CN113620135A - Doorway warning device for elevator maintenance - Google Patents
Doorway warning device for elevator maintenance Download PDFInfo
- Publication number
- CN113620135A CN113620135A CN202110918451.3A CN202110918451A CN113620135A CN 113620135 A CN113620135 A CN 113620135A CN 202110918451 A CN202110918451 A CN 202110918451A CN 113620135 A CN113620135 A CN 113620135A
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- China
- Prior art keywords
- elevator
- fixed mounting
- doorway
- warning device
- plates
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/23—Posts therefor lateral supporting elements, e.g. braces, tie downs, or cables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F7/22—Means for attaching signs, plates, panels, or boards to a supporting structure for rotatably or swingably mounting, e.g. for boards adapted to be rotated by the wind
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention provides a doorway warning device for elevator maintenance, which relates to the technical field of elevator maintenance and comprises an elevator doorway outer frame, wherein a protection mechanism is arranged inside the elevator doorway outer frame, a warning mechanism is arranged on the outer surface of the protection mechanism, and the protection mechanism comprises two hollow cylinders and a plurality of protection plates. According to the invention, the device is moved to the elevator opening, the two suckers are pulled to two sides according to different elevator widths, the adjusting rod is rotated, the two connecting strips are extruded through the two hollow blocks, air in the suckers is discharged, the two suckers are connected with two sides of the inner wall of the elevator opening outer frame, the plurality of protection plates are pulled through the two connecting rods, and the protection plates are connected with the plurality of connecting springs through the plurality of telescopic rods and drive the two extending rods to slide in the blocking blocks, so that the elevator opening outer frame can be installed according to the widths of different elevator opening outer frames, and a certain protection effect is achieved.
Description
Technical Field
The invention relates to the technical field of elevator maintenance, in particular to a doorway warning device for elevator maintenance.
Background
The elevator, indicate power drive, utilize the box of rigid guide rail operation or follow the step of fixed line operation (mark time), go up and down or parallel transport people, the electromechanical device of goods, when the elevator need be maintained, generally can place warning device at the elevator mouth, but current warning device is when carrying out the use, can remove at will, be difficult to play the guard action, and be difficult to play the effect of blockking after removing, still can occupy elevator mouth passageway space, inconvenient resident goes on a journey, current warning device does not have fixed device, be difficult to play the warning effect to the resident after being removed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, play a certain role in protection, prevent residents from entering the elevator by mistake for blocking, and do not occupy the passageway space of an elevator entrance and play a role in warning the residents. The practicability of the device is improved.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a gate warning device is used in elevator maintenance, includes the elevator mouth frame, the inside of elevator mouth frame is provided with protection machanism, protection machanism's surface is provided with warning mechanism.
Protection machanism includes two hollow cylinder and a plurality of guard plate, two the equal fixed mounting in one side that hollow cylinder carried on the back mutually has the sucking disc, two the equal fixed mounting in one side that the sucking disc is relative has the connecting strip, two the equal movable sleeve in one side that the connecting strip is relative has hollow block, two the equal movable sleeve in surface of hollow block is equipped with the regulation pole, two the inside activity that the regulation pole is close to one side inlays and is equipped with fixed round bar, two the connecting rod, two all is installed through the bearing in one side that hollow cylinder is relative the equal fixed mounting in surface of connecting rod has first gear, and is a plurality of the equal fixed mounting in one side that the guard plate surface is close to top and bottom has the telescopic link, and is a plurality of the opposite side of the equal fixed mounting of the other end of telescopic link has a plurality of guard plates.
Preferably, the warning mechanism includes two connecting blocks, two the equal fixed mounting in inside of connecting block has fixed cylinder, two fixed cylinder's surface all has the warning sign, two through distortion spring fixed mounting fixed cylindrical's the equal fixed mounting in rear surface has the fixed plate.
Preferably, two T type spout, two have all been seted up to the inside of fixed plate the equal fixed mounting in fixed cylinder's rear surface has two fixed blocks, and is a plurality of the fixed block evenly falls into two sets ofly, two sets of the equal fixed mounting in the relative one side of fixed block has buffer spring.
Preferably, the other ends of the buffer springs are fixedly provided with auxiliary plates, the auxiliary plates are averagely divided into two groups, racks are fixedly arranged on one sides of the outer surfaces of the two groups of auxiliary plates, and rectangular through holes matched with the warning board are formed in the opposite sides of the two buffer springs.
