KR101232625B1 - Lift device for maintaining escalator control panel - Google Patents

Abstract

PURPOSE: A lifting device for the maintenance of an escalator is provided to easily implement the maintenance of a control board in the outside of a mechanical room by conveniently and quickly lifting the control board from the narrow mechanical room of the escalator. CONSTITUTION: A lifting device for the maintenance of an escalator comprises a support part(100), a frame(200), a rotary drum(300), a rotating part, a locking part, and a cover(600). The support part is vertically assembled and installed to one side of a mechanical room of an escalator so that the support park can support a control board in lifting up to a predetermined height. The frame is fixed and assembled to the support part. Fixing rings are installed on both ends of a longitudinally penetrated shaft hole. The rotary drum is rotatably mounted on the frame and is integrated with a pulley sprocket. A band(310) with rings(312) is wound on the exterior of the rotary drum in order to be connected with the control board. The rotary part is rotatably mounted on the frame and rotates the pulley sprocket of the rotary drum forward and backward. The locking part is installed in the front side of the frame and fixes the rotary part to prevent releasing. The cover covers the front side of the frame to protect the locking part.

Description

Lift device for maintaining escalator control panel

The present invention can easily and safely lift and lower the control panel to the outside of the machine room during the failure or maintenance of the control panel installed in the upper machine room of the escalator to improve the uncomfortable working conditions during maintenance work in the narrow machine room, and maintain The present invention relates to a lift device for maintenance of an escalator control panel capable of ensuring the efficiency and safety of maintenance work.

As is known, the escalator is an inclined transport facility installed indoors / outdoors to facilitate the inter-floor movement of passengers, the configuration of which is connected to a plurality of steel frame in the form of a tras, the main body formed to achieve a predetermined inclination angle, and A plurality of steps installed in the main body and a passenger boarding, a hand rail for installing a driver and a control panel on both sides of the upper part of the main body to allow the passenger to move safely, and a driving unit for rotating the step and the hand rail. Each part is made up.

The drive unit is installed in the machine room of a predetermined space formed in the upper end of the main body, the control panel for controlling the drive unit is also installed in the machine room, the machine room is closed by the upper bottom plate when the installation of the escalator is completed, the drive unit and the control panel exposed It is not landfilled.

As such, when the control panel installed in the machine room is maintained and inspected, the bottom plate (landing platen) is lifted up and enters the machine room to perform maintenance. It could not be done easily, which greatly reduced efficiency and productivity.

That is, in order to maintain the control panel, the operator needs to open the bottom plate and work in the main body of 1M height. In this case, it is very difficult to work in consideration of the fact that the worker's height is 1.6 to 1.8M Since the work is bent or sitting down, the situation is exposed to the risk of safety accidents in the body made of unstable posture and narrow and low steel trass.

In order to solve this problem, a method of taking out and maintaining the control panel from the machine room has been proposed, and accordingly, a latch device has been devised.

The latch device is fixed to the sprocket by the spring elasticity to prevent the loosening of the rotating drum to maintain the raised state of the control panel, but when the control panel descends to rotate the rotating drum in the opposite direction to separate The installation of the locking device is necessary because the hook holding the sprocket must be disengaged by additionally installing the unlocking device, and the configuration of the latch device is very complicated, which increases the production cost. There have been many problems such as the occurrence of safety accidents frequently due to sudden loosening.

Therefore, in order to solve the above problems, the present invention provides a lift device that is a means for placing a control panel located inside the machine room formed in the upper escalator tras to a position higher than the upper bottom surface, the locking by the latch to the friction force By allowing the locking and disengaging to be freed by connecting or releasing with the locking unit, the control panel can be lifted and lowered safely and quickly, and the operator stands upright to check and maintain the control panel. The purpose of the present invention is to provide a lift device for escalator control panel maintenance that can improve the working environment, minimize the occurrence of safety accidents, and greatly improve work efficiency and productivity.

In order to achieve the above object, the present invention is a vertical assembly and installed on one side of the machine room of the escalator and the support for supporting to raise the control panel to a certain height; A frame fixed and assembled to the support part, and the fixing ring is integrally installed at each of the shaft holes penetrated forward and backward; A rotating drum rotatably mounted to the frame, the band having a ring formed at an end thereof to be connected to the control panel, wound around the outer circumference, and having a pullless plaque integrally formed thereon; A rotating part rotatably mounted to the frame to rotate the pullless plaque of the rotating drum in a forward / reverse direction; A locking part installed at the front of the frame to fix the rotation part to prevent loosening; And a cover which covers the front surface of the frame to protect the locking portion and makes the appearance beautiful.

