CN112573450A - Safety device that municipal administration electrical engineering used - Google Patents
Safety device that municipal administration electrical engineering used Download PDFInfo
- Publication number
- CN112573450A CN112573450A CN202011408425.8A CN202011408425A CN112573450A CN 112573450 A CN112573450 A CN 112573450A CN 202011408425 A CN202011408425 A CN 202011408425A CN 112573450 A CN112573450 A CN 112573450A
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- CN
- China
- Prior art keywords
- guide
- fixed
- electrical engineering
- ascending
- assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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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
- B66F13/00—Common constructional features or accessories
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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
- 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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- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
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- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
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- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/16—Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
Abstract
The invention discloses a safety protection device for municipal electrical engineering, which comprises a base, support rods, folding crawling ladders, jacks, ascending ladders and an accidental movement prevention assembly, wherein two groups of support rods are symmetrically fixed on the base, the middle parts of the two groups of supports are connected with the folding crawling ladders in an angle-adjustable manner, the jacks are fixed on the support rods, the ascending ladders which are obliquely arranged are jointly fixed at the telescopic ends of the two groups of jacks, when the ascending ladders are used, the ascending ladders drive a first guide assembly and a second guide assembly to move upwards together, at the moment, rotating wheels rotate along with the first guide assembly and provide guide for the first guide assembly, and when the movement stops, the adjusting rods drive the first guide assembly and the second guide assembly to be attached to a rotating wheel guide rail so as to provide auxiliary locking, and when the accidental downward movement of a protection frame is detected, a speed reduction motor drives a driving gear to drive the, thereby slowing down the unexpected sliding action and ensuring the safety of constructors.
Description
Technical Field
The invention relates to the technical field of electrical protection, in particular to a safety protection device for municipal electrical engineering.
Background
In municipal electrical engineering construction, a constructor is required to perform climbing operation so as to install or maintain related electrical equipment, and in the process of installing or maintaining the electrical equipment at a high position, the climbing operation needs to be performed by means of a lifting platform or a crawling ladder.
Therefore, there is a need for a safety shield for municipal electrical engineering to solve the above-mentioned problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a safety protection device for municipal electrical engineering comprises a base, support rods, folding crawling ladders, jacks, ascending ladders and accidental movement prevention assemblies, wherein two groups of the support rods are symmetrically fixed on the base, the middle parts of the two groups of the support rods are connected with the folding crawling ladders in an angle-adjustable manner,
jacks are fixed on the supporting rods, obliquely arranged ascending ladders are fixed at the telescopic ends of the two groups of jacks, and during construction, the folding ladder or the ascending ladder is selectively used;
one end of the ascending ladder far away from the jack is provided with a protective frame.
Further, as preferred, the below of ladder of ascending a height still is provided with two sets of unexpected removal subassemblies of preventing, the setting that unexpected removal subassembly can reciprocate is on the guide rail, and carries out displacement from top to bottom along with the flexible of the scalable end of jack, the guide rail is long rectangular, and its vertical fixation is in the inboard of support arm, the support arm is fixed in on the base, and when the protection frame accident moved down, unexpected removal subassembly can slow down this action.
Further, as preferred, the inner wall of protection frame is pasted all around and is had insulating pad, the bottom of protection frame adopts insulating base to support has the packing bag, the inside packing of packing bag has eighty percent gravel, the lateral wall of protection frame still is connected with two sets of protecting bands.
Further, as preferred, the subassembly that removes of preventing accident includes mount pad, support arm, connection claw, direction subassembly one and direction subassembly two, wherein the top of mount pad is fixed with the support arm, the other end of support arm adopts the connection claw to link to each other with the ladder of ascending a height, the bottom symmetry of mount pad is provided with two sets of direction subassemblies one, still is provided with direction subassembly two between two sets of direction subassemblies one to lead from the three direction of guide rail.
Further, preferably, the first guide assembly and the second guide assembly respectively comprise a top plate, a mounting plate, a rotating shaft, a rotating wheel, an extension plate, an adjusting rod and a guide rod, wherein the top plate is fixed at the bottom of the mounting seat, two groups of mounting plates are hinged below the top plate, the rotating shaft is rotatably arranged between the two groups of mounting plates, and the rotating wheel is coaxially fixed on the outer surface of the rotating shaft;
an extension plate is further fixed on one side below the top plate, an adjusting rod is fixed on the extension plate, the output end of the adjusting rod penetrates through the extension plate and is connected with a guide rod, the guide rod extends into a guide cylinder in a sliding mode, a spring is arranged between the guide rod and the guide cylinder, and the guide cylinder is fixed between the two mounting plates;
and a buffer spring sleeved outside the guide rod is further arranged between the outside of the guide cylinder and the extension plate.
