CN115402980A - Auxiliary tool for power transformation maintenance - Google Patents
Auxiliary tool for power transformation maintenance Download PDFInfo
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- CN115402980A CN115402980A CN202210541645.0A CN202210541645A CN115402980A CN 115402980 A CN115402980 A CN 115402980A CN 202210541645 A CN202210541645 A CN 202210541645A CN 115402980 A CN115402980 A CN 115402980A
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- maintenance
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- auxiliary
- power transformation
- cavity
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- 238000012423 maintenance Methods 0.000 title claims abstract description 50
- 230000009466 transformation Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000004224 protection Effects 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000009979 protective mechanism Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses an auxiliary tool for power transformation maintenance, and relates to the technical field of equipment for power transformation maintenance. The invention comprises the following steps: the device comprises a base, a damping device and a protective device, wherein the edge of the upper end of a base frame of the base is arranged in an upward cavity, the damping device is connected with a baffle in the cavity, the middle part of the upper end surface of the base frame is movably connected with a bearing mechanism through a hydraulic cylinder, and the upper part of the hydraulic cylinder is movably connected with an auxiliary protective mechanism; supplementary supporting mechanism, a set of welding block welded connection that supplementary supporting mechanism includes tip around supporting mechanism, and the welding block inboard has supplementary board of accepting through double-screw bolt threaded connection, supplementary board middle part of accepting is the cavity setting of running through, and swing joint has size adjustment mechanism in the cavity. The invention solves the problems that the existing lifting mechanism is difficult to carry out maintenance operation in a narrow space, or is used for an auxiliary maintenance structure, the size of the lifting mechanism is simplified, and meanwhile, no outer protection structure exists during auxiliary maintenance by arranging the auxiliary bearing mechanism, the size adjusting mechanism and the auxiliary protection mechanism.
Description
Technical Field
The invention belongs to the technical field of equipment for power transformation maintenance, and particularly relates to an auxiliary tool for power transformation maintenance.
Background
The transformer maintenance is in charge of maintaining, replacing and debugging circuit breakers and isolating switches, maintaining transformer equipment, mutual inductors and other transformer equipment to enable the transformer equipment to reach an original state of quality standard which must be possessed by safe operation, and the lifting mechanism belongs to a transformer maintenance tool.
Through retrieval, the Chinese granted patent No. CN106241677B, the granted publication No. 2018.11.09, the granted publication discloses an elevator for overhauling an electric wire, which comprises a base, an elevating gear, a bracket and a control mechanism; the lifting device is arranged on the base through the bracket; the elevator can automatically deliver the maintainers to the region to be overhauled, so that the physical strength of the maintainers can be saved, and the potential safety hazard of the maintainers when climbing a common overhauling ladder can be avoided; in addition, the maintenance personnel can carry out maintenance work in the elevator, the safety of the maintenance personnel is further ensured, and the maintenance vehicle can be arranged on the lifting plate to reach the maintenance area and is arranged on the maintenance electric wire for maintenance.
However, the following disadvantages still exist in the practical use:
1. the existing lifting mechanism is dependent on a single receiving box for maintenance operation, and for the maintenance operation in a narrow space, the receiving box is difficult to enter, so that the actual use effect is influenced;
2. the existing lifting mechanism or the auxiliary maintenance structure has a single size, and cannot meet the use requirement;
3. current elevating system, or be used for supplementary maintenance structure, when carrying out supplementary maintenance, break away from main maintenance structure, do not have outer protective structure, the safety risk height.
Therefore, the existing auxiliary tool for power transformation maintenance cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.
Disclosure of Invention
The invention aims to provide an auxiliary tool for power transformation maintenance, which solves the problems that the existing lifting mechanism depends on a single bearing box to carry out maintenance operation, the bearing box is difficult to enter for maintenance operation in a narrow space, the actual use effect is influenced, and the auxiliary lifting mechanism or the auxiliary lifting mechanism is used for an auxiliary maintenance structure, the size of the auxiliary lifting mechanism is simple, the use requirement cannot be met, and meanwhile, when the auxiliary lifting mechanism or the auxiliary maintenance structure is used for auxiliary maintenance and is separated from a main maintenance structure, no outer protection structure exists, and the safety risk is high.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention is an auxiliary tool for power transformation maintenance, comprising:
the device comprises a base, wherein the edge of the upper end of a base frame of the base is arranged in an upward cavity, a baffle is connected in the cavity in a damping manner, a bearing mechanism is movably connected in the middle of the upper end face of the base frame through a hydraulic cylinder, and an auxiliary protection mechanism is movably connected at the upper part of the hydraulic cylinder;
supplementary receiving mechanism, a set of welding block welded connection that supplementary receiving mechanism includes is tip around receiving mechanism, and the welding block inboard has supplementary board of accepting through double-screw bolt threaded connection, supplementary board middle part of accepting is the cavity setting of running through, and swing joint has size adjustment mechanism in the cavity.
