WO2019142362A1 - Dispositif d'usinage de rail de guidage d'ascenseur - Google Patents

Dispositif d'usinage de rail de guidage d'ascenseur Download PDF

Info

Publication number
WO2019142362A1
WO2019142362A1 PCT/JP2018/001800 JP2018001800W WO2019142362A1 WO 2019142362 A1 WO2019142362 A1 WO 2019142362A1 JP 2018001800 W JP2018001800 W JP 2018001800W WO 2019142362 A1 WO2019142362 A1 WO 2019142362A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide rail
processing
processing apparatus
car
main body
Prior art date
Application number
PCT/JP2018/001800
Other languages
English (en)
Japanese (ja)
Inventor
鵜飼　義一
貴史 山下
克倫 大木
中筋　智明
長谷川　正彦
温樹 橋口
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019565686A priority Critical patent/JP6719686B2/ja
Priority to PCT/JP2018/001800 priority patent/WO2019142362A1/fr
Priority to CN201880086769.6A priority patent/CN111601766B/zh
Publication of WO2019142362A1 publication Critical patent/WO2019142362A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides

Definitions

  • the present invention relates to a guide rail processing apparatus for an elevator that processes a guide rail installed in a hoistway.
  • a frame is installed at the top of the car.
  • the frame is provided with a grinder for grinding the guide rail.
  • a plurality of rollers are respectively provided above and below the grinder of the frame (see, for example, Patent Document 2).
  • a plurality of plate-like cleaning bodies in contact with the guide rails are attached to the cleaning body attachment member.
  • a plurality of drive rollers are provided on the upper and lower sides of the cleaning body attachment member.
  • a motor is connected to each of these drive rollers via a reduction mechanism (see, for example, Patent Document 3).
  • the existing car is replaced with a new car.
  • the existing safety gear mounted in the existing car is also replaced with a new safety gear.
  • the guide surface of the existing guide rail may be worn out by long-term contact with the guide device mounted in the existing car, and the coefficient of friction with the emergency stop device may be small. For this reason, when replacing an existing car with a new car, the existing guide rails can be replaced with the new guide rails.
  • the conventional guide rail processing equipment shown in Patent Document 1 is an apparatus for manufacturing a new guide rail, and is installed in a factory. For this reason, when it is going to process existing guide rails, it is necessary to remove the guide rails from the hoistway, transport them to the factory for processing, carry them into the hoistway, and install them again. Therefore, the construction period will eventually be extended.
  • the cleaning device of Patent Document 3 merely cleans the surface of the guide rail by the cleaning body, and can not process the braking surface of the guide rail.
  • the present invention has been made to solve the above-mentioned problems, and while the guide rail is installed in the hoistway, it is possible to continuously and stably process the braking surface of the guide rail.
  • An object of the present invention is to obtain an elevator guide rail processing apparatus.
  • a guide rail processing device for an elevator is a device for processing a guide rail having a bracket fixing portion fixed to a rail bracket and a guide portion for guiding raising and lowering of an elevating body, And a suspending member for suspending the processing apparatus main body in the hoistway from the upper connecting body for moving the processing apparatus main body and the processing apparatus main body along the guide rails; It has a braking surface which is a surface with which the device is in contact, and a tip end surface which is an end surface opposite to the bracket fixing portion, the suspending member is a flexible member, and the processing device body is A processing tool for processing the surface, and first and second front end surface rollers arranged at a distance from each other in the vertical direction; Second In a state contacting the end surface roller on the distal end surface, the attachment position of the main processing apparatus of the hanging member is on the vertical line passing through the center of gravity of the main processing apparatus, or positioned at the front end surface than the vertical line.
  • the processing apparatus main body is mounted on the guide rail, and the hanging member is attached to the processing apparatus main body with the first and second front end surface rollers in contact with the front end surface.
  • the position is located on the vertical line passing through the center of gravity of the processing apparatus body or on the tip surface side of the vertical line. For this reason, it is possible to continuously and stably process the braking surface of the guide rail while the guide rail is installed in the hoistway.
  • FIG. 2 is a cross-sectional view of a car guide rail taken along the line II-II in FIG. It is a perspective view which shows the detailed structure of the processing apparatus main body of FIG. It is the perspective view which looked at the processing apparatus main body of FIG. 3 from the angle different from FIG. It is the perspective view which looked at the processing apparatus main body of FIG. 3 from the angle different from FIG.3 and FIG.4.
  • FIG. 6 is a perspective view of the processing device main body of FIG. 3 as viewed from an angle different from FIGS. 3 to 5; It is a perspective view which shows the state which set the processing apparatus main body of FIG. 3 to the cage
  • FIG. 11 S5 typically.
  • FIG.11 S6 typically.
  • FIG.11 S8 typically.
  • FIG.11 S8 typically.
  • FIG. 1 is a configuration diagram showing a state during renewal work of an elevator according to Embodiment 1 of the present invention.
  • a pair of car guide rails 2 are installed in the hoistway 1.
  • Each car guide rail 2 is configured by seaming a plurality of rail members in the vertical direction.
  • Each car guide rail 2 is fixed to the hoistway wall via a plurality of rail brackets 9.
  • the elevator car 3 is disposed between the pair of car guide rails 2. In addition, the car 3 moves up and down in the hoistway 1 along the car guide rail 2.
  • the first end of the suspension 4 is connected to the top of the car 3.
  • a plurality of ropes or a plurality of belts are used as the suspension body 4.
  • a balance weight not shown is connected to the second end of the suspension 4.
  • the car 3 and the counterweight are suspended in the hoistway 1 by a suspension 4.