Preferably, two the equal fixed mounting in hollow cylinder's rear surface has sliding base, two sliding base's the equal slip of inside inlays and is equipped with the slide bar, two the equal fixed mounting in one side that the slide bar is relative has the connection disc, two the extension rod is all installed through the bearing in one side that the connection disc is relative.
Preferably, two the equal movable sleeve of surface that the extension rod is close to both ends is equipped with blocks the piece, two the equal fixed mounting of one end that the extension rod is relative has the stopper, two the extension rod is close to the equal fixed cover of surface of back of the body one end mutually and is equipped with the second gear, two the equal fixed mounting of center department of one side that the back of the body was mutually carried on the second gear has compression spring, two the equal fixed mounting in one side that two connection discs are relative of one side that compression spring carried on the back mutually.
Preferably, two equal fixed mounting in one side that the connecting rod is relative is in the center department that wherein two guard plates carried on the back one side mutually, two first gear and two second gears intermeshing respectively, and are a plurality of the equal movable sleeve in surface of telescopic link is equipped with connecting spring, and is a plurality of the equal fixed mounting in connecting spring both ends is at the both ends of guard plate surface.
Preferably, two equal fixed mounting in hollow cylinder's positive surface has T type sliding block, two equal slip of T type sliding block inlays and establishes in the inside of two fixed plates, two first gear respectively with two rack intermeshing.
Compared with the prior art, the invention has the advantages and positive effects that,
1. according to the invention, the device is moved to the elevator opening, the two suckers are pulled to two sides according to different elevator widths, the adjusting rod is rotated, the two connecting strips are extruded through the two hollow blocks, air in the suckers is discharged, the two suckers are connected with two sides of the inner wall of the elevator opening outer frame, the plurality of protection plates are pulled through the two connecting rods, and the protection plates are connected with the plurality of connecting springs through the plurality of telescopic rods and drive the two extending rods to slide in the blocking blocks, so that the elevator opening outer frame can be installed according to the widths of different elevator opening outer frames, and a certain protection effect is achieved.
2. According to the invention, when children or pets do not pay attention to push the protection plates, the protection plates rotate anticlockwise, the two first gears are driven to rotate, the two second gears are respectively meshed with the two first gears, so that the two second gears are driven to rotate, the two extension rods are driven to rotate clockwise on the opposite sides of the two connecting discs, the blocking block is driven to rotate clockwise, the two extension rods are mutually extruded with the protection plates, automatic locking is realized, and the situation that residents mistakenly enter the protection plates to be blocked is further prevented.
3. According to the invention, the device is moved to the elevator port, the two suckers are pulled to two sides according to different elevator widths, the adjusting rod is rotated, the two connecting strips are extruded through the two hollow blocks, and air in the suckers is discharged, so that the two suckers are connected with two sides of the inner wall of the elevator port outer frame, the passageway space of the elevator port cannot be occupied, and the practicability of the device is improved.
4. According to the invention, after the protection plates are unfolded, the warning board is driven to move on the two fixed cylinders through the two torsion springs, so that the warning board can be unfolded, and the warning effect on residents is achieved.
5. In the invention, when one side of the plurality of protection plates is extruded, the plurality of protection plates rotate through the connecting rod to drive the two first gears to rotate and drive the two racks to rotate, the two racks drive the two auxiliary plates to move up and down to drive the buffer springs to pull the fixing blocks to move up and down, at the moment, the two T-shaped sliding blocks slide in the two T-shaped sliding grooves, and through the arrangement of the two buffer springs, the two connecting blocks can shake and can drive the warning board to shake, so that the purpose of further reminding residents of forbidding entering is achieved.
Drawings
Fig. 1 is a schematic structural view of a front view portion of a door warning device for elevator maintenance according to the present invention;
fig. 2 is a schematic front view of a doorway warning device for elevator maintenance according to the present invention;
fig. 3 is a schematic top view of a sliding base of a doorway warning device for elevator maintenance according to the present invention;
FIG. 4 is a schematic diagram of the inner part of a hollow cylinder of a door warning device for elevator maintenance according to the present invention;
fig. 5 is a schematic rear view of a connecting block of a doorway warning device for elevator maintenance according to the present invention;
fig. 6 is an enlarged view of a point a in fig. 2 of a doorway warning device for elevator maintenance according to the present invention.
