KR101276768B1 - Lift car for ceiling work and control method thereof - Google Patents

Abstract

PURPOSE: A lift car for a ceiling work is provided to selectively operate a dust collector according to the concentration of dust and to enable a worker to focus on a ceiling work without driving a lift car by presetting the movement of the lift car. CONSTITUTION: A lift car for a ceiling work comprises a dust collector and a dust collecting hood(140). The dust collecting hood comprises a dust collecting unit(141), a filtering mesh(143), a hood connection pipe(144), and a waste collecting box. The hood connection pipe guides the inhaling force of the dust collector to the dust collecting unit. The waste collecting box comprises a housing, a bag fixing unit, and one or more rotation levers. The bag fixing unit adjusts an internal space according to the size of a waste bag inside the housing to fix the waste bag. One or more rotation levers move the bag fixing unit in the front and rear direction along the rotation direction of a screw rod inserted into the housing by being connected to the handle protruded on the outer side of housing.

Description

Lift car for ceiling work and control method

The present invention relates to a lift car for ceiling work, and in detail, the lift car with which the work platform is raised and lowered to enable the ceiling work is automatically moved forward and stop in accordance with the work space and progress of the worker, and the dust generated during the work place In addition, the present invention relates to a lift car for ceiling work that can be collected immediately so as not to scatter.

Many structures, such as bridges, roads, and other buildings, which have been created in the process of urbanization and industrialization, are gradually aging over the years, and in recent years, reconstruction and redevelopment has been actively promoted in many regions to improve the living culture. have.

In the process of dismantling, reconstructing, and redeveloping old structures, many construction wastes are generated. If the construction wastes are reclaimed, landfills are not only difficult to secure, but also have a high cost of landfills and seriously affect the environment.

In particular, the work of dismantling the finishing materials of the ceiling of the building is to remove the ceiling finishing materials or work on the work platform extending in one direction in the room by riding on a lift that the worker is moving up and down. By installing a working space, a lift car for ceiling work was developed.

However, in the conventional ceiling work lift car, the operator drives the lift car to stop at the work position, proceeds to the ceiling work, and when the work is completed at the corresponding position, the worker must move to the next position by driving the lift car again. In other words, the conventional lift car for ceiling work has a problem that the operator w is inconvenient because the operator must operate the lift car at the same time as the ceiling work.

However, in the related art, since the worker only wears a dust mask and does not install a separate dust collector, the worker may inhale dust containing asbestos or other heavy metals generated during the work, which seriously affects the health of the worker and is scattered off-site. There was a problem of polluting the air in the surrounding area.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to collect the dust generated during the ceiling work in the field to prevent the environmental pollution by preventing the scattering of dust in the worker's health and the site. The present invention provides a lift car equipped with a dust collector that can be prevented.

Another object of the present invention is to reduce the labor cost when applying the lift car for ceiling work, the ceiling work lift to automatically move and stop the ceiling work lift car for each time zone set from the start point to the target point to increase the efficiency of the work To provide a control method of the car.

The present invention includes the following embodiments in order to achieve the above object.

In a first embodiment of the present invention, a lifting support for lifting and lowering a work table constituting a work space, which forms a flat top surface from a top surface, is mounted on a moving member and is movable. The lift car for ceiling work generates a suction force. Dust collector to suck the dust generated during operation; And a dust collecting hood fixed to the work table and positioned under the ceiling to collect dust generated by the suction force transmitted from the dust collector, and to deliver the dust to the dust collector, wherein the dust collecting hood has an upper surface open in one direction. A collecting unit located below and below the ceiling where the work is started to collect dust by the suction force generated by the dust collector; A filtering net that is fixed at the inner side of the collecting unit and has a plurality of micropores formed to filter waste other than dust; A pipe extending vertically from the lower portion of the collecting portion guides the suction force of the dust collector to the collecting portion, and includes a hood connecting tube for transferring the dust collected from the collecting portion to the dust collector.

In the second embodiment of the present invention, the dust collection hood is a handle protruding from the lower end of the collecting portion; And it is preferable to further include a bellows-shaped wrinkles made of a plurality of pleats on the outer surface of the hood connection tube.

In the third embodiment of the present invention, the dust collection hood further comprises a blower is fixed on the inner surface of the collecting portion for blowing compressed air to the upper surface of the strainer.

In a fourth embodiment of the present invention, the ceiling lift car is detachably fixed to one or more safety rods extending vertically and horizontally from the workbench to further collect a waste container for storing a waste bag for storing the waste collected after the work. The waste collection box includes a housing having an empty space formed therein; A hook formed in an annular shape to be hooked to a safety rod of the work table on an outer surface of the housing; Bag fixing means for fixing the waste bag by adjusting the inner space in accordance with the size of the waste bag in the housing; And one or more rotations of the handle protruding from the outer surface of the housing, and the screw rods connected to the handle are inserted into the housing to move the bag fixing means in the front and rear directions according to the direction in which the handle is connected to and rotated respectively. It comprises a lever, wherein the bag fixing means is an upright cross-section formed to be spaced apart from any one side of the housing fixed to the bottom surface of the housing; A front movable plate which is fixed to be movable in a position facing the fixed plate and moves or moves backward in the direction in which the fixed plate is positioned when the rotary lever is rotated; An upright cross section extending between the fixed plate and the front moving plate includes a pair of side moving plate for moving forward or backward in a direction facing each other according to the rotation direction of the rotary lever.