The support portion has a plurality of fastening holes are formed at the bottom of the support is fixed by a fastening means and a separate fastening means installed in the machine room, a coupling pipe welded and fixed horizontally to the upper end of the support, and one end is inserted into the coupling pipe It is fixed by a separate fastening means, the other end is characterized in that the frame is made of an extension that is assembled, installed by the fastening means.

The rotating part is rotatably inserted and fixed to the fixing ring installed in the frame, the outer shaft and the inner periphery of the predetermined length of the front end portion protruding forward through the frame and each of the rotating shaft formed with a thread, and the inside of the frame A driving sprocket coupled to and fixed on the rotation shaft to be positioned and engaged with the pullless plaque of the rotation drum to transmit a driving force, and a rotation ring coupled and fixed on the rotation shaft to be positioned at the front of the frame; The sprocket is coupled to the rotary ring, and is assembled to the fixed sprocket connected by the locking unit, and a screw thread is formed on the upper inner circumference of the screw to be screwed to the screw thread formed on the outer circumference of the rotating shaft. An installed handle, a fixing bolt screwed to a thread formed on an inner circumference of a front end of the rotating shaft, and And the frame and between the rotary ring, the rotating ring and the fixed sprocket between, characterized in that the number of spare Ayrshire positioned between the rotating body of the fixed sprocket and the steering wheel, consisting of a friction plate located between the rotatable shaft and the fixing bolt.

The locking part has a hinge formed to protrude on the front of the frame, and a hinge hole is formed at the lower portion so as to be rotatably coupled to the hinge, and the locking gear protrudes integrally so that the locking portion can be engaged with the fixed sprocket of the rotating part. The hook is formed on the upper part of the hook is formed to protrude to a predetermined length, the fixing piece is formed with a fixing hole so that the fixing member of the hook can be inserted, is coupled to the fixing member of the hook is supported by the fixing piece, The hooking gear of the hook is characterized by consisting of a spring to be engaged with the fixed sprocket.

As described above, by providing a lift device for maintenance of the escalator control panel of the present invention, the control panel can be easily and quickly lifted from the cramped machine room of the escalator to improve the working environment so that maintenance work of the control panel can be performed outside the machine room. It is a useful invention that can minimize the occurrence of accidents and greatly improve the efficiency and productivity of work.

1 is an exemplary view schematically showing the structure of an escalator.
2 is a front view of the present invention.
3 is a side view of the present invention.
Figure 4 a, b, c is an exemplary view showing the main parts of the rotating part of the present invention.
Figure 5 is an exemplary view showing an enlarged view of the installation state of the frame and the rotating drum of the present invention.
Figure 6 is a side cross-sectional view showing a wound state of the band by the operation of the rotary part of the present invention.
Figure 7 is a side cross-sectional view showing an unwinding state of the band by the operation of the rotary part of the present invention.
8 a, b is a front view illustrating the operating state of the locking portion of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

As shown, the lift apparatus for maintenance of the escalator control panel of the present invention includes a support unit 100, a frame 200, a rotating drum 300, a rotating unit 400, a locking unit 500, and a lid 600. And, it is installed only during the maintenance work of the control panel 30 installed inside the machine room 20 of the escalator 10, and after the maintenance work is removed so as not to interfere with walking.

The support part 100 supports the control panel 30 installed in the machine room 20 of the escalator 10 to be raised to a predetermined height, and has a plurality of strengths capable of supporting the load of the control panel 30. The metal pipes may be connected to each other to have a "-" shape.

At this time, the support portion 100 is formed with a plurality of fastening holes 112 in the lower support 110, which is fixed by a separate fastening means and a fixing means 22 installed in the machine room 20, and the support 110 Joining pipe 120 to be welded and fixed horizontally to the top of the, one end is inserted into the coupling pipe 120 is fixed by a separate fastening means, the other end the frame 200 is assembled by the fastening means, It is preferably made of extension 130 is installed.

" 형태로 절곡시켜 구비되는 것으로서, 상기 지지부(100)에 고정, 설치되며, 전/후방으로 관통된 축공(210)에는 각각 고정링(220)을 일체로 용접, 고정하면 되는 것이다.The frame 200 is a metal plate of a certain thickness "

"Bending in form, it is fixed and installed in the support portion 100, it is to be welded and fixed to the fixed ring 220 integrally to each of the shaft hole 210 penetrated to the front / rear.

The rotary drum 300 is provided as a cylindrical rotatably mounted in the frame 200, one end of the band 310 is formed with a ring 312 at the end to be connected to the control panel 30 It is to be fixed and wound around the outer periphery, to form a pullless plaque 320 integrally to the front to be rotated at the same time by receiving a rotational force to the rotating unit 400.

