CN113479741B - Steel rope maintenance oiling device for elevator maintenance and use method thereof - Google Patents
Steel rope maintenance oiling device for elevator maintenance and use method thereof Download PDFInfo
- Publication number
- CN113479741B CN113479741B CN202110780848.0A CN202110780848A CN113479741B CN 113479741 B CN113479741 B CN 113479741B CN 202110780848 A CN202110780848 A CN 202110780848A CN 113479741 B CN113479741 B CN 113479741B
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- Prior art keywords
- maintenance
- steel rope
- dust
- filter screen
- support
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1253—Lubricating means
- B66B7/1261—Lubricating means specially adapted for ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1276—Cleaning means
- B66B7/1284—Cleaning means specially adapted for ropes or cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a steel rope maintenance oiling device for elevator maintenance and a use method thereof, relates to the technical field of elevator maintenance, and aims to solve the problem that the existing steel rope maintenance oiling device for elevator maintenance is poor in use effect. The maintenance oil filling tank is installed to the both sides of the inside upper end of maintenance case, the division board is installed to the inside upper end of maintenance oil filling tank, the spray pump is installed to the upper end of division board, the externally mounted of maintenance oil filling tank has the recovery support, the atomizing spray line is installed to one side that the recovery support was kept away from to the spray pump, the return pump is installed to one side that the maintenance oil filling tank is close to the recovery support, the spacing support is installed to one side that the recovery support was kept away from to the maintenance oil filling tank, spacing gyro wheel is installed to one end that the recovery support was kept away from to spacing support.
Description
Technical Field
The invention relates to the technical field of elevator maintenance, in particular to a steel rope maintenance oiling device for elevator maintenance and a use method thereof.
Background
An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. There are also steps, where the tread is mounted on a track for continuous running, commonly known as an escalator or a travelator. A stationary lifting device serving a prescribed floor. The vertical lift elevator has a car running between at least two rows of rigid guide rails that are vertical or have an incline angle of less than 15. The size and the structural form of the lift car are convenient for passengers to get in and out or load and unload cargoes. Traditionally, elevators have been known as vertical transportation means within a building, regardless of the manner in which they are driven. When the steel rope used for elevator transmission is used, the steel rope needs to be maintained regularly, and the service life of the steel rope is prolonged.
However, the existing steel rope maintenance oiling device for elevator maintenance has poor use effect; therefore, the existing requirements are not met, and a steel rope maintenance oiling device for elevator maintenance and a use method thereof are provided.
Disclosure of Invention
The invention aims to provide a steel rope maintenance oiling device for elevator maintenance and a use method thereof, which are used for solving the problem that the steel rope maintenance oiling device for elevator maintenance is poor in use effect in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a steel cable maintenance oiling device for elevator maintenance, includes the maintenance case, the maintenance is annotated the oil tank all is installed to the both sides of maintenance incasement portion upper end, the division board is installed to the inside upper end of maintenance annotating the oil tank, the spray pump is installed to the upper end of division board, the externally mounted who maintains the oil tank is annotated the oil tank has the recovery support, the spray pump is kept away from one side of recovery support and is installed atomizing spray pipe, the maintenance is annotated the oil tank and is close to one side of recovery support and install the backwash pump, the maintenance is annotated the oil tank and is kept away from one side of recovery support and install spacing support, spacing gyro wheel is installed to spacing support one end of keeping away from the recovery support, the pipeline is installed to the lower extreme of backwash pump, the installing support is installed to the inside lower extreme of maintenance incasement portion, the internally mounted of installing support has the deashing section of thick bamboo, the inside of deashing section of thick bamboo is provided with the brush hair.
Preferably, the internally mounted of installing support upper end one side has the clearance lead screw, the externally mounted of clearance lead screw has the movable block, the fixed plate is installed to the lower extreme of movable block, the plectrum is installed to the lower extreme of fixed plate, the internally mounted of movable block has the slide shaft, the internally mounted of installing support one side has the clearance motor, the clearance motor passes through the coupling joint with the clearance lead screw.
