CN113911976A - A overhaul platform for power equipment maintains - Google Patents
A overhaul platform for power equipment maintains Download PDFInfo
- Publication number
- CN113911976A CN113911976A CN202111255629.7A CN202111255629A CN113911976A CN 113911976 A CN113911976 A CN 113911976A CN 202111255629 A CN202111255629 A CN 202111255629A CN 113911976 A CN113911976 A CN 113911976A
- Authority
- CN
- China
- Prior art keywords
- base
- maintenance
- maintenance platform
- frame
- platform
- 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 claims abstract description 49
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 7
- 241000282326 Felis catus Species 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
- B66F13/00—Common constructional features or accessories
-
- 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
Abstract
The invention discloses a maintenance platform for maintaining electrical equipment, which comprises a base, a maintenance platform and a lifting assembly, wherein the base is provided with a base seat; the base is a horizontal table-board; a plurality of supporting legs are arranged on the periphery of the base; the lifting assembly comprises a driving seat, a hydraulic cylinder, a stabilizing rod and a movable frame; the bottom of the maintenance platform is provided with a balancing weight, and the maintenance platform is arranged at the top of the hydraulic cylinder; the movable frame comprises a plurality of independent frame bodies; one side of the frame body is provided with an inward-sunken mounting groove, and a guide rod which is vertically arranged is arranged in the mounting groove; a plurality of groups of guide rods are arranged in parallel; a sliding block which slides up and down is arranged on the guide rod; the adjacent frame bodies and the sliding blocks are fixedly arranged; the adjacent frame brackets keep sliding through the sliding blocks; the movable frame is fixedly arranged at the top of the frame body close to the driving seat and the bottom of the maintenance platform; the bottom of the frame body of the movable frame, which is far away from the driving seat, is fixedly installed with the base, so that the maintenance platform can be conveniently lifted, and a plurality of people can be accommodated to work at a high position; is convenient to use.
Description
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to an overhaul platform for electric power equipment maintenance.
Background
The power equipment is a hub and a channel in a transmission and distribution network, and the equipment has the conditions of aging, overhaul, fault hidden danger and the like in the using process. However, these situations cannot be eliminated one by one depending on the experience of human eyes and workers, and the potential safety hazards of the electric power can be checked and organized to be eliminated in time by detecting the potential safety hazards with special electric power equipment. The common is that use the cat ladder to ascend a height, but cat ladder factor of safety is lower, and the cat ladder once can only supply a staff to ascend a height, and is very inconvenient. Present chinese patent CN214218092U provides an overhaul platform for power equipment maintenance, and it is though can make a plurality of staff overhaul of ascending a height, but it is mainly through the cylinder to and the telescoping device risees, and its stability is anxious, and fixed process is complicated, is in the horizontality in being difficult to guarantee the base test, is unfavorable for ascending a height electric power maintainer's use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the maintenance platform for the maintenance of the power equipment, which can accommodate a plurality of people to work at a high place and is convenient and stable to use.
In order to achieve the purpose, the invention is realized by the following technical scheme: a maintenance platform for maintaining electrical equipment comprises a base, a maintenance platform and a lifting assembly;
the base is a horizontal table-board; a plurality of supporting legs are arranged on the periphery of the base;
the lifting assembly comprises a driving seat, a hydraulic cylinder, a stabilizing rod and a movable frame; the bottom of the maintenance platform is provided with a balancing weight, and the maintenance platform is installed at the top of the hydraulic cylinder; the stabilizer bars are arranged in a plurality of groups and are vertically arranged on the shell of the driving seat; the stabilizer bar is a telescopic rod;
the movable frames are symmetrically arranged in two groups by the perpendicular bisector of the driving seat, and each movable frame comprises a plurality of independent frame bodies; one side of the frame body is provided with an inward-sunken mounting groove, and a guide rod which is vertically arranged is arranged in the mounting groove; a plurality of groups of guide rods are arranged in parallel; a sliding block which slides up and down is arranged on the guide rod; the adjacent frame bodies and the sliding blocks are fixedly arranged; the adjacent frame brackets keep sliding through the sliding blocks; the movable frame is fixedly arranged at the top of the frame body close to the driving seat and the bottom of the maintenance platform; the bottom of the movable frame far away from the frame body of the driving seat is fixedly installed with the base.
