CN112392393B - Special ladder for replacing tension rod insulator - Google Patents
Special ladder for replacing tension rod insulator Download PDFInfo
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- CN112392393B CN112392393B CN202011271699.7A CN202011271699A CN112392393B CN 112392393 B CN112392393 B CN 112392393B CN 202011271699 A CN202011271699 A CN 202011271699A CN 112392393 B CN112392393 B CN 112392393B
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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
- E06C1/36—Ladders suspendable by hooks 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
- E06C7/18—Devices for preventing persons from falling
- E06C7/181—Additional gripping devices, e.g. handrails
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a novel special ladder for replacing a tension rod insulator, which comprises a first ladder body, a telescopic unit and a second ladder body, wherein the first ladder body comprises a hollow cross rod, a first stud, a first pedal, a V-shaped column, a second rotating shaft and a slotted hole, the telescopic unit comprises a rotating structure, a buckle and a second square column, and the second ladder body comprises a first arc-shaped hook, a connecting piece, a rotating buckle and a second pedal. The ladder device ensures the safety of the maintainers during the working period, brings convenience to the maintainers, enables the maintainers to be more convenient and faster to overhaul through switching of two different forms of the ladder, and reduces the risk of potential safety hazards.
Description
Technical Field
The invention relates to a ladder, in particular to a special ladder for replacing a strain rod insulator.
Background
When the 35-110kV tension rod insulator is replaced in a power failure, maintenance personnel need to stand upside down above the insulator, feet face upwards, and the head faces downwards, so that the operation is very complicated, the replacement of the insulator is not labor-intensive, operators are very hard, the replacement time is too long, and great safety risks exist in the working period of the maintenance of the insulator by the operators. A special ladder that is safe and convenient is needed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems associated with existing special ladders for replacing tension rod insulators.
Therefore, the invention aims to solve the problem of how to conveniently and safely maintain the 35-110kV tension rod insulator.
In order to solve the technical problems, the invention provides the following technical scheme: a special ladder for replacing a tension rod insulator comprises a first ladder body and a second ladder body, wherein the first ladder body comprises a hollow cross rod and a plurality of first studs, a cylinder and a second stud are arranged in the hollow cross rod, a first gear is respectively arranged in the middle of the cylinder and at two ends of the cylinder, the first gear in the middle of the cylinder is matched with the second stud, one end of the second stud is connected with a turntable, a second gear is arranged at the upper end of the first stud, the second gear is matched with the first gear, a first square column is connected at the lower end of the first stud, threads are arranged at the upper end of the first square column and matched with the first square column, and a plurality of first pedals are arranged in the middle of the first ladder body;
the telescopic unit comprises a rotating structure, a buckle and a second square column, the rotating structure is arranged at the lower end of the first square column, a first rotating shaft is arranged in the center of the rotating structure, the second square column is arranged on one side of the rotating structure and corresponds to the first pedal in position, and the buckle is arranged at the lower end of the second square column;
the second ladder body, include with the first arc hook that second ladder body upper end is connected to and set up in the connecting piece of bottom, the inside spacing cylinder that is provided with of connecting piece, the side bottom of second ladder body is provided with rotatable buckle, connecting piece one end with the second ladder body is articulated, the other end with first ladder body is articulated, just the connecting piece outside be provided with stop device and with stop device complex gear.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: one end of the first ladder body is hinged to the connecting piece, the other end of the first ladder body is hinged to a V-shaped column, protruding blocks are arranged on two sides of the V-shaped column respectively, a column body is inserted in the middle of the top end of the V-shaped column in a penetrating mode, a first screw hole is formed in the center of each protruding block, and the top end of each column body is connected with a second arc hook.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: a plurality of second screw holes are uniformly formed in the column body.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: the middle of the connecting piece is provided with a groove, the first ladder body and the second ladder body are matched with the connecting piece, and hinge holes are symmetrically formed in the connecting piece.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: and a second rotating shaft is arranged at the joint of the lower end face of the V-shaped column and the first ladder body.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: and a groove hole matched with the rotatable buckle is arranged below the connecting end of the first ladder body and the connecting piece.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: the first square column and the second square column are equal in size, and the first square column and the second square column are in plug-in fit with the first pedal.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: and a groove matched with the buckle is arranged on the lower end face of the second square column.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: a plurality of second pedals are uniformly arranged in the middle of the second ladder body.