In the fifth embodiment of the present invention, the front plate is formed with a hollow space on the inside and the outer surface is connected to the rotary lever in the center plate movable in the front and rear directions; And first and second plates extending to the left and right sides of the center plate so as to be inserted into the center plate.

In the sixth embodiment of the present invention, the ceiling lift car is a dust sensor for detecting dust and outputting a dust detection signal as an electrical signal having a different level according to the concentration of dust; A dust collecting controller for selectively controlling the intensity of suction force of the dust collector in accordance with the concentration of dust detected by the dust sensor; A movement controller controlling the movement member to move or stop; A control unit which receives the dust detection signal of the dust sensor to control the dust collecting controller and applies a moving or stopping command to the moving controller to the moving controller; An obstacle detecting sensor detecting an existence of an obstacle in a moving direction of the lift car and applying an obstacle detecting signal to the controller; And a buzzer for outputting a voice signal under the control of the controller, wherein the controller controls the movement controller according to a movement period for stopping the movement after the movement of the distance set by the set speed within the set movement section. The ceiling lift car controls the movement controller to move and stop automatically within the set movement section.

The seventh embodiment of the present invention relates to a control method of a lift car for a ceiling work, and the present invention provides a setting for inputting a setting condition including a moving speed, a travel section, a travel distance, and a stop time for automatic operation of a lift car for a ceiling work. step; A lift car driving step of moving the lift car according to a setting condition set in the setting step; A timer counting step of counting a time at the start of automatic driving of the lift car; A movement distance calculation step of calculating a movement distance after the start of automatic driving of the lift car; A movement control determining step of determining whether the setting condition corresponds to the setting condition based on the time counted in the timer counting step and the moving distance calculating step; And a movement control step of stopping for a predetermined time when the lift car is moved by a distance corresponding to a setting condition in the movement control determination step.

In an eighth embodiment of the present invention, the control method of the lift car for ceiling work includes: a driving determination step of determining whether the obstacle is present in the moving direction of the lift car or whether the driving section set in the setting step is completed; And a buzzer step of driving a buzzer when an obstacle exists in the moving direction of the lift car or the driving section is completed in the driving determination step. And a stop step of stopping the lift car after the buzzing step.

In the present invention, since the moving section is set in the ceiling work lift car to set the position and time to move and stop, the operator can concentrate on the ceiling work without driving the lift car, thereby reducing the labor cost because the workforce is reduced, and the dust is reduced. According to the concentration of the dust collector can be selectively driven, there is an effect of preventing unnecessary waste of energy.

In addition, the present invention is located close to the ceiling dust collection hood and dust is generated at the same time can be immediately collected to prevent the scattering of dust has the effect of preventing the hygiene of the work space and pollution of the surroundings.

In addition, the present invention can be equipped with a removable waste container in the lift car can be omitted because the process of delivering the waste during the operator's work time can be very shortened, the workforce is reduced and the labor cost savings effect have.

In addition, the present invention can adjust the size of the space according to the size of the waste bag in the inner space of the waste collection box has the effect that the selection of the applicable waste bag can be widened.

1 is a perspective view illustrating a lift car for ceiling work according to the present invention;
Figure 2 is a side cross-sectional view showing the tip of the dust collection hood in the lift car for ceiling work according to the invention,
Figure 3 is a side cross-sectional view showing a fastening structure of the hood connecting pipe and the hood support pipe in the lift car for ceiling work according to the invention,
Figure 4 is a perspective view showing another embodiment of the lift car for ceiling work according to the present invention,
5 is a perspective view showing a waste collection box in a lift car for ceiling work according to the present invention;
6a and 6b are a plan view of the waste collection box in the lift car for ceiling work according to the invention,
7 is a block diagram of a lift car for ceiling work according to the present invention;
8 is a flowchart illustrating a control method of a lift car for ceiling work according to the present invention;
9 is a simplified view for explaining a control method of a lift car for ceiling work according to the present invention;
10 is a flowchart illustrating a lift car-on step in the control method of the lift car for ceiling work according to the present invention.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the lift car for ceiling work according to the present invention will be described in detail.

1 is a perspective view showing a lift car for ceiling work according to the present invention.

Referring to FIG. 1, the lift car for ceiling work according to the present invention includes a work platform 110 on which an operator rides, a lifting support 170 for raising and lowering the work platform 110 up and down, and a suction force for collecting dust. A dust collector 120 for storing generated and collected dust, a movable member 130 supporting the work table 110 and the dust collector 120 and moving in the front, rear, left, and right directions, and a dust collection hood 140 for collecting dust; The hood support tube 150 connects the dust collector 20 and the dust collecting hood 140.

The moving member 130 is supported to be movable by one or more wheels 132, the flat surface so that the work table 110, the dust collector 20 and the lifting support 170 on the upper surface 131 is seated and supported To achieve this, the following obstacle detecting sensor 240 for detecting the front and rear is fixed to the front and rear, respectively. In addition, the wheel 130 is driven by the movement command output from the operating table 113, the movable member 130 is possible to move in the front and rear direction and direction change.

