of the clamp moving block 56 is inserted into the slit 553 of the left end face 55 of the rear end clamp 5 and is hinged by the moving block first coupling hole 554 and the moving block second coupling hole 566.
The left position that leans on of rear end binding clasp 5 left end face 55 is equipped with first fastening screw hole 557, the left corresponding position that leans on of binding clasp movable block 56 is equipped with second fastening screw hole 567, the coincidence of first fastening screw hole 557 and second fastening screw hole 567 axis to be equipped with hand screw.
In this embodiment, a high-voltage alarm 7 is further provided, and the high-voltage alarm 7 is fixedly mounted at the highest position of the main ladder 11.
In this embodiment, a battery jar 121 with a hollow structure is arranged inside the vertical arm of the auxiliary ladder 12, and a battery 10 is arranged in the battery jar 121; the battery 10 is detachably connected with a battery jar 121, and the battery jar 121 is provided with a detachable battery cover 122 with a waterproof rubber ring.
In this embodiment, the rated voltages of the angle adjusting electric cylinder 2, the distance adjusting electric cylinder 3 and the electromagnet 63 are all 24V direct current; the battery 10 is a 24V storage battery, and the operator 9 is provided with an operation button, a charging socket and an electric quantity indicator lamp.
When the device is used, the extension length of the angle adjusting electric cylinder 2 and the extension length of the distance adjusting electric cylinder 3 can be adjusted through the button of the operator 9, the on-off state of the power supply of the electromagnet 63 can be changed, the electromagnet 63 is controlled to attract and release, the electromagnet 63 is in a release state in an electrified state, and the electromagnet 63 is in an absorbable state in a power-off state; after the use, the operator 9 is used to contract the angle adjusting electric cylinder 2 and the distance adjusting electric cylinder 3 to the shortest, the locking pin 84 is pulled out, and the folding slide block 8 slides downwards to enable the main ladder 11 and the auxiliary ladder 12 to be close to close up, so that the transportation volume is reduced.
The invention provides a power maintenance climbing method, which comprises the following steps:
a1, sliding a folding sliding block 8, rotating an auxiliary ladder 12 to enable a main ladder 11 and the auxiliary ladder 12 to approach a straight line, horizontally placing on the ground and placing at the root of a telegraph pole;
a2, using an operator 9 to extend the distance adjusting electric cylinder 3 until the extension amount is slightly larger than the diameter of the root of the telegraph pole; unscrewing a hand screw on the rear end clamp 5, rotating the clamp movable block 56 anticlockwise to open the left end of the rear end clamp 5, rotating the rear end clamp 5 clockwise, moving the maintenance ladder after rotating to 180 degrees to enable the root of the telegraph pole to be close to the front end clamp 4 and be located in the center of the first clamping part 41, reversely rotating the rear end clamp 5 to return, reversely rotating the clamp movable block 56, and screwing the hand screw; using the operator 9, the distance-adjusting electric cylinder 3 is shortened to a point where the utility pole is located between the first and second clamping portions 41 and 51 and is stopped before being clamped, while the utility pole remains a small distance from the front and rear end clamps 4 and 5;
a3, lifting the auxiliary ladder 12, after the hands are released, the auxiliary ladder 12 inclines and is temporarily locked on a telegraph pole to prevent the auxiliary ladder from sliding off, holding the main ladder 11 by hands, adjusting the angle adjusting electric cylinder 2 by using the operator 9, enabling the folding slide block 8 to slide on the main ladder, and when the folding slide block slides to the first locking pin hole 83 and the second locking pin hole 111 to be aligned, enabling the locking pin 84 to fall into the two locking pin holes, and enabling the folding slide block 8 to be locked;
a4: lifting the main ladder 11 by hand, adjusting the angle of the electric cylinder 2 by using the operator 9 while lifting the main ladder 11, keeping the auxiliary ladder 12 approximately horizontal until the main ladder 11 is completely vertical or reaches the operation height, and leveling the auxiliary ladder 12; the distance adjusting cylinder 3 is adjusted to enable the first clamping part 41 and the second clamping part 51 to tightly clamp the telegraph pole; the maintainers can climb to work, and in order to further ensure the safety, the most suitable working range of the operation of the maintainers is that the maintainers step on the main ladder 11 and depend on the joint of the main ladder 11 and the auxiliary ladder 12; in order to reach the maximum working height, the maintainer can step on the auxiliary ladder 12 by feet under the condition of hanging the safety belt, and the maintainer depends on the telegraph pole, so that the ladder is maximally utilized, and the safety height higher than that of the traditional ladder is reached.