As a preferred scheme of the special ladder for replacing the tension rod insulator, the invention comprises the following steps: the rotary disc is provided with a grab handle for controlling the rotary disc to rotate.
The ladder has the advantages that the safety of the maintainers during the working period is ensured, the convenience is brought to the maintainers, the maintainers can more conveniently and quickly maintain the ladder by switching the two different forms, and the risk of potential safety hazards is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be 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 to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall configuration diagram of a special ladder for replacing a tension rod insulator.
Fig. 2 is a view showing a structure of a lifting member of a ladder dedicated for replacing a tension rod insulator.
Fig. 3 is a structure view of a telescopic unit of a ladder dedicated for replacing a tension rod insulator.
Fig. 4 is a structural view of a first stud and a first square column of the special ladder for replacing the tension rod insulator.
Fig. 5 is an overall view of a lifting structure of a ladder dedicated for replacing the tension rod insulator.
Fig. 6 is an overall structure view of a second body of the special ladder for replacing the tension rod insulator.
Fig. 7 is an overall configuration diagram of a connector of a ladder for replacing tension rod insulators.
Fig. 8 is a structural view of a stopper structure and a gear on a connector of a special ladder for replacing a tension rod insulator.
Fig. 9 is an overall view of a limit structure of a special ladder for replacing a tension rod insulator.
Fig. 10 is a bottom structure view of a connector of a special ladder for replacing a tension rod insulator.
Fig. 11 is an overall configuration diagram of a V-shaped column of a ladder dedicated to replacement of a tension rod insulator.
Fig. 12 is a schematic view of the top end structure of the V-shaped post of the special ladder for replacing the tension rod insulator.
Fig. 13 is a schematic view of a turntable of a special ladder for replacing a tension rod insulator.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides a special ladder for replacing tension rod insulators, which includes a first ladder body 100, a telescopic unit 200, and a second ladder body 300, wherein the first ladder body 100 and the second ladder body 300 can be switched between a straight ladder and a working platform through a connecting member 302, and the telescopic unit 200 can switch a hollow cross bar 101 between a guardrail and a handrail.
Specifically, a first ladder body 100, a hollow cross bar 101 and a plurality of first studs 102 are arranged in the hollow cross bar 101, a cylinder 101a and a second stud 101b are arranged in the hollow cross bar 101, a first gear 101a-1 is respectively arranged in the middle and at two ends of the cylinder 101a, the first gear 101a-1 in the middle of the cylinder 101a is matched with the second stud 101b, one end of the second stud 101b is connected with a turntable 101b-1, the upper end of the first stud 102 is provided with a second gear 102a, the second gear 102a is matched with the first gear 101a-1, the lower end of the first stud 102 is connected with a first square column 102b, the upper end of the first square column 102b is provided with threads matched with the first square column, a plurality of first pedals 103 are arranged in the middle of the first ladder body 100, a plurality of first pedals 103 are arranged on the first ladder body 100, when a worker works, the worker can stand on the first pedal 103 to work, the hollow cross rod 101 is hollow, a cylinder 101a and a second stud 101b are arranged in the hollow cross rod, the middle and two ends of the cylinder 101a are respectively provided with a first gear 101a-1, the second stud 101b is provided with a first gear 101a-1 which is arranged in the middle of the cylinder 101a and mutually matched with threads, when the second stud 101b rotates, the first gear 101a-1 arranged in the middle of the cylinder 101a is matched with the threads on the second stud 101b to generate a rotating effect, one end of the second stud 101b is connected with a turntable 101b-1, a grab handle is arranged on the turntable 101b-1, the upper end of the first stud 102 is provided with a second gear 102a, when the first gears 101a-1 arranged at two ends of the cylinder 101a rotate, the second gear 102a is matched with the first stud 102a to rotate, the second gear 102a drives the first stud 102 to rotate, the threads on the first stud 102 are matched with the upper end of the first square column 102b, the first stud 102 is retracted towards the inside of the first square column 102b, and a telescopic effect is achieved.