Preferably, the internally mounted of installing support one side has the inhale the waste gas pump, inhale waste gas pump and installing support fixed connection, the internally mounted of installing support one side has the filter screen, the internally mounted of filter screen has spacing axle.
Preferably, the rear ends of the two sides of the maintenance box are provided with mounting plates, and the mounting plates are fixedly connected with the maintenance box.
Preferably, a baffle is installed on one side of the lower end of the fixing plate, and the baffle is fixedly connected with the fixing plate.
Preferably, the other side of installing support upper end is installed the drive gear axle, the drive gear axle passes through the bearing with the installing support and is connected, the internally mounted of installing support opposite side has driving motor, driving motor passes through the coupling joint with the drive gear axle.
Preferably, the upper end of the outer part of the ash cleaning barrel is provided with a transmission tooth which is fixedly connected with the ash cleaning barrel, and the outer part of the maintenance box is provided with a control box.
The application method of the steel rope maintenance oiling device for elevator maintenance comprises the following steps:
step one: the steel rope is slowly rolled up by the elevator rolling mechanism, the driving motor drives the driving gear shaft to rotate, so that the ash cleaning barrel is driven to rotate through the driving gear, and dust outside the steel rope is brushed down by utilizing dust brushing inside the ash cleaning barrel;
step two: in the brushing process, the waste suction pump sucks the brushed dust into the mounting bracket, the dust is separated from air under the action of the filter screen, the air is directly discharged out of the device, the dust is left on one side of the filter screen, when the dust on one side of the filter screen is excessively accumulated, the cleaning screw rod rotates to drive the moving block to move, the shifting sheet pushes the filter screen to move, the dust and the filter screen to be cleaned are simultaneously pushed to one side of the ash cleaning barrel, and the stability of the dust and air separation effect in the device is ensured;
step three: the spray pump evenly sprays the fluid outside the steel rope through atomizing spray pipe, and the fluid that is located the steel rope contact mostly falls on the recovery support lower extreme, is taken in again by the backwash pump and maintains the oil filling tank inside for reuse, and a small amount of a part fluid falls into ash cleaning barrel inside and brush dust hair contact, nourish the brush dust hair, improve the life of brush dust hair.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the atomized spray pipeline is arranged, so that oil can be uniformly sprayed outside the steel rope, no contact with the steel rope exists, dust outside the steel rope can not block the atomized spray pipeline, the device is more comfortable to use, and the later period does not need to be subjected to multi-dimensional maintenance, so that the labor capacity of workers is reduced, the oil can be recovered by arranging the reflux pump, waste is avoided, the use effect of the device is improved, the limit roller is arranged to prevent the steel rope from shaking, the practicability of the device is improved, dust outside the steel rope can be brushed off by arranging the dust brush hair, the oil outside the steel rope is uniformly smeared, the use effect of the device is improved, meanwhile, the dust brush hair is prevented from being damaged due to friction, the service life of the dust brush hair is prolonged, the dust brush hair and the atomized spray pipeline are in a synergistic effect, the aim of oiling and maintenance of the steel rope is fulfilled, meanwhile, the dust brush hair is prevented from being damaged, and the practicability of the device is improved;
2. according to the invention, the filter screen can be pushed to move by installing the shifting sheet, dust and sundries on one side of the filter screen are pushed to one side of the brush dust together with the filter screen to be cleaned, so that the dust and sundries are prevented from blocking the device, the practicability of the device is improved, the filter screen can be installed to play a role in filtering, the completeness of the functionality of the device is ensured, and the shifting sheet can be limited by installing the blocking sheet, so that the filter screen can be pushed to move.
Drawings
Fig. 1 is a three-dimensional perspective view of a steel rope maintenance oiling device for elevator maintenance according to the present invention;
fig. 2 is a schematic structural view of a steel rope maintenance oiling device for elevator maintenance according to the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
FIG. 4 is a three-dimensional perspective view of the ash removal cartridge of the present invention;
fig. 5 is a three-dimensional perspective view of the limit roller of the present invention.