Illustration of the drawings:
1. an elevator entrance outer frame; 2. a protection mechanism; 201. a hollow cylinder; 202. a protection plate; 203. a telescopic rod; 204. adjusting a rod; 205. a connecting spring; 206. a sliding base; 207. a slide bar; 208. connecting the disks; 209. a second gear; 210. a blocking block; 211. a limiting block; 212. an extension rod; 213. a compression spring; 214. a suction cup; 215. a first gear; 216. fixing the round rod; 217. a connecting strip; 218. a hollow block; 3. a warning mechanism; 301. a warning board; 302. a fixing plate; 303. a T-shaped chute; 304. a rack; 305. a fixed block; 306. an auxiliary plate; 307. connecting blocks; 308. a buffer spring; 309. fixing the cylinder; 310. t type slider.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Embodiment 1, as shown in fig. 1 to 6, the invention provides a doorway warning device for elevator maintenance, which includes an elevator doorway frame 1, a protection mechanism 2 disposed inside the elevator doorway frame 1, and a warning mechanism 3 disposed on an outer surface of the protection mechanism 2.
The following description specifically describes the specific arrangement and function of the protection mechanism 2 and the warning mechanism 3.
As shown in fig. 1-6, the protection mechanism 2 includes two hollow cylinders 201 and a plurality of protection plates 202, suction cups 214 are fixedly installed on opposite sides of the two hollow cylinders 201, connecting bars 217 are fixedly installed on opposite sides of the two suction cups 214, hollow blocks 218 are fixedly installed on opposite sides of the two connecting bars 217, adjusting rods 204 are movably sleeved on outer surfaces of the two hollow blocks 218, fixed round rods 216 are movably embedded in the two adjusting rods 204 near one side, connecting rods are installed on opposite sides of the two hollow cylinders 201 through bearings, first gears 215 are fixedly installed on outer surfaces of the two connecting rods, telescopic rods 203 are fixedly installed on one sides of the outer surfaces of the protection plates 202 near the top and the bottom, the other ends of the telescopic rods 203 are fixedly installed on the other sides of the protection plates 202, sliding bases 206 are fixedly installed on rear surfaces of the two hollow cylinders 201, sliding rods 207 are respectively and slidably embedded in the two sliding bases 206, connecting discs 208 are respectively and fixedly installed on the opposite sides of the two sliding rods 207, extending rods 212 are respectively installed on the opposite sides of the two connecting discs 208 through bearings, blocking blocks 210 are respectively and movably sleeved on the outer surfaces of the two extending rods 212 close to the two ends, limiting blocks 211 are respectively and fixedly installed on the opposite ends of the two extending rods 212, second gears 209 are respectively and fixedly installed on the outer surfaces of the two extending rods 212 close to the opposite ends, compression springs 213 are respectively and fixedly installed at the centers of the opposite sides of the two second gears 209, the opposite sides of the two compression springs 213 are respectively and fixedly installed on the opposite sides of the two connecting discs 208, the opposite sides of the two connecting rods are respectively and fixedly installed at the centers of the opposite sides of the two protection plates 202, and the two first gears 215 are respectively and mutually meshed with the two second gears 209, the outer surface of a plurality of telescopic links 203 is all movably sleeved with connecting spring 205, and the both ends of a plurality of connecting springs 205 are all fixedly mounted at the both ends of the outer surface of the protection plate 202.
The whole protection mechanism 2 has the effects that when the protection mechanism is used, the device is moved to an elevator opening, two suckers 214 are pulled to two sides according to different elevator widths, an adjusting rod 204 is rotated, two connecting strips 217 are extruded through two hollow blocks 218, air in the suckers 214 is discharged, the two suckers 214 are connected with two sides of the inner wall of the elevator opening outer frame 1, a plurality of protection plates 202 are pulled through two connecting rods, because the protection plates 202 are connected with a plurality of connecting springs 205 through a plurality of telescopic rods 203 and two extending rods 212 are driven to slide in a blocking block 210, the protection effect is achieved, when children or pets do not push the protection plates 202, the protection plates 202 rotate anticlockwise, at the moment, the two first gears 215 are driven to rotate, and because the two second gears 209 are respectively meshed with the two first gears 215, thereby drive two second gears 209 and rotate to drive two extension rods 212 clockwise rotation in the relative one side of two connection discs 208, thereby drive and block piece 210 and rotate clockwise, extrude each other with a plurality of guard plates 202, play automatic locking.