  • the middle part of the suspension 4 is wound around a drive sheave of a hoisting machine (not shown).
  • the car 3 and the counterweight move up and down in the hoistway 1 by rotating the drive sheave.
  • a pair of counterweight guide rails (not shown) are installed in the hoistway 1. The counterweight moves up and down in the hoistway 1 along the counterweight guide rail.
  • a safety gear 5 is mounted at the lower part of the car 3.
  • the emergency stop device 5 stops the car 3 by holding the pair of car guide rails 2.
  • Guide devices 6 in contact with the car guide rails 2 are respectively attached to the widthwise end portions of the upper portion of the car 3 and the widthwise end portions of the lower portion of the car 3.
  • a sliding guide shoe or a roller guide device is used as each guide device 6, a sliding guide shoe or a roller guide device is used.
  • FIG. 1 shows the processing apparatus main body 7 as a simple box, the detailed configuration will be described later.
  • the processing apparatus body 7 is suspended from the lower part of the car 3 into the hoistway 1 via the suspending member 8.
  • a suspending member 8 a flexible cord-like member, for example, a rope, a wire or a belt is used.
  • the car 3 is located above the processing apparatus main body 7 and moves the processing apparatus main body 7 along the car guide rail 2. That is, the upper connecting member in the first embodiment is the car 3.
  • the guide rail processing apparatus 100 has a processing apparatus main body 7 and a hanging member 8. Further, the guide rail processing device 100 is used when processing the car guide rail 2 in a state of being installed in the hoistway 1 and is removed during normal operation.
  • FIG. 2 is a cross-sectional view of the car guide rail 2 along the line II-II in FIG.
  • the car guide rail 2 has a bracket fixing portion 2a and a guide portion 2b.
  • the bracket fixing portion 2 a is a portion fixed to the rail bracket 9.
  • the guide portion 2 b projects perpendicularly to the car 3 side from the center in the width direction of the bracket fixing portion 2 a and guides the raising and lowering of the car 3. Further, the guide portion 2 b is gripped by the safety gear 5 at the time of the emergency stop of the car 3.
  • the guide portion 2b includes a pair of braking surfaces 2c facing each other and a tip surface 2d.
  • the end face 2d is an end face of the guide 2b opposite to the bracket fixing part 2a, that is, an end face on the car 3 side.
  • the pair of braking surfaces 2c and the front end surface 2d function as guide surfaces with which the guide device 6 contacts during normal operation.
  • the pair of braking surfaces 2 c is a surface that the safety gear 5 contacts when the car 3 is in an emergency stop.
  • FIG. 3 is a perspective view showing the detailed configuration of the processing device body 7 of FIG.
  • FIG. 4 is a perspective view of the processing device main body 7 of FIG. 3 as viewed from an angle different from that of FIG. 3.
  • FIG. 5 is a perspective view of the processing device main body 7 of FIG. 3 as viewed from an angle different from that of FIGS. 3 and 4.
  • FIG. 6 is a perspective view of the processing device main body 7 of FIG. 3 as viewed from an angle different from FIGS.
  • the processing apparatus main body 7 includes a frame 11, a connector 12, a processing tool 13, a driving device 14, a first guide roller 15, a second guide roller 16, a first pressing roller 17, a second pressing roller 18, and a second pressing roller 18.
  • the first end face roller 19 and the second end face roller 20 are provided.
  • the frame 11 has a frame main body 21 and a frame division body 22.
  • the connector 12, the processing tool 13, the drive device 14, the first guide roller 15, the second guide roller 16, the first end surface roller 19 and the second end surface roller 20 are provided in the frame main body 21. ing.
  • the first pressing roller 17 and the second pressing roller 18 are provided in the frame divided body 22.
  • the connector 12 is provided at the upper end of the frame body 21.
  • the hanging member 8 is connected to the connector 12.
  • the driving device 14 is disposed on the opposite side of the processing tool 13 of the frame main body 21. Further, the drive device 14 rotates the processing tool 13. For example, an electric motor is used as the drive device 14.
  • the processing tool 13 processes the braking surface 2c.
  • the processing tool 13 for example, a cylindrical flat grindstone having a large number of abrasive grains provided on the outer peripheral surface is used, but a cutting tool or the like may be used.
  • a part of the braking surface 2c that is, a part or the entire surface can be scraped off.
  • the surface roughness of the braking surface 2c can be roughened, and the friction coefficient of the braking surface 2c with respect to the safety gear 5 can be made more appropriate.
  • the frame main body 21 is provided with a cover (not shown). When the braking surface 2 c is processed by the processing tool 13, processing waste is generated.
  • the cover prevents the cutting debris from being scattered around the processing device body 7.
  • the first guide roller 15 and the second guide roller 16 are provided on the frame main body 21 side by side with the processing tool 13.
  • the first guide roller 15 is disposed above the processing tool 13 and the second guide roller 16 is disposed below the processing tool 13 while the frame 11 is suspended by the suspension member 8.
  • the processing tool 13 is disposed between the first guide roller 15 and the second guide roller 16.
  • the first guide roller 15 and the second guide roller 16 contact the braking surface 2 c together with the processing tool 13 to bring the outer peripheral surface of the processing tool 13 into parallel contact with the braking surface 2 c. That is, the outer peripheral surface of the processing tool 13 is uniformly brought into contact with the braking surface 2 c in the entire width direction of the processing tool 13.
  • Two line segments that are contact portions with the braking surface 2c of the guide rollers 15 and 16 and one line segment that is a contact portion with the braking surface 2c of the processing tool 13 can exist in one plane. Is set as.
  • the first pressing roller 17 sandwiches the guide portion 2 b with the first guide roller 15.