In order to better realize the invention, furthermore, a plurality of groups of universal wheels are arranged at the bottom of the base.
In order to better realize the invention, a threaded rod is further arranged on the supporting leg, the threaded rod is arranged on the supporting leg in a penetrating way, and the threaded rod is in matched connection with the supporting thread; the top of the threaded rod is provided with a threaded head, and the bottom of the threaded rod is provided with a contact element; the contact member is an elastic member.
In order to better realize the invention, a vertical guardrail is further arranged on the maintenance platform; one side of the guardrail is provided with an openable safety door.
In order to better realize the invention, a ladder stand is further arranged on the maintenance platform; and in a contraction state, the distance between the crawling ladder and the ground is less than 30 cm.
In order to better realize the invention, the ladder stand and the guardrail are hollow steel pipes.
In order to better realize the invention, further, the telescopic length of the hydraulic cylinder is less than 6 m.
In order to better realize the invention, the number of the frame bodies of each group of the movable frames is not less than 4.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the threaded rod is arranged on the supporting leg, penetrates through the supporting leg and is in threaded fit connection with the supporting leg; the top of the threaded rod is provided with a threaded head, and the bottom of the threaded rod is provided with a contact element; the contact member is an elastic member. The threaded head is rotated to drive the whole threaded rod to rotate, so that the contact piece extends out; the contact element is contacted with the ground to support the whole base and ensure that the base is in a horizontal state;
(2) according to the invention, the movable support is arranged, so that the maintenance platform is supported, and meanwhile, the limiting mechanism can be arranged on the movable support, so that after the hydraulic cylinder fails and releases pressure, the movable support can support to prevent the maintenance platform from falling, so that dangers are avoided;
(3) the maintenance platform can be conveniently lifted, and a plurality of people can be accommodated to work at a high position; the bottom of the base is provided with a plurality of groups of universal wheels. Whole maintenance platform accessible universal wheel removes, and it is more convenient when being under construction in the minizone adjusting position, and accommodation is more extensive, suitable extensive popularization and application.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a mounting position of a ladder stand according to the present invention;
FIG. 3 is a schematic perspective view of the bottom of the present invention;
FIG. 4 is a schematic perspective view of the present invention with the adjustable frame in an unfolded state;
fig. 5 is a schematic perspective view of the frame body according to the present invention.
Wherein: 1-maintenance platform, 2-guardrail, 3-emergency exit, 4-cat ladder, 5-bases, 6-supporting legs, 61-contact piece, 62-threaded rod, 63-thread head, 7-universal wheel, 8-drive seat, 9-pneumatic cylinder, 10-stabilizer bar, 11-adjustable shelf, 111-guide arm, 112-slider, 12-balancing weight.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1, 2, 4 and 5, comprises a base 5, an access platform 1 and a lifting assembly;
the base 5 is a horizontal table-board; a plurality of supporting legs 6 are arranged around the base 5;
the lifting assembly comprises a driving seat 8, a hydraulic cylinder 9, a stabilizing rod 10 and a movable frame 11; the bottom of the maintenance platform 1 is provided with a balancing weight 12, and the maintenance platform 1 is arranged at the top of the hydraulic cylinder 9; the stabilizer bars 10 are arranged in a plurality of groups and are vertically arranged on the shell of the driving seat 8; the stabilizer bar 10 is a telescopic bar;
the movable frames 11 are symmetrically arranged in two groups by the perpendicular bisector of the driving seat 8, and each movable frame 11 comprises a plurality of independent frame bodies; one side of the frame body is provided with an inward-sunken mounting groove, and a guide rod 111 which is vertically arranged is arranged in the mounting groove; a plurality of groups of guide rods 111 are arranged in parallel; a slide block 112 which slides up and down is arranged on the guide rod 111; the adjacent frame bodies are fixedly arranged with the sliding block 112; the adjacent frame brackets keep sliding through the sliding blocks 112; the movable frame 11 is fixedly arranged at the top of the frame body close to the driving seat 8 and the bottom of the maintenance platform 1; the bottom of the movable frame 11 far away from the frame body of the driving seat 8 is fixedly installed with the base 5.