Furthermore, the size adjusting mechanism comprises a group of adjusting plates which are centrosymmetric, a guide block at the middle section of the end part of each adjusting plate is connected in a guide rail at the inner end part of the cavity in a sliding manner, and the front output end of the push rod at the inner and rear end parts of the cavity is connected with the guide block; the push rod applies pushing force to the guide block to move the adjusting plate inside and outside so as to adjust the size of the auxiliary bearing mechanism and meet different use requirements.
Furthermore, two sides of the upper end face of a sleeve block of the auxiliary protection mechanism are connected with telescopic rods on two sides of the bottom of the bearing mechanism, and protective nets are connected to the circumferential surface of the sleeve block at equal intervals; the telescopic rod applies lifting force to the sleeve block to adjust the height of the protective net and perform external protection treatment on maintainers.
Furthermore, the periphery of the sleeve block is arranged in an outwards protruding mode at equal intervals, the middle of the protruding portion is arranged in a threaded screw rod mode, and the inner side wall of the sleeve block is connected with the upper output end of the hydraulic cylinder in a non-contact mode; the connection between the sleeve block and the protective net is carried out through the screw rod by the protrusion, and the inner side wall of the sleeve block and the upper output end of the hydraulic cylinder are connected in a non-contact manner, so that the lifting operation is easy.
Furthermore, the middle parts of the front end and the rear end of the bearing box included by the bearing mechanism are movably connected with guard rails, and the middle parts of the two sides of the bearing box are welded and connected with bolt connecting blocks; the connecting box is used for connecting maintenance personnel, and the protection device is used for protecting the maintenance personnel from falling through the guard rail and connecting the anti-falling rope through the bolt connecting block.
Furthermore, the bearing box is movably connected with one side of the guard rail through hinges at the front side and the rear side, and the other side of the guard rail is connected with the bearing box through penetrating insertion blocks; the connection of the guard rail is carried out by the hinge, the opening and closing of the guard rail are easy, and the stability of the guard rail in a closed state is ensured by the insertion block.
Furthermore, a supporting mechanism is connected to the center of the bottom end of the base frame, and a supporting block is connected to the bottom end of a lower opening frame of the supporting mechanism; the supporting block is received by the lower opening frame so as to receive and position the device.
Furthermore, the bottom end surfaces of the supporting blocks are arranged in equidistant convex grooves, and the middle parts of the outer ends of the lower opening frame are arranged in equidistant penetrating bolts; the friction force between the supporting block and the ground is increased by the convex groove, the stability is improved, and the stability of the supporting block connection is strengthened by the bolt.
Furthermore, the middle parts of the lower ends of the two sides of the base frame are connected with a moving mechanism, one side of a supporting block of the moving mechanism is connected with a driving motor in a penetrating manner, and the front end of a U-shaped frame rotating inside the driving motor is connected with a moving wheel; the U-shaped frame is driven by the driving motor to rotate, so that the moving wheel is in contact with the ground, and the position of the device is moved by applying pushing force.
Furthermore, the middle part of the other side of the supporting block is arranged in a penetrating shaft seat, and the middle part of the front end of the U-shaped frame is arranged in a penetrating rotating shaft rod; the output end of the driving motor is received by the shaft seat, and the movable wheel is received by the shaft rod.
The invention has the following beneficial effects:
1. according to the invention, the auxiliary bearing mechanism is arranged, and the maintenance bearing structure is subjected to auxiliary treatment, so that the maintenance operation of power transformation in a narrow space is realized, and the maintenance device is easy to use.
2. According to the invention, the size adjusting mechanism is arranged, and the size of the auxiliary bearing mechanism can be adjusted, so that different use requirements can be met.