The telescopic unit 200 comprises a rotating structure 201, a buckle 202 and a second square column 203, wherein the rotating structure 201 is arranged at the lower end of the first square column 102b, a first rotating shaft 201a is arranged at the center of the rotating structure, the second square column 203 is arranged on one side of the rotating structure 201 and corresponds to the position of the first pedal 103, and the buckle 202 is arranged at the lower end of the second square column 203. The rotating structure 201 is arranged at the lower end of the first square column 102b, a small protruding square piece is arranged at the lower end of the first square column 102b, when the rotating structure 201 rotates, the first square column 102b corresponds to the second square column 203 in position, one end of the buckle 202 is connected with the second square column 203, a rotating shaft is arranged at the connecting position, a groove is formed in the bottom of the second square column 203, and the other end of the buckle 202 is arranged in the groove of the second square column 203.
When the lifting rail is used, the rotating disc 101b-1 is rotated, the second stud 101b connected to the rotating disc 101b-1 is matched to rotate, the thread on the second stud 101b is matched with the first gear 101a-1, so that the cylinder 101a drives the first gear 101a-1 to rotate, the first gear 101a-1 is matched with the second gear 102a, when the first gear 101a-1 rotates, the second gear 102a matched with the first gear 101a-1 also rotates, the second gear 102a is arranged on the first stud 102, so that when the second gear 102a rotates, the first stud 102 is driven to rotate together, the first stud 102 is provided with threads which are matched with the threads arranged on the first stud 102b, a lifting effect is generated, and when the hollow cross bar 101 rises to the top end, the lifting rail can be used, and conversely, when lowered to the bottom end, can be used as a handrail, and when the hollow cross bar 101 is used as a railing, the buckle 202 connects the second square column 203 and the first square column 102b, so that the two are fixed in position, when the hollow cross bar 101 is used as an armrest, the first square column 102b is bent by the rotating structure 201, so that one end of the first square column 102b is overlapped with the second square column 203, and then is retracted into the first pedal 103, i.e. it can be used as an armrest, the first ladder body 100 and the second ladder body 300 can be switched into a straight ladder or a working platform by the connecting element 302, when used as a straight ladder, bending the second ladder body 300 through the connecting piece 302, butting the end of the second ladder body 300 with the end of the first ladder body 100, and connecting and fixing the two by the rotatable buckle 303; when the ladder is used as a working platform, the second ladder body 300 and the first ladder body 100 form a 90-degree angle, and the limiting column 302a prevents the platform from shaking integrally.
Example 2
Referring to fig. 5 to 13, a second embodiment of the present invention is different from the first embodiment in that: in the above embodiment, the special ladder for replacing the tension rod insulator comprises a first ladder body 100, a telescopic unit 200 and a second ladder body 300, the first ladder body 100 and the second ladder body 300 can be switched between the straight ladder and the working platform through a connecting piece 302, and the telescopic unit 200 can switch the hollow cross bar 101 between the guardrail and the handrail.
