CN111236828B - Lifting device for zinc oxide arrester resistive current tester - Google Patents
Lifting device for zinc oxide arrester resistive current tester Download PDFInfo
- Publication number
- CN111236828B CN111236828B CN202010065992.1A CN202010065992A CN111236828B CN 111236828 B CN111236828 B CN 111236828B CN 202010065992 A CN202010065992 A CN 202010065992A CN 111236828 B CN111236828 B CN 111236828B
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- CN
- China
- Prior art keywords
- rocker
- zinc oxide
- oxide arrester
- mounting plate
- fixed
- Prior art date
- 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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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000009194 climbing Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding 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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/12—Lifts or other hoisting devices on ladders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The application provides a lifting device for a zinc oxide arrester resistive current tester, which comprises a triangular ladder, wherein two sides of the triangular ladder are respectively provided with a double-connecting-rod mechanism, the double-connecting-rod mechanism comprises a mounting plate fixed on one side of the triangular ladder, the mounting plate is provided with a first rocker, a second rocker, a third rocker and a sliding block, and the sliding block is in sliding connection with the mounting plate; the crank is further included, one end of the crank is hinged to the middle of the third rocker, the other end of the crank is driven to rotate by a rotary driving mechanism, and the rotary driving mechanism is fixed on the mounting plate; the telescopic rod is arranged between the sliding blocks of the double-connecting-rod mechanisms positioned on the two sides of the triangular ladder, the telescopic rod is provided with the fixing box, and the fixing box is internally provided with a tray for fixing the zinc oxide arrester resistance current tester. The invention is used for lifting the zinc oxide arrester resistive current tester, and can ensure that the tester is smoothly, safely and stably lifted to a position to be measured.
Description
Technical Field
The invention relates to the technical field of lightning arrester testing, in particular to a lifting device for a zinc oxide lightning arrester resistive current tester.
Background
The arrester resistive current tester is a special instrument for comprehensively detecting various electrical characteristics of a zinc oxide arrester in the operation of a power system, has the advantages of fast operation, safety and reliability, is a special instrument for detecting the electrical performance of the zinc oxide arrester, is suitable for the live-line or power failure detection of the zinc oxide arrester with various voltage levels, thereby timely finding out the dangerous defects of equipment internal insulation moisture, valve plate aging and the like, and has the characteristics of high operation speed, safety and reliability.
At present, when a lightning arrester resistive current tester is used, an operator is required to manually carry the tester to climb onto a triangular ladder, and then the tester is operated. Firstly, the tester has a large volume, so that the triangular ladder is very inconvenient to climb, and certain potential safety hazards exist when a load is born to climb the triangular ladder; in addition, when climbing the triangular ladder, an operator can cause the test instrument to incline or completely incline, and the precision of the instrument can be influenced when the instrument is used again. Which is a disadvantage of the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the lifting device for the zinc oxide arrester resistive current tester.
In order to achieve the purpose, the invention provides a lifting device for a zinc oxide arrester resistive current tester, which comprises a triangular ladder, wherein two sides of the triangular ladder are respectively provided with a double-connecting-rod mechanism, the double-connecting-rod mechanism comprises an installation plate fixed on one side of the triangular ladder, the installation plate is provided with a first rocker, a second rocker, a third rocker and a sliding block, the installation plate is fixedly provided with a sliding rail, the sliding rail is vertically arranged, and the sliding rail is in sliding connection with the sliding block; the upper end of the first rocker is hinged with the sliding block, the lower end of the first rocker is hinged with a third rocker, the other end of the third rocker is hinged with one end of a second rocker, and the other end of the second rocker is hinged with the mounting plate; the crank is further included, one end of the crank is hinged to the middle of the third rocker, the other end of the crank is driven to rotate by a rotary driving mechanism, and the rotary driving mechanism is fixed on the mounting plate;
the telescopic rod is arranged between the sliding blocks of the double-connecting-rod mechanisms positioned on the two sides of the triangular ladder, the telescopic rod is provided with the fixing box, and the fixing box is internally provided with a tray for fixing the zinc oxide arrester resistance current tester.
Further, the rotary drive mechanism is an electric motor.
Furthermore, the upper end of the triangular ladder is provided with a limit switch matched with the fixed box body, the limit switch is electrically connected with the controller, and the controller is electrically connected with the motor.
Furthermore, the triangle ladder includes left socle and right branch frame, the bottom of left socle and right branch frame is fixed with the slipmat respectively.
Furthermore, a box door is arranged on the outer side of the fixed box, and the box door is hinged to the box body of the fixed box through a hinge.