3. According to the invention, through arranging the auxiliary protection mechanism, the personnel assisting the carrying operation to the outside can carry out the external protection treatment, so that the occurrence rate of safety accidents is reduced, and the operation safety is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of the connection between the supporting mechanism and the auxiliary supporting mechanism according to the present invention;
FIG. 4 is a schematic view of the connection between the auxiliary receiving mechanism and the size adjusting mechanism according to the present invention;
FIG. 5 is a schematic view of the moving mechanism of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a base; 110. a base frame; 120. enclosing; 130. a hydraulic cylinder; 200. a carrying mechanism; 210. a receiving box; 220. protecting a fence; 230. a bolting block; 300. a support mechanism; 310. a lower opening frame; 320. a support block; 400. a moving mechanism; 410. supporting a block; 420. a drive motor; 430. a U-shaped frame; 440. a moving wheel; 500. an auxiliary receiving mechanism; 510. welding blocks; 520. a stud; 530. an auxiliary bearing plate; 600. a size adjustment mechanism; 610. an adjusting plate; 620. a guide rail; 700. an auxiliary protection mechanism; 710. sleeving a block; 720. a telescopic rod; 730. and (4) a protective net.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-5, the present invention is an auxiliary tool for power transformation maintenance, comprising:
the base 100, the edge of the upper end of the base frame 110 included in the base 100 is arranged in an upward cavity, the inside of the cavity is connected with the enclosure 120 in a damping manner, the middle part of the upper end face of the base frame 110 is movably connected with the bearing mechanism 200 through the hydraulic cylinder 130, and the upper part of the hydraulic cylinder 130 is movably connected with the auxiliary protection mechanism 700;
the auxiliary bearing mechanism 500, a group of welding blocks 510 included in the auxiliary bearing mechanism 500 is welded and connected to the front end and the rear end of the bearing mechanism 200, the inner sides of the welding blocks 510 are in threaded connection with an auxiliary bearing plate 530 through studs 520, the middle of the auxiliary bearing plate 530 is arranged in a penetrating cavity, and a size adjusting mechanism 600 is movably connected in the cavity;
the size adjusting mechanism 600 comprises a group of adjusting plates 610 which are centrosymmetric, a guide block at the middle section of the end part of each adjusting plate 610 is connected in a guide rail 620 at the inner end part of the cavity in a sliding manner, and the front output end of a push rod at the inner and rear end parts of the cavity is connected with the guide block;
the two sides of the upper end surface of the sleeve block 710 of the auxiliary protection mechanism 700 are connected with the telescopic rods 720 at the two sides of the bottom of the supporting mechanism 200, and the circumference surface of the sleeve block 710 is connected with the protection net 730 at equal intervals.
As shown in fig. 2, the circumference of the sleeve block 710 is arranged to be convex outwards at equal intervals, the middle part of the convex part is arranged to be a threaded screw, and the inner side wall of the sleeve block 710 is in non-contact connection with the upper output end of the hydraulic cylinder 130;
specifically, when the set block 710 is used, the set block 710 is connected with the protective screening 730 through the screw rod by the protrusion, and the inner side wall of the set block 710 is in contactless connection with the upper output end of the hydraulic cylinder 130, so that the smooth operation of the lifting operation is ensured.
The middle part of the front end and the rear end of a bearing box 210 included in the bearing mechanism 200 is movably connected with a protective guard 220, and the middle parts of the two sides of the bearing box 210 are welded and connected with a bolt block 230;
the receiving box 210 is movably connected with one side of the protective guard 220 through hinges at the front side and the rear side, and the other side of the protective guard 220 is connected with the receiving box 210 through a penetrating insertion block;
specifically, when the bearing mechanism 200 is used, an outward pulling force is applied to the protective guard 220, the protective guard is in an open state under the action of the hinge, at the moment, a maintainer enters the bearing box 210, a reverse step is applied, one side of the protective guard 220 is inserted into the bearing box 210 through the inserting block for positioning, and the anti-falling rope at the waist of the maintainer is bolted to the bolting block 230;
a supporting mechanism 300 is connected to the center of the bottom end of the base frame 110, and a supporting block 320 is connected to the bottom end of a lower opening frame 310 included in the supporting mechanism 300;
the bottom surfaces of the supporting blocks 320 are arranged in equidistant convex grooves, and the middle parts of the outer ends of the lower opening frame 310 are arranged in equidistant penetrating bolts;
specifically, when the supporting mechanism 300 is used, the upper end surface of the supporting block 320 is connected to the inside of the lower opening frame 310 in a damping manner, and the bolt is tightened, and at this time, the bottom end surface of the supporting block 320 is placed in contact with the ground.