The rotating unit 400 transmits a manually generated rotational force to the rotating drum 300, and rotates the pullless plaque 320 of the rotating drum 300 in a forward / reverse direction to raise / lower the control panel 30. It is to be rotatably mounted to the frame 200 to be able to.

At this time, the rotation unit 400 is rotatably inserted and fixed to the fixing ring 220 installed in the frame 200, the outer periphery of the front end of a predetermined length protruding forward through the frame 200 At the periphery, each of the rotating shafts 410 having threads 412 and 414 formed thereon is coupled to and fixed on the rotating shaft 410 so as to be located inside the frame 200, and the pulley of the rotating drum 300. A driving sprocket 420 engaged with the sprocket 320 to transmit a driving force, a rotation ring 430 coupled and fixed to the rotation shaft 410 so as to be located in front of the frame 200, and the rotation It is coupled to the ring 430 is assembled to the fixed sprocket 440 is connected to the locking unit 500 and the upper inner circumference to be screwed with the screw thread 412 formed on the outer periphery of the rotating shaft 410 A thread 452 is formed, and a handle 454 is rotatably installed at a lower portion thereof. 450 and a fixing bolt 460 which is screwed to the thread 414 formed on the inner circumference of the front end of the rotary shaft 410, between the rotary ring 430 and the fixed sprocket 440, the fixed sprocket ( 440 and a plurality of spacers 470 located between the rotating body 454 of the handle 450 and the friction plate 480 is located between the rotating shaft 410 and the fixing bolt 460 is preferable.

In this case, the fixed sprocket 440 is a conventional ratchet sprocket that is rotated in only one direction is used.

On the other hand, the locking unit 500 may be installed on the front of the frame 200 to prevent the rotation of the rotating unit 400.

In this case, the locking part 500 has a hinge 510 formed to protrude on the front surface of the frame 200, and a hinge hole 522 is formed at the lower portion so as to be rotatably coupled to the hinge 510, The hooking gear 524 protrudes and is integrally formed in the middle portion so as to be engaged with the fixing sprocket 440 of the rotating part 400, and the hook 520 formed so that the fixing stand 526 protrudes to a predetermined length is formed thereon. The fixing piece 530 has a fixing hole 532 formed therein so that the fixing stand 526 of the hook 520 can be inserted thereinto, and is fixed to the fixing stand 526 of the hook 520 by the fixing piece 530. It is preferably made of a spring 540 to be engaged with the fixed sprocket 440 by the locking gear 524 of the hook 520 by its elasticity.

The cover 600 covers the front surface of the frame 200 to protect the locking part 500 and to enhance the appearance. The cover 600 is provided with a metal plate having a predetermined thickness to separate the frame 200 by a separate fastening means. In the drawings, reference numeral 700 denotes a spacing control spacing device for adjusting the spacing of the rotating shaft, and 800 is a snap ring for fixing the rotating shaft.

Assembly and installation of the lift device of the present invention made of a plurality of components as described above, first, by inserting the fixing ring 220 into the shaft hole 210 formed to penetrate the front / rear of the frame 200, respectively, welding, After the fixing, the rotation shaft 410 is rotatably inserted into the fixing ring 220, and the driving sprocket 420 is fixed on the rotation shaft 410 to protrude forward and backward of the frame 200. On the rotating shaft 410 is to combine the spacing control spacing 700 respectively.

Subsequently, by combining the rotary ring 430 on the rotary shaft 410 to be fixed integrally, the spacer 470, the fixed sprocket 440 and another spacer 470 sequentially in the rotary ring 430 After coupling to the screw thread 412 formed on the outer periphery of the rotary shaft 410 and the screw thread 452 formed on the handle 450 to assemble the handle 450 and then the rotary shaft 410 of the The screw thread 414 and the fixing bolt 460 formed on the inner circumference are screwed together, but the friction plate 480 is fastened to be positioned between the rotation shaft 410 and the fixing bolt 460.

The rotatable drum 300, in which the pullless plaque 320 is integrally formed, is rotatably installed in the frame 200, and the pullless plaque 320 and the fixed sprocket 440 are engaged with each other. After fixing one end of the band 310 having the ring 312 formed on the rotating drum 300, the locking unit 500 is installed on the front surface of the frame 200, and then the cover 600 is fastened as a frame ( It is to be installed on the front of the 200 to be able to protect the locking unit 500.