Specifically, a first ladder body 100, a hollow cross bar 101 and a plurality of first studs 102 are arranged in the hollow cross bar 101, a cylinder 101a and a second stud 101b are arranged in the hollow cross bar 101, a first gear 101a-1 is respectively arranged in the middle and at two ends of the cylinder 101a, the first gear 101a-1 in the middle of the cylinder 101a is matched with the second stud 101b, one end of the second stud 101b is connected with a turntable 101b-1, the upper end of the first stud 102 is provided with a second gear 102a, the second gear 102a is matched with the first gear 101a-1, the lower end of the first stud 102 is connected with a first square column 102b, the upper end of the first square column 102b is provided with threads matched with the first square column, a plurality of first pedals 103 are arranged in the middle of the first ladder body 100, a plurality of first pedals 103 are arranged on the first ladder body 100, when a worker works, the worker can stand on the first pedal 103 to work, the hollow cross rod 101 is hollow, a cylinder 101a and a second stud 101b are arranged in the hollow cross rod, the middle and two ends of the cylinder 101a are respectively provided with a first gear 101a-1, the second stud 101b is provided with a first gear 101a-1 which is arranged in the middle of the cylinder 101a and mutually matched with threads, when the second stud 101b rotates, the first gear 101a-1 arranged in the middle of the cylinder 101a is matched with the threads on the second stud 101b to generate a rotating effect, one end of the second stud 101b is connected with a turntable 101b-1, a grab handle is arranged on the turntable 101b-1, the upper end of the first stud 102 is provided with a second gear 102a, when the first gears 101a-1 arranged at two ends of the cylinder 101a rotate, the second gear 102a is matched with the first stud 102a to rotate, the second gear 102a drives the first stud 102 to rotate, the threads on the first stud 102 are matched with the upper end of the first square column 102b, the first stud 102 is retracted towards the inside of the first square column 102b, and a telescopic effect is achieved.
The telescopic unit 200 comprises a rotating structure 201, a buckle 202 and a second square column 203, wherein the rotating structure 201 is arranged at the lower end of the first square column 102b, a first rotating shaft 201a is arranged at the center of the rotating structure, the second square column 203 is arranged on one side of the rotating structure 201 and corresponds to the position of the first pedal 103, and the buckle 202 is arranged at the lower end of the second square column 203. The rotating structure 201 is arranged at the lower end of the first square column 102b, a small protruding square piece is arranged at the lower end of the first square column 102b, when the rotating structure 201 rotates, the first square column 102b corresponds to the second square column 203 in position, one end of the buckle 202 is connected with the second square column 203, a rotating shaft is arranged at the connecting position, a groove is formed in the bottom of the second square column 203, and the other end of the buckle 202 is arranged in the groove of the second square column 203.
When the lifting rail is used, the rotating disc 101b-1 is rotated, the second stud 101b connected to the rotating disc 101b-1 is matched to rotate, the thread on the second stud 101b is matched with the first gear 101a-1, so that the cylinder 101a drives the first gear 101a-1 to rotate, the first gear 101a-1 is matched with the second gear 102a, when the first gear 101a-1 rotates, the second gear 102a matched with the first gear 101a-1 also rotates, the second gear 102a is arranged on the first stud 102, so that when the second gear 102a rotates, the first stud 102 is driven to rotate together, the first stud 102 is provided with threads which are matched with the threads arranged on the first stud 102b, a lifting effect is generated, and when the hollow cross bar 101 rises to the top end, the lifting rail can be used, and conversely, when the hollow cross bar 101 is lowered to the bottom end, the hollow cross bar can be used as a handrail, the buckle 202 connects the second square column 203 and the first square column 102b, so that the two are fixed in position, when the hollow cross bar 101 is used as an armrest, the first square column 102b is bent by the rotating structure 201, so that one end of the first square column 102b is overlapped with the second square column 203, and then is retracted into the first pedal 103, i.e. it can be used as an armrest, the first ladder body 100 and the second ladder body 300 can be switched into a straight ladder or a working platform by the connecting element 302, when used as a straight ladder, bending the second ladder body 300 through the connecting piece 302, butting the end of the second ladder body 300 with the end of the first ladder body 100, and connecting and fixing the two by the rotatable buckle 303; when the ladder is used as a working platform, the second ladder body 300 and the first ladder body 100 form a 90-degree angle, and the limiting column 302a prevents the platform from shaking integrally.
