CN113863841A - Adjustable insulation flat ladder - Google Patents
Adjustable insulation flat ladder Download PDFInfo
- Publication number
- CN113863841A CN113863841A CN202111295135.1A CN202111295135A CN113863841A CN 113863841 A CN113863841 A CN 113863841A CN 202111295135 A CN202111295135 A CN 202111295135A CN 113863841 A CN113863841 A CN 113863841A
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- Prior art keywords
- ladder
- support
- round hole
- rod
- main
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009413 insulation Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E06C7/04—Hand-operated extending means carried by the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The utility model belongs to the technical field of insulating flat ladder, concretely relates to insulating flat ladder with adjustable, including main ladder and vice ladder, realize the length adjustment of insulating flat ladder through screw thread transmission between main ladder and the vice ladder, main ladder top is installed bearing block and bearing plate through the round hole that is located the shore intermediate position, through adjusting the relative position between bearing block and the bearing plate, including being located the bearing block top and shore the gear around the middle round hole, realize the angular adjustment of insulating flat ladder top couple and fix, the insulating flat ladder simple structure of this application, the adjustment is convenient, need not additionally use appurtenance, realize the adjustment of installation angle and the adjustment of length.
Description
Technical Field
The application belongs to the technical field of insulating flat ladders, and particularly relates to an adjustable insulating flat ladder.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, when an operator enters an equipotential electric field during live transmission and equipotential operation, methods such as a vertical insulating vertical ladder, an insulating horizontal ladder and an insulating rope ladder are mainly used. Among them, the insulated flat ladder is the most commonly used equipotential operation method.
However, the type and specification of the insulating flat ladder on the market are relatively fixed, and are influenced by the specification and size of the insulating flat ladder, and the flat ladder is difficult to place and affects the operation efficiency due to different angles of a line and an iron tower during operation, the weak connection is unreliable, and safety accidents are easily caused; therefore, the insulating horizontal ladder with adjustable length, adjustable installation angle and convenient use is necessary.
Disclosure of Invention
The technical problem that this application will solve is: the defects of the prior art are overcome, and the insulating flat ladder with adjustable length and adjustable placing angle is provided.
The technical scheme that this application solved the problem that prior art exists adopted is:
the application provides an adjustable insulating horizontal ladder, which comprises a main ladder and an auxiliary ladder, wherein the main ladder comprises two parallel main ladder supports and cross braces positioned between the two main ladder supports and fixed in parallel at intervals, the auxiliary ladder comprises two parallel auxiliary ladder supports and cross braces positioned between the two auxiliary ladder supports and fixed in parallel at intervals, the middle of the joint part of the main ladder support and the auxiliary ladder supports is provided with a raised line which is integrally formed, the middle of the joint part of the auxiliary ladder support and the main ladder supports is provided with a groove structure, the raised line is in clearance fit with the groove, and a transmission mechanism is connected between the auxiliary ladder and the main ladder;
the top of two main ladder supports of the main ladder is integrally formed with a top support, a round hole is formed in the middle of the top support, an annular toothed ring is arranged on the periphery of the bottom of the round hole, a fixed rod is arranged in the round hole, a bearing block is fixedly mounted at the bottom of the fixed rod, gears meshed with the annular toothed ring on the periphery of the bottom of the round hole are arranged on the upper surface of the bearing block, the fixed rod penetrates through the round hole in the middle of the top support and is fixedly mounted with a bearing plate, and two hooks are fixedly mounted at the top of the bearing plate.
Preferably, the transmission mechanism comprises a first fixing block and a second fixing block which are respectively fixed on the two main ladder supports, round holes are formed in the middles of the first fixing block and the second fixing block, the first fixing block is in threaded connection with a screw rod which is hinged to the top of the corresponding main ladder support through internal threads of the middle round holes, and the second fixing block is in clearance fit with a support rod which is fixedly installed on the top of the other main ladder support through the middle round holes; the top of the supporting rod is fixedly connected with one end of the cross rod, the other end of the cross rod is in threaded connection with the screw rod through a round hole in the cross rod, and a rotating wheel is fixedly installed at the top of the screw rod.