  • the second pressing roller 18 sandwiches the guide portion 2 b with the second guide roller 16. That is, when the processing tool 13, the first guide roller 15, and the second guide roller 16 contact the braking surface 2c on the processing side, the first pressing roller 17 and the second pressing roller 18 are on the opposite side. Contact the braking surface 2c.
  • the rotational axes of the processing tool 13 and the rollers 15, 16, 17, 18 are parallel or substantially parallel to each other.
  • the first front end roller 19 is provided at the upper end of the frame body 21.
  • the second front end surface roller 20 is provided at the lower end portion of the frame main body 21. That is, the first and second front end face rollers 19 and 20 are arranged at an interval in the vertical direction.
  • the frame divided body 22 is a pinching position where the guide portion 2b is pinched between the guide rollers 15, 16 and the pressing rollers 17, 18, and a release position where the pressing rollers 17, 18 are farther from the guide rollers 15, 16 than the pinching position. And linearly movable with respect to the frame body 21.
  • the frame main body 21 is provided with a pair of rod-like frame guides 23 for guiding the movement of the frame divided body 22 with respect to the frame main body 21.
  • the frame guide 23 penetrates the frame division body 22.
  • a pair of rod fixing portions 24 is provided at upper and lower end portions of the frame main body 21.
  • the frame divided body 22 is provided with a pair of facing portions 25 facing the rod fixing portion 24.
  • a frame spring rod 26 is fixed to each rod fixing portion 24. Each frame spring rod 26 passes through the facing portion 25.
  • a frame spring receiver 27 is attached to the frame spring rod 26.
  • a frame spring 28 is provided between the frame spring receiver 27 and the facing portion 25. Each frame spring 28 generates a force for moving the frame divided body 22 to the sandwiching position.
  • the pressing force of the pressing rollers 17 and 18 by the frame spring 28 overcomes the force of the processing device body 7 tending to tilt due to the eccentricity of the center of gravity position of the processing device body 7, and the outer peripheral surface of the guide rollers 15 and 16 and the braking surface 2 c It is set to the size that can maintain parallel with.
  • the pressing force of the pressing rollers 17 and 18 by the frame spring 28 causes the outer peripheral surface of the guide rollers 15 and 16 also when the processing device body 7 is moved along the car guide rail 2 while rotating the processing tool 13. And the braking surface 2c.
  • a release position holding mechanism (not shown) is provided between the frame body 21 and the frame divided body 22.
  • the release position holding mechanism holds the frame segment 22 in the release position against the spring force of the frame spring 28.
  • the processing tool 13 and the driving device 14 are linearly movable with respect to the frame main body 21 between the processing position and the separated position.
  • the processing position is a position at which the processing tool 13 contacts the braking surface 2 c in a state where the guide rollers 15 and 16 contact the braking surface 2 c.
  • the separated position is a position at which the processing tool 13 is separated from the braking surface 2 c in a state where the guide rollers 15 and 16 are in contact with the braking surface 2 c.
  • the pressing rollers 17 and 18 are movable in the direction perpendicular to the braking surface 2c.
  • the processing tool 13 and the drive device 14 are also movable in the direction perpendicular to the braking surface 2c.
  • the drive device 14 is attached to a flat movable support member 29.
  • a pair of rod-shaped drive device guides 30 are fixed to the frame body 21.
  • the movable support member 29 is slidable along the drive guide 30. Thereby, the processing tool 13 and the driving device 14 are linearly movable with respect to the frame main body 21.
  • a processing tool spring 31 is provided between the movable support member 29 and the frame main body 21.
  • the processing tool spring 31 generates a force for moving the processing tool 13 and the drive device 14 to the processing position side.
  • the pressing force of the processing tool 13 by the processing tool spring 31 is set to a magnitude that does not cause a problem such as chattering.
  • a separation position holding mechanism (not shown) is provided between the frame main body 21 and the movable support member 29.
  • the separated position holding mechanism holds the processing tool 13 and the drive device 14 in the separated position against the spring force of the processing tool spring 31.
  • FIG. 7 is a perspective view showing a state in which the machining device main body 7 of FIG. 3 is set to the car guide rail 2.
  • FIG. 8 is a perspective view showing a state in which the machining device main body 7 of FIG. 4 is set to the car guide rail 2.
  • FIG. 9 is a perspective view showing the processing apparatus body 7 of FIG. 5 set in the car guide rail 2.
  • FIG. 10 is a cross-sectional view showing a contact state of the processing tool 13 of FIG. 7 and the car guide rail 2.
  • the width dimension of the outer peripheral surface of the processing tool 13 is larger than the width dimension of the braking surface 2c. Thereby, the processing tool 13 is in contact with the whole of the braking surface 2c in the width direction.
  • FIG. 11 is a flowchart showing the guide rail processing method of the first embodiment.
  • a control device and a power supply (not shown) are carried into the car 3 (step S1).
  • the control device is a device that controls the processing device body 7.
  • the guide rail processing apparatus 100 is carried into the pit of the hoistway 1 (step S2).
  • step S3 the car 3 is moved to the lower part of the hoistway 1, and the processing apparatus body 7 is connected to the car 3 via the suspending member 8 and suspended in the hoistway 1 (step S3). Further, the processing device body 7 is connected to the control device and the power supply (step S4). Then, the machining device body 7 is set on the car guide rail 2 (steps S5 to S6).
  • Step S5 the guide rollers 15 and 16 are brought into contact with one of the braking surfaces 2c.
  • Step S5 the leading end surface rollers 19 and 20 are brought into contact with the leading end surface 2d.
  • step S6 the frame divided body 22 is moved to the sandwiching position (step S6), and as shown in FIG. 13, the guide portion 2b is sandwiched between the guide rollers 15 and 16 and the pressing rollers 17 and 18.