As shown in fig. 1 to 6, the warning mechanism 3 includes two connecting blocks 307, fixing cylinders 309 are fixedly installed inside the two connecting blocks 307, warning boards 301 are fixedly installed on the outer surfaces of the two fixing cylinders 309 through torsion springs, fixing plates 302 are fixedly installed on the rear surfaces of the two fixing cylinders 309, T-shaped chutes 303 are formed inside the two fixing plates 302, two fixing blocks 305 are fixedly installed on the rear surfaces of the two fixing cylinders 309, the fixing blocks 305 are divided into two groups, the two fixing blocks 305 are divided into two groups, buffer springs 308 are fixedly installed on the opposite sides of the two fixing blocks 305, auxiliary plates 306 are fixedly installed on the other ends of the buffer springs 308, the auxiliary plates 306 are divided into two groups, racks 304 are fixedly installed on the outer surfaces of the two groups of auxiliary plates 306, rectangular through holes matched with the warning boards 301 are formed on the opposite sides of the two buffer springs 308, the front surfaces of the two hollow cylinders 201 are fixedly provided with T-shaped sliding blocks 310, the two T-shaped sliding blocks 310 are embedded in the two fixing plates 302 in a sliding manner, and the two first gears 215 are meshed with the two racks 304 respectively.
The whole warning mechanism 3 achieves the effect that after a plurality of protection plates 202 are unfolded, the warning board 301 is driven to move on two fixed cylinders 309 through two torsion springs, so that the warning board 301 can be unfolded to warn the residents, when one side of the plurality of protection plates 202 is pressed, the plurality of guard plates 202 rotate through the connecting rods, driving the two first gears 215 to rotate, and drives the two racks 304 to rotate, the two racks 304 drive the two auxiliary plates 306 to move up and down, the buffer spring 308 is driven to pull the fixed block 305 to move up and down, at the moment, the two T-shaped sliding blocks 310 slide in the two T-shaped sliding grooves 303, through the setting of two buffer springs 308, can make two connecting blocks 307 shake to can drive warning sign 301 and shake, reach and further remind the resident to forbid the entering.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (8)
1. The utility model provides a gate warning device is used in elevator maintenance, includes elevator mouth frame (1), its characterized in that: a protection mechanism (2) is arranged inside the elevator port outer frame (1), and a warning mechanism (3) is arranged on the outer surface of the protection mechanism (2);
the protection mechanism (2) comprises two hollow cylinders (201) and a plurality of protection plates (202), suction cups (214) are fixedly mounted on one sides of the two hollow cylinders (201) in a back-to-back mode, connecting strips (217) are fixedly mounted on the opposite sides of the two suction cups (214), hollow blocks (218) are fixedly mounted on the opposite sides of the two connecting strips (217), adjusting rods (204) are movably sleeved on the outer surfaces of the two hollow blocks (218), fixed round rods (216) are movably embedded in the inner portions, close to one sides, of the two adjusting rods (204), connecting rods are mounted on the opposite sides of the two hollow cylinders (201) through bearings, first gears (215) are fixedly mounted on the outer surfaces of the two connecting rods, and protection plates (203) are fixedly mounted on one sides, close to the top and the bottom, of the outer surfaces of the plurality of protection plates (202), the other ends of the telescopic rods (203) are fixedly provided with the other sides of the protection plates (202).
2. A doorway warning device for elevator maintenance according to claim 1, wherein: warning mechanism (3) include two connecting blocks (307), two the equal fixed mounting in inside of connecting block (307) has fixed cylinder (309), two the surface of fixed cylinder (309) all has warning sign (301), two through torsion spring fixed mounting the equal fixed mounting in rear surface of fixed cylinder (309) has fixed plate (302).
3. A doorway warning device for elevator maintenance according to claim 2, wherein: two T type spout (303) have all been seted up to the inside of fixed plate (302), two the equal fixed mounting of the rear surface of fixed cylinder (309) has two fixed blocks (305), and is a plurality of fixed block (305) averagely divide into two sets ofly, two sets of equal fixed mounting in the relative one side of fixed block (305) has buffer spring (308).