Furthermore, one end of the first ladder body 100 is hinged to the connecting piece 302, the other end of the first ladder body is hinged to the V-shaped column 104, two sides of the V-shaped column 104 are respectively provided with a convex block 104a, a column 104b is inserted in the middle of the top end of the V-shaped column 104, the center of the convex block 104a is provided with a first screw hole 104a-1, the top end of the column 104b is connected with a second arc hook 104b-1, the V-shaped column 104 enables the overall stability of the ladder to be stronger, the convex block 104a is matched with the first screw hole 104a-1, the position of the column 104b can be fixed, the second arc hook 104b-1 is hung on a guide wire, and the first arc hook 301 is hung on a cross bar of a tower, so that the overall ladder becomes a platform, and maintenance personnel can perform maintenance more conveniently and safely.
Furthermore, a plurality of second screw holes 104b-2 are uniformly formed in the column body 104b, and the second screw holes 104b-2 are matched with the projection 104a, so that the height of the column body 104b can be adjusted to deal with different working environments.
Further, the middle of the connecting piece 302 is provided with a groove 302c, the first ladder body 100 and the second ladder body 300 are matched with the connecting piece 302, hinge holes 302d are symmetrically arranged on the connecting piece 302, the groove 302c enables the first ladder body 100 and the second ladder body 300 to be conveniently butted in the connecting piece 302, so that the first ladder body 100 and the second ladder body 300 can be switched between a working platform and a straight ladder, and the hinge holes 302d are respectively connected with the first ladder body 100 and the second ladder body 300, so that the first ladder body 100 and the second ladder body 300 can be bent.
Furthermore, a second rotating shaft 105 is arranged at the joint of the lower end face of the first ladder body 100 and the lower end face of the V-shaped column 104, a slot 106 matched with the rotatable buckle 303 is arranged below the joint of the first ladder body 100 and the connecting piece 302, the second rotating shaft 105 can bend the V-shaped column 104, so that the whole ladder can be switched between a straight ladder and a workbench, and the slot 106 is matched with the rotatable buckle 303 to generate a fixing effect.
Further, the first square column 102b and the second square column 203 have the same size, the first square column 102b and the second square column 203 are in inserted fit with the first pedal 103, a groove 203a matched with the buckle 202 is formed in the lower end face of the second square column 203, a plurality of second pedals 304 are uniformly arranged in the middle of the second ladder body 300, a grab handle 101b-2 for controlling the rotation of the turntable 101b-1 is arranged on the turntable 101b-1, the buckle 202 can be conveniently rotated to a specified position by the groove 203a, the first square column 102b and the second square column 203 are fixed, and the grab handle 101b-2 controls the turntable 101b-1 to rotate so as to adjust the height of the hollow cross bar 101.