In addition, after a plurality of component parts are assembled and securely fastened to one end of the extension 130 of the support part 100, the other end of the extension 130 is inserted into the coupling pipe 120. By adjusting and fixing to a predetermined length, the lifting device is completed by integrating the support 110 at a lower portion of the coupling pipe 120 to form a right angle.

The operation of the lift device of the present invention completed as described above, first, when the inspection and maintenance work of the control panel 30 is carried out, the bottom plate is removed, and then the support portion 100 of the fixing unit 22 installed inside the machine room 20 After inserting the support 110 to adjust to the appropriate height using a plurality of fastening holes 112, and then firmly connected to the fixing table 22, the installation is completed for the use of the lift device, the control panel at this time Depending on the weight of 30, the lift device of the present invention can be installed and used up to two to four.

Subsequently, the hook 312 formed at the band 310 having one end fixed to the rotating drum 300 is connected to the control panel 30, and the handle 454 is rotated in one direction. ) Is fastened to the thread 412 formed on the outer circumference of the rotating shaft 410 and is moved to the frame 200 side.

Subsequently, the handle 450 moves to the frame 200 and is disposed between the handle 450 and the fixed sprocket 440 and between the fixed sprocket 440 and the rotary ring 430, respectively. Simultaneously sliding toward the rotary ring 430, each contact surface is in close contact with each other to generate a strong friction force.

Subsequently, when the handle 450 is rotated, the fixed sprocket 440 and the rotation ring 430 fixed to the rotation shaft 410 rotate together with the friction force generated from the close contact surface, thereby being coupled to the rotation shaft 410. As the driving sprocket 420 is rotated and the full sprocket 320 engaged with the driving sprocket 420 is interlocked, the band 310 is wound around the rotating drum 300 as the rotating drum 300 rotates. The control panel 30 is raised to a predetermined height, and at this time, a predetermined interval is spaced apart from the friction plate 480 installed between the rotation shaft 410 and the fixing bolt 460 and the handle 450.

In addition, the fixed sprocket 440 is rotated while the rotational force to the elasticity of the spring 540 of the locking portion 500 to push the locking gear 524 of the hook 520, the handle 450 The stop gear 524 formed on the hook 520 of the locking part 500 is engaged with the fixed sprocket 440 by the elasticity of the spring 540 when the rotation of the locking part 500 stops. The rotation of the rotating shaft 410 does not occur even when the) is released.

 That is, the hook 520 to the fixed sprocket 440 is rotated only in one direction by generating a strong friction force to the fixed sprocket 440 and the plurality of spacers 470 installed on the rotary ring 430 by the handle 450. Because the locking gear 524 is engaged and fixed, the band 310 wound on the rotating drum 300 is not released, so that the control panel 30 is kept in an elevated state so that the worker is cramped inside the machine room 20. Since maintenance is not performed in the company, safety accident prevention and work efficiency and productivity can be improved.

On the other hand, in order to complete the maintenance work of the control panel 30 is returned to the original, first, the handle 450 is rotated in the reverse direction by holding the handle 454 of the handle 450 to the outer periphery of the rotating shaft 410 Rotating movement in the opposite direction along the formed thread 412 is in close contact with the friction plate 480 provided between the rotating shaft 410 and the fixing bolt 460 to generate a strong friction force.

Subsequently, when the rotating shaft 410 moves to the fixing bolt 460 side, the spacing 470 installed between the handle 450 and the fixed sprocket 440 and between the fixed sprocket 440 and the rotating ring 430. Since the rotary shaft 410 and the rotary ring 430 of the rotary unit 400 is separated by a predetermined interval therebetween, the rotating shaft 410 while maintaining the locked state of the locking unit 500 connected to the fixed sprocket 440. ).

That is, the fixed sprocket 440 of the rotating part 400 is engaged with the locking gear 524 of the hook 520 and is kept in a locked state continuously, but as the friction force applied to the fixed sprocket 440 is released, the rotating shaft The fixed sprocket 440 does not rotate even though the 410 and the rotation ring 430 are rotated, thereby maintaining the locked state.

Subsequently, if the handle 450 continues to rotate, the rotation ring 430 coupled to the rotation shaft 410 rotates at the same time as the handle 450, and the rotation shaft 410 separated from the locking part 500 is reversed. When rotated, the full sprocket 320 engaged with the driving sprocket 420 coupled to the rotating shaft 410 is also rotated in the reverse direction, and the band 310 wound around the rotating drum 300 is released to the control panel 30. It will be able to safely and quickly return to.