As shown in fig. 5, the moving mechanism 400 is connected to the middle of the lower ends of the two sides of the base frame 110, and a driving motor 420 is connected to one side of a supporting block 410 included in the moving mechanism 400 in a penetrating manner, and a moving wheel 440 is connected to the front end of a U-shaped frame 430 rotating inside the driving motor 420;
the middle part of the other side of the supporting block 410 is arranged in a penetrating shaft seat, and the middle part of the front end of the U-shaped frame 430 is arranged in a penetrating rotating shaft rod;
specifically, when the moving mechanism 400 is used, the external control end controls the driving motor 420, and the driving motor 420 applies a rotational force to the U-shaped frame 430, so that the U-shaped frame 430 is changed from being parallel to the ground to being perpendicular to the ground, and at this time, the moving wheel 440 contacts with the ground and applies a pushing force to move the device.
When the tool is used:
firstly, the outer control end controls the driving motor 420, the driving motor 420 applies a rotating force to the U-shaped frame 430, so that the U-shaped frame 430 is converted from the original parallel ground into the vertical ground, at this time, the moving wheel 440 is in contact with the ground and applies a pushing force to move the designated position of the tool;
then, the hydraulic cylinder 130 is controlled by the external control end, the hydraulic cylinder 130 applies downward moving force to the bearing box 210, at the moment, outward pulling force is applied to the protective guard 220, the protective guard is in an open state under the action of a hinge, a maintainer enters the bearing box 210 and applies a reverse step, inserting and positioning between one side of the protective guard 220 and the bearing box 210 are carried out through an inserting block, and an anti-falling rope at the waist of the maintainer is bolted with the bolting block 230;
then, the middle part of the convex surface of the sleeve block 710 is connected with the protective net 730 through a screw, at this time, the hydraulic cylinder 130 applies the reverse step, the original position of the bearing box 210 is recovered, and the maintainer carries out power transformation maintenance;
secondly, when the transformer in a narrow space is overhauled, an overhaul worker opens the protective guard 220 again and carries out overhaul operation on the transformer in the narrow space through the auxiliary bearing plate 530, and meanwhile, the protective net 730 extends out of the lower part of the protective guard and can carry out anti-falling protection on the transformer;
finally, when the auxiliary bearing plate 530 is used, if the length requirement cannot be met, the inner push rod can be controlled by the hand-held switch, and the push rod applies forward pushing force to the guide block, so that the adjusting plate 610 can be moved outwards for use.
The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions and improvements of some technical features, which are made to the technical solutions described in the above embodiments, are all within the scope of the present invention.
Claims (10)
1. The utility model provides an appurtenance is used in transformer maintenance which characterized in that includes:
the device comprises a base (100), wherein the edge of the upper end of a base frame (110) of the base (100) is arranged in an upward cavity, a baffle (120) is connected in the cavity in a damping manner, the middle part of the upper end face of the base frame (110) is movably connected with a bearing mechanism (200) through a hydraulic cylinder (130), and the upper part of the hydraulic cylinder (130) is movably connected with an auxiliary protection mechanism (700);
supplementary supporting mechanism (500), tip around supporting mechanism (200) is connected in a set of welding block (510) welded connection that supplementary supporting mechanism (500) included, and welding block (510) inboard has supplementary board (530) of accepting through double-screw bolt (520) threaded connection, supplementary board (530) middle part of accepting is the cavity setting that runs through, and swing joint has size adjustment mechanism (600) in the cavity.
2. The auxiliary tool for power transformation maintenance as claimed in claim 1, wherein the size adjusting mechanism (600) comprises a set of adjusting plates (610) with central symmetry, a guide block at the middle section of the end of the adjusting plate (610) is slidably connected in a guide rail (620) at the inner end of the cavity, and the front output end of the push rod at the rear end in the cavity is connected with the guide block.
3. The auxiliary tool for power transformation maintenance as claimed in claim 1, wherein the auxiliary protection mechanism (700) comprises a set block (710) having two sides of the upper end surface connected to the telescopic rods (720) at two sides of the bottom of the supporting mechanism (200), and the set block (710) having a protective net (730) connected to the circumferential surface at equal intervals.
4. The auxiliary tool for power transformation maintenance as claimed in claim 3, wherein the circumference of the sleeve block (710) is provided with outward protrusions at equal intervals, the middle of each protrusion is provided with a threaded screw, and the inner side wall of the sleeve block (710) is in non-contact connection with the upper output end of the hydraulic cylinder (130).