The work table 110 is a flat panel, the work panel 111 forming a bottom surface to form a work space of the worker, the work table 111 to protect the worker from the work panel 111, and the movable member 130 And an operating panel (not shown) provided with a plurality of moving commands for outputting driving commands of the dust collector 120 and the lifting support 170, a lifting command, and a dust collecting command (not shown). 113). Here, the operating table 113 is configured with a control device 200 as shown in Figure 7 below.

The work panel 111 is supported by the lifting support 170 to form a work space for the operator to ride as a panel of the plane to be moved up and down. Here, the work panel 111 is supported at the lower end is fixed to the upper side of the lifting support 170.

The safety belt 112 has one or more safety rods 121 that extend horizontally and vertically so as to protrude upward from both front and side edges of the work panel 111 to protect the worker located on the work panel 111 from falling. Cross to cross each other to be fixed to the work panel 111 to form a wall partitioning the work panel 111.

The operating table 113 is a housing type protruding upward from the bottom surface of the work panel 111 and outputs an operation command of the moving member 130, the lifting support 170, and the dust collector 120 from an upper surface thereof. An operating panel (not given a number) is provided, which is composed of several operation switches, handles and brake pedals (not shown). In addition, the operating table 113 is fixed to the dust collecting hood 140 and the upper metal pipe 151 of the hood support tube 150 by a fixing belt 147 below.

The lifting support 170 is formed to be folded and stretched a plurality of metal rods having different diameters are vertically extended and folded by a control signal applied from the operating table 113. That is, the lifting support 170 is a plurality of metal rods having a diameter that is sequentially reduced into the metal rod of the largest diameter fixed to the lower portion of the work panel 111 is folded, or of the metal rod having the largest diameter It extends sequentially from the inside.

At this time, the lowermost metal rod having the smallest diameter is fixed to the upper surface 131 of the moving member 130, and the uppermost metal rod having the largest diameter is fixed to the lower portion of the work table 110. In addition, the lifting support 170 is extended upward when the work platform 110 is elevated by the driving of the motor, and downward when the work platform 110 is lowered, a plurality of metal rods are folded sequentially. Detailed configuration for this is omitted because the detailed description and drawings.

The dust collector 120 generates suction force of air and stores collected dust. Here, the dust collector 120 adjusts the strength of the suction force under the control of the dust collector, and is connected to the dust collection hood 140 through the hood support tube 150.

The dust collector 120 generates suction power by driving a fan (not shown) and a motor (not shown) from the inside, and filters for filtering asbestos or heavy metals from the sucked dust (not shown in the figure). And a storage space of dust provided on the inside thereof. Since the filter, the fan, the motor, and the storage space are applied to the configuration of the general dust collector 120, detailed descriptions and drawings are omitted.

The dust collection hood 140 is a tube formed in the inner space extending in the vertical direction is fastened detachably with the hood support tube 150, and collects and transports the dust around by the suction force transmitted from the dust collector 120 This will be described in detail with reference to FIG. 2.

Figure 2 is a side cross-sectional view showing the tip of the dust collection hood in a lift car for ceiling work according to the present invention.

Referring to FIG. 2, the dust collecting hood 140 has a collecting part 141 for collecting dust from a tip, a pleating part 148 for rotating the collecting part 141 up and down, and a lower part of the collecting part 141. A handle 142 protruding from the hood connection tube 144 extending downward from the collecting unit 141 and a fixing groove 145 protruding upward and downward from an outer surface of the hood connection tube 144 to form a groove therebetween. ), A strainer 143 for filtering waste other than dust from the inner side of the collecting unit 141, a blower 230 for spraying compressed air from the inside of the collecting unit 141, and the fixing groove. A hood belt tube 146 fixed to the fixing belt 147 and the hood connector tube 144 rotatably mounted at 145 to secure the hood connector tube 144 to the operating table 113. It includes.

The collecting part 141 is connected to the hood connecting pipe 144 at the lower side of one side, 'b' shaped to extend to the other side is located directly below the ceiling to the operator to discard the finish of the ceiling, etc. Make sure to inhale dust generated when it occurs. To this end, the collecting unit 141 is formed to extend in the other direction with respect to the hood connecting pipe 144 is formed to form a work space of the worker below.

The collecting part 141 is open to the upper surface and the suction force generated in the dust collector through the hood connection pipe 144 to suck the dust generated by the suction force generated when dismantling the finish of the ceiling, etc. immediately.

The strainer 143 is fixed at the inner side of the collecting unit 141, and a plurality of micropores are formed to block only the dust and other wastes.

The handle 142 is protruded from the lower surface of the collecting unit 141 so that the worker riding on the work table rotates the collecting unit 141 in up and down and left and right directions.

The hood connection pipe 144 extends from the lower portion of the collecting unit 141, transfers suction force of the dust collector to the collecting unit 141, and supports dust that is sucked from the collecting unit 141. Transfer to the tube (150).

The wrinkles 148 is made of a bellows bellows corrugated on the outer surface of the hood connecting pipe 144 so that the collecting portion 141 is rotatable in the vertical direction.