In the figure: 1. a maintenance box; 2. maintaining the oil filling tank; 3. a partition plate; 4. a spray pump; 5. a reflux pump; 6. recovering the bracket; 7. a limit bracket; 8. limiting idler wheels; 9. an atomizing spray pipe; 10. a control box; 11. a mounting bracket; 12. a dust removing cylinder; 13. brushing ash hair; 14. a drive gear shaft; 15. a driving motor; 16. a waste gas sucking pump; 17. a drive tooth; 18. a filter screen; 19. a limiting shaft; 20. a mounting plate; 21. cleaning a screw rod; 22. a slide shaft; 23. a moving block; 24. a fixing plate; 25. cleaning a motor; 26. a pulling piece; 27. a baffle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, an embodiment of the present invention is provided: the steel rope maintenance oiling device for elevator maintenance comprises a maintenance box 1, wherein maintenance oiling boxes 2 are respectively arranged at two sides of the upper end inside the maintenance box 1, the maintenance oiling boxes 2 are fixedly connected with the maintenance box 1, a separation plate 3 is arranged at the upper end inside the maintenance oiling boxes 2, the separation plate 3 is fixedly connected with the maintenance oiling boxes 2, a spray pump 4 is arranged at the upper end of the separation plate 3, the spray pump 4 is fixedly connected with the separation plate 3, a recovery bracket 6 is arranged outside the maintenance oiling boxes 2, the recovery bracket 6 is fixedly connected with the maintenance oiling boxes 2, an atomization spray pipeline 9 is arranged at one side of the spray pump 4 far away from the recovery bracket 6, oil can be uniformly sprayed outside the steel rope without any contact with the steel rope, dust outside the steel rope can not block the atomization spray pipeline 9, the device is more convenient to use, and the device does not need to be subjected to multi-maintenance in the later period, the labor capacity of workers is reduced, the atomizing spray pipeline 9 is fixedly connected with the spray pump 4, the reflux pump 5 is arranged on one side of the maintenance injection oil tank 2, which is close to the recovery bracket 6, the reflux pump 5 is arranged to recover oil, waste is avoided, the use effect of the device is increased, the reflux pump 5 is fixedly connected with the maintenance injection oil tank 2, the limit bracket 7 is arranged on one side of the maintenance injection oil tank 2, which is far away from the recovery bracket 6, the limit roller 8 is arranged on one end of the limit bracket 7, which is far away from the recovery bracket 6, the limit roller 8 is arranged to prevent the steel rope from shaking, the practicability of the device is increased, the limit roller 8 is rotationally connected with the limit bracket 7, the pipeline is arranged at the lower end of the reflux pump 5, the mounting bracket 11 is arranged at the lower end of the inside of the maintenance tank 1, the ash cleaning barrel 12 is arranged in the mounting bracket 11, the ash cleaning barrel 12 is connected with the mounting bracket 11 through a bearing, the inside of deashing section of thick bamboo 12 is provided with brush ash hair 13, and installation brush ash hair 13 can brush down the outside dust of steel cable, evenly paints the outside fluid of steel cable, increases the result of use of device, and the outside fluid of steel cable lubricates brush ash hair 13 simultaneously, prevents brush ash hair 13 because of friction damage, increases the life of brush ash hair 13, brush ash hair 13 and atomizing spray pipe 9 synergism, has not only satisfied the mesh of steel cable oiling maintenance, maintains the device simultaneously, prevents brush ash hair 13 damage, increases the practicality of device, brush ash hair 13 and deashing section of thick bamboo 12 fixed connection.