  • step S7 After the processing apparatus main body 7 is set to the car guide rail 2 in this manner, the processing tool 13 is rotated (step S7). Then, as shown in FIG. 14, the processing tool 13 and the driving device 14 are moved to the processing position, and the car 3 is moved to the top floor at a lower speed than the rated speed (step S8). That is, the processing device main body 7 is moved along the car guide rail 2 while processing the braking surface 2 c by the processing tool 13. When the car 3 arrives at the top floor, the processing tool 13 and the drive unit 14 are moved to the separated position (step S9). In addition, the rotation of the processing tool 13 is stopped, and the car 3 is stopped (step S10).
  • the processing amount is measured (step S11).
  • the braking surface 2c is processed only when the car 3 is lifted, so it is preferable to keep the processing tool 13 away from the braking surface 2c when the car 3 is lowered.
  • the measurement of the processing amount is performed, for example, by measuring the thickness dimension of the guide portion 2b or measuring the surface roughness of the braking surface 2c.
  • step S12 When the car 3 arrives at the lower floor, it is checked whether the amount of processing has reached a preset value (step S12). If the amount of processing is insufficient, the guide portion 2b is sandwiched between the guide rollers 15 and 16 and the pressing rollers 17 and 18, and steps S7 to 12 are performed again. If the amount of processing is sufficient, processing is complete.
  • the processing device main body 7 that is symmetrical with that in FIG. 3 may be used, or the processing device main body 7 in FIG. In the latter case, the connector 12 may be added to the lower end of the frame body 21.
  • the two or more braking surfaces 2c can be simultaneously processed by two or more processing device main bodies 7.
  • the elevator renewal method according to the first embodiment will be described.
  • the existing car 3 and the existing safety gear 5 are replaced with a new car and a safety gear, while leaving the existing car guide rails 2.
  • the renewal method of Embodiment 1 includes a rail processing step and a replacement step.
  • the processing apparatus main body 7 is connected to the existing car 3 via the suspending member 8, and the processing apparatus main body 7 is moved along the existing car guide rail 2 by the movement of the existing car 3.
  • the replacement step is performed.
  • the existing car 3 and the existing safety gear 5 are replaced with a new car and a new safety gear while leaving the existing car guide rail 2.
  • the mounting state here is a state in which the processing device main body 7 is mounted on the car guide rail 2 and both of the tip end face rollers 19 and 20 are in contact with the tip end face 2 d.
  • the suspension condition is a combination of the attachment position of the suspension member 8 to the processing device body 7 and the inclination of the suspension member 8 between the car 3 and the processing device body 7 in the mounted state.
  • the entire length of the car guide rail 2 can be maintained while the processing tool 13 remains in contact with the braking surface 2c without disengaging the processing apparatus body 7 from the car guide rail.
  • the braking surface 2c can be machined stably.
  • FIG. 15 is a side view schematically showing the processing apparatus body 7 of FIG. 1 mounted on the car guide rail 2.
  • the guide portion 2 b is sandwiched between the guide rollers 15 and 16 and the pressing rollers 17 and 18. Further, both of the tip end face rollers 19 and 20 are in contact with the tip end face 2d.
  • the attachment position of the suspension member 8 to the processing device body 7, that is, the hanging position P of the processing device body 7, is more distal than the vertical line L1 passing the center of gravity g of the processing device body 7. It is located on the surface 2d side.
  • the hanging member 8 is inclined in a direction to approach the bracket fixing portion 2a as it goes upward.
  • the braking surface 2c can be stably processed over substantially the entire length of the car guide rail 2 without the processing device body 7 being detached from the car guide rail.
  • FIG. 16 is a table showing the relationship between suspension conditions and processing stability in the mounting state of the processing apparatus main body 7.
  • processing stability "good” means that the braking surface 2c is stably processed over substantially the entire length of the car guide rail 2 without the processing apparatus body 7 being detached from the car guide rail 2. Show what you can do.
  • FIG. 17 is a side view which shows typically the suspension conditions of Example 1 of FIG. In the suspension condition of the first embodiment, the suspension position P is located closer to the tip surface 2d than the vertical line L1. In addition, the hanging member 8 is vertical.
  • FIG. 18 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 19 is a side view showing a state where the car guide rail 2 is removed from the mounted state of FIG. When the car guide rail 2 is removed from the mounting state shown in FIG. The posture of 7 changes.
  • the first tip end surface roller 19 is located on the bracket fixing portion 2 a side, though slightly, from the position where the tip end face 2 d was present.
  • the guide rollers 15 and 16 are inclined such that the upper ends thereof approach the bracket fixing portion 2a. In such a state, the posture of the processing apparatus body 7 is stabilized.
  • the force to change to the attitude of FIG. 19 works on the processing apparatus body 7 even in the state of FIG. Therefore, when the machining device body 7 ascends along with the ascent of the car 3, a force to move to the bracket fixing portion 2a acts on the machining device body 7 due to the movement of the center of gravity position. Also, when the guide rollers 15 and 16 rotate while being inclined toward the bracket fixing portion 2a, a force to move the bracket fixing portion 2a to the processing device body 7 acts.
  • the braking surface 2c is machined over substantially the entire length of the car guide rail 2 while the machining device body 7 ascends in the posture shown in FIG. Therefore, in the suspension condition of Example 1, the processing stability is "good".
  • FIG. 20 is a side view schematically showing the suspension conditions of Example 2 of FIG.
  • FIG. 21 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 22 is a side view showing a state in which the car guide rail 2 is removed from the mounted state of FIG.