When the lifting rail is used, the rotating disc 101b-1 is rotated, the second stud 101b connected to the rotating disc 101b-1 is matched to rotate, the thread on the second stud 101b is matched with the first gear 101a-1, so that the cylinder 101a drives the first gear 101a-1 to rotate, the first gear 101a-1 is matched with the second gear 102a, when the first gear 101a-1 rotates, the second gear 102a matched with the first gear 101a-1 also rotates, the second gear 102a is arranged on the first stud 102, so that when the second gear 102a rotates, the first stud 102 is driven to rotate together, the first stud 102 is provided with threads which are matched with the threads arranged on the first stud 102b, a lifting effect is generated, and when the hollow cross bar 101 rises to the top end, the lifting rail can be used, and conversely, when lowered to the bottom end, can be used as a handrail, and when the hollow cross bar 101 is used as a railing, the buckle 202 connects the second square column 203 and the first square column 102b, so that the two are fixed in position, when the hollow cross bar 101 is used as an armrest, the first square column 102b is bent by the rotating structure 201, so that one end of the first square column 102b is overlapped with the second square column 203, and then is retracted into the first pedal 103, i.e. it can be used as an armrest, the first ladder body 100 and the second ladder body 300 can be switched into a straight ladder or a working platform by the connecting element 302, when used as a straight ladder, bending the second ladder body 300 through the connecting piece 302, butting the end of the second ladder body 300 with the end of the first ladder body 100, and connecting and fixing the two by the rotatable buckle 303; when the ladder is used as a working platform, the second ladder body 300 and the first ladder body 100 form a 90-degree angle, and the limiting column 302a prevents the platform from shaking integrally.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a change special ladder of strain insulator pole insulator which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the first ladder body (100) comprises a hollow cross bar (101) and a plurality of first studs (102), a cylinder (101a) and a second stud (101b) are arranged inside the hollow cross bar (101), a first gear (101a-1) is respectively arranged in the middle and at two ends of the cylinder (101a), the first gear (101a-1) at the middle part of the cylinder (101a) is matched with the second stud (101b), one end of the second stud (101b) is connected with a rotary disc (101b-1), the upper end of the first stud (102) is provided with the second gear (102a), the second gear (102a) is matched with the first gear (101a-1), the lower end of the first stud (102) is connected with a first square column (102b), the upper end of the first square column (102b) is provided with threads matched with the second square column, a plurality of first pedals (103) are arranged in the middle of the first ladder body (100);
the telescopic unit (200) comprises a rotating structure (201), a buckle (202) and a second square column (203), wherein the rotating structure (201) is arranged at the lower end of the first square column (102b), the center of the rotating structure is provided with a first rotating shaft (201a), the second square column (203) is arranged on one side of the rotating structure (201) and corresponds to the position of the first pedal (103), and the buckle (202) is arranged at the lower end of the second square column (203);
the second ladder body (300) comprises a first arc-shaped hook (301) connected with the upper end of the second ladder body (300) and a connecting piece (302) arranged at the bottom end, a limiting cylinder (302a) is arranged inside the connecting piece (302), a rotatable buckle (303) is arranged at the bottom of the side face of the second ladder body (300), one end of the connecting piece (302) is hinged with the second ladder body (300), the other end of the connecting piece is hinged with the first ladder body (100), and a limiting device (302b) and a gear (302b-1) matched with the limiting device (302b) are arranged on the outer side of the connecting piece (302);
one end of the first ladder body (100) is hinged with the connecting piece (302), the other end of the first ladder body is hinged with a V-shaped column (104), two sides of the V-shaped column (104) are respectively provided with a convex block (104a), a column body (104b) is inserted in the middle of the top end of the V-shaped column (104), the center of the convex block (104a) is provided with a first screw hole (104a-1), and the top end of the column body (104b) is connected with a second arc hook (104 b-1);
the first square column (102b) and the second square column (203) are equal in size, and the first square column (102b) and the second square column (203) are in plug fit with the first pedal (103).
2. The special ladder for replacing the tension rod insulator as claimed in claim 1, wherein: a plurality of second screw holes (104b-2) are uniformly formed in the column body (104 b).
3. The special ladder for replacing the tension rod insulator as claimed in claim 1 or 2, characterized in that: the middle of connecting piece (302) is provided with recess (302c), first ladder body (100) with second ladder body (300) and connecting piece (302) cooperation, the symmetry is provided with hinge hole (302d) on connecting piece (302).
4. A special ladder for replacing a tension rod insulator as claimed in claim 3, wherein: and a second rotating shaft (105) is arranged at the joint of the lower end faces of the first ladder body (100) and the V-shaped column (104).
5. A special ladder for replacing tension rod insulators as claimed in any one of claims 1, 2 and 4, wherein: a slotted hole (106) matched with the rotatable buckle (303) is arranged below the connecting end of the first ladder body (100) and the connecting piece (302).