Preferably, the fit clearance between the support rod and the second fixing block is less than or equal to 1 mm.
Preferably, the fit clearance between the support rod and the second fixing block is more than or equal to 0.5 mm.
Preferably, the length of the fixing rod is larger than the width of the top support and the height of the bearing block gear.
Preferably, the fixing rod is movable in a circular hole of the top support.
Preferably, a shield is arranged outside each of the screw and the support rod.
Preferably, the shield is fixedly mounted on the main ladder support.
Preferably, the length of the screw is < the length of the groove or the rib.
Preferably, the cross bar is parallel to the wale.
Compared with the prior art, the beneficial effect of this application is:
1. the insulating flat ladder of this application length adjustable just can finely tune as required.
2. This application shore the design of intermediate position round hole department bearing block for the insulating flat ladder couple angularly adjustable when using, thereby make the flat ladder lay angularly adjustable.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Figure 1 is a schematic view of the front structure of the insulated flat ladder of the present application,
figure 2 is a schematic view of the back structure of the insulated flat ladder of the present application,
fig. 3 is a schematic view of a connection structure of the top stay and the bearing plate in fig. 1.
In the figure:
1. the main ladder support, 2, vice ladder support, 3, fixed block one, 4, fixed block two, 5, screw rod, 6, branch, 7, horizontal pole, 8, rotation wheel, 9, bearing plate, 10, couple, 11, bearing block, 12, stull, 13, recess, 14, sand grip, 15, dead lever, 16, shore.
The specific implementation mode is as follows:
the present application will be further described with reference to the following drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
Fig. 1 to 2 show an adjustable insulating horizontal ladder in this embodiment, which includes a main ladder and an auxiliary ladder, where the main ladder includes two parallel main ladder supports 1 and two cross braces 12 spaced and fixed between the two main ladder supports 1, the auxiliary ladder includes two parallel auxiliary ladder supports 2 and two cross braces 12 spaced and fixed between the two auxiliary ladder supports 1, an integrally formed protruding strip 14 is arranged in the middle of the joint portion between the main ladder supports 1 and the auxiliary ladder supports 2, a groove 13 structure is arranged in the middle of the joint portion between the auxiliary ladder supports 2 and the main ladder supports 1, the protruding strip 14 is in clearance fit with the groove 13, and a transmission mechanism is connected between the auxiliary ladder and the main ladder; drive mechanism is including fixing fixed block one 3, fixed block two 4 on two main ladder supports 1 respectively, be the round hole in the middle of fixed block one 3, the fixed block two 4, fixed block one 3 installs in the 5 threaded connection of screw rod at 1 top of main ladder support of correspondence through the internal thread of middle round hole and articulated, screw rod 5 and branch 6 outside respectively have a guard shield, guard shield fixed mounting is on main ladder support 1. The second fixing block 4 is in clearance fit with a support rod 6 fixedly arranged at the top of the other main ladder support 1 through a middle round hole, the length of the screw rod 5 is less than that of the groove 13 or the convex strip 14, and the fit clearance between the support rod 6 and the second fixing block 4 is 0.5mm-1 mm; the top of the supporting rod 6 is fixedly connected with one end of a cross rod 7, the other end of the cross rod 7 is in threaded connection with a screw rod 5 through a round hole in the cross rod 7, and a rotating wheel 8 is fixedly installed at the top of the screw rod.
Fig. 3 shows the connection structure sketch of shoring 16 and bearing plate 9 in fig. 1, as shown in the drawing, 1 top integrated into one piece of two main terraced supports of main terraced has shoring 16, be a round hole in the middle of shoring 16, the periphery of round hole bottom is an annular ring gear, there is a dead lever 15 in the round hole, the length of dead lever 15 > shoring 16's width + bearing block 11 gear height, 15 bottom fixed mounting of dead lever have bearing block 11, 11 upper surfaces of bearing block be located dead lever 15 all around be with the peripheral annular ring gear meshing's in round hole bottom gear, dead lever 15 pass behind the round hole in the middle of shoring 16 with bearing plate 9 fixed mounting, bearing plate 9 top fixed mounting has two couples 10.