  • the suspension position P is located closer to the tip surface 2d than the vertical line L1.
  • the hanging member 8 is inclined in a direction to approach the bracket fixing portion 2a as it goes upward.
  • the first front end surface roller 19 is positioned closer to the bracket fixing portion 2a than the position where the front end surface 2d was located.
  • the guide rollers 15 and 16 are inclined such that the upper ends thereof approach the bracket fixing portion 2a.
  • the force to change to the attitude of FIG. 22 works on the processing apparatus body 7 even in the state of FIG. For this reason, when the machining device body 7 ascends with the lifting of the car 3, a force to move to the bracket fixing portion 2a acts on the machining device body 7 due to the movement of the center of gravity g. Also, when the guide rollers 15 and 16 rotate while being inclined toward the bracket fixing portion 2a, a force to move the bracket fixing portion 2a to the processing device body 7 acts.
  • FIG. 23 is a side view schematically showing the suspension conditions of Example 3 of FIG.
  • FIG. 24 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 25 is a side view showing a state in which the car guide rail 2 is removed from the mounted state of FIG.
  • both of the first and second tip end face rollers 19, 20 are separated from the position where the tip end face 2d was.
  • each of the guide rollers 15 and 16 is inclined so that the upper end approaches the bracket fixing portion 2a.
  • the force due to the rotation of the guide rollers 15 and 16 can be adjusted by adjusting the spring force of each frame spring 28, that is, the spring constant and the amount of compression. For this reason, the spring force of each frame spring 28 is adjusted so that the force due to the rotation of the guide rollers 15 and 16 becomes larger than the force due to the movement of the center of gravity g.
  • FIG. 26 is a side view schematically showing the suspension condition of the fourth embodiment in FIG.
  • FIG. 27 is a side view showing a state in which the processing of the braking surface 2c is started from the mounted state of FIG.
  • FIG. 28 is a side view showing a state where the car guide rail 2 is removed from the mounted state of FIG.
  • FIG. 29 is a side view schematically showing the suspension condition of the fifth example of FIG.
  • FIG. 30 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 31 is a side view showing a state where the car guide rail 2 is removed from the mounted state of FIG.
  • the suspension position P is located on the vertical line L1.
  • the hanging member 8 is inclined in a direction to approach the bracket fixing portion 2a as it goes upward.
  • the processing apparatus main body 7 ascends while receiving a force to be moved toward the bracket fixing portion 2a by the movement of the center of gravity g.
  • FIG. 32 is a side view schematically showing the suspension conditions of Comparative Example 1 of FIG.
  • FIG. 33 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 34 is a side view showing a state where the car guide rail 2 is removed from the mounted state of FIG.
  • the processing apparatus body 7 ascends while receiving a force to move to the opposite side to the bracket fixing portion 2a by the movement of the center of gravity g.
  • the processing device body 7 does not separate from the car guide rail 2, the processing tool 13 partially contacts the braking surface 2c. That is, in the suspension condition of Comparative Example 1, the processing stability is “impossible”.
  • FIG. 35 is a side view schematically showing the suspension conditions of Comparative Example 2 of FIG.
  • FIG. 36 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 37 is a side view showing a state where the car guide rail 2 is removed from the mounted state of FIG.
  • the suspension position P is located closer to the bracket fixing portion 2a than the vertical line L1.
  • the hanging member 8 is vertical.
  • the processing apparatus body 7 moves to the bracket fixing portion 2a side by the movement of the center of gravity g. Further, the guide rollers 15 and 16 are inclined such that the upper ends thereof are separated from the bracket fixing portion 2a.
  • the processing apparatus main body 7 when the processing apparatus main body 7 is raised from the state of FIG. 35, the processing apparatus main body 7 receives a force to move it toward the bracket fixing portion 2a due to the force caused by the movement of the center of gravity g.
  • the direction in which the guide rollers 15 and 16 try to move is the direction away from the bracket fixing portion 2a.
  • the suspension position P is located closer to the bracket fixing portion 2a than the vertical line L1.
  • the hanging member 8 is inclined in a direction to approach the bracket fixing portion 2a as it goes upward.
  • the processing apparatus body 7 moves to the bracket fixing portion 2a side by the movement of the center of gravity g. Further, the guide rollers 15 and 16 are inclined such that the upper ends thereof are separated from the bracket fixing portion 2a.
  • the processing device body 7 is lifted from the state of FIG. 38, the processing device body 7 is separated from the car guide rail 2 as in the second comparative example. That is, in the suspension condition of Comparative Example 3, the processing stability is “impossible”.
  • FIG. 41 is a side view schematically showing the suspension conditions of Comparative Example 4 of FIG.
  • FIG. 42 is a side view showing a state where processing of the braking surface 2c has been started from the mounted state of FIG.
  • FIG. 43 is a side view showing a state where the car guide rail 2 is removed from the mounted state of FIG.
  • the suspension position P is located closer to the bracket fixing portion 2a than the vertical line L1. Moreover, the hanging member 8 is inclined in the direction away from the bracket fixing portion 2a as it goes upward.
  • the processing apparatus body 7 moves to the opposite side to the bracket fixing portion 2a by the movement of the center of gravity g. Further, the guide rollers 15 and 16 are inclined such that the upper ends thereof are separated from the bracket fixing portion 2a.
  • the processing apparatus main body 7 is suspended in the hoistway 1 via the suspending member 8.
  • the suspension member 8 has flexibility.
  • the hanging position P is located on the vertical line L1 or on the tip surface 2d side of the vertical line L1.