Further, the internally mounted of installing support 11 upper end one side has clearance lead screw 21, clearance lead screw 21 passes through bearing connection with installing support 11, the externally mounted of clearance lead screw 21 has movable block 23, movable block 23 passes through ball screw nut pair with clearance lead screw 21 and is connected, fixed plate 24 is installed to the lower extreme of movable block 23, fixed plate 24 and movable block 23 fixed connection, plectrum 26 is installed to the lower extreme of fixed plate 24, plectrum 26 and fixed plate 24 swivelling joint, the internally mounted of movable block 23 has slide shaft 22, slide shaft 22 passes through bearing sliding connection with movable block 23, the internally mounted of installing support 11 one side has clearance motor 25, clearance motor 25 passes through the shaft coupling with clearance lead screw 21 and is connected, installation plectrum 26 can promote filter screen 18 and remove, dust debris on one side of filter screen 18 is carried together with filter screen 18 that needs to clear, prevent dust debris blocking device's practicality is increased.
Further, the internally mounted of installing support 11 one side has inhales the waste gas pump 16, inhales waste gas pump 16 and installing support 11 fixed connection, and the internally mounted of installing support 11 one side has filter screen 18, and the internally mounted of filter screen 18 has spacing axle 19, and spacing axle 19 passes through draw-in groove sliding connection with filter screen 18, and filter screen 18 is provided with a plurality of, and installation filter screen 18 can play filterable effect, guarantees the integrality of device functionality.
Further, the mounting plate 20 is all installed to the rear end of maintenance case 1 both sides, mounting plate 20 and maintenance case 1 fixed connection, separation blade 27 is installed to one side of fixed plate 24 lower extreme, separation blade 27 and fixed plate 24 fixed connection, the drive gear axle 14 is installed to the opposite side of installing support 11 upper end, drive gear axle 14 passes through the bearing connection with installing support 11, the internally mounted of installing support 11 opposite side has driving motor 15, driving motor 15 and installing support 11 fixed connection, driving motor 15 passes through the coupling joint with drive gear axle 14, the transmission tooth 17 is installed to the outside upper end of deashing section of thick bamboo 12, transmission tooth 17 and deashing section of thick bamboo 12 fixed connection, the externally mounted of maintenance case 1 has control box 10, control box 10 and maintenance case 1 fixed connection, installation separation blade 27 can play spacing effect to plectrum 26, make it can promote filter screen 18 to remove.
The application method of the steel rope maintenance oiling device for elevator maintenance comprises the following steps:
step one: the steel rope is slowly rolled up by the elevator rolling mechanism, the driving motor 15 drives the driving gear shaft 14 to rotate, so that the ash cleaning barrel 12 is driven to rotate through the transmission gear 17, and dust outside the steel rope is brushed down by utilizing the ash brushing hair 13 inside the ash cleaning barrel 12;
step two: in the brushing process, the waste suction pump 16 sucks the brushed dust into the mounting bracket 11, the dust is separated from air under the action of the filter screen 18, the air is directly discharged out of the device, the dust is left on one side of the filter screen 18, when the dust on one side of the filter screen 18 is excessively accumulated, the cleaning screw rod 21 rotates to drive the moving block 23 to move, the shifting sheet 26 pushes the filter screen 18 to move, the dust and the filter screen 18 to be cleaned are simultaneously pushed to one side of the ash cleaning barrel 12, and the stability of the dust and air separation effect in the device is ensured;
step three: the spray pump 4 evenly sprays the fluid outside the steel rope through the atomizing spray pipeline 9, and the fluid that is located the steel rope contact mostly falls on the lower extreme of retrieving support 6, is taken into the maintenance again by backwash pump 5 and annotates the oil tank 2 inside for reuse, and a small amount of a part of fluid falls into ash removal section of thick bamboo 12 inside and contacts with brush dust hair 13, nourishes brush dust hair 13, improves the life of brush dust hair 13.