Further, as preferred, it is two sets of still rotate between the mounting panel and be provided with the driving gear, the driving gear adopts the chain to link to each other with the driven gear transmission, driven gear coaxial fixation is in the pivot, just the driving gear is driven by fixing at the outside gear motor of mounting panel, and when the protective frame accident shifted down, by gear motor drive driving gear drives the runner and carries out anticlockwise rotation, forms ascending climbing trend.
Preferably, the rotating wheel in the first guide assembly faces the front or the back of the guide rail, the outer circumference of the rotating wheel in the first guide assembly is coaxially provided with an elastic bag, and resistance-increasing filler is filled between the elastic bag and the rotating wheel.
Further, as preferred, the runner of the second guide assembly faces the side face of the guide rail, and a locking ring is coaxially arranged on the outer circumference of the runner of the second guide assembly, the cross section of the locking ring is groove-shaped, the groove is trapezoidal and used for respectively locking three faces of the guide rail, and an elastic ring is coaxially fixed on the outer circumference of the locking ring.
Further, as preferred, the one end that the jack was kept away from to the ladder of ascending a height adopts the telescopic link to be connected with the protective frame.
Further, as the preferred, still be connected with supplementary connecting rod between support arm and the telescopic link.
Compared with the prior art, the invention provides a safety protection device for municipal electrical engineering, which has the following beneficial effects:
by utilizing the device, the folding ladder stand or the climbing ladder can be selectively used, thereby realizing energy saving under the condition of meeting various implementation situations, and when the climbing ladder is selected to be used, when the ascending ladder is required to be conveyed to a corresponding height by the jack, the ascending ladder drives the first guide assembly and the second guide assembly to move upwards together, the rotating wheel rotates along with the ascending ladder to provide guidance for the ascending ladder, and when the ascending ladder stops moving, the adjusting rod drives the rotating wheel to be attached to the guide rail, thereby providing auxiliary locking, and when detecting that the protective frame moves downwards accidentally, the adjusting rod is restored to the initial state to prevent the phenomenon of locking and slipping caused by overlarge pressure between the rotating wheel and the guide rail, and the reducing motor drives the driving gear to drive the rotating wheel to rotate anticlockwise so as to form a trend of climbing upwards, therefore, the unexpected sliding action is slowed down, the overall safety is improved, and the safety of constructors is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a first guide assembly according to the present invention;
FIG. 3 is a schematic view of the locking ring of the present invention;
FIG. 4 is a schematic structural diagram of a protection frame according to the present invention;
in the figure: 1. a base; 2. a support bar; 3. the ladder stand is folded; 4. a protective hook; 5. a jack; 6. climbing a ladder; 7. a telescopic rod; 8. a protective frame; 9. a support arm; 10. a guide rail; 11. a mounting seat; 12. a support arm; 13. a connecting claw; 14. a first guide component; 15. a second guide assembly; 16. an auxiliary connecting rod; 17. a top plate; 18. mounting a plate; 19. a rotating shaft; 20. a rotating wheel; 21. resistance-increasing filler; 22. an elastic bag; 23. a reduction motor; 24. a driving gear; 25. an extension plate; 26. adjusting a rod; 27. a guide bar; 28. a guide cylinder; 29. a buffer spring; 30. a locking ring; 31. an elastic ring; 81. an insulating pad; 82. filling the bladder; 83. an insulating base 84 and a guard band.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a safety protection device for municipal electrical engineering includes a base 1, support rods 2, a foldable ladder stand 3, a jack 5, a ladder 6 and an accidental movement prevention assembly, wherein two sets of the support rods 2 are symmetrically fixed on the base 1, the foldable ladder stand 3 is connected to the middle of the two sets of the support 2 with an adjustable angle,
jacks 5 are fixed on the supporting rod 2, obliquely arranged ascending ladders 6 are fixed at the telescopic ends of the two sets of jacks 5, and the folding ladder 3 or the ascending ladder 6 is selectively used during construction, so that energy conservation is realized under the condition of meeting various implementation situations;
and a protective frame 8 is arranged at one end of the ascending ladder 6 far away from the jack 5.