  • the processing device body 7 is suspended via the suspension member 8, it is possible to prevent the vibration of the car 3 from being transmitted to the processing device body 7 during the processing of the braking surface 2c. Thereby, generation
  • the braking surface 2c can be machined uniformly over substantially the entire length of the car guide rail 2.
  • the coefficient of friction of the braking surface 2c with respect to the safety gear 5 can be further optimized while the car guide rail 2 is installed in the hoistway 1 Can.
  • the outer peripheral surface of the processing tool 13 can be more reliably brought into parallel contact with the braking surface 2c, and the braking surface 2c is not generated Can be processed evenly.
  • the outer peripheral surface of the processing tool 13 can be more stably in parallel contact with the braking surface 2c. Further, even when the braking surface 2c is inclined in the vertical direction, the parallel between the outer peripheral surface of the processing tool 13 and the braking surface 2c can be maintained.
  • the processing device main body 7 is arranged along the car guide rail 2 in a state where the suspension member 8 is connected to the connector 12 and suspended in the hoistway 1. Can be moved.
  • first guide roller 15 is disposed above the processing tool 13, and the second guide roller 16 is disposed below the processing tool 13. Therefore, the parallel between the outer peripheral surface of the processing tool 13 and the braking surface 2c can be maintained more stably. Accordingly, even when the car guide rail 2 is inclined, bent or undulated in the vertical direction, the parallel between the outer peripheral surface of the processing tool 13 and the braking surface 2 c can be maintained.
  • the processing tool 13 is disposed at an intermediate position between the first and second guide rollers 15 and 16. Therefore, the moving direction of the processing tool 13 with respect to the frame main body 21 can be made perpendicular to the braking surface 2 c. Thereby, the force which presses the processing tool 13 on the braking surface 2c can be stabilized. Also, stable processing can be performed without occurrence of processing unevenness, that is, unevenness of the amount to be removed.
  • the frame 11 is divided into the frame main body 21 and the frame divided body 22, and the frame spring 28 generates a force for moving the frame divided body 22 to the sandwiching position side.
  • the guide portion 2 b can be stably sandwiched between the guide rollers 15 and 16 and the pressing rollers 17 and 18 by a simple configuration.
  • the processing tool 13 and the drive device 14 can be moved between the processing position and the separated position, and the processing tool spring 31 generates a force for moving the processing tool 13 and the drive device 14 to the processing position side. For this reason, with a simple configuration, the processing tool 13 can be stably pressed against the braking surface 2c, and stable processing can be performed. In addition, by moving the processing tool 13 to the separated position, the processing device main body 7 can be moved along the car guide rail 2 without processing the braking surface 2 c.
  • the elevator renewal method as described above, after at least a part of the braking surface 2c of the existing car guide rail 2 is scraped off, the existing car 3 and the existing car guide rail 2 are left while the existing car guide rail 2 is left.
  • the existing safety gear 5 is replaced with a new car and a new safety gear. Therefore, the coefficient of friction of the existing car guide rail 2 with respect to the newly installed emergency stop device can be further optimized while the car guide rail 2 is installed in the hoistway 1.
  • the elevator can be renewed without replacing the existing car guide rail 2, and the construction period can be significantly shortened, and the cost for the construction can also be significantly reduced.
  • the processing device body 7 is suspended in the hoistway 1 via the suspension member 8 and the processing device body 7 is guided through the suspension member 8 while rotating the processing tool 13.
  • the suspension member 8 has flexibility. Therefore, the braking surface 2 c can be stably processed over substantially the entire length of the car guide rail 2.
  • the force for pressing the processing tool and the pressing roller against the braking surface is generated by a spring, but may be generated by, for example, a pneumatic cylinder, a hydraulic cylinder, or an electric actuator.
  • the connector may be integrally formed on the frame.
  • the guide rail processing apparatus is suspended from the existing car, but may be suspended from a new car. That is, the upper connection body may be a new car.
  • the guide rail processing apparatus is suspended from the car in the above example, the guide rail processing apparatus may be suspended from a lifting device such as a winch installed at the top of the hoistway, for example. That is, the upper connection body may be a lifting device. In this case, the moving speed of the guide rail processing apparatus can be set more freely.
  • the raising / lowering body was a car and the case where a processing object was a car guide rail was shown.
  • the present invention can also be applied to the case where the elevating body is a counterweight and the object to be processed is a counterweight guide rail.
  • the upper connection may be a counterweight.
  • both the car guide rail and the counterweight guide rail may be processed.
  • the guide rail was processed at the time of the renewal work.
  • the present invention can be applied.
  • the present invention is applicable to various types of elevators, such as elevators having a machine room, machine room-less elevators, double deck elevators, and one-shaft multicar elevators.
  • the one-shaft multicar system is a system in which the upper car and the lower car placed immediately below the upper car move up and down the common hoistway independently of one another.
  • Reference Signs List 1 hoistway, 2 car guide rails, 2a bracket fixing portion, 2b guide portion, 2c braking surface, 2d tip surface, 3 cars (lifting body, upper connection body), 7 processing device main body, 8 suspension member, 13 processing tool , 15 1st guide roller, 16 2nd guide roller, 17 1st pressing roller, 18 2nd pressing roller, 19 1st front end surface roller, 20 2nd front end surface roller, 100 guide rail processing device .