The blower 230 is one or more on the inner surface of the collecting portion 141 on the opposite side to the direction located in the hood connecting pipe 144 on the upper side or the lower side of the strainer 143 in the inner side of the collecting portion 141 It is fixed to spray the compressed air to facilitate the suction of dust in the collecting unit 141.

That is, the present invention has a suction force generated through the hood connecting pipe 144 because the collecting portion 141 has a shape extending in one direction at the position where the hood connecting pipe 144 is connected as a 'b' shape. The blower 230 may be provided at a position opposite to the hood connecting pipe 144 through the blower 230.

One or more fixing grooves 145 are formed upward and downward from an outer surface of the hood connection pipe 144. At this time, the fixing groove 145 is formed to protrude two wall surfaces spaced upward and downward to form a space in which the fixing belt 147 below is seated.

The fixing belt 147 is made of a metallic material or a plastic material, respectively, in the fixing groove 145 at least one of which is installed at the outer surface of the uppermost top of the hood support tube 150 and the outer surface of the hood connecting tube 144. It is seated. Both ends of the fixing belt 147 extending in the longitudinal direction are in close contact with the rear surface of the operating table 113, and screws are inserted into both ends of the fixing belt 147, which are in close contact with the rear surface of the operating table 113. To fix the hood connector 144.

The hood rotating tube 146 is formed on the inside of the rotating bearing 1463 is fastened so as to be rotatable in the left and right directions at the lower end of the hood connecting pipe 144, the lower side of the hood support tube 150 A packing 1462 protruding from the outer surface and a screw hole penetrating up and down are formed to be fixed to the upper metal tube 151 in a sealed state to form a joining protrusion 1541 extending horizontally.

The rotating bearing 1463 is formed on the upper inner surface of the hood rotating tube 146 and rotatably supports the hood connecting tube 144 inserted from the upper side.

The joining protrusion 1462 is formed to protrude from the outer surface of the metal tube placed on the top of the hood rotating tube 146 and the hood support tube 150, and is formed with a screw hole penetrating up and down. At this time, the joining protrusion 1462 is a pair of lower ends of the hood rotating tube 146 is inserted into the upper side of the hood support tube 150 and bonded to each other. At this time, as the screw (1462) is fastened in communication with the screw hole of the joining protrusion (1461) to fix the hood rotating tube 146 and the hood support tube 150.

The packing 1462 is fixed to an outer surface of the hood rotating tube 146 and is in close contact with the inner surface of the hood supporting tube 150 to seal between the hood supporting tube 150 and the hood rotating tube 146.

The hood support tube 150 is made of a plurality of metal pipes having a smaller diameter than the uppermost metal pipe 151 fastened to the bottom of the hood rotating tube 146 to be detachable, the lifting support 170 It is fixed to the rear of the operating table 113 by the fixing belt 147 to be linked to the rising and falling of. Accordingly, the hood support tube 150 is sequentially extended from the uppermost metal pipe 151 having the largest diameter in linkage with the lifting support 170 is extended and the work platform 110 is elevated.

Here, the hood support tube 150 is sucked from the dust collection hood 140 as the metal pipe at the bottom is connected to the connection pipe 152, the plurality of metal pipes are formed to communicate with each other to form an empty space inside. The received dust is delivered to the connection pipe 152 again.

Here, the hood support tube 150 has a lower end of the hood rotating tube 146 is inserted into the upper side from the top, and includes a packing groove 1511 on the inner surface so that the packing 1462 is seated.

In addition, another embodiment of the present invention further includes a waste collection box 160 capable of storing the waste collected after the work and a waste bag 180 to accommodate and move the waste inside the waste collection box 160. The waste collection box 160 will be described in detail with reference to FIGS. 4 to 6.

Figure 4 is a perspective view showing another embodiment of the ceiling lift car according to the present invention, Figure 5 is a perspective view showing the waste collection in the lift truck for ceiling work according to the invention, Figure 6a is a lift car for ceiling work according to the present invention 6B is a plan view of the front plate.

4 to 6B, the waste collection box 160 is caught in a housing 161 having an empty space therein, and a safety rod 112 of the work bench 110 at one side of the housing 161. Hanging ring 162 is formed so as to adjust the inner space according to the size of the waste bag 180 in the inside of the housing 161, the bag fixing means 163 for fixing the waste bag 180, and the At least one rotary lever 164 for moving the bag holding means 163 in the front-rear direction.

The housing 161 has an upper surface and forms an empty space to accommodate the waste bag 180 therein, and the hook 162 is formed on one side thereof. In addition, at least one rotary lever 164 protrudes from an outer surface of the housing 161.

The bag fixing means 163 is a fixed plate 163a fixed on the inner surface of the housing 161, a pair of side moving plate 163b moving in a direction facing each other at mutually opposite positions, and the fixed plate ( And a front plate 163c moving in the front-rear direction at a position opposite to 163a.

Here, the housing 161, for example, when the housing 161 is formed in a quadrangle, the housing 161 may form first to fourth surfaces (not shown). Here, the first side and the fourth side (not shown in the drawing number) face each other, and the second side and the third side (not shown in the figure number) are set to face each other to be described.

The fixing plate 163a is spaced apart from the first surface of the housing 161 and fixed to the bottom surface of the housing 161 by welding.