In this embodiment, the below of ascending a height ladder 6 still is provided with two sets of unexpected removal subassemblies of preventing, the setting that unexpected removal subassembly can reciprocate is on guide rail 10, and carries out displacement from top to bottom along with the flexible of the scalable end of jack 5, guide rail 10 is long rectangle, its vertical fixation in the inboard of support arm 9, support arm 9 is fixed in on base 1, and when protection frame 8 moved down unexpectedly, unexpected removal subassembly can slow down this action.
As a preferred embodiment, as shown in fig. 4, an insulating pad 81 is attached to the periphery of the inner wall of the protection frame 8, a filling bag 82 is supported at the bottom of the protection frame 8 by using an insulating base, eighty percent of gravel is filled in the filling bag 82, and two sets of protection belts 84 are further connected to the side wall of the protection frame 8, so that the safety of constructors is guaranteed.
In this embodiment, as shown in fig. 1, the accidental movement preventing assembly includes a mounting seat 11, a supporting arm 12, a connecting claw 13, a first guiding assembly 14 and a second guiding assembly 15, wherein the supporting arm 12 is fixed at the top of the mounting seat 11, the other end of the supporting arm 12 is connected to the ascending ladder 6 by the connecting claw 13, two sets of the first guiding assemblies 14 are symmetrically arranged at the bottom of the mounting seat 11, and the second guiding assembly 15 is further arranged between the two sets of the first guiding assemblies 14 so as to guide the ascending ladder from three directions of the guide rail 10.
In this embodiment, as shown in fig. 2, each of the first guide assembly 14 and the second guide assembly 15 includes a top plate 17, a mounting plate 18, a rotating shaft 19, a rotating wheel 20, an extending plate 25, an adjusting rod 26, and a guide rod 27, where the top plate 17 is fixed at the bottom of the mounting base 11, two sets of mounting plates 18 are hinged below the top plate 17, the rotating shaft 19 is rotatably disposed between the two sets of mounting plates 18, and the rotating wheel 20 is coaxially fixed on the outer surface of the rotating shaft 19;
an extension plate 25 is further fixed on one side below the top plate 17, an adjusting rod 26 is fixed on the extension plate 25, the output end of the adjusting rod 26 penetrates through the extension plate 25 and is connected with a guide rod 27, the adjusting rod 26 can be an electric telescopic rod or a hydraulic cylinder, the guide rod 27 extends into a guide cylinder 28 in a sliding mode, a spring is arranged between the guide rod 27 and the guide cylinder 28, and the guide cylinder 28 is fixed between the two sets of mounting plates 28, so that continuous and stable acting force is provided for the rotating wheel to be attached to the guide rail;
a buffer spring 29 sleeved outside the guide rod 27 is further arranged between the outside of the guide cylinder 28 and the extension plate 25.
As a preferred embodiment, a driving gear 24 is rotatably disposed between two sets of the mounting plates 18, the driving gear 24 is in transmission connection with a driven gear by a chain, the driven gear is coaxially fixed on the rotating shaft 19, the driving gear 24 is driven by a reduction motor 23 fixed outside the mounting plates 18, and when the protective frame 8 moves down unexpectedly, the reduction motor 23 drives the driving gear 24 to drive the rotating wheel 20 to rotate counterclockwise, so as to form a tendency of climbing up, in a specific implementation, when the ascending ladder 6 is lifted up by the jack 5, the ascending ladder 6 drives the first guiding assembly and the second guiding assembly to move upward together, at this time, the rotating wheel 20 rotates along with the driving gear to provide guidance for the ascending ladder, and when the movement stops, the adjusting rod 26 drives the rotating wheel 20 to be attached to the guide rail, so as to provide auxiliary locking, and when the protective frame 8 is detected to move down unexpectedly, the adjusting rod 26 is restored to the initial state to prevent the slipping phenomenon caused by the locking due to the excessive pressure between the runner 20 and the guide rail, and the reducing motor drives the driving gear 24 to drive the runner 20 to rotate counterclockwise to form the upward climbing trend, so that the unexpected sliding action is slowed down.
In a preferred embodiment, the rotating wheel 20 in the first guiding assembly 14 faces the front or back of the guide rail 10, and an elastic bag 22 is coaxially arranged on the outer circumference of the rotating wheel 20 in the first guiding assembly 14, and a resistance-increasing filler 21 is filled between the elastic bag 22 and the rotating wheel 20.
In a preferred embodiment, the rotating wheel 20 of the second guiding assembly faces the side surface of the guide rail 10, and a locking ring 30 is coaxially disposed on the outer circumference of the rotating wheel 20 of the second guiding assembly, the cross section of the locking ring 30 is groove-shaped, and the groove is trapezoidal, and is used for respectively locking three surfaces of the guide rail 10, and an elastic ring 31 is coaxially fixed on the outer circumference of the locking ring 30.
