CN114044474A - Safety protection type power maintenance device - Google Patents
Safety protection type power maintenance device Download PDFInfo
- Publication number
- CN114044474A CN114044474A CN202111441465.7A CN202111441465A CN114044474A CN 114044474 A CN114044474 A CN 114044474A CN 202111441465 A CN202111441465 A CN 202111441465A CN 114044474 A CN114044474 A CN 114044474A
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- CN
- China
- Prior art keywords
- maintenance platform
- mounting plate
- limiting plate
- scissor
- maintenance
- 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.)
- Pending
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 84
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 19
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000003028 elevating effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a safety protection type electric power maintenance device which comprises a mounting plate, a limiting plate and a maintenance platform, wherein a fence is arranged around the maintenance platform, walking wheels are arranged at the bottom of the mounting plate, hydraulic support legs are arranged at four corners of the bottom of the mounting plate, and a lifting device is arranged between the mounting plate and the maintenance platform; the lifting device comprises two oppositely arranged scissor arms, the tops of the scissor arms are connected to the bottom of the maintenance platform in a sliding mode, and the bottoms of the scissor arms are connected to the top of the mounting plate in a sliding mode; the top and the bottom of the scissor fork arm are both hinged with a bidirectional hydraulic cylinder, and the gravity center of the maintenance platform is positioned on the central line of the scissor fork arm; the limiting plates are arranged on two sides of the maintenance platform, a limiting hydraulic cylinder is fixedly connected between the bottom of each limiting plate and the mounting plate, through holes are formed in the limiting plates, and supporting plates are inserted into the through holes; the invention is used for solving the problems that the stability of the maintenance platform is insufficient in the prior art, and the safety can not be guaranteed in the use process.
Description
Technical Field
The invention relates to the technical field of power maintenance equipment, in particular to a safety protection type power maintenance device.
Background
Electric power facility is in the use, need the periodic maintenance, when breaking down, still need in time to maintain, present staff is when maintaining the power equipment of eminence, need use the maintenance platform, the elevating system of maintenance platform adopts often to cut fork elevating system, and cut fork elevating system at the in-process that goes up and down, its focus can move on the horizontal direction, that is to say, cut fork elevating system's focus and top platform's focus and do not coincide, it has the deviation to cut fork elevating system's support to top platform, and it is stable also not have other structure auxiliary top platform, whole equipment security is not enough in the use.
Disclosure of Invention
The invention aims to provide a safety protection type power maintenance device, which is used for solving the problems that the stability of a maintenance platform is insufficient and the safety cannot be guaranteed in the use process in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a safety protection type electric power maintenance device comprises a mounting plate, a limiting plate and a maintenance platform, wherein a fence is arranged around the maintenance platform, walking wheels are arranged at the bottom of the mounting plate, hydraulic support legs are arranged at four corners of the bottom of the mounting plate, and a lifting device is arranged between the mounting plate and the maintenance platform; the lifting device comprises two opposite scissor arms, a connecting rod is arranged between the opposite hinged parts of the two scissor arms, sliding shafts are arranged at two ends of the top of each scissor arm, a sliding groove matched with the sliding shaft is arranged at the bottom of the maintenance platform, the sliding shafts are also arranged at two ends of the bottom of each scissor arm, the sliding groove matched with the sliding shaft is arranged at the top of the mounting plate, and each sliding shaft is connected in the corresponding sliding groove in a sliding manner; a bidirectional hydraulic cylinder is hinged between the two connecting rods at the top, the cylinder body of the bidirectional hydraulic cylinder is fixedly connected to the bottom of the maintenance platform, a bidirectional hydraulic cylinder is hinged between the two connecting rods at the bottom, the cylinder body of the bidirectional hydraulic cylinder is fixedly connected to the top of the mounting plate, and the center of gravity of the maintenance platform is positioned on the central line of the scissor fork arm; the limiting plate sets up in the both sides of maintenance platform, and the spacing pneumatic cylinder of fixedly connected with has seted up the through-hole on the limiting plate between the bottom of limiting plate and the mounting panel, and the through-hole interpolation has the layer board.
Optionally, two bidirectional hydraulic cylinders are symmetrically arranged between the two topmost connecting rods, and two bidirectional hydraulic cylinders are symmetrically arranged between the two bottommost connecting rods.
Optionally, two parallel central plates are installed between the maintenance platform and the mounting plate, the two central plates sandwich the connecting rod at the center of the scissor arm, the central plates are of multi-segment structures, and the segments are connected in a sliding manner.
Optionally, the top of mounting panel is provided with the spacing groove with limiting plate assorted, and the lower part of spacing pneumatic cylinder and limiting plate all sets up at the spacing inslot.