The invention also provides another power maintenance climbing method, which comprises the following steps:
b1: sliding the folding slide block 8, rotating the auxiliary ladder 12 to align the first locking pin hole 83 with the second locking pin hole 111, and enabling the locking pin 84 to fall into the two locking pin holes to lock the folding slide block 8;
b2: the electromagnet 63 is demagnetized by using the operator 9, the maintenance ladder is leaned against the iron vertical surface near the equipment to be maintained in a lifting mode, and the electromagnet 63 is contacted with the iron vertical surface;
b3: the operator 9 is used for adjusting the angle adjusting electric cylinder 2, the maintenance ladder is moved at the same time, the maintenance ladder reaches a proper height, the circuit of the electromagnet 63 is disconnected, the electromagnet 63 is powered off, the magnetism is restored, and the vertical surface is firmly sucked;
b4: the operator 9 is used for adjusting the distance adjusting electric cylinder 3, and the maintenance ladder is moved at the same time to reach a proper horizontal distance; the maintainers can climb to work, and in order to further ensure the safety, the most suitable working range of the operation of the maintainers is that the maintainers step on the main ladder 11 and depend on the joint of the main ladder 11 and the auxiliary ladder 12; in order to reach the maximum range operating distance, the maintainer can step on the auxiliary ladder 12 by foot under the condition that the contact between the bottom end of the main ladder 11 and the ground is firm, the bottom end of the main ladder 11 has a firm object and a safety belt is fastened, and the ladder is utilized to the maximum degree at the moment, so that the operating distance wider than that of the traditional ladder is obtained, and the position which can not be reached by the traditional ladder is reached.
Claims (4)
1. An electric power service ladder, includes ladder main part (1), its characterized in that:
the device also comprises an angle adjusting electric cylinder (2), a distance adjusting electric cylinder (3), a rear end clamp (4), a front end clamp (5), supporting legs (6), a folding sliding block (8) and an operator (9);
the ladder main body (1) comprises a main ladder (11) at the lower end and an auxiliary ladder (12) at the upper end, the main ladder (11) is rotatably connected with the auxiliary ladder (12), and the length of the auxiliary ladder (12) is smaller than that of the main ladder (11);
the number of the angle adjusting electric cylinders (2) is two, and movable cylinders of the angle adjusting electric cylinders (2) are respectively hinged to two corresponding vertical arms of the auxiliary ladder (12);
the folding sliding blocks (8) are connected with two corresponding vertical arms of the main ladder (11) in a sliding manner, and the fixed cylinders of the two angle adjusting electric cylinders (2) are respectively hinged with the two folding sliding blocks (8);
one end of the vertical arm of the auxiliary ladder (12) is fixedly connected with a fixed cylinder mounting seat (33) of the distance adjusting electric cylinder (3), and two distance adjusting electric cylinders (3) are respectively and symmetrically arranged on the two vertical arms of the auxiliary ladder (12);
the fixed cylinder of the distance adjusting electric cylinder (3) is fixedly connected with the rear end clamp (4); an arc-shaped first clamping part (41) is arranged in the middle of the rear end clamping device (4), and the first clamping part (41) is used for clamping rod objects;
two supporting legs (6) are respectively and fixedly connected with the movable cylinder of the distance adjusting electric cylinder (3);
the front end clamping device (5) comprises an arc-shaped second clamping part (51), two ends of the second clamping part (51) are planes, one end of the front end clamping device (5) is rotatably connected with one supporting leg (6), and the other end of the front end clamping device (5) is detachably connected with the other supporting leg (6);