In a specific embodiment, rotating the screw head 63 can drive the whole threaded rod 62 to rotate, so that the contact piece 61 extends out; the contact piece 61 is in contact with the ground to support the whole base 5 and ensure that the base 5 is in a horizontal state; then the safety door 3 on the maintenance platform 1 can be opened and is lifted to the maintenance platform 1 through the ladder 4; then, the driving seat is controlled to be started, the hydraulic cylinder 9 is driven to extend to a specified height, and the stabilizer bars 10 on the two sides extend along with the hydraulic cylinder 9 in the extending process; meanwhile, the movable frames 11 on the two sides of the base 5 move along with the base, and each movable frame 11 comprises a plurality of independent frame bodies; one side of the frame body is provided with an inward-sunken mounting groove, and a guide rod 111 which is vertically arranged is arranged in the mounting groove; a plurality of groups of guide rods 111 are arranged in parallel; a slide block 112 which slides up and down is arranged on the guide rod 111; the adjacent frame bodies are fixedly arranged with the sliding block 112; the adjacent frame brackets keep sliding through the sliding blocks 112; after the hydraulic cylinder 9 is extended, the movable frame 11 is in a state shown in fig. 3; the adjustable shelf 11 can play the effect of support to maintenance platform 1, can set up stop gear simultaneously on adjustable shelf 11, and 9 trouble pressure release backs of pneumatic cylinder, adjustable shelf 11 can support, prevents that maintenance platform 1 from falling to danger appears. The maintenance platform can conveniently lift the maintenance platform 1, can accommodate a plurality of people to work at a high position, and is convenient to use.
Example 2:
the present embodiment further defines the structure of the base 5 on the basis of the above embodiments, and as shown in fig. 3, the bottom of the base 5 is provided with a plurality of sets of universal wheels 7. The advantage that so sets up is, whole maintenance platform accessible universal wheel 7 removes, and it is more convenient to adjust the position when being under construction in the minizone. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
in this embodiment, on the basis of the above embodiment, the structure of the supporting foot 6 is further limited, as shown in fig. 2, a threaded rod 62 is arranged on the supporting foot 6, the threaded rod 62 is arranged on the supporting foot 6 in a penetrating manner, and the threaded rod 62 is in threaded fit connection with the supporting foot 6; the top of the threaded rod 62 is provided with a threaded head 63, and the bottom is provided with a contact piece 61; the contact 61 is an elastic member. The advantage of this arrangement is that turning the head 63 causes the entire threaded rod 62 to turn, thus extending the contact element 61; the contact member 61 contacts the ground to support the entire base 5, thereby ensuring that the base 5 is horizontal. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in the embodiment, on the basis of the above embodiment, a guardrail 2 is further added, and as shown in fig. 1 to 4, a vertical guardrail 2 is arranged on the maintenance platform; one side of the guardrail 2 is provided with an openable safety door 3. The advantage of so setting does, guardrail 2 can play the guard action to the staff of being under construction on maintenance platform 1, and emergency exit 3 is opened and can be made things convenient for the staff to pass in and out maintenance platform 1. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
in this embodiment, on the basis of the above embodiments, a ladder stand 4 is further added, and as shown in fig. 1 to 4, the maintenance platform is provided with the ladder stand 4; in the contraction state, the distance between the ladder stand 4 and the ground is less than 30 cm. The advantage that so set up is, under the shrink state, cat ladder 4 is lower with the direct height in ground, can be light go up to maintenance platform 1 through cat ladder 4. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
in the embodiment, on the basis of the above embodiment, the structures of the ladder stand 4 and the guardrail 2 are further limited, and the ladder stand 4 and the guardrail 2 are both hollow steel pipes. The advantage of so setting is that hollow steel pipe makes the weight of whole platform lighter, and it is more convenient when shifting the transportation. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