Working principle: when in use, the steel rope is slowly rolled by the elevator rolling mechanism, the driving motor 15 drives the driving gear shaft 14 to rotate, thereby driving the ash cleaning barrel 12 to rotate through the transmission gear 17, the ash brushing 13 in the ash cleaning barrel 12 is utilized to brush off the dust outside the steel rope, the waste suction pump 16 sucks the brushed dust into the mounting bracket 11 in the brushing process, the dust is separated from air under the action of the filter screen 18, the air is directly discharged out of the device, the dust is left on one side of the filter screen 18, when the dust on one side of the filter screen 18 is accumulated excessively, the cleaning screw 21 rotates to drive the moving block 23 to move, the plectrum 26 pushes the filter screen 18 to move, the dust and the filter screen 18 to be cleaned are simultaneously pushed to one side of the ash cleaning barrel 12, the stability of the dust and air separation effect in the device is ensured, then the spray pump 4 uniformly sprays the oil liquid outside the steel rope through the atomization spray pipeline 9, the device is provided with the atomizing spray pipeline 9, so that the oil can be uniformly sprayed outside the steel rope without any contact with the steel rope, dust outside the steel rope can not block the atomizing spray pipeline 9, the device is used more easily, the later period does not need to carry out multi-maintenance, the labor capacity of workers is reduced, the oil can be recovered by installing the reflux pump 5, waste is avoided, the use effect of the device is increased, the steel rope can be prevented from shaking by installing the limiting roller 8, the practicability of the device is improved, the dust outside the steel rope can be brushed by installing the brush hair 13, the steel rope external oil is evenly smeared, the using effect of the device is improved, meanwhile, the steel rope external oil lubricates the ash brushing hair 13, the ash brushing hair 13 is prevented from being damaged due to friction, the service life of the ash brushing hair 13 is prolonged, the ash brushing hair 13 and the atomization spraying pipeline 9 cooperate, the steel rope oiling maintenance purpose is met, meanwhile, the device is maintained, the ash brushing hair 13 is prevented from being damaged, the practicability of the device is improved, the installation plectrum 26 can push the filter screen 18 to move, dust and sundries on one side of the filter screen 18 are pushed to one side of the ash brushing hair 13 together with the filter screen 18 needing to be cleaned, the dust and sundries blocking device is prevented, the practicability of the device is improved, the filter screen 18 is installed, the filtering effect is achieved, the completeness of the device functionality is guaranteed, the installation baffle 27 can play a limiting role on the plectrum 26, and the filter screen 18 can be pushed to move.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a steel cable maintenance oiling device for elevator maintenance, includes maintenance case (1), its characterized in that: the utility model discloses a cleaning device, including maintenance case (1), maintenance filling tank (2) are all installed to the both sides of maintenance filling tank (1) inside upper end, division board (3) are installed to the inside upper end of maintenance filling tank (2), spray pump (4) are installed to the upper end of division board (3), the internally mounted of maintenance filling tank (2) has recovery support (6), spray pump (4) are kept away from one side of recovery support (6) and are installed atomizing spray pipe (9), return pump (5) are installed to one side that maintenance filling tank (2) is close to recovery support (6), limit bracket (7) are installed to one side that maintenance filling tank (2) kept away from recovery support (6), limit roller (8) are installed to one end that recovery support (6) was kept away from to limit bracket (7), pipeline is installed to the lower extreme of return pump (5), installation support (11) are installed to the inside lower extreme of maintenance case (1), internally mounted of installation support (11) has a dust removal section of thick bamboo (12), the inside of dust removal section of thick bamboo (12) is provided with brush hair (13), installation support (21) are installed to one side of keeping away from recovery support (6), the end (21) is installed to one side of removal piece (23), plectrum (26) are installed to the lower extreme of fixed plate (24), internally mounted of movable block (23) has slide shaft (22), internally mounted of installing support (11) one side has clearance motor (25), clearance motor (25) pass through coupling joint with clearance lead screw (21), internally mounted of installing support (11) one side has inhale waste gas pump (16), inhale waste gas pump (16) and installing support (11) fixed connection, internally mounted of installing support (11) one side has filter screen (18), the internally mounted of filter screen (18) has spacing axle (19), one side of fixed plate (24) lower extreme is installed separation blade (27), separation blade (27) and fixed plate (24) fixed connection.