The side moving plate 163b is fixed to be movable in a direction facing each other on the second and third surfaces facing each other on the inner surface of the housing 161. Here, the side moving plate 163b is moved in the front-rear direction by the rotation lever 164 extending from the outer surface of the housing 161.

The front plate 163c moves forward and backward in a direction in which the fixing plate 163a is positioned on the fourth surface of the housing 161 at a position facing the fixing plate 163a. Similarly, the front plate 163c is connected to the rotary lever 164 fixed to the outer surface of the housing 161 to be rotatable. In addition, the front plate 163c has a center plate 1633 having a hollow space formed therein so that the left and right widths can be adjusted in the form of a sliding door, and from the left and right sides of the center plate 1633 to the inside of the center plate 1633. The first plate 1631 and the second plate 1632 to be inserted are included.

The center plate 1633 is connected to the screw rod of the rotary lever 164 in the front or rear to move in the front and rear directions, so that the first plate (1631) and the second plate (1632) can be inserted and detached from the inside. Form an empty space.

The first plate 1631 and the second plate 1632 are formed to be inserted into and detached from the left side and the right side of the center plate 1633, respectively, with respect to the center plate 1633.

That is, the front plate 163c inserts the first plate 1631 and the second plate 1632 into the center plate 1633 according to the distance between the side plate 163b and the side plate. It may be adjusted to have a width less than the gap between the moving plate (163b).

The rotary lever 164 is formed with a handle 142 on one side, the screw rod extending in the longitudinal direction from the other side is inserted into the inner surface of the housing 161, the front plate 163c and the side plate 163b Are fixed to each. Therefore, when the rotation lever 164 rotates in the left and right direction, the front moving plate 163c and the side moving plate 163b are moved in the front and rear direction.

The waste collection box 160 configured as described above allows the worker to seat the waste bag 180 in an empty space between the fixed plate 163a, the side moving plate 163b, and the front moving plate 163c. In this case, the worker may fix the waste bag 180 by moving the side plate 163b and the front plate 163c in the front and rear directions according to the width or length of the waste bag 180.

That is, if the width of the waste bag 180 is narrower than the width of the waste container 160, the worker rotates the rotary levers 164 respectively connected to the pair of side moving plate 163b to the waste bag Move to be in close contact with 180.

Alternatively, the operator inserts the first plate 1631 and the second plate 1632 of the front plate 163c into the center plate 1633 so as to have a width smaller than the gap between the side plate 163b. By adjusting so as to move the front plate 163c between the side plate 163b.

The ceiling work lift car of the present invention includes the above-described configuration, and hereinafter, an apparatus and a method for controlling the ceiling work lift car will be described.

7 is a block diagram illustrating a lift car for ceiling work according to the present invention.

Referring to FIG. 7, the lift car for ceiling work according to the present invention includes a dust collecting controller 210 for controlling the suction force of the dust collecting hood 140, a dust sensor 220 for detecting dust generated during work, and the Blowers 230 and 230 for spraying compressed air from the dust collection hood 140, an obstacle detecting sensor 240 for detecting obstacles in front and rear, and the moving member 130 are moved and stopped for a set time. A movement controller 250 for controlling the speed, a timer 270 for counting time, a buzzer 280 for outputting a warning sound, an input unit 290 for outputting a command for setting a driving time and a distance, A control unit 260 for outputting a control signal.

The dust collecting controller 210 generates a suction force in the dust collector 120 according to the control signal of the controller 260, for example, by adjusting the rotation speed of the motor to adjust the strength of the suction force to suck dust. The dust collector 120 is controlled.

The dust sensor 220 detects a dust concentration nearby to apply a dust detection signal to the control unit 260. At this time, the dust detection signal output from the dust sensor 220 is an electrical signal having different levels according to the concentration of dust. Here, the dust sensor 220, for example, by applying an optical sensor (not shown in the figure) consisting of a light emitting element and a light receiving element is an electrical signal proportional to the amount of light received from the light receiving element Outputs Therefore, the dust concentration can be detected by changing the amount of light received by the light receiving element according to the surrounding dust concentration.

One or more blowers 230 are installed inside the dust collecting hood 140 and receive compressed air through a pipe or pipe (not shown). Here, the blower 230 receives the driving control signal of the controller and blows compressed air from the upper side and the lower side of the strainer, respectively, and blows dust in the direction in which the hood connection tube is located.

The obstacle detecting sensor 240 is installed at the front and the rear of the moving member 130, respectively, and detects the obstacles at the front and the rear and applies them to the controller 260. Here, the obstacle detection sensor 240, for example, by applying a laser or ultrasonic sensor (not shown in the drawing) to output the laser or ultrasonic wave forward or backward to receive the reflected laser or ultrasonic waves to determine the presence or absence of obstacles Detect.

The movement controller 250 controls the movement member 130 to control movement, stoppage and speed. That is, the movement controller 250 controls the movement member 130 to move a predetermined distance at a speed set by the control of the controller 260 and to stop for a predetermined time.

The timer 270 counts time and applies a counting signal of time to the controller 260.

The buzzer 280 outputs a voice signal under the control of the controller 260. In this case, the buzzer 280 may display the detection of obstacles in front and rear, an excess of weight, or the completion of a set section by a voice signal under the control of the controller 260.