The lift apparatus of the present invention as described above is easily installed on one side of the machine room 20 during the inspection and maintenance work of the control panel 30 to raise the control panel 30 installed inside the machine room 20 to the outside to make maintenance work safe. And it can be carried out efficiently, and after the maintenance work can return to the control panel 30 to the original and then quickly remove the lift device can minimize the inconvenience caused by the passage of pedestrians.

On the other hand, the present invention has been described with reference to the preferred embodiments of the present invention as being capable of various modifications, but the present invention is not limited to these embodiments, and the embodiments are simply combined with the conventional known art Together with the claims and the detailed description of the present invention it will be seen that the technology that can be used by those skilled in the art that the present invention belongs to be included in the technical scope of the present invention.

100: support 110: support
120: coupling tube 130: extension
200: frame 210: shaft ball
220: fixed ring 300: rotating drum
310: band 320: fullless placket
400: rotating part 410: rotating shaft
420: drive sprocket 430: rotary ring
440: fixed sprocket 450: handle
460: fixing bolt 470: spacing
480: friction plate 500: locking part
510: hinge 520: hook
522: hinge ball 524: locking gear
530: fixed piece 540: spring
600: cover

Claims (4)

A support part 100 assembled and installed vertically on one side of the machine room of the escalator to support the control panel to be raised to a predetermined height;
The frame 200 is fixed and assembled to the support part 100, and the fixing ring 220 is integrally installed at each of the shaft holes 210 penetrating forward and rearwards.
Rotatingly mounted to the frame 200, the band 310 is formed on the outer periphery of the band 310 is formed on the end so as to be connected to the control panel 30, the pullless plaque 320 is integrally rotated Drum 300;
A rotatable unit 400 rotatably mounted to the frame 200 to rotate the pullless plaque 320 of the rotary drum 300 in a forward / reverse direction;
A locking part 500 installed at the front of the frame 200 to fix the rotation part 400 to prevent loosening; And
Lift cover for escalator control panel maintenance, characterized in that it comprises a; cover (600) to cover the front surface of the frame 200 to protect the locking unit 500, the appearance is beautiful.
The method of claim 1,
The support part 100 is formed with a plurality of fastening holes 112 at the bottom, the support 110 is fixed by a separate fastening means and the fixing table 22 installed in the machine room 20, the upper end of the support 110 Joining pipe 120 is welded and fixed to the horizontal and one end is inserted into the coupling pipe 120 is fixed by a separate fastening means, the other end the frame 200 is assembled and installed by the fastening means Escalator control panel maintenance lift device, characterized in that consisting of the extension 130.
The method of claim 1,
The rotation unit 400 is rotatably inserted and fixed to the fixing ring 220 installed in the frame 200, the outer periphery and the inner periphery of the front end of a predetermined length protruding forward through the frame 200 A rotating shaft 410, each of which has threads 412 and 414,
A driving sprocket 420 coupled to and fixed on the rotating shaft 410 so as to be positioned inside the frame 200, engaged with the pullless plaque 320 of the rotating drum 300 to transmit a driving force;
Rotating ring 430 is coupled and fixed on the rotating shaft 410 to be located in the front of the frame 200,
A fixed sprocket 440 coupled to the rotary ring 430 and connected by the locking part 500;
A handle thread 452 is formed on an upper inner circumference to be screwed with a screw thread 412 formed on an outer circumference of the rotating shaft 410, and a handle 450 on the lower portion thereof rotatably installed;
A fixing bolt 460 screwed to the thread 414 formed at the inner circumference of the front end of the rotary shaft 410,
Multiple frames are located between the frame 200 and the rotary ring 430, between the rotary ring 430 and the fixed sprocket 440, and between the fixed sprocket 440 and the rotating body 454 of the handle 450. Lifter for maintenance of the escalator control panel, characterized in that consisting of a spacer 470 and the friction plate 480 located between the rotating shaft 410 and the fixed bolt 460.
The method of claim 1,
The locking part 500 is a hinge 510 formed to protrude on the front of the frame 200,
A hinge hole 522 is formed at a lower portion of the hinge 510 to be rotatably coupled to the hinge 510, and a locking gear 524 is integrally formed at the middle portion thereof so as to be engaged with the fixed sprocket 440 of the rotating unit 400. Protruding into, and formed, the hook 520 formed on the upper portion to protrude a fixed length,
A fixing piece 530 having a fixing hole 532 formed therein so that the fixing table 526 of the hook 520 can be inserted therein;
A spring coupled to the fixing stand 526 of the hook 520 and supported by the fixing piece 530, and the locking gear 524 of the hook 520 engages with the fixing sprocket 440 by its elasticity. Lift device for maintenance of the escalator control panel, characterized in that consisting of 540.

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