In the embodiment, when the adjustable insulating flat ladder is used, the hook 10 of the adjustable insulating flat ladder is hung on a wire, under the action of the self weight of the insulating flat ladder and the pulling force of the wire, as shown in fig. 1 and 3, the hook 10 is fixedly connected with the bearing plate 9, after the hook 10 is hung on the wire, under the matching action of gravity, the bearing block 11 can support the top support 16, the gears around the fixed rod 15 on the upper surface of the bearing block 11 are meshed and connected with the toothed ring around the bottom of the central circular hole of the bearing plate 9, and therefore the fixed rod 15 cannot rotate;
at the moment, if the angle of the insulating flat ladder needs to be adjusted, a field worker can lift the insulating flat ladder upwards in the upward direction of the insulating flat ladder, at the moment, the fixing rod 15 can move downwards relative to the top support 16 in the round hole in the middle of the top support 16, so that gears around the fixing rod 15 on the upper surface of the bearing block 11 are separated from toothed rings around the bottom of the central round hole of the bearing plate 9, the field worker can adjust the angle of the insulating flat ladder as required after the separation, and the hook 10 hung on a wire does not need to be operated. After the angle of the insulating flat ladder is adjusted, a field worker puts down the insulating flat ladder, at the moment, as mentioned above, the fixing rod 15 moves upwards relative to the top support 16 in the round hole in the middle of the top support 16 until the gears around the fixing rod 15 on the upper surface of the bearing block 11 are meshed and connected with the gear rings around the bottom of the central round hole of the bearing plate 9, and at the moment, the insulating flat ladder realizes the adjustment of the installation angle and cannot rotate.
When the length of the insulating flat ladder is too short, the rotating wheel 8 is rotated clockwise by hand, the rotating wheel 8 is hinged with the screw rod 5, and the screw rod 5, the cross rod 7 and the first fixing block 3 are in threaded connection, so when the rotating wheel 8 is screwed clockwise, the screw rod 5 can move downwards under the action of threaded transmission, in addition, the supporting rod 6 is fixedly connected with the cross rod 7 and is in clearance fit connection with the second fixing block 4, when the screw rod 5 moves downwards, the supporting rod 6 can also move downwards together, the auxiliary ladder moves downwards under the combined action of the supporting rod 6 and the screw rod 5, and the height of the insulating flat ladder is increased through adjustment; when the height of the insulating flat ladder needs to be reduced, the rotating wheel 8 rotates anticlockwise, and the effect of reducing the height of the insulating flat ladder can be achieved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (10)
1. The utility model provides an insulating flat ladder with adjustable, includes main ladder and vice ladder, the main ladder comprises two parallel main ladder supports (1) and is located stull (12) that the interval parallel was fixed between two main ladder supports (1), the vice ladder comprises two parallel vice ladder supports (2) and is located stull (12) that the interval parallel was fixed between two vice ladder supports (1), its characterized in that:
the middle of the joint part of the main ladder support (1) and the auxiliary ladder support (2) is provided with a convex strip (14) which is integrally formed, the middle of the joint part of the auxiliary ladder support (2) and the main ladder support (1) is provided with a groove (13) structure, the convex strip (14) is in clearance fit with the groove (13), and a transmission mechanism is connected between the auxiliary ladder and the main ladder;
two main terraced supports of main terraced (1) top integrated into one piece have a shore (16), be a round hole in the middle of shore (16), round hole bottom periphery is an annular ring gear, there is a dead lever (15) in the round hole, dead lever (15) bottom fixed mounting has bearing block (11), bearing block (11) upper surface be located dead lever (15) all around be with round hole bottom peripheral annular ring gear meshing's gear, dead lever (15) pass shore (16) in the middle of the round hole after with bearing plate (9) fixed mounting, bearing plate (9) top fixed mounting has two couples (10).