5. The auxiliary tool for power transformation maintenance as claimed in claim 1, wherein the receiving mechanism (200) comprises a receiving box (210) movably connected with a guard rail (220) in the middle of the front end and the rear end, and bolt blocks (230) are welded to the middle of the two sides of the receiving box (210).
6. The auxiliary tool for power transformation maintenance as claimed in claim 5, wherein the receiving box (210) is movably connected with one side of the guard rail (220) through hinges at the front side and the rear side, and the other side of the guard rail (220) is connected with the receiving box (210) through a penetrating insertion block.
7. The auxiliary tool for power transformation maintenance as claimed in claim 1, wherein a supporting mechanism (300) is connected to a central position of a bottom end portion of the base frame (110), and a supporting block (320) is connected to a bottom end of a lower opening frame (310) included in the supporting mechanism (300).
8. The auxiliary tool for substation maintenance as claimed in claim 8, wherein the bottom end surface of the supporting block (320) is provided with equally spaced convex grooves, and the middle part of the outer end of the lower opening frame (310) is provided with equally spaced through bolts.
9. The auxiliary tool for power transformation maintenance as claimed in claim 1, wherein a moving mechanism (400) is connected to the middle of the lower ends of the two sides of the base frame (110), a driving motor (420) is connected to one side of a support block (410) included in the moving mechanism (400) in a penetrating manner, and a moving wheel (440) is connected to the front end of a U-shaped frame (430) rotating inside the driving motor (420).
10. The auxiliary tool for power transformation maintenance as claimed in claim 9, wherein the middle part of the other side of the support block (410) is provided with a through shaft seat, and the middle part of the front end of the U-shaped frame (430) is provided with a through rotating shaft rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210541645.0A CN115402980A (en) | 2022-05-17 | 2022-05-17 | Auxiliary tool for power transformation maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210541645.0A CN115402980A (en) | 2022-05-17 | 2022-05-17 | Auxiliary tool for power transformation maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115402980A true CN115402980A (en) | 2022-11-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210541645.0A Pending CN115402980A (en) | 2022-05-17 | 2022-05-17 | Auxiliary tool for power transformation maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115402980A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6405114B1 (en) * | 1999-02-04 | 2002-06-11 | Snorkel International, Inc. | Aerial work platform boom having ground and platform controls linked by a controller area network |
| CN209098124U (en) * | 2018-10-24 | 2019-07-12 | 云南旺欣建筑劳务有限公司 | A kind of lifting platform Junk prevention device |
| CN110329964A (en) * | 2019-07-10 | 2019-10-15 | 山东劳动职业技术学院（山东劳动技师学院） | A kind of intelligentized multifunction power maintenance device |
| CN211813328U (en) * | 2019-12-16 | 2020-10-30 | 闫康 | Power grid construction safety protection equipment |
| CN211940786U (en) * | 2019-12-03 | 2020-11-17 | 微特技术有限公司 | Auxiliary device is used in hoisting equipment maintenance |
| CN211971698U (en) * | 2020-02-18 | 2020-11-20 | 青海诺克斯电力工程有限公司 | Auxiliary device is used in electric power engineering construction |
| CN212533759U (en) * | 2020-06-17 | 2021-02-12 | 毛立华 | Viaduct anti-collision wall construction device |
-
2022
- 2022-05-17 CN CN202210541645.0A patent/CN115402980A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6405114B1 (en) * | 1999-02-04 | 2002-06-11 | Snorkel International, Inc. | Aerial work platform boom having ground and platform controls linked by a controller area network |
| CN209098124U (en) * | 2018-10-24 | 2019-07-12 | 云南旺欣建筑劳务有限公司 | A kind of lifting platform Junk prevention device |
| CN110329964A (en) * | 2019-07-10 | 2019-10-15 | 山东劳动职业技术学院（山东劳动技师学院） | A kind of intelligentized multifunction power maintenance device |
| CN211940786U (en) * | 2019-12-03 | 2020-11-17 | 微特技术有限公司 | Auxiliary device is used in hoisting equipment maintenance |
| CN211813328U (en) * | 2019-12-16 | 2020-10-30 | 闫康 | Power grid construction safety protection equipment |
| CN211971698U (en) * | 2020-02-18 | 2020-11-20 | 青海诺克斯电力工程有限公司 | Auxiliary device is used in electric power engineering construction |
| CN212533759U (en) * | 2020-06-17 | 2021-02-12 | 毛立华 | Viaduct anti-collision wall construction device |
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Application publication date: 20221129 |