Optionally, the through holes are distributed at different levels.
Optionally, the lower part of the enclosure is a closed metal plate and the upper part of the enclosure is a spaced apart metal rod.
The safety protection type power maintenance device has the following advantages:
(1) the bidirectional hydraulic cylinder can simultaneously pull the connecting rod to the middle to enable the scissor fork arm to ascend, and can also simultaneously push the connecting rod to two sides to enable the scissor fork arm to descend, the center position of the scissor fork arm is fixed when the bidirectional hydraulic cylinder moves, and the center of gravity of the scissor fork arm coincides with the center of gravity of the maintenance platform all the time, so that the maintenance platform is ensured not to have an eccentric condition, and the scissor fork arm is safer to use.
(2) After the maintenance platform rises to the appointed height, spacing pneumatic cylinder upwards promotes the limiting plate, makes the layer board top on the limiting plate in the bottom of maintenance platform, and the layer board can assist and cut the fork arm and play the supporting role to the maintenance platform, makes the maintenance platform more stable.
(3) The central plate can limit the position of the central connecting rod of the scissor arm, further ensures that the central position of the scissor arm is always coincided with the gravity center of the maintenance platform, and the multi-section sliding structure is used for not influencing the normal lifting function of the maintenance platform.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the elevating mechanism.
Fig. 3 is a schematic structural diagram of the limiting plate.
Fig. 4 is a schematic view of the construction of the center plate.
Detailed Description
The invention will be further explained with reference to the drawings, in which the directions in fig. 1 are taken as references.
As shown in fig. 1, a safety protection type power maintenance device, including mounting panel 1, limiting plate 3 and maintenance platform 2, maintenance platform 2 is provided with the rail all around, and walking wheel 4 and driving motor are installed to mounting panel 1's bottom, and the walking wheel 4 on right side is the universal wheel, and driving motor drives left walking wheel 4 and removes, and through the universal wheel adjustment direction on right side, it is convenient, the flexibility is good that maintenance device removes. The four corners department of mounting panel 1 bottom is provided with hydraulic leg 5, and after the maintenance device removed the assigned position, put down hydraulic leg 5 and fix and support the maintenance device, avoid the position to take place to remove in the use, cause danger.
As shown in fig. 2, a lifting device is arranged between the mounting plate 1 and the maintenance platform 2, the lifting device comprises two opposite scissor arms 6, a connecting rod 7 is arranged between the two opposite hinged parts of the two scissor arms 6, sliding shafts 8 are arranged at two ends of the top of the scissor arms 6, a sliding groove 9 matched with the sliding shaft 8 is arranged at the bottom of the maintenance platform 2, the sliding shafts 8 are also arranged at two ends of the bottom of the scissor arms 6, the sliding groove 9 matched with the sliding shaft 8 is arranged at the top of the mounting plate 1, and each sliding shaft 8 is slidably connected in the corresponding sliding groove 9. Two-way hydraulic cylinder 10 is hinged between the two topmost connecting rods 7, the cylinder body of the two-way hydraulic cylinder 10 is fixedly connected to the bottom of the maintenance platform 2, the two bottommost connecting rods 7 are hinged to the two-way hydraulic cylinder 10, the cylinder body of the two-way hydraulic cylinder 10 is fixedly connected to the top of the mounting plate 1, and the center of gravity of the maintenance platform 2 is located on the center line of the scissor fork arm 6. Bidirectional hydraulic cylinder 10 can stimulate connecting rod 7 to make scissor arm 6 rise to the centre simultaneously, also can promote connecting rod 7 to the left and right sides simultaneously and make scissor arm 6 descend, and at the in-process that scissor arm 6 goes up and down, the central point of scissor arm 6 puts motionlessly, coincides with the focus of maintenance platform 2 all the time, ensures that scissor arm 6 can provide stable support to maintenance platform 2, the condition of focus skew can not appear, make the maintenance device safer when using.
