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CN115402898B - Positioning device for correcting azimuth of elevator guide rail - Google Patents

Positioning device for correcting azimuth of elevator guide rail Download PDF

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Publication number
CN115402898B
CN115402898B CN202210463730.XA CN202210463730A CN115402898B CN 115402898 B CN115402898 B CN 115402898B CN 202210463730 A CN202210463730 A CN 202210463730A CN 115402898 B CN115402898 B CN 115402898B
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CN
China
Prior art keywords
guide rail
elevator guide
fixedly connected
azimuth
correcting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210463730.XA
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Chinese (zh)
Other versions
CN115402898A (en
Inventor
黄光�
黄建平
葛春华
唐晓
朱忠伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changjiang Runfa Zhangjiagang Machinery Co ltd
Original Assignee
Changjiang Runfa Zhangjiagang Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changjiang Runfa Zhangjiagang Machinery Co ltd filed Critical Changjiang Runfa Zhangjiagang Machinery Co ltd
Priority to CN202210463730.XA priority Critical patent/CN115402898B/en
Publication of CN115402898A publication Critical patent/CN115402898A/en
Application granted granted Critical
Publication of CN115402898B publication Critical patent/CN115402898B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00Mining-hoist operation
    • B66B19/002Mining-hoist operation installing or exchanging guide rails
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/02Guideways; Guides
    • B66B7/023Mounting means therefor
    • B66B7/027Mounting means therefor for mounting auxiliary devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00Other common features of elevators
    • B66B7/12Checking, lubricating, or cleaning means for ropes, cables or guides
    • B66B7/1207Checking means
    • B66B7/1246Checking means specially adapted for guides
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002Active optical surveying means
    • G01C15/008Active optical surveying means combined with inclination sensor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The invention discloses a positioning device for correcting the azimuth of an elevator guide rail, which relates to the technical field of elevator installation, in particular to a positioning device for correcting the azimuth of an elevator guide rail, comprising an up-and-down moving device, the front of the up-and-down moving device is provided with a limit slide way, the inside of the limit slide way is movably sleeved with a horizontal slide plate, the right end of the horizontal slide plate is fixedly connected with an end block, and the back of the end block is movably sleeved with a correction plate. This positioner is used in elevator guide rail correction position drives first lead screw through servo motor and rotates, can make the slider slide from top to bottom along first lead screw, conveniently adjusts elevator guide rail from top to bottom, makes elevator guide rail place suitable height, is convenient for install elevator guide rail, drives the second lead screw through rotatory hand wheel and rotates, can make the second lead screw move about the inside of spacing slide, and then drives horizontal slide and control the removal, can adjust elevator guide rail's left and right sides position, conveniently fix a position elevator guide rail.

Description

Positioning device for correcting azimuth of elevator guide rail
Technical Field
The invention relates to the technical field of elevator installation, in particular to a positioning device for correcting the azimuth of an elevator guide rail.
Background
An elevator is a permanent transportation device serving a number of specific floors in a building, the car of which runs on at least two rows of rigid rails running perpendicular to the horizontal plane or inclined at an angle of less than 15 ° to the plumb line, modern elevators mainly consist of hoisting machines (winches), guide rails, counterweights, safety devices (such as speed limiters, safety tongs, buffers, etc.), signal handling systems, car and hoistway doors, etc. These parts are installed in the well and machine room of the building separately, the two ends of the traction rope are connected with the car and the counterweight separately, and are wound on the traction sheave and the guide wheel, the traction motor drives the traction sheave to rotate after the speed change of the speed reducer, and the traction force generated by friction between the traction rope and the traction sheave is used for realizing the lifting movement of the car and the counterweight, thus achieving the purpose of transportation.