4. A doorway warning device for elevator maintenance according to claim 3, wherein: auxiliary plates (306) are fixedly mounted at the other ends of the buffer springs (308), the auxiliary plates (306) are averagely divided into two groups, racks (304) are fixedly mounted on one sides of the outer surfaces of the two groups of auxiliary plates (306), and rectangular through holes matched with the warning board (301) are formed in the opposite sides of the two buffer springs (308).
5. A doorway warning device for elevator maintenance according to claim 1, wherein: two the equal fixed mounting in rear surface of hollow cylinder (201) has sliding base (206), two the inside of sliding base (206) all slides and inlays and be equipped with slide bar (207), two the equal fixed mounting in one side that slide bar (207) is relative has connecting disc (208), two connecting disc (208) relative one side all installs extension rod (212) through the bearing.
6. A doorway warning device for elevator maintenance according to claim 5, wherein: two the equal movable sleeve of surface that extension rod (212) are close to both ends is equipped with stopper (210), two the equal fixed mounting of one end that extension rod (212) is relative has stopper (211), two the outer surface that extension rod (212) are close to mutually the back of the body one end all fixes the cover and is equipped with second gear (209), two the equal fixed mounting of center department of one side that the back of the body was mutually carried on second gear (209) has compression spring (213), two the equal fixed mounting in one side that two connection discs (208) are relative in one side that compression spring (213) carried on the back mutually.
7. A doorway warning device for elevator maintenance according to claim 6, wherein: two equal fixed mounting in one side that the connecting rod is relative is in the center department of wherein two guard plates (202) one side of the back of the body mutually, two first gear (215) and two second gears (209) intermeshing respectively, it is a plurality of the equal movable sleeve in surface of telescopic link (203) is equipped with connecting spring (205), and is a plurality of the equal fixed mounting in both ends of guard plate (202) surface in connecting spring (205) both ends.
8. A doorway warning device for elevator maintenance according to claim 4, wherein: the front surfaces of the two hollow cylinders (201) are fixedly provided with T-shaped sliding blocks (310), the T-shaped sliding blocks (310) are embedded in the two fixing plates (302) in a sliding mode, and the first gears (215) are meshed with the two racks (304) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918451.3A CN113620135B (en) | 2021-08-11 | 2021-08-11 | Doorway warning device for elevator maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918451.3A CN113620135B (en) | 2021-08-11 | 2021-08-11 | Doorway warning device for elevator maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113620135A true CN113620135A (en) | 2021-11-09 |
| CN113620135B CN113620135B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110918451.3A Active CN113620135B (en) | 2021-08-11 | 2021-08-11 | Doorway warning device for elevator maintenance |
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| CN106939726A (en) * | 2017-02-28 | 2017-07-11 | 国网安徽省电力公司检修公司 | A kind of spliced movable safety fence |
| CN207618814U (en) * | 2017-11-20 | 2018-07-17 | 康达电梯有限公司 | A kind of novel elevator repair warning sign |
| CN109736632A (en) * | 2019-01-16 | 2019-05-10 | 长沙伯劳智能科技有限公司 | A kind of power construction equipment safety guide rail |
| CN211594660U (en) * | 2019-01-24 | 2020-09-29 | 浙江省质量技术监督教育培训中心 | Novel scalable rail guard for elevator |
| CN210032887U (en) * | 2019-05-07 | 2020-02-07 | 杭州雲鼎电梯工程有限公司 | Prevent moving elevator and overhaul guardrail |
| CN112647756A (en) * | 2019-10-11 | 2021-04-13 | 湖北云盘机电设备有限公司 | Warning protective railing for elevator shaft |
| CN112645169A (en) * | 2019-10-11 | 2021-04-13 | 湖北云盘机电设备有限公司 | Warning protector for elevator |
| CN212201563U (en) * | 2020-03-31 | 2020-12-22 | 丁江岭 | Warning fence for construction site of building engineering |
| CN212832225U (en) * | 2020-07-19 | 2021-03-30 | 武汉尚厦楼层设备有限公司 | Safety warning device is used in elevator maintenance |
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|---|---|
| CN113620135B (en) | 2022-09-27 |
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