As a preferred embodiment, the end of the ascending ladder 6 far away from the jack 5 is connected with a protective frame 8 by using a telescopic rod 7, and the top of the support rod 2 is further fixed with a protective hook 4.
In a preferred embodiment, an auxiliary connecting rod 16 is further connected between the supporting arm 12 and the telescopic rod 7.
When the municipal electrical engineering construction is carried out, the device is moved to a corresponding position, and the folding ladder stand 3 or the ascending ladder 6 is selectively used, so that energy conservation is realized under the condition of meeting various implementation situations, when the ascending ladder 6 is selected to be used and a jack is required to convey the ascending ladder 6 to a corresponding height, the ascending ladder 6 drives the first guide assembly and the second guide assembly to move upwards together, the rotating wheel 20 rotates along with the first guide assembly and provides guide for the ascending ladder, when the movement is stopped, the adjusting rod 26 drives the rotating wheel 20 to be attached to the guide rail so as to provide auxiliary locking, when the protection frame 8 is detected to move downwards accidentally, the adjusting rod 26 is restored to the initial state, the phenomenon of locking and slipping caused by overlarge pressure between the rotating wheel 20 and the guide rail is prevented, and the reducing motor drives the driving gear 24 to drive the rotating wheel 20 to rotate anticlockwise so as to form an upward climbing trend, therefore, the unexpected sliding action is slowed down, the overall safety is improved, and the safety of constructors is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. The utility model provides a safety device that municipal electrical engineering used which characterized in that: which comprises a base (1), supporting rods (2), folding crawling ladders (3), a jack (5), a climbing ladder (6) and an accidental moving prevention component, wherein two groups of the supporting rods (2) are symmetrically fixed on the base (1), the middle parts of the two groups of the supporting rods (2) are connected with the folding crawling ladders (3) in an angle-adjustable manner,
jacks (5) are fixed on the supporting rod (2), ascending ladders (6) which are obliquely arranged are jointly fixed at the telescopic ends of the two groups of jacks (5), and the folding ladder (3) or the ascending ladders (6) are selectively used during construction;
one end of the ascending ladder (6) far away from the jack (5) is provided with a protective frame (8).
2. The safety device for municipal electrical engineering according to claim 1, wherein: the below of ladder of ascending a height (6) still is provided with two sets of unexpected removal subassemblies of preventing, the setting that unexpected removal subassembly can reciprocate is on guide rail (10), and carries out displacement from top to bottom along with the flexible of the scalable end of jack (5), guide rail (10) are long rectangular, and its vertical fixation is in the inboard of support arm (9), support arm (9) are fixed in on base (1), and when protection frame (8) accident moved down, unexpected removal subassembly can slow down this action.
3. The safety device for municipal electrical engineering according to claim 1, wherein: the inner wall of protection frame (8) is pasted all around and is had insulating pad (81), the bottom of protection frame (8) adopts the insulating base to support has filled bag (82), the inside packing of filling bag (82) has eighty percent gravel, the lateral wall of protection frame (8) still is connected with two sets of protecting band (84).
4. The safety device for municipal electrical engineering according to claim 2, wherein: the anti-accidental moving assembly comprises a mounting seat (11), a supporting arm (12), a connecting claw (13), a first guiding assembly (14) and a second guiding assembly (15), wherein the supporting arm (12) is fixed at the top of the mounting seat (11), the other end of the supporting arm (12) is connected with the ascending ladder (6) through the connecting claw (13), two sets of first guiding assemblies (14) are symmetrically arranged at the bottom of the mounting seat (11), and the second guiding assembly (15) is further arranged between the two sets of first guiding assemblies (14) so as to guide from three directions of the guide rail (10).
5. A safety shield for municipal electrical engineering according to claim 4, wherein: the guide assembly I (14) and the guide assembly II (15) respectively comprise a top plate (17), mounting plates (18), rotating shafts (19), rotating wheels (20), extension plates (25), adjusting rods (26) and guide rods (27), wherein the top plate (17) is fixed at the bottom of the mounting base (11), two groups of mounting plates (18) are hinged below the top plate (17), the rotating shafts (19) are rotatably arranged between the two groups of mounting plates (18), and the rotating wheels (20) are coaxially fixed on the outer surfaces of the rotating shafts (19);
an extension plate (25) is further fixed on one side below the top plate (17), an adjusting rod (26) is fixed on the extension plate (25), the output end of the adjusting rod (26) penetrates through the extension plate (25) and is connected with a guide rod (27), the guide rod (27) extends into a guide cylinder (28) in a sliding mode, a spring is arranged between the guide rod (27) and the guide cylinder (28), and the guide cylinder (28) is fixed between two groups of mounting plates (28);
a buffer spring (29) sleeved outside the guide rod (27) is further arranged between the outside of the guide cylinder (28) and the extension plate (25).