The input unit 290 is configured as a plurality of switches or levers to output setting conditions. The input unit 290 sets a moving section, a moving speed, and a moving period of the lift car, and outputs the input setting condition to the controller 260. Here, the moving section is the distance of the movable section from the work start position of the lift car, and the moving period sets the moving distance and the stopping time. For example, the movement period is a command to stop 30 seconds after moving 2 meters in the set movement period.

The controller 260 outputs a dust collecting control signal to the dust collecting controller 210 according to the detection signal of the dust sensor 220, and controls and drives the blower 230. In addition, the control unit 260 receives the obstacle detection signal of the obstacle sensor 240 to drive the buzzer 280 to output the presence of an obstacle in the moving section of the lift car to the movement controller 250 Control to stop the lift car. In addition, the controller 260 controls the movement controller 250 according to the setting conditions (movement section, movement period, and movement speed) input from the input unit 290 to operate the moving member 130 according to the setting conditions. Control to control.

In addition, the controller 260 controls the movement controller 250 by receiving a counting signal of the timer 270.

Lifting work for a ceiling work according to the present invention includes the configuration as described above, will be described in more detail with reference to Figures 8 to 10 below the control method of the ceiling work lift car achieved through the configuration as described above. .

The control method of a lift car for ceiling work according to the present invention includes an automatic driving step of controlling the lift car to automatically operate according to a set condition, and a lift caron step of controlling the lift car by detecting an error and controlling the dust collection level in the automatic driving step. Include. The dual automatic operation step will be described with reference to FIGS. 8 and 9, and the lift caron step of FIG. 8 will be described in detail with reference to FIG. 10.

8 is a flowchart illustrating an automatic operation step in the control method of the lift car for ceiling work according to the present invention, Figure 9 is a simplified view for explaining an embodiment of a control method of the lift car for ceiling work according to the present invention.

8 and 9, in the present invention, the automatic driving step includes a setting step (S11) for inputting a setting condition, a lift car driving step (S12) for automatically driving the lift car under the setting condition set in the setting step; A timer counting step (S13) for counting time, a moving distance calculation step (S14) for calculating a moving distance of the moving member 130, and a movement for determining whether there is a corresponding setting condition to control the lift car according to the setting condition. Control panel cutting step (S15), the movement control step (S16) for driving the moving member 130 if the stop or moving condition of the moving member 130 of the lift car in the moving control determination step (S15), and obstacles Or a driving determination step (S17) for determining whether the driving section has been completed, a buzzer step (S18) for displaying an audio signal if it is determined that the obstacle or the set moving section is driven in the driving determination step (S17); remind After the low temperature step (S18) controls the moving member 130 and a stopping step (S19) of stopping.

The setting step S11 is a step of receiving and storing setting conditions inputted through the input unit 290 in the control unit 260. The setting condition may include at least one of a moving section and a moving speed or a moving period of the lift car. That is, the operator rides on the work bench 110 and sets the work section (for example, 20 meters) for setting the start point and the end point of the lift car through the input unit 290 installed on the work table 113. And set the period of movement distance and stop time in the whole work area.

At this time, the worker sets the moving speed of the lift car in the moving sections t1 to t8, and the moving distances t1, t3, t5 and t7 and the stop position t2 within the moving sections t1 to t8. , t4, t6, t8) and the stop time. Then, the operator rides on the work bench 110 to operate the handle of the manipulation table 113 to move to the work site. At this time, the connection pipe 152 is connected to the bottom end of the dust collector 120 and the hood support tube 150, respectively, the lifting support 170 and the hood support tube 150 are both folded state to be.

The lift car driving step (S12) is a step in which the control unit 260 controls the movement controller 250 and the dust collector 120 to move the lift car and turn on the dust collector 120. Here, the operator rides on the lift car, inputs the above setting conditions through the input unit 290, and sets the start point t1 and the end point t8 among the entire moving sections t1 to t8. Then, the worker drives the lifting support 170 to lift the work bench 110 to start the work of removing the ceiling finish.

In this case, the worker places the dust collection hood 140 at a distance from the ceiling where the work is to be performed so as to immediately suck the dust generated while removing the finishing material of the ceiling from scattering outside the corresponding place. To this end, the operator may set the position of the collecting unit 141 through the handle 142 formed at the lower portion of the collecting unit 141.

When the worker pushes or pulls the collecting part 141 upward or downward using the handle 142, the force is transmitted to the wrinkle part 148 formed of a bellows shape. Then, the wrinkle part 148 may be supported such that one wrinkle is shrunk and the other wrinkle is wound and the collecting part 141 is rotatable in the vertical direction.

In addition, when the worker pushes or pulls in the left and right directions through the handle 142, the dust collecting hood 140 is rotated in the left and right directions by the configuration of the hood rotating portion 145 and the bearing of the hood connecting pipe 144. .