2. The steel rope maintenance oiling device for elevator maintenance according to claim 1, wherein: the rear ends of two sides of the maintenance box (1) are provided with mounting plates (20), and the mounting plates (20) are fixedly connected with the maintenance box (1).
3. The steel rope maintenance oiling device for elevator maintenance according to claim 1, wherein: the other side of installing support (11) upper end is installed driving gear axle (14), driving gear axle (14) are connected through the bearing with installing support (11), internally mounted of installing support (11) opposite side has driving motor (15), driving motor (15) pass through coupling joint with driving gear axle (14).
4. The steel rope maintenance oiling device for elevator maintenance according to claim 1, wherein: the dust removing device is characterized in that a transmission tooth (17) is arranged at the upper end of the outer part of the dust removing barrel (12), the transmission tooth (17) is fixedly connected with the dust removing barrel (12), and a control box (10) is arranged at the outer part of the maintenance box (1).
5. A method for using the steel rope maintenance oiling device for elevator maintenance, which is realized based on the steel rope maintenance oiling device for elevator maintenance according to any one of claims 1 to 4, and is characterized by comprising the following steps:
step one: the steel rope is slowly rolled up by the elevator rolling mechanism, the driving motor (15) drives the driving gear shaft (14) to rotate so as to drive the ash cleaning barrel (12) to rotate through the transmission gear (17), and dust outside the steel rope is brushed down by utilizing the ash brushing hair (13) inside the ash cleaning barrel (12);
step two: in the brushing process, the waste suction pump (16) sucks the brushed dust into the mounting bracket (11), the dust is separated from air under the action of the filter screen (18), the air is directly discharged out of the device, the dust is left on one side of the filter screen (18), when the dust on one side of the filter screen (18) is accumulated excessively, the cleaning screw rod (21) rotates to drive the moving block (23) to move, the poking piece (26) pushes the filter screen (18) to move, and the dust and the filter screen (18) to be cleaned are simultaneously pushed to one side of the ash cleaning barrel (12), so that the stability of the dust and air separation effect in the device is ensured;
step three: the spray pump (4) evenly sprays oil outside the steel rope through the atomizing spray pipeline (9), most of oil in steel rope contact falls on the lower end of the recovery support (6), is pumped into the maintenance oil injection tank (2) again by the reflux pump (5) for reuse, and a small amount of part of oil falls into the ash cleaning barrel (12) to be in contact with the ash brushing hair (13), nourish the ash brushing hair (13), and improve the service life of the ash brushing hair (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110780848.0A CN113479741B (en) | 2021-07-09 | 2021-07-09 | Steel rope maintenance oiling device for elevator maintenance and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110780848.0A CN113479741B (en) | 2021-07-09 | 2021-07-09 | Steel rope maintenance oiling device for elevator maintenance and use method thereof |
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| Publication Number | Publication Date |
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| CN113479741A CN113479741A (en) | 2021-10-08 |
| CN113479741B true CN113479741B (en) | 2023-08-15 |
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| CN213011442U (en) * | 2020-09-15 | 2021-04-20 | 徐州华益电梯有限公司 | Portable wire rope maintenance device for elevator |
| CN113060620A (en) * | 2021-04-15 | 2021-07-02 | 谢煜敬 | Maintenance auxiliary device is maintained to elevator |
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2021
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208230493U (en) * | 2018-03-29 | 2018-12-14 | 富士电机（珠海）有限公司 | A kind of integrated dust hood of smelting furnace with automatic clearing function |
| CN208429723U (en) * | 2018-06-26 | 2019-01-25 | 佛山市润辉机电安装有限公司 | A kind of steel wire rope for elevator care device |
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| CN113060620A (en) * | 2021-04-15 | 2021-07-02 | 谢煜敬 | Maintenance auxiliary device is maintained to elevator |
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| CN113479741A (en) | 2021-10-08 |
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