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

Dispositif d'usinage de rail de guidage d'ascenseur, comprenant un corps de dispositif d'usinage et un élément de suspension. L'élément de suspension suspend le corps de dispositif d'usinage dans une cage d'ascenseur à partir d'une pièce de liaison supérieure qui déplace le corps de dispositif d'usinage le long d'un rail de guidage. L'endroit où l'élément de suspension est monté sur le corps de dispositif d'usinage, dans un état où le corps de dispositif d'usinage est monté sur le rail de guidage et des premier et second galets de face d'extrémité sont en contact avec la face d'extrémité du rail de guidage, se situe sur une ligne verticale passant par le centre de gravité du corps de dispositif d'usinage ou plus près du côté face d'extrémité que la ligne verticale.
PCT/JP2018/001800 2018-01-22 2018-01-22 Dispositif d'usinage de rail de guidage d'ascenseur WO2019142362A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019565686A JP6719686B2 (ja) 2018-01-22 2018-01-22 エレベータのガイドレール加工装置
PCT/JP2018/001800 WO2019142362A1 (fr) 2018-01-22 2018-01-22 Dispositif d'usinage de rail de guidage d'ascenseur
CN201880086769.6A CN111601766B (zh) 2018-01-22 2018-01-22 电梯的导轨加工装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/001800 WO2019142362A1 (fr) 2018-01-22 2018-01-22 Dispositif d'usinage de rail de guidage d'ascenseur

Publications (1)

Publication Number Publication Date
WO2019142362A1 true WO2019142362A1 (fr) 2019-07-25

Family

ID=67302052

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/001800 WO2019142362A1 (fr) 2018-01-22 2018-01-22 Dispositif d'usinage de rail de guidage d'ascenseur

Country Status (3)