Furthermore, the mounting plate is welded and fixed with the triangular ladder
The invention has the beneficial effects that: the device comprises a triangular ladder, wherein two sides of the triangular ladder are respectively provided with a double-connecting-rod mechanism, a telescopic rod is arranged between sliding blocks of the double-connecting-rod mechanisms positioned on the two sides of the triangular ladder, a fixing box is arranged on the telescopic rod, and a tray for fixing a zinc oxide arrester resistance current tester is arranged in the fixing box. The lifting device provided by the invention adopts the double-connecting-rod mechanism to lift the zinc oxide arrester resistive current tester, so that workers can climb the triangular ladder easily, potential safety hazards caused by weight climbing are avoided, the tester can be lifted safely and stably and smoothly by the lifting device provided by the invention, the tester cannot be inclined or toppled in the lifting process, and the detection precision is improved correspondingly.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram in one embodiment of the present invention.
FIG. 2 is a schematic structural view showing the connection relationship between the third rocking lever and the crank of the present invention.
Fig. 3 is a block diagram of the electrical control of the present invention.
In the figure, 1 is a left support, 2 is a slide rail, 3 is a mounting plate, 4 is a first rocker, 5 is a right support, 6 is a hinge, 7 is a fixed box, 8 is a box door, 9 is a tray, 10 is a second rocker, 11 is a telescopic rod, 12 is a third rocker, 13 is a crank, 14 is a slider, and 15 is a limit switch.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A lifting device for a zinc oxide arrester resistive current tester comprises a triangular ladder, wherein two sides of the triangular ladder are respectively provided with a double-connecting-rod mechanism, the double-connecting-rod mechanism comprises a mounting plate 3 fixed on one side of the triangular ladder in a welding manner, a first rocker 4, a second rocker 10, a third rocker 12 and a sliding block 14 are arranged on the mounting plate 3, and the sliding block 14 is connected with the mounting plate 3 in a sliding manner; the upper end of the first rocker 4 is hinged with the sliding block 14, the lower end of the first rocker 4 is hinged with one end of a third rocker 12, the other end of the third rocker 12 is hinged with the lower end of a second rocker 10, and the upper end of the second rocker 10 is hinged with the mounting plate 3; be fixed with slide rail 2 on the mounting panel 3, the vertical setting of slide rail 2, slide rail 2 with 14 sliding connection of slider. The multifunctional rocking chair is characterized by further comprising a crank 13, wherein one end of the crank 13 is hinged to the middle of the third rocking bar 12, the other end of the crank 13 is driven to rotate by a rotary driving mechanism, and the rotary driving mechanism is fixed on the mounting plate 3. The crank 13, the first rocker 4, the second rocker 10 and the third rocker 12 form a double-link mechanism, when the crank 13 rotates, the first rocker 4, the second rocker 10 and the third rocker 12 can be driven to swing, and the first rocker 4 drives the sliding block 14 to lift.
A telescopic rod 11 is arranged between the sliding blocks 14 of the double-connecting-rod mechanisms positioned on the two sides of the triangular ladder, a fixed box 7 is arranged on the telescopic rod 11, and a tray 9 used for fixing the zinc oxide arrester resistance current tester is arranged in the fixed box 7. When the sliding blocks 14 of the double-link mechanism positioned at the two sides of the triangular ladder ascend and descend, the fixed box 7 is driven to ascend and descend, and therefore the tester on the tray 9 is lifted to a required position.
In order to realize the automation of the invention, the upper end of the triangular ladder is provided with a limit switch 15 matched with the box body of the fixed box 7, the limit switch 15 is electrically connected with a controller, and the controller is electrically connected with the motor. When the fixed box 7 touches the limit switch 15 at the upper end of the triangular ladder, the limit switch 15 transmits a signal to the controller, and the controller controls the motor to stop rotating. The operator takes down the detector and detects, after the detection is finished, the detector is put back on the tray 9, the operator presses the remote controller with hands to control the motor to rotate reversely, and the fixed box 7 falls down.
In order to guarantee security and stability of operating personnel when climbing the triangle ladder, the triangle ladder includes left socle 1 and right branch frame 5, the bottom of left socle 1 and right branch frame 5 is fixed with the slipmat respectively.