6. A safety shield for municipal electrical engineering according to claim 5, wherein: it is two sets of still rotate between mounting panel (18) and be provided with driving gear (24), driving gear (24) adopt the chain to link to each other with the driven gear transmission, driven gear coaxial fixation is on pivot (19), just driving gear (24) are by fixing gear motor (23) outside mounting panel (18) and drive, and when protection frame (8) accident moved down, by gear motor (23) drive driving gear (24) drive runner (20) and carry out anticlockwise rotation, form the trend of climbing upward.
7. A safety shield for municipal electrical engineering according to claim 5, wherein: the rotating wheel (20) in the first guide assembly (14) faces the front side or the back side of the guide rail (10), an elastic bag (22) is coaxially arranged on the outer circumference of the rotating wheel (20) in the first guide assembly (14), and resistance increasing filler (21) is filled between the elastic bag (22) and the rotating wheel (20).
8. A safety shield for municipal electrical engineering according to claim 5, wherein: runner (20) of guide assembly two are towards the side of guide rail (10), and the coaxial locking ring (30) of having laid of runner (20) outer circumference in the guide assembly two, the cross section of locking ring (30) is the flute profile, and the recess is trapezoidally for respectively locking the three face of guide rail (10), the coaxial elasticity ring (31) that is fixed with of outer circumference of locking ring (30).
9. A safety shield for municipal electrical engineering according to claim 4, wherein: one end of the ascending ladder (6) far away from the jack (5) is connected with a protective frame (8) through a telescopic rod (7).
10. A safety shield for municipal electrical engineering according to claim 9, wherein: an auxiliary connecting rod (16) is also connected between the supporting arm (12) and the telescopic rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408425.8A CN112573450B (en) | 2020-12-04 | 2020-12-04 | Safety device that municipal administration electrical engineering used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011408425.8A CN112573450B (en) | 2020-12-04 | 2020-12-04 | Safety device that municipal administration electrical engineering used |
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| Publication Number | Publication Date |
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| CN112573450A true CN112573450A (en) | 2021-03-30 |
| CN112573450B CN112573450B (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011408425.8A Active CN112573450B (en) | 2020-12-04 | 2020-12-04 | Safety device that municipal administration electrical engineering used |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148801A (en) * | 2021-04-09 | 2021-07-23 | 上海大学 | Disc type elevator active braking guide shoe |
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| CN108625765A (en) * | 2017-03-22 | 2018-10-09 | 淄博夸克医药技术有限公司 | A kind of multifunction power maintenance ladder |
| CN107589215A (en) * | 2017-09-28 | 2018-01-16 | 合肥航太电物理技术有限公司 | A kind of visual static discharge ignites high-pressure installation |
| US20190119088A1 (en) * | 2017-10-20 | 2019-04-25 | Oshkosh Corporation | Scissor deck access arrangement |
| CN207792629U (en) * | 2017-10-31 | 2018-08-31 | 肥城金威机械有限公司 | Double lifting platform devices for making pressure vessels for the chemical industry product |
| CN209411726U (en) * | 2018-09-26 | 2019-09-20 | 常州一步干燥设备有限公司 | A kind of elevator safety lock |
| CN109160398A (en) * | 2018-11-12 | 2019-01-08 | 杨传前 | A kind of safe lock method of the safety anti-falling device of lift car |
| CN210418839U (en) * | 2019-05-24 | 2020-04-28 | 吴秀生 | Safe energy-saving elevator |
| CN211499714U (en) * | 2019-11-21 | 2020-09-15 | 山东新港模板工程技术股份有限公司 | Attached lifting operation safety protection platform anti-falling device |
| CN211920532U (en) * | 2020-02-19 | 2020-11-13 | 殷彪 | Safety device of elevator for construction |
| CN111908306A (en) * | 2020-08-11 | 2020-11-10 | 浙江蒂尔森电梯有限公司 | Elevator car |
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| CN113148801A (en) * | 2021-04-09 | 2021-07-23 | 上海大学 | Disc type elevator active braking guide shoe |
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