Country Link
JP (1) JP6719686B2 (fr)
CN (1) CN111601766B (fr)
WO (1) WO2019142362A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6866962B1 (ja) * 2020-03-12 2021-04-28 三菱電機株式会社 ガイドレール研削装置、ガイドレールの研削方法、およびガイドレール研削装置の調整方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142722A (en) * 1981-03-02 1982-09-03 Hitachi Ltd Method and apparatus for working guide rail for elevator
JPH0215978U (fr) * 1988-07-13 1990-02-01
JPH09323873A (ja) * 1996-06-07 1997-12-16 Hitachi Building Syst Co Ltd エレベータガイドレールの研削装置
JP2001158581A (ja) * 1999-12-02 2001-06-12 Mitsubishi Electric Building Techno Service Co Ltd エレベータ
JP2005001800A (ja) * 2003-06-11 2005-01-06 Toshiba Elevator Co Ltd エレベータ装置
JP2013121856A (ja) * 2011-12-09 2013-06-20 Toshiba Elevator Co Ltd エレベータ案内装置
US20140000986A1 (en) * 2012-06-28 2014-01-02 Daniel Quinn Device and method for fastening and aligning a guide rail

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4520559B2 (ja) * 1999-12-02 2010-08-04 株式会社Ａｄｅｋａ 硬化性組成物
JP4220717B2 (ja) * 2002-03-27 2009-02-04 三菱電機株式会社 エレベータ用ガイドレールの加工方法
JP2007054911A (ja) * 2005-08-24 2007-03-08 Toshiba Elevator Co Ltd ガイドレール加工装置および加工方法
EP2055662B1 (fr) * 2006-08-22 2015-11-18 Mitsubishi Electric Corporation Rail de guidage pour ascenseur et dispositif de traitement de surface de rail pour ascenseur
JP2010168182A (ja) * 2009-01-23 2010-08-05 Mitsubishi Electric Building Techno Service Co Ltd エレベータレール錆落とし装置
JP5997079B2 (ja) * 2013-03-12 2016-09-21 株式会社日立製作所 昇降機装置、及び昇降機装置のガイド装置
CN204868392U (zh) * 2015-08-24 2015-12-16 浙江三永机械有限公司 一种电梯导轨的打磨机
CN106346261A (zh) * 2016-10-18 2017-01-25 江苏理工学院 电梯导轨自动加工生产线及生产工艺
CN107214585A (zh) * 2017-07-24 2017-09-29 佛山市正略信息科技有限公司 一种t形导轨高效打磨装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142722A (en) * 1981-03-02 1982-09-03 Hitachi Ltd Method and apparatus for working guide rail for elevator
JPH0215978U (fr) * 1988-07-13 1990-02-01
JPH09323873A (ja) * 1996-06-07 1997-12-16 Hitachi Building Syst Co Ltd エレベータガイドレールの研削装置
JP2001158581A (ja) * 1999-12-02 2001-06-12 Mitsubishi Electric Building Techno Service Co Ltd エレベータ
JP2005001800A (ja) * 2003-06-11 2005-01-06 Toshiba Elevator Co Ltd エレベータ装置
JP2013121856A (ja) * 2011-12-09 2013-06-20 Toshiba Elevator Co Ltd エレベータ案内装置
US20140000986A1 (en) * 2012-06-28 2014-01-02 Daniel Quinn Device and method for fastening and aligning a guide rail

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6866962B1 (ja) * 2020-03-12 2021-04-28 三菱電機株式会社 ガイドレール研削装置、ガイドレールの研削方法、およびガイドレール研削装置の調整方法
WO2021181631A1 (fr) * 2020-03-12 2021-09-16 三菱電機株式会社 Dispositif de meulage de rail de guidage, procédé de meulage de rail de guidage et procédé de réglage de dispositif de meulage de rail de guidage
CN115210042A (zh) * 2020-03-12 2022-10-18 三菱电机株式会社 导轨磨削装置、导轨的磨削方法以及导轨磨削装置的调整方法
CN115210042B (zh) * 2020-03-12 2024-06-14 三菱电机株式会社 导轨磨削装置、导轨的磨削方法以及导轨磨削装置的调整方法

Also Published As

Publication number Publication date
CN111601766B (zh) 2021-09-21
JPWO2019142362A1 (ja) 2020-04-09
CN111601766A (zh) 2020-08-28
JP6719686B2 (ja) 2020-07-08

Similar Documents

Publication Publication Date Title
JP7003290B2 (ja) ガイドレール加工装置及びガイドレール加工方法
JP6765534B2 (ja) エレベータのガイドレール加工方法、ガイドレール加工装置、及びリニューアル方法
WO2019142362A1 (fr) Dispositif d'usinage de rail de guidage d'ascenseur
JP6980122B2 (ja) ガイドレール加工装置及びガイドレール加工方法
JP6808052B2 (ja) エレベータのガイドレール加工装置
JP6821066B2 (ja) エレベータのガイドレール加工装置及びガイドレール加工方法
CN111867959B (zh) 电梯的导轨加工装置和导轨加工方法
JP6671566B1 (ja) ガイドレール加工装置及びガイドレール加工方法
JP7008833B2 (ja) エレベータのガイドレール加工装置及びガイドレール加工方法
JP5928523B2 (ja) 案内車の溝加工方法
CN112334272B (zh) 电梯的导轨加工装置
WO2020161792A1 (fr) Appareil d'usinage de rail de guidage et procédé d'usinage de rail de guidage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18900939

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019565686

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18900939

Country of ref document: EP

Kind code of ref document: A1