2. The adjustable insulating flat ladder of claim 1, wherein:
the transmission mechanism comprises a first fixing block (3) and a second fixing block (4) which are respectively fixed on the two main ladder supports (1), a round hole is formed between the first fixing block (3) and the second fixing block (4), the first fixing block (3) is in threaded connection with a screw rod (5) which is hinged and installed at the top of the corresponding main ladder support (1) through an internal thread of the middle round hole, and the second fixing block (4) is in clearance fit with a support rod (6) which is fixedly installed at the top of the other main ladder support (1) through the middle round hole; the top of the supporting rod (6) is fixedly connected with one end of the cross rod (7), the other end of the cross rod (7) is in threaded connection with the screw rod (5) through a round hole in the cross rod (7), and a rotating wheel (8) is fixedly installed at the top of the screw rod.
3. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
and the fit clearance between the supporting rod (6) and the second fixing block (4) is less than or equal to 1 mm.
4. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
the fit clearance between the support rod (6) and the second fixing block (4) is more than or equal to 0.5 mm.
5. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
the length of the fixed rod (15) is greater than the width of the top support (16) and the height of the gear of the bearing block (11).
6. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
the fixing rod (15) can move in a round hole of the top support (16).
7. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
and a protective cover is arranged outside each of the screw rod (5) and the support rod (6).
8. The adjustable insulating horizontal ladder of claim 7, wherein:
the protective cover is fixedly arranged on the main ladder support (1).
9. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
the length of the screw rod (5) is less than that of the groove (13) or the convex strip (14).
10. The adjustable insulating flat ladder as claimed in claim 1 or 2, wherein:
the cross bar (7) is parallel to the cross support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295135.1A CN113863841A (en) | 2021-11-03 | 2021-11-03 | Adjustable insulation flat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295135.1A CN113863841A (en) | 2021-11-03 | 2021-11-03 | Adjustable insulation flat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113863841A true CN113863841A (en) | 2021-12-31 |
Family
ID=78986938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111295135.1A Pending CN113863841A (en) | 2021-11-03 | 2021-11-03 | Adjustable insulation flat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113863841A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207063896U (en) * | 2017-07-19 | 2018-03-02 | 温州奇思科技有限公司 | A kind of folding extension ladder |
| CN109939324A (en) * | 2019-01-14 | 2019-06-28 | 永康国科康复工程技术有限公司 | The limbs mirror image therapeutic device of restoring gloves is felt based on multimode |
| CN210918858U (en) * | 2019-04-10 | 2020-07-03 | 福建工程学院 | Multifunctional ladder for laboratory |
| CN211049762U (en) * | 2019-11-13 | 2020-07-21 | 重庆医科大学附属永川医院 | Position support is raised to multi-functional orthopedics upper limbs that can 360 rotations |
| CN112701617A (en) * | 2021-01-04 | 2021-04-23 | 国网湖南省电力有限公司 | Tool for entering 500kV compact electric transmission line electric field and electric field entering method |
-
2021
- 2021-11-03 CN CN202111295135.1A patent/CN113863841A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207063896U (en) * | 2017-07-19 | 2018-03-02 | 温州奇思科技有限公司 | A kind of folding extension ladder |
| CN109939324A (en) * | 2019-01-14 | 2019-06-28 | 永康国科康复工程技术有限公司 | The limbs mirror image therapeutic device of restoring gloves is felt based on multimode |
| CN210918858U (en) * | 2019-04-10 | 2020-07-03 | 福建工程学院 | Multifunctional ladder for laboratory |
| CN211049762U (en) * | 2019-11-13 | 2020-07-21 | 重庆医科大学附属永川医院 | Position support is raised to multi-functional orthopedics upper limbs that can 360 rotations |
| CN112701617A (en) * | 2021-01-04 | 2021-04-23 | 国网湖南省电力有限公司 | Tool for entering 500kV compact electric transmission line electric field and electric field entering method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211231 |
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| RJ01 | Rejection of invention patent application after publication |