In the elevator guide rail installation industry, the guide rail is required to be vertically installed in an elevator shaft, a vertical line is arranged in the elevator shaft in the prior art, and one section of elevator guide rail is vertically arranged and installed in the elevator shaft through a guide rail bracket. The elevator guide rail is required to be vertically ensured, the elevator guide rail is manually corrected and positioned by adopting common machines such as a hand or a spanner, the error of manual correction and positioning is larger, the influence of the error is larger and larger along with the gradual extension of the guide rail, the guide rail is inclined, the guide rail is required to be corrected and positioned again by manpower, and the installation efficiency of the guide rail is seriously influenced, so that the elevator guide rail correcting azimuth positioning device is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a positioning device for correcting the azimuth of an elevator guide rail, which solves the problems in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an elevator guide rail correction positioner for position, includes mobile device from top to bottom, the positive side of mobile device from top to bottom installs spacing slide, the inside activity of spacing slide has cup jointed horizontal slide, the right-hand member fixedly connected with end block of horizontal slide, the back activity of end block has cup jointed the correction board, the positive fixedly connected with gear motor of horizontal slide, fixed first pinion of cup jointing on gear motor's the output shaft, the right side meshing of first pinion has first gear wheel, the back fixedly connected with second pinion of first gear wheel, the right side meshing of second pinion has the second gear wheel, the fixed trace that cup joints in the back of second gear wheel, trace fixed mounting is in the front of correction board, the front fixedly mounted of correction board has the spirit level, the right side fixedly connected with guide rail fixation clamp of correction board.
Optionally, the inside activity of reciprocates the device has cup jointed first lead screw, the external screw thread of first lead screw has cup jointed the slider, the bottom fixedly connected with servo motor of reciprocates the device, servo motor's output shaft and the one end fixed connection of slider are in the same place, spacing slide fixed connection is in the front of slider.
Optionally, fixedly connected with stopper on the inner wall of reciprocates the device, the back joint of slider is on the stopper, the both ends fixedly connected with mounting panel of reciprocate the device, the mounting hole has been seted up at the back of mounting panel.
Optionally, the front fixedly connected with fixed block of horizontal slide, the inside activity of fixed block has cup jointed the second lead screw, the middle part screw thread of second lead screw cup joints in the inside of spacing slide, the left end fixedly connected with hand wheel of second lead screw.
Optionally, the first gear wheel and the second pinion rotate coaxially, the first gear wheel and the second pinion are movably sleeved on the front surface of the horizontal sliding plate, the second gear wheel and the correction plate rotate coaxially, and the second gear wheel is movably sleeved on the front surface of the end block.
Optionally, the left side fixedly connected with limit balladeur train of correction board, limit balladeur train's structure is semicircle, limit balladeur train's inside joint has fixing bolt, fixing bolt screw thread cup joints in the inside of horizontal slide, fixing bolt is located gear motor's left side. .
Optionally, a laser pen is fixedly installed at the top end of the front face of the correction plate, and the laser pen and the correction plate are in the same vertical direction.
Optionally, the quantity of guide rail fixation clamp has two, the right side screw thread of guide rail fixation clamp has cup jointed fastening bolt, the inside centre gripping of guide rail fixation clamp has the elevator guide rail.
The invention provides a positioning device for correcting the azimuth of an elevator guide rail, which has the following beneficial effects:
1. This positioner is used in elevator guide rail correction position drives first lead screw through servo motor and rotates, can make the slider slide from top to bottom along first lead screw, conveniently adjusts elevator guide rail from top to bottom, makes elevator guide rail place suitable height, is convenient for install elevator guide rail, drives the second lead screw through rotatory hand wheel and rotates, can make the second lead screw move about the inside of spacing slide, and then drives horizontal slide and control the removal, can adjust elevator guide rail's left and right sides position, conveniently fix a position elevator guide rail.
2. This positioner is used in elevator guide rail correction position drives first pinion through gear motor and rotates, drives first gear wheel and second pinion rotation by first pinion again, then the second pinion drives the second gear wheel and rotates, and the second gear wheel drives the correction board through the trace and rotates at last, cooperates spirit level and the laser pen on the correction board, conveniently adjusts the correction board to vertical state, the completion that can be accurate to the correction of elevator guide rail, reduces the error.