in the present embodiment, on the basis of the above-mentioned embodiments, the telescopic length of the hydraulic cylinder 9 is further defined, and the telescopic length of the hydraulic cylinder 9 is less than 6 m. The telescopic length of the hydraulic cylinder is preferably less than 6m, and the telescopic lengths of other hydraulic cylinders can be selected under the condition that the normal use of the hydraulic cylinder is not influenced. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 8:
on the basis of the above embodiments, the number of the frame bodies of each group of the movable frames 11 is further limited, and the number of the frame bodies of each group of the movable frames 11 is not less than 4. The four corners of the movable frame 11 are preferably balanced by 4 movements, so that the number of the frame bodies of each group of the movable frames 11 is preferably not less than 4, and the frame bodies of the movable frames 11 with other numbers can be selected under the condition that the balance of the frame bodies of the movable frames 11 is not influenced. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It will be appreciated that the working principle and operation of the service platform structure according to one embodiment of the invention, such as the bayonet guard 2 and ladder 4, is well known in the art and will not be described in detail herein.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A maintenance platform for maintaining electrical equipment is characterized by comprising a base (5), a maintenance platform (1) and a lifting assembly;
the base (5) is a horizontal table-board; a plurality of supporting legs (6) are arranged around the base (5);
the lifting assembly comprises a driving seat (8), a hydraulic cylinder (9), a stabilizing rod (10) and a movable frame (11); the bottom of the maintenance platform (1) is provided with a balancing weight (12), and the maintenance platform (1) is arranged at the top of the hydraulic cylinder (9); a plurality of groups of stabilizer bars (10) are arranged and are vertically arranged on the shell of the driving seat (8); the stabilizer bar (10) is a telescopic rod;
the two groups of movable frames (11) are symmetrically arranged by the central vertical line of the driving seat (8), and each movable frame (11) comprises a plurality of independent frame bodies; one side of the frame body is provided with an inward-sunken mounting groove, and a guide rod (111) which is vertically arranged is arranged in the mounting groove; a plurality of groups of guide rods (111) are arranged in parallel; a slide block (112) which slides up and down is arranged on the guide rod (111); the adjacent frame bodies are fixedly arranged with the sliding blocks (112); the adjacent frame supports keep sliding through a sliding block (112); the top of the movable frame (11) close to the frame body of the driving seat (8) is fixedly arranged with the bottom of the maintenance platform (1); the bottom of the movable frame (11) far away from the frame body of the driving seat (8) is fixedly installed with the base (5).
2. Service platform for electrical equipment maintenance according to claim 1, characterized in that the bottom of the base (5) is provided with sets of universal wheels (7).
3. The overhaul platform for power equipment maintenance according to claim 1, wherein a threaded rod (62) is arranged on the supporting foot (6), the threaded rod (62) is arranged on the supporting foot (6) in a penetrating manner, and the threaded rod (62) is in threaded fit connection with the supporting foot (6); the top of the threaded rod (62) is provided with a threaded head (63), and the bottom is provided with a contact piece (61); the contact member (61) is an elastic member.
4. Service platform for the maintenance of electrical equipment according to claim 1, characterized in that it is provided with vertical guardrails (2); one side of the guardrail (2) is provided with an openable safety door (3).
5. Service platform for the maintenance of electrical equipment according to claim 1, characterized in that it is provided with a ladder (4); in a contraction state, the distance between the ladder stand (4) and the ground is less than 30 cm.
6. The service platform for the maintenance of electrical equipment according to claim 1, characterized in that the ladder (4) and the guardrail (2) are both hollow steel tubes.
7. Service platform for electrical equipment maintenance according to claim 1, characterized in that the hydraulic cylinder (9) has a telescopic length of less than 6 m.