Therefore, when dust is generated in the vicinity of the worker starting the work, the dust sensor 220 detects the surrounding dust to apply a dust detection signal to the control unit 260. In this case, since the dust sensor 220 outputs different electrical signals according to the dust concentration of the surroundings, the controller 260 may selectively control the suction force of the dust collector 120 according to the concentration of dust. Therefore, the controller 260 sets the level of suction force of the dust collector 120 according to the dust detection signal of the dust sensor 220 and outputs a control signal to the dust collector 210 and the blower 230. Therefore, the dust collecting controller 210 controls the dust collector 120 to generate a suction force corresponding to the level of the suction force set by the controller 260. In addition, the blower 230 blows dust in the direction in which the hood connecting pipe 144 is positioned by spraying the compressed air from the upper side and the lower side of the strainer 143, respectively,

Therefore, the dust generated during the operation is immediately collected by the collecting unit 141 to maintain the short distance to the ceiling. At this time, the dust is sucked dust is made of a smaller size than the size of the micropores of the strainer 143, dust or waste mass larger than the size of the micropores is caught on the upper surface of the strainer 143.

As described above, according to the present invention, the dust collecting hood 140 is located directly below and near the ceiling (for example, 20 to 30 cmm), so that dust is not scattered outside the work place, thereby preventing surrounding hygiene and contamination. .

In addition, the controller 260 applies a movement command to the movement controller 250 according to the setting condition. At this time, the movement controller 250 moves at the movement speed input in the setting step. At this time, the moving speed is preferably set to a low speed so that the worker can remove the ceiling finish of the corresponding position on the workbench 110.

In the timer counting step S13, the controller 260 turns on the timer 270, receives a counting signal of the time from the timer 270, and then moves or stops the time after the automatic driving of the lift car starts. To judge.

The moving distance calculation step S14 is a step of calculating the moving distance of the lift car by the controller 260. The controller 260 measures the movement distance of the lift car after applying the movement command to the movement controller 250. In this case, the controller 260 may check the speed and time of the lift car and measure the moving distance of the lift car. Since this is a known moving distance measuring method, description thereof is omitted.

The movement control determination step S15 is a step in which the control unit 260 determines whether to stop or move the lift car through the operation result of the movement distance calculation step S14. The controller 260 determines whether the moving member 130 corresponds to the moving period set in the setting step S11. That is, the control unit 260 determines whether the movement period setting condition of the 30-second stop after moving 2 meters in the setting step (S11). Here, the controller 260 may determine based on the movement distance calculated in the movement distance calculation step S14 and the counting signal of the timer 270 of the timer counting step S13.

The movement control step (S16) is a step of controlling the operation of the lift car in accordance with the determination result of the movement control determination step (S15) in the control unit 260. For example, if the control unit 260 moves 2 meters, which is the moving distance set in the setting condition, the control unit 260 applies the stop command for 30 seconds, which is the setting condition of the moving period, to the moving controller 250. do. Alternatively, if 30 seconds elapsed after the moving member 130 is stopped, a movement command is applied to the movement controller 250.

That is, the present invention stops the lift car for a predetermined time after moving the distance (t1, t3, t5, t7) set to a low speed for the work completion of the work during the working period (t1 ~ t8) (t2, t4, t6, t8) Repeat the process. Thus, the worker can continue the demolition work of the ceiling while the lift car is moving.

The driving determination step S17 is a step of determining whether the lift car is driven by receiving the obstacle detection signal of the obstacle detection sensor 240 in the controller 260. The obstacle detecting sensor 240 detects whether an obstacle exists in a direction in which the lift car moves and applies it to the controller 260. The controller 260 may determine whether the moving member 130 is driven by receiving the detection signal of the obstacle detecting sensor 240.

In the buzzer step S18, when the controller 260 receives an obstacle detection signal from the obstacle detection sensor 240 in the driving determination step S17, the buzzer 280 controls the buzzer 280 to alert the obstacle with a voice signal. The step of outputting. That is, when the obstacle detection signal of the obstacle detection sensor 240 is received, the controller 260 drives the buzzer 280 to alert the presence of an obstacle in the moving direction.

The stop step (S19) is a step of applying a stop command to the movement controller 250 after the buzzer step (S18) in the control unit 260. The movement controller 250 turns off the movement member 130 when the stop command of the controller 260 is applied.

As described above, in the automatic driving step of the present invention, when the operator who rides the lift car sets and drives the moving section, the moving speed and the moving period of the lift car, the lift car moves automatically according to the set conditions, Repeated movements and stops allow the operator to continue the work as the lift car moves. In addition, the present invention can detect the obstacle in the moving direction of the lift car can prevent the safety accident in advance. In addition, according to the present invention, the dust collector 120 may drive the dust collector 120 by determining the level of suction force according to the dust concentration of the surroundings.

10 is a flowchart illustrating the lift caron step of FIG. 8 in detail.

Referring to Figure 5, the lift-on step (S12) is a dust detection step (S21) for detecting the dust around, a dust collector driving step (S22) for driving the dust collector 120 when the dust is detected, the dust collector Dust collection level adjustment step (S23) for adjusting the suction force of the 120 according to the dust concentration, an error determination step (S24) for determining the occurrence of failure of the dust collector 120, and the error determination step (S24) If it is found to include a buzzer step (S25) to turn on the buzzer 280 to issue an alarm.

The dust detection step S21 is a step of receiving a detection signal from the dust sensor 220 in the control unit 260. The dust sensor 220 detects when dust is generated around the work bench 110 while applying the dust detection signal to the controller 260. At this time, the dust sensor 220 outputs a dust detection signal having a different electrical level according to the detected concentration of dust.