the supporting foot (6) comprises a supporting foot shaft (61), a supporting foot sleeve (62) and an electromagnet (63); the supporting foot shaft (61) is internally provided with a hollow structure and used for accommodating and fixing a movable cylinder (32) of a distance adjusting electric cylinder (3), a step structure is arranged outside the supporting foot shaft (61) and is respectively provided with a small diameter (611) and a large diameter (612), a supporting foot sleeve (62) is fixedly arranged on the small diameter (611), a gap (64) is reserved between the supporting foot shaft (61) and the supporting foot sleeve (62), and the gap (64) is used for rotationally connecting a front end clamp (5) and a supporting foot (6); the electromagnet (63) is fixedly arranged at the tail end of the supporting foot shaft (61), the electromagnet (63) is electrically connected with the operator (9), the electromagnet (63) is of a power-off suction type and a power-on release type,
the angle adjusting electric cylinder (2) and the distance adjusting electric cylinder (3) are electrically connected with an operator (9);
a cavity (81) is arranged in the folding sliding block (8), the shape and the size of the cavity (81) are the same as the section of the vertical arm of the main ladder (11), a slide way (82) is arranged on the inner side surface of the cavity (81), the slide way (82) is matched with the vertical arm of the main ladder (11), and the folding sliding block (8) slides on the vertical arm of the main ladder (11) in a single degree of freedom; the outer side of the folding sliding block (8) is hinged with the fixed cylinder of the angle adjusting electric cylinder (2); a first locking pin hole (83) is further formed in the middle of the folding sliding block (8), a pluggable locking pin (84) is arranged in the first locking pin hole (83), a second locking pin hole (111) is formed in the position, close to the upper portion, of a vertical arm of the main ladder (11), and the second locking pin hole (111) corresponds to the first locking pin hole (83);
rear end binding clasp (4) both ends symmetry respectively is equipped with a plane (43), plane (43) are fixed and are equipped with boss (44), the porose A (45) in boss (44) center, hole A (45) cross-section is the notch cuttype: the diameter of the front end of the electric distance adjusting cylinder is matched with that of a fixed cylinder (31) of the electric distance adjusting cylinder (3), the diameter of the rear end of the electric distance adjusting cylinder is matched with that of a movable cylinder (32) of the electric distance adjusting cylinder (3), the electric distance adjusting cylinder (3) penetrates through a hole A (45), the fixed cylinder (31) is fixedly connected with a boss (44), and the movable cylinder (32) is in sliding connection with the boss (44);
the two ends of the front end clamp (5) are respectively provided with a right end face (53) and a left end face (55), the right end face (53) is provided with a hole B (54), and the diameter of the hole B (54) is matched with the small diameter (611) of the supporting foot shaft (61); the left end face (55) is provided with a half hole A (551), the left end face (55) is also rotatably connected with a clamp movable block (56), and the clamp movable block (56) is provided with a half hole B (561); the clamp movable block (56) is matched with the left end surface (55) of the front end clamp (5);
an arc-shaped protrusion (552) is arranged on the left end face (55), a gap (553) is arranged in the arc-shaped protrusion (552), and a movable block first connecting hole (554) is arranged on the arc-shaped protrusion (552); the clamp moving block (56) is correspondingly provided with a connecting tongue (564), the side surface of the connecting tongue (564) is provided with an arc surface (565), and the connecting tongue (564) is provided with a moving block second connecting hole (566);
a fillet (563) is arranged at the joint of the upper plane (562) of the clamp movable block (56) and the half hole B (561), and the fillet (563) is used for preventing the clamp movable block (56) from interfering with a supporting foot shaft during movement;
the connecting tongue (564) of the clamp movable block (56) is inserted into a gap (553) of the left end surface (55) of the front end clamp (5) and is hinged through a movable block first connecting hole (554) and a movable block second connecting hole (566);
the left position that leans on that is located front end binding clasp (5) left end face (55) is equipped with first fastening screw hole (557), and the left corresponding position that leans on of binding clasp movable block (56) is equipped with second fastening screw hole (567), coincidence of first fastening screw hole (557) and second fastening screw hole (567) axis to be equipped with the hand screw.
2. An electric power overhaul ladder as claimed in claim 1, wherein:
the highest position of the main ladder (11) is provided with a high-voltage alarm (7).