3. This positioner is used in elevator guide rail correction position uses through spacing balladeur train and fixing bolt's cooperation, and after the correction board was adjusted vertical direction, rotatory fixing bolt was fixed spacing balladeur train, can prevent that the correction board from taking place to rotate, played the effect fixed to the correction board, through setting up the guide rail fixation clamp, rotatory fastening bolt is fixed elevator guide rail, conveniently fixes elevator guide rail and correction board together, makes elevator guide rail can follow the correction board and adjusts together, is convenient for correct and fix a position elevator guide rail.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of an up-and-down moving device according to the present invention;
FIG. 3 is a schematic view of the structure of the horizontal skateboard of the present invention;
fig. 4 is a schematic structural view of a first large gear 16 according to the present invention;
FIG. 5 is a schematic diagram of the structure of the calibration plate of the present invention;
FIG. 6 is a schematic view of the horizontal skateboard of the present invention in half section.
In the figure: 1. a vertical movement device; 2. a first lead screw; 3. a slide block; 4. a servo motor; 5. a limiting block; 6. a mounting plate; 7. limiting slide ways; 8. a horizontal slide plate; 9. a fixed block; 10. a second lead screw; 11. A hand wheel; 12. an end block; 13. a correction plate; 14. a speed reducing motor; 15. a first pinion gear; 16. a first gearwheel; 17. a second pinion gear; 18. a second gearwheel; 19. a linkage rod; 20. limiting sliding frame; 21. a fixing bolt; 22. a level gauge; 23. a laser pen; 24. a guide rail fixing clip; 25. a fastening bolt; 26. an elevator guide rail.
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 and 2, the present invention provides a technical solution: the utility model provides an elevator guide rail correction positioner for position, including reciprocate device 1, reciprocate device 1's inside activity has cup jointed first lead screw 2, slide block 3 has been cup jointed to first lead screw 2's external screw thread, reciprocate device 1's bottom fixedly connected with servo motor 4, servo motor 4's output shaft and slide block 3's one end fixed connection together, drive first lead screw 2 through servo motor 4 and rotate, can make slide block 3 slide from top to bottom along first lead screw 2, the convenience carries out the regulation from top to bottom to elevator guide rail 26, make elevator guide rail 26 place suitable height, be convenient for install elevator guide rail 26, fixedly connected with stopper 5 on reciprocate device 1's the inner wall, slide block 3's back joint is on stopper 5, through setting up stopper 5, utilize stopper 5 to lead and spacing to slide block 3, can improve slide block 3's stability in the removal in-process, prevent that slide block 3 from deflecting, reciprocate device 1's both ends fixedly connected with mounting panel 6, the mounting hole has been seted up at mounting panel 6 back.
Referring to fig. 1 and 3, the limiting slide way 7 is fixedly connected to the front surface of the sliding block 3, the limiting slide way 7 is mounted on the front surface of the up-down moving device 1, the horizontal slide plate 8 is movably sleeved in the limiting slide way 7, the horizontal slide plate 8 is guided and limited by the limiting slide way 7, the horizontal slide plate 8 is prevented from deflecting in the moving process, the fixing block 9 is fixedly connected to the front surface of the horizontal slide plate 8, the second lead screw 10 is movably sleeved in the fixing block 9, the middle thread of the second lead screw 10 is sleeved in the limiting slide way 7, the hand wheel 11 is fixedly connected to the left end of the second lead screw 10, the second lead screw 10 is driven to rotate by rotating the hand wheel 11, the second lead screw 10 can move left and right in the inside of the limiting slide way 7, the horizontal slide plate 8 is driven to move left and right, the left and right positions of the elevator guide rail 26 can be adjusted, and the elevator guide rail 26 is conveniently positioned.
Referring to fig. 1 and 4, the right end of the horizontal sliding plate 8 is fixedly connected with the end block 12, the back of the end block 12 is movably sleeved with the correction plate 13, the front of the horizontal sliding plate 8 is fixedly connected with the gear motor 14, the gear motor 14 is used for driving the first pinion 15 to rotate to provide power for correction of the correction plate 13, the output shaft of the gear motor 14 is fixedly sleeved with the first pinion 15, the right side of the first pinion 15 is meshed with the first pinion 16, the first pinion 15 and the first pinion 16 are matched with each other to rotate, the first pinion 15 and the first pinion 16 belong to the pinions to drive the pinions to rotate, the rotation speed can be primarily reduced, the back of the first pinion 16 is fixedly connected with the second pinion 17, the first pinion 16 and the second pinion 17 are coaxially rotated, the first pinion 16 and the second pinion 17 are movably sleeved on the front of the horizontal sliding plate 8, the right side of the second pinion 17 is meshed with the second pinion 18, the second pinion 17 and the second pinion 18 are matched with each other to rotate, the second pinion 17 and the second pinion 18 are driven by the second pinion 18 to rotate, and the second pinion 18 is further coaxially sleeved on the second pinion 18, and the second pinion 18 is rotatably connected with the correction plate 13, and the second pinion 18 is fixedly sleeved on the back of the front of the correction plate 13.