As shown in fig. 3, the limiting plate 3 is arranged on two sides of the maintenance platform 2, a limiting hydraulic cylinder 11 is fixedly connected between the bottom of the limiting plate 3 and the mounting plate 1, a through hole 12 is formed in the limiting plate 3, and a supporting plate 13 is inserted into the through hole 12. After the maintenance platform 2 rises to a specified height, the supporting plate 13 is inserted into the through hole 12, then the limiting plate 3 is pushed upwards by the limiting hydraulic cylinder 11, the supporting plate 13 on the limiting plate 3 is propped against the bottom of the maintenance platform 2, the supporting plate 13 can assist the scissor arm 6 to support the maintenance platform 2, and the top of the limiting plate 3 can also avoid the maintenance platform 2 from shaking in the left-right direction, so that the maintenance platform 2 is more stable; when the maintenance platform 2 needs to descend, the limiting plate 3 is pulled downwards by the limiting hydraulic cylinder 11 to enable the supporting plate 13 to be separated from the maintenance platform 2, then the supporting plate 13 is pulled out from the through hole 12, and finally the maintenance platform 2 descends. Maintenance platform 2 all can set up limiting plate 3 all around, and when maintenance platform 2 was located the high space, limiting plate 3 can carry out the omnidirectional protection to maintenance platform 2 like this.
Further, as shown in fig. 4, two bidirectional hydraulic cylinders 10 are symmetrically arranged between the two topmost connecting rods 7, two bidirectional hydraulic cylinders 10 are symmetrically arranged between the two bottommost connecting rods 7, and the two bidirectional hydraulic cylinders 10 arranged at the top and the bottom can provide more sufficient power without interfering with the arrangement of the central plate 14. Two central plates 14 which are arranged in parallel are arranged between the maintenance platform 2 and the mounting plate 1, the two central plates 14 clamp the connecting rod 7 at the center of the scissor arm 6, the central plates 14 are of multi-section structures, and the sections are connected in a sliding mode. The central plate 14 can limit the position of the central connecting rod 7 of the scissor arm 6, further ensure that the central position of the scissor arm 6 is always coincided with the gravity center of the maintenance platform 2, improve the stability of the maintenance platform 2, and the multi-section sliding structure can ensure that the central plate 14 can automatically adjust the length according to the height of the maintenance platform 2, so that the lifting function of the maintenance platform 2 cannot be influenced under the condition of ensuring the self function of the central plate 14.
Further, the top of mounting panel 1 be provided with limiting plate 3 assorted spacing groove 17, the lower part of spacing pneumatic cylinder 11 and limiting plate 3 all sets up at spacing groove 17, and limiting plate 3 can be cliied to spacing groove 17, appears rocking by a wide margin when maintenance platform 2 and hits on limiting plate 3, and limiting groove 17 can guarantee that limiting plate 3 can not take place to tumble, further improves maintenance device's security.
Further, the through holes 12 are distributed on different horizontal heights, and because the lifting height of the maintenance platform 2 is uncertain during maintenance work at every time, the positions of the supporting plates 13 can be flexibly adjusted by arranging the through holes 12 on different horizontal heights, so that the supporting plates are suitable for different working conditions.
Further, the lower part of rail is confined metal sheet 15, and the upper portion of rail is metal pole 16 that the interval set up, and metal sheet 15 can avoid the risk that maintenance tool, part etc. dropped from the high altitude, and metal pole 16 can make things convenient for the staff to hold, and the staff can also hang the couple on the safety device on metal pole 16.
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a safety protection type power maintenance device which characterized in that: the hydraulic support device comprises a mounting plate, a limiting plate and a maintenance platform, wherein a fence is arranged around the maintenance platform, walking wheels are arranged at the bottom of the mounting plate, hydraulic support legs are arranged at four corners of the bottom of the mounting plate, and a lifting device is arranged between the mounting plate and the maintenance platform; the lifting device comprises two opposite scissor arms, a connecting rod is arranged between the opposite hinged parts of the two scissor arms, sliding shafts are arranged at two ends of the top of each scissor arm, a sliding groove matched with the sliding shaft is arranged at the bottom of the maintenance platform, the sliding shafts are also arranged at two ends of the bottom of each scissor arm, the sliding groove matched with the sliding shaft is arranged at the top of the mounting plate, and each sliding shaft is connected in the corresponding sliding groove in a sliding manner; a bidirectional hydraulic cylinder is hinged between the two connecting rods at the top, the cylinder body of the bidirectional hydraulic cylinder is fixedly connected to the bottom of the maintenance platform, a bidirectional hydraulic cylinder is hinged between the two connecting rods at the bottom, the cylinder body of the bidirectional hydraulic cylinder is fixedly connected to the top of the mounting plate, and the center of gravity of the maintenance platform is positioned on the central line of the scissor fork arm; the limiting plate sets up in the both sides of maintenance platform, and the spacing pneumatic cylinder of fixedly connected with has seted up the through-hole on the limiting plate between the bottom of limiting plate and the mounting panel, and the through-hole interpolation has the layer board.
2. The safety guarded power maintenance device of claim 1, wherein: two bidirectional hydraulic cylinders are symmetrically arranged between the two topmost connecting rods, and two bidirectional hydraulic cylinders are symmetrically arranged between the two bottommost connecting rods.