The outer side of the fixed box 7 is provided with a box door 8, the box door 8 is hinged to the box body of the fixed box 7 through a hinge 6, and the phenomenon that a tester in the box body drops in the rising process is avoided.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a zinc oxide arrester resistive current is lifting device for tester which characterized in that: the double-connecting-rod mechanism comprises a triangular ladder, wherein two sides of the triangular ladder are respectively provided with a double-connecting-rod mechanism, the double-connecting-rod mechanism comprises a mounting plate (3) fixed on one side of the triangular ladder, a first rocker (4), a second rocker (10), a third rocker (12) and a sliding block (14) are arranged on the mounting plate (3), a sliding rail (2) is fixed on the mounting plate (3), the sliding rail (2) is vertically arranged, and the sliding rail (2) is in sliding connection with the sliding block (14); the upper end of the first rocker (4) is hinged with the sliding block (14), the lower end of the first rocker (4) is hinged with a third rocker (12), the other end of the third rocker (12) is hinged with one end of a second rocker (10), and the other end of the second rocker (10) is hinged with the mounting plate (3); the device is characterized by further comprising a crank (13), wherein one end of the crank (13) is hinged with the middle part of the third rocker (12), the other end of the crank (13) is driven to rotate by a rotary driving mechanism, and the rotary driving mechanism is fixed on the mounting plate (3);
be provided with telescopic link (11) between slider (14) of the two link mechanism that are located the triangle ladder both sides, be provided with fixed case (7) on telescopic link (11), set up tray (9) that are used for fixed zinc oxide arrester resistive current tester in fixed case (7).
2. The lifting device for the zinc oxide arrester resistive current tester according to claim 1, characterized in that: the rotary driving mechanism is a motor.
3. The lifting device for the zinc oxide arrester resistive current tester according to claim 2, characterized in that: the upper end of the triangular ladder is provided with a limit switch (15) matched with the box body of the fixed box (7) for use, the limit switch (15) is electrically connected with a controller, and the controller is electrically connected with the motor.
4. The lifting device for the zinc oxide arrester resistive current tester according to any one of claims 1-3, characterized in that: the triangular ladder comprises a left support (1) and a right support (5), and anti-slip pads are fixed at the bottoms of the left support (1) and the right support (5) respectively.
5. The lifting device for the zinc oxide arrester resistive current tester according to claim 4, characterized in that: the outer side of the fixed box (7) is provided with a box door (8), and the box door (8) is hinged to the box body of the fixed box (7) through a hinge (6).
6. The lifting device for the zinc oxide arrester resistive current tester according to claim 5, characterized in that: the mounting plate (3) is fixedly welded with the triangular ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065992.1A CN111236828B (en) | 2020-01-20 | 2020-01-20 | Lifting device for zinc oxide arrester resistive current tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065992.1A CN111236828B (en) | 2020-01-20 | 2020-01-20 | Lifting device for zinc oxide arrester resistive current tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111236828A CN111236828A (en) | 2020-06-05 |
| CN111236828B true CN111236828B (en) | 2021-08-10 |
Family
ID=70865989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010065992.1A Active CN111236828B (en) | 2020-01-20 | 2020-01-20 | Lifting device for zinc oxide arrester resistive current tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111236828B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2780440B1 (en) * | 1998-06-24 | 2000-09-01 | Artub | FOOTBOARD PLATFORM |
| CN203224580U (en) * | 2013-04-05 | 2013-10-02 | 国家电网公司 | An apparatus for zinc oxide lightning arrester energized testing |
| CN203910157U (en) * | 2014-05-28 | 2014-10-29 | 桂林电子科技大学 | Four-bar mechanism evolution teaching aid |
| CN204588599U (en) * | 2015-04-28 | 2015-08-26 | 国网辽宁省电力有限公司丹东供电公司 | A kind of portable electric test connection insulated lifting device |
| CN208791094U (en) * | 2018-07-23 | 2019-04-26 | 广东飞库科技有限公司 | A kind of link-type AGV lifting device |
| CN209838261U (en) * | 2019-04-06 | 2019-12-24 | 陕西理工大学 | Novel power maintenance ladder |
-
2020
- 2020-01-20 CN CN202010065992.1A patent/CN111236828B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2780440B1 (en) * | 1998-06-24 | 2000-09-01 | Artub | FOOTBOARD PLATFORM |
| CN203224580U (en) * | 2013-04-05 | 2013-10-02 | 国家电网公司 | An apparatus for zinc oxide lightning arrester energized testing |
| CN203910157U (en) * | 2014-05-28 | 2014-10-29 | 桂林电子科技大学 | Four-bar mechanism evolution teaching aid |
| CN204588599U (en) * | 2015-04-28 | 2015-08-26 | 国网辽宁省电力有限公司丹东供电公司 | A kind of portable electric test connection insulated lifting device |
| CN208791094U (en) * | 2018-07-23 | 2019-04-26 | 广东飞库科技有限公司 | A kind of link-type AGV lifting device |
| CN209838261U (en) * | 2019-04-06 | 2019-12-24 | 陕西理工大学 | Novel power maintenance ladder |
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| Publication number | Publication date |
|---|---|
| CN111236828A (en) | 2020-06-05 |
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