Referring to fig. 1 and 6, the left side of the correction plate 13 is fixedly connected with a limit carriage 20, the structure of the limit carriage 20 is in a semicircular arc shape, a fixing bolt 21 is clamped in the limit carriage 20, the fixing bolt 21 is in threaded connection with the inside of the horizontal sliding plate 8, the limit carriage 20 and the fixing bolt 21 are matched for use, after the correction plate 13 is adjusted to the vertical direction, the fixing bolt 21 is rotated to fix the limit carriage 20, the correction plate 13 can be prevented from rotating, the effect of fixing the correction plate 13 is achieved, and the fixing bolt 21 is positioned on the left side of the gear motor 14.
Referring to fig. 1 and 5, the leveling instrument 22 is fixedly installed on the front surface of the correction plate 13, the leveling instrument 22 is arranged to vertically correct the correction plate 13, the correction plate 13 is conveniently adjusted to be in a vertical state, the laser pen 23 is fixedly installed on the front top end of the correction plate 13, the laser pen 23 and the correction plate 13 are in the same vertical direction, the laser pen 23 is arranged to vertically guide the laser pen 23, a plurality of sections of elevator guide rails 26 are conveniently and vertically connected along a laser line emitted by the laser pen 23, guide rail fixing clamps 24 are fixedly connected to the right side of the correction plate 13, two guide rail fixing clamps 24 are arranged, fastening bolts 25 are sleeved on the right side threads of the guide rail fixing clamps 24, the elevator guide rails 26 are conveniently fixed by the aid of the guide rail fixing clamps 24, the elevator guide rails 26 and the correction plate 13 are conveniently fixed together, the elevator guide rails 26 can be conveniently adjusted along with the correction plate 13, the elevator guide rails 26 are conveniently corrected and positioned, and the elevator guide rails 26 are conveniently clamped inside the guide rail fixing clamps 24.
In summary, when the positioning device for correcting the azimuth of the elevator guide rail is used, firstly, the up-and-down moving device 1 is installed in an elevator shaft, then the elevator guide rail 26 is clamped into the guide rail fixing clamp 24, the fixing bolt 25 is used for fixing the elevator guide rail 26, then the first pinion 15 is driven to rotate through the first pinion 15, the correction plate 13 is driven to rotate after the first large gear 16, the second pinion 17 and the second large gear 18 are driven to rotate through the transmission of the first large gear 16, the second large gear 17 and the second large gear 18, the large gear is driven to rotate through the small gears among the first pinion 15, the first large gear 16, the second small gear 17 and the second large gear 18, the angle of the correction plate 13 is conveniently and finely adjusted, the accuracy is improved, the elevator guide rail 26 is adjusted to be in a vertical state by matching with the level gauge 22 on the correction plate 13, then the correction plate 13 is fixed by rotating the fixing bolt 21, the correction plate 13 is prevented from deflecting, then the first guide rail 2 is driven to rotate through the servo motor 4, the sliding block 3 is enabled to move up and down along the first guide screw 2, the up-and-down height of the elevator guide rail 26 is adjusted, the left and right guide rail 26 is enabled to rotate through the second guide rail 10 to move left and right, and the guide rail 26 is adjusted by rotating the left and right guide rail 8.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a positioning device for correcting azimuth of elevator guide rail, includes reciprocate device (1), its characterized in that: the front of the up-and-down moving device (1) is provided with a limit slide way (7), the inside of the limit slide way (7) is movably sleeved with a horizontal slide plate (8), the right end of the horizontal slide plate (8) is fixedly connected with an end block (12), the back of the end block (12) is movably sleeved with a correction plate (13), the front of the horizontal slide plate (8) is fixedly connected with a gear motor (14), the output shaft of the gear motor (14) is fixedly sleeved with a first pinion (15), the right side of the first pinion (15) is meshed with a first large gear (16), the back fixedly connected with second pinion (17) of first gear wheel (16), the right side meshing of second pinion (17) has second gear wheel (18), the fixed interlock pole (19) that has cup jointed in the back of second gear wheel (18), interlock pole (19) fixed mounting is in the front of correction board (13), the front fixed mounting of correction board (13) has spirit level (22), the right side fixedly connected with guide rail fixation clamp (24) of correction board (13).
2. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the inside activity of reciprocate device (1) has cup jointed first lead screw (2), the external screw of first lead screw (2) has cup jointed slider (3), the bottom fixedly connected with servo motor (4) of reciprocate device (1), the output shaft of servo motor (4) is in the same place with the one end fixed connection of slider (3), spacing slide (7) fixed connection is in the front of slider (3).
3. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the device is characterized in that a limiting block (5) is fixedly connected to the inner wall of the up-down moving device (1), the back of the sliding block (3) is clamped on the limiting block (5), mounting plates (6) are fixedly connected to the two ends of the up-down moving device (1), and mounting holes are formed in the back of the mounting plates (6).
4. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the front fixedly connected with fixed block (9) of horizontal slide (8), the inside activity of fixed block (9) has cup jointed second lead screw (10), the middle part screw thread of second lead screw (10) cup joints in the inside of spacing slide (7), the left end fixedly connected with hand wheel (11) of second lead screw (10).
5. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the first large gear (16) and the second small gear (17) coaxially rotate, the first large gear (16) and the second small gear (17) are movably sleeved on the front face of the horizontal sliding plate (8), the second large gear (18) and the correction plate (13) coaxially rotate, and the second large gear (18) is movably sleeved on the front face of the end block (12).
6. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the left side fixedly connected with spacing balladeur train (20) of correction board (13), the structure of spacing balladeur train (20) is semicircle arc, the inside joint of spacing balladeur train (20) has fixing bolt (21), fixing bolt (21) screw thread cup joints in the inside of horizontal slide (8), fixing bolt (21) are located the left side of gear motor (14).
7. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the laser pen (23) is fixedly arranged at the top end of the front face of the correction plate (13), and the laser pen (23) and the correction plate (13) are in the same vertical direction.
8. The positioning device for correcting an azimuth of an elevator guide rail according to claim 1, wherein: the number of the guide rail fixing clamps (24) is two, the right side of the guide rail fixing clamps (24) is in threaded sleeve connection with a fastening bolt (25), and the elevator guide rail (26) is clamped in the guide rail fixing clamps (24).
CN202210463730.XA 2022-04-29 2022-04-29 Positioning device for correcting azimuth of elevator guide rail Active CN115402898B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210463730.XA CN115402898B (en) 2022-04-29 2022-04-29 Positioning device for correcting azimuth of elevator guide rail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210463730.XA CN115402898B (en) 2022-04-29 2022-04-29 Positioning device for correcting azimuth of elevator guide rail

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CN115402898B true CN115402898B (en) 2024-09-10

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105398911A (en) * 2014-09-04 2016-03-16 通力股份公司 Apparatus and method for aligning guide rails in an elevator shaft
CN110526078A (en) * 2019-09-19 2019-12-03 北京房地天宇特种设备安装工程有限公司 A kind of cage guide correction apparatus for examination and repair and the repair method using the device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206648592U (en) * 2017-04-07 2017-11-17 江西大松机器人自动化设备有限公司 A kind of high-precision brake disc detector
CN209023980U (en) * 2018-10-12 2019-06-25 天津桑瑞斯电梯部件有限公司 A kind of elevator rail straightness preliminary corrections device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105398911A (en) * 2014-09-04 2016-03-16 通力股份公司 Apparatus and method for aligning guide rails in an elevator shaft
CN110526078A (en) * 2019-09-19 2019-12-03 北京房地天宇特种设备安装工程有限公司 A kind of cage guide correction apparatus for examination and repair and the repair method using the device

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