3. The safety guarded power maintenance device of claim 2, wherein: two central plates which are arranged in parallel are arranged between the maintenance platform and the mounting plate, the two central plates clamp the connecting rod at the center of the scissor arm, the central plates are of multi-section structures, and the sections of structures are connected in a sliding manner.
4. The safety guarded power maintenance device of claim 1, wherein: the top of mounting panel is provided with and limiting plate assorted spacing groove, and the lower part of spacing pneumatic cylinder and limiting plate all sets up at the spacing inslot.
5. The safety guarded power maintenance device of claim 1, wherein: the through holes are distributed at different levels.
6. The safety guarded power maintenance device of claim 1, wherein: the lower part of the fence is a closed metal plate, and the upper part of the fence is provided with metal rods arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441465.7A CN114044474A (en) | 2021-11-30 | 2021-11-30 | Safety protection type power maintenance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441465.7A CN114044474A (en) | 2021-11-30 | 2021-11-30 | Safety protection type power maintenance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114044474A true CN114044474A (en) | 2022-02-15 |
Family
ID=80211752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111441465.7A Pending CN114044474A (en) | 2021-11-30 | 2021-11-30 | Safety protection type power maintenance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114044474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321447A (en) * | 2022-10-11 | 2022-11-11 | 南通至顺聚氨酯材料有限公司 | Lifting platform for maintenance operation |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1462229A (en) * | 1973-10-15 | 1977-01-19 | Staines R H | Scissors lift |
| EP0831054A2 (en) * | 1996-09-19 | 1998-03-25 | MBB Förder- und Hebesysteme GmbH | Lifting device, in particular scissors lift platform |
| CN102219163A (en) * | 2011-03-29 | 2011-10-19 | 浙江鼎力机械有限公司 | High-altitude operation platform capable of scissoring and lifting in two directions |
| CN105645322A (en) * | 2016-02-25 | 2016-06-08 | 国网山东省电力公司章丘市供电公司 | Intelligent lifting platform for electricity maintenance and using method thereof |
| CN109081276A (en) * | 2018-10-18 | 2018-12-25 | 河南工业和信息化职业学院 | A kind of electric power overhaul safety device |
| CN208964488U (en) * | 2018-09-29 | 2019-06-11 | 程力专用汽车股份有限公司 | A kind of high-altitude operation vehicle that security performance is high |
| CN110015624A (en) * | 2019-04-19 | 2019-07-16 | 喻国祥 | It is a kind of for removing the mobile work platform of high-rise buildings |
| CN111170237A (en) * | 2019-12-31 | 2020-05-19 | 杭州交联电气工程有限公司 | Electric power safety work platform with stable mechanical structure |
| CN211871318U (en) * | 2020-02-24 | 2020-11-06 | 刘鸣洲 | Movable hydraulic support maintenance platform |
-
2021
- 2021-11-30 CN CN202111441465.7A patent/CN114044474A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1462229A (en) * | 1973-10-15 | 1977-01-19 | Staines R H | Scissors lift |
| EP0831054A2 (en) * | 1996-09-19 | 1998-03-25 | MBB Förder- und Hebesysteme GmbH | Lifting device, in particular scissors lift platform |
| CN102219163A (en) * | 2011-03-29 | 2011-10-19 | 浙江鼎力机械有限公司 | High-altitude operation platform capable of scissoring and lifting in two directions |
| CN105645322A (en) * | 2016-02-25 | 2016-06-08 | 国网山东省电力公司章丘市供电公司 | Intelligent lifting platform for electricity maintenance and using method thereof |
| CN208964488U (en) * | 2018-09-29 | 2019-06-11 | 程力专用汽车股份有限公司 | A kind of high-altitude operation vehicle that security performance is high |
| CN109081276A (en) * | 2018-10-18 | 2018-12-25 | 河南工业和信息化职业学院 | A kind of electric power overhaul safety device |
| CN110015624A (en) * | 2019-04-19 | 2019-07-16 | 喻国祥 | It is a kind of for removing the mobile work platform of high-rise buildings |
| CN111170237A (en) * | 2019-12-31 | 2020-05-19 | 杭州交联电气工程有限公司 | Electric power safety work platform with stable mechanical structure |
| CN211871318U (en) * | 2020-02-24 | 2020-11-06 | 刘鸣洲 | Movable hydraulic support maintenance platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321447A (en) * | 2022-10-11 | 2022-11-11 | 南通至顺聚氨酯材料有限公司 | Lifting platform for maintenance operation |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220215 |