3. An electric power service ladder as claimed in claim 1, wherein:
a battery jar (121) with a hollow structure is arranged inside the vertical arm of the auxiliary ladder (12), and a battery (10) is arranged in the battery jar (121); the battery (10) is detachably connected with the battery tank (121), and the battery tank (121) is provided with a detachable battery cover (122) with a waterproof rubber ring.
4. An electric power service ladder as claimed in claim 3, wherein:
the rated voltage of the angle adjusting electric cylinder (2), the distance adjusting electric cylinder (3) and the electromagnet (63) is 24V direct current; the battery (10) is a 24V storage battery, and the operator (9) is provided with an operation button, a charging socket and an electric quantity indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030215.7A CN116044303A (en) | 2020-11-24 | 2020-11-26 | Using method of electric power overhaul ladder for climbing pole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329059 | 2020-11-24 | ||
| CN2020113290597 | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310030215.7A Division CN116044303A (en) | 2020-11-24 | 2020-11-26 | Using method of electric power overhaul ladder for climbing pole |
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| Publication Number | Publication Date |
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| CN112302528A CN112302528A (en) | 2021-02-02 |
| CN112302528B true CN112302528B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011352065.4A Active CN112302528B (en) | 2020-11-24 | 2020-11-26 | Electric power overhaul ladder |
| CN202310030215.7A Pending CN116044303A (en) | 2020-11-24 | 2020-11-26 | Using method of electric power overhaul ladder for climbing pole |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310030215.7A Pending CN116044303A (en) | 2020-11-24 | 2020-11-26 | Using method of electric power overhaul ladder for climbing pole |
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| CN (2) | CN112302528B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211447A (en) * | 2021-12-08 | 2022-03-22 | 北京华创空港工程有限公司 | Light engineering equipment fixing positioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB745837A (en) * | 1953-05-14 | 1956-03-07 | Cyril Harcourt Matthews | Improvements in or relating to ladders |
| JPH11256968A (en) * | 1998-03-09 | 1999-09-21 | Misawa Homes Co Ltd | Ladder for flat roof |
| JP3144808U (en) * | 2008-07-02 | 2008-09-11 | 雅行 岩崎 | Ladder fixing jig and ladder device |
| CN203488086U (en) * | 2013-08-26 | 2014-03-19 | 国家电网公司 | Insulating ladder for high-hung and low-used type fixed safety belt |
| CN205977084U (en) * | 2016-08-30 | 2017-02-22 | 广西电网有限责任公司柳州供电局 | Modular insulating folding ladder |
| CN108316852A (en) * | 2018-02-27 | 2018-07-24 | 周军明 | One kind stepping on bar hanging ladder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7424933B2 (en) * | 2002-05-28 | 2008-09-16 | Norman Miller | Ladder assemblies |
| US20120097481A1 (en) * | 2010-10-20 | 2012-04-26 | Cam-K Llc | Ladder attachment |
-
2020
- 2020-11-26 CN CN202011352065.4A patent/CN112302528B/en active Active
- 2020-11-26 CN CN202310030215.7A patent/CN116044303A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB745837A (en) * | 1953-05-14 | 1956-03-07 | Cyril Harcourt Matthews | Improvements in or relating to ladders |
| JPH11256968A (en) * | 1998-03-09 | 1999-09-21 | Misawa Homes Co Ltd | Ladder for flat roof |
| JP3144808U (en) * | 2008-07-02 | 2008-09-11 | 雅行 岩崎 | Ladder fixing jig and ladder device |
| CN203488086U (en) * | 2013-08-26 | 2014-03-19 | 国家电网公司 | Insulating ladder for high-hung and low-used type fixed safety belt |
| CN205977084U (en) * | 2016-08-30 | 2017-02-22 | 广西电网有限责任公司柳州供电局 | Modular insulating folding ladder |
| CN108316852A (en) * | 2018-02-27 | 2018-07-24 | 周军明 | One kind stepping on bar hanging ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116044303A (en) | 2023-05-02 |
| CN112302528A (en) | 2021-02-02 |
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