8. The service platform for the maintenance of electrical equipment according to claim 1, characterized in that the number of frames of each group of said movable frames (11) is not lower than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255629.7A CN113911976A (en) | 2021-10-27 | 2021-10-27 | A overhaul platform for power equipment maintains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111255629.7A CN113911976A (en) | 2021-10-27 | 2021-10-27 | A overhaul platform for power equipment maintains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113911976A true CN113911976A (en) | 2022-01-11 |
Family
ID=79243236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111255629.7A Pending CN113911976A (en) | 2021-10-27 | 2021-10-27 | A overhaul platform for power equipment maintains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113911976A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006143341A (en) * | 2004-11-16 | 2006-06-08 | Tir Corporation | Drop preventing device for traction object |
| CN203361737U (en) * | 2013-06-14 | 2013-12-25 | 国家电网公司 | Electric power tower facilitating overhauling |
| CN203998801U (en) * | 2014-05-08 | 2014-12-10 | 国家电网公司 | A kind of movable equipment safe lifting device |
| CN209645310U (en) * | 2018-12-17 | 2019-11-19 | 天津市宝坻区人民医院 | A kind of orthopaedics multi-function frame |
| CN210620175U (en) * | 2019-09-04 | 2020-05-26 | 苏州富士德物流设备有限公司 | Maintenance platform for stacking machine |
| CN212403394U (en) * | 2020-05-09 | 2021-01-26 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Maintenance operation platform |
| CN212532223U (en) * | 2020-07-14 | 2021-02-12 | 李致周 | Hydraulic device of test station of special equipment for coal mine |
| CN213231457U (en) * | 2020-09-17 | 2021-05-18 | 山东泰沃重工有限公司 | Overhaul lifting platform |
| CN113401851A (en) * | 2021-07-08 | 2021-09-17 | 广东电网有限责任公司 | Maintenance ladder for outdoor maintenance of power equipment |
| CN214218092U (en) * | 2020-12-31 | 2021-09-17 | 广东企禾科技有限公司 | A overhaul platform for power equipment maintains |
-
2021
- 2021-10-27 CN CN202111255629.7A patent/CN113911976A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006143341A (en) * | 2004-11-16 | 2006-06-08 | Tir Corporation | Drop preventing device for traction object |
| CN203361737U (en) * | 2013-06-14 | 2013-12-25 | 国家电网公司 | Electric power tower facilitating overhauling |
| CN203998801U (en) * | 2014-05-08 | 2014-12-10 | 国家电网公司 | A kind of movable equipment safe lifting device |
| CN209645310U (en) * | 2018-12-17 | 2019-11-19 | 天津市宝坻区人民医院 | A kind of orthopaedics multi-function frame |
| CN210620175U (en) * | 2019-09-04 | 2020-05-26 | 苏州富士德物流设备有限公司 | Maintenance platform for stacking machine |
| CN212403394U (en) * | 2020-05-09 | 2021-01-26 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Maintenance operation platform |
| CN212532223U (en) * | 2020-07-14 | 2021-02-12 | 李致周 | Hydraulic device of test station of special equipment for coal mine |
| CN213231457U (en) * | 2020-09-17 | 2021-05-18 | 山东泰沃重工有限公司 | Overhaul lifting platform |
| CN214218092U (en) * | 2020-12-31 | 2021-09-17 | 广东企禾科技有限公司 | A overhaul platform for power equipment maintains |
| CN113401851A (en) * | 2021-07-08 | 2021-09-17 | 广东电网有限责任公司 | Maintenance ladder for outdoor maintenance of power equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113184119A (en) | Folding auxiliary ladder convenient to disassemble and store | |
| CN108584825A (en) | A kind of electric power overhaul platform that can stablize lifting | |
| CN106044656A (en) | Movable climbing fixed-installation footboard device for substation maintenance work | |
| CN113911976A (en) | A overhaul platform for power equipment maintains | |
| CN210656026U (en) | Electric power overhauls strutting arrangement | |
| CN209742492U (en) | Height-adjustable's fender is enclosed in municipal administration | |
| CN215255126U (en) | Safety protective guard is used in road bridge construction | |
| CN211813303U (en) | Scissor-fork type lifting device and scissor-fork type aerial work platform | |
| CN111441710A (en) | Ladder with adjustable inclination angle | |
| CN212535001U (en) | Lifting device with good stability for laboratory ceiling | |
| CN205601683U (en) | High safe power maintenance car | |
| CN206720687U (en) | Column type overhead operation platform | |
| CN207033329U (en) | Column type overhead operation platform and its staircase | |
| CN216766689U (en) | Electric scaffold with protective structure | |
| CN101704492B (en) | Double-pole climbing aerial working platform | |
| CN211310746U (en) | Fault detection device for elevator maintenance | |
| CN219058242U (en) | Portable construction well lifting device | |
| CN218406368U (en) | Electric power construction equipment with safety protective guard | |
| CN218205626U (en) | Detachable movable operation platform for high-altitude welding | |
| CN220036045U (en) | Safety scaffold | |
| CN219491651U (en) | Floor type scaffold with protective structure | |
| CN220845383U (en) | Stacker maintenance device | |
| CN218970561U (en) | Construction platform with protection structure for building construction engineering | |
| CN210337912U (en) | Electrified construction ladder car of adjustable level railway | |
| CN112652991A (en) | Insulating baffle of rack |
Legal Events
| 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: 20220111 |
|
| RJ01 | Rejection of invention patent application after publication |