6. The special ladder for replacing the tension rod insulator as claimed in claim 5, wherein: and a groove (203a) matched with the buckle (202) is formed in the lower end face of the second square column (203).
7. A special ladder for replacing tension rod insulators according to any one of claims 1, 2, 4 and 6 in which: a plurality of second pedals (304) are uniformly arranged in the middle of the second ladder body (300).
8. The special ladder for replacing the tension rod insulator as claimed in claim 7, wherein: the rotary table (101b-1) is provided with a grab handle (101b-2) for controlling the rotary table to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271699.7A CN112392393B (en) | 2020-11-13 | 2020-11-13 | Special ladder for replacing tension rod insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271699.7A CN112392393B (en) | 2020-11-13 | 2020-11-13 | Special ladder for replacing tension rod insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112392393A CN112392393A (en) | 2021-02-23 |
| CN112392393B true CN112392393B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011271699.7A Active CN112392393B (en) | 2020-11-13 | 2020-11-13 | Special ladder for replacing tension rod insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US5816365A (en) * | 1997-11-19 | 1998-10-06 | Ruth; Troy L. | Ladder stabilizing device |
| CN201116445Y (en) * | 2007-09-07 | 2008-09-17 | 简世坤 | Extension ladder |
| CN102966301B (en) * | 2012-11-14 | 2014-08-06 | 国家电网公司 | Live working sliding board |
| CN203753015U (en) * | 2014-03-28 | 2014-08-06 | 江苏捷诚车载电子信息工程有限公司 | Folding peak climbing ladder |
| CN204827204U (en) * | 2015-07-25 | 2015-12-02 | 廊坊富邦德石油机械制造有限公司 | Portable guardrail of ladder for oil -well rig |
| CN205029247U (en) * | 2015-09-29 | 2016-02-10 | 贵州电网有限责任公司兴义供电局 | Folding maintenance ladder of overhead transmission line multipurpose |
| CN105421992A (en) * | 2015-11-17 | 2016-03-23 | 解家凤 | Ladder |
| CN107212692A (en) * | 2017-07-19 | 2017-09-29 | 南昌安润科技有限公司 | A kind of high LED lamp exhibition case of space availability ratio |
| DE102017009682A1 (en) * | 2017-10-18 | 2019-04-18 | Senvion Gmbh | Platform Assembly, Offshore Structure, Method of Installing a Platform Assembly |
| TWM560514U (en) * | 2017-10-24 | 2018-05-21 | 千萬里企業有限公司 | Extension ladder with adjustable hook device |
| CN207776772U (en) * | 2018-01-30 | 2018-08-28 | 袁学松 | A kind of Combined type ladder stand |
| CN209855691U (en) * | 2018-11-20 | 2019-12-27 | 贵州电网有限责任公司 | Convenient to use's folding maintenance ladder |
| CN209670892U (en) * | 2019-01-09 | 2019-11-22 | 龙岩市海德馨汽车有限公司 | A kind of movable hanging ladder with stow-away arm rest |
| CN210239559U (en) * | 2019-05-27 | 2020-04-03 | 金色建设集团有限公司 | Portable safety engineering ladder |
| CN210829048U (en) * | 2019-07-26 | 2020-06-23 | 国网山东省电力公司泰安供电公司 | Special ladder for jumper maintenance of 110kV-220kV strain tower |
| CN110696161A (en) * | 2019-11-07 | 2020-01-17 | 贵州省公路工程集团有限公司 | Safe operation platform and special safe cat ladder of T roof beam template |
| CN111236827A (en) * | 2020-02-10 | 2020-06-05 | 永康市东旭梯业有限公司 | Wear-resisting anti-falling aluminum ladder |
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2020
- 2020-11-13 CN CN202011271699.7A patent/CN112392393B/en active Active
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