The dust collector temperature step S22 is a step of turning on the dust collector 120 when a dust detection signal is applied to the controller 260 in the dust detection step S21.

In the dust collecting level adjusting step S23, the controller 260 controls the dust collecting controller 210 according to the concentration of dust detected in the dust detecting step S21 to adjust the level of suction force. That is, if the dust detected in the dust detection step (S21) is weak, the controller 260 adjusts the suction force of the dust collector 120 not to be strong, and if the concentration of dust is large, the suction force of the dust collector 120 is increased. The dust collecting controller 210 is controlled to raise.

The error determination step (S24) is a step in which the controller 260 determines whether the dust collector 120, the lifting support 170, and the moving member 130 have a failure. The dust collecting controller 210 and the movement controller 250 check the operation of the dust collector 120, the lifting support 170, the brake and the engine, and apply them to the controller 260. Therefore, the controller 260 determines whether the apparatus is normally operated by the dust collecting controller 210 and the movement controller 250.

The buzzer step (S25) is a step of issuing an alarm by driving the buzzer 280 when it is determined that the failure of the dust collector 120 and the moving member 130 in the error determination step (S24). .

Although the present invention has been described in detail with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical spirit of the present invention, and such modifications and variations belong to the appended claims.

110: work table 111: work panel 112: safety table
113: operating table 120: dust collector 130, 131: moving member
132: wheel 140: dust collection hood 141: collecting part
142: handle 143: strainer 144: hood connector
145: fixing groove 146: hood rotating tube 147: fixing belt
150: hood support tube 151: metal tube 152: connection pipe
160: waste container 161: housing 162: hook
163: bag fixing means 163a: fixed plate 163b: side moving plate
163c: front moving plate 164: rotary lever 170: elevating support
180: waste bag 200: controller 210: dust collector
220: dust sensor 230: blower 240: obstacle detection sensor
250: movement controller 260: controller 270: timer
280: buzzer 290: input unit

Claims (8)

In the lift car for a ceiling work, which is mounted on a moving member, a lifting support for lifting and lowering a work table constituting a work space by forming a flat top surface on an upper surface,
The ceiling lift car
A dust collector which sucks dust generated during operation by generating a suction force;
And a dust collecting hood fixed at the work table to form a tip positioned directly below the ceiling, collecting dust generated by suction force transmitted from the dust collector, and transferring the dust to the dust collector.
The dust collecting hood is disposed directly below the ceiling where the top surface is open and extends in one direction to start work, and collects dust by suction force generated by the dust collector;
A filtering net that is fixed at the inner side of the collecting unit and has a plurality of micropores formed to filter waste other than dust;
A hood connecting tube for extending the suction force of the dust collector as a tube extending vertically from the lower portion of the collecting unit and transferring the dust collected by the collecting unit to the dust collector; And
It further comprises a waste collection container which is provided with a waste bag for storing the waste collected after the work is provided with a hook on one side to be detachably fixed to one or more safety rods extending vertically and horizontally from the workbench,
The waste box is a housing in which an empty space is formed inside;
Bag fixing means for fixing the waste bag by adjusting the inner space in accordance with the size of the waste bag in the housing; And
And at least one rotary lever connected to the handle protruding from the outer surface of the housing to move the bag fixing means in the front and rear directions according to the rotation direction of the screw rod inserted into the housing. According to claim 1, wherein the dust collection hood
A handle protruding from a lower end of the collecting part; And
Lifting car for a ceiling work further comprises a bellows-shaped pleated portion consisting of a plurality of pleats on the outer surface of the hood connector. According to claim 1, wherein the dust collection hood
The ceiling car lifter is fixed to the inner side of the collecting unit further comprises a blower for injecting compressed air to the upper surface of the strainer. According to claim 1, wherein the bag fixing means
A fixed plate fixed to a bottom surface of the housing as an upright cross section formed to be spaced apart from one surface of the housing;
A front movable plate which is fixed to be movable in a position facing the fixed plate and moves or moves backward in the direction in which the fixed plate is positioned when the rotary lever is rotated;
Lifting work for a ceiling work including a pair of side moving plate in the upright section extending between the fixed plate and the front moving plate to move forward or backward in a direction facing each other according to the rotation direction of the rotary lever. According to claim 4, The front plate is
A center plate which forms an empty space on the inside and is movable in the front-rear direction by connecting the rotary lever on the outer surface; And
Lifting car for a ceiling work comprising a first plate and a second plate extending to the left and right sides of the center plate to be inserted into the inside of the center plate. According to claim 1, wherein the ceiling lift car
A dust sensor which detects dust and outputs a dust detection signal as an electrical signal having a different level according to the concentration of dust;
A dust collecting controller for selectively controlling the intensity of suction force of the dust collector in accordance with the concentration of dust detected by the dust sensor;
A movement controller controlling the movement member to move or stop;
A control unit which receives the dust detection signal of the dust sensor to control the dust collecting controller and applies a moving or stopping command to the moving controller to the moving controller;
An obstacle detecting sensor detecting an existence of an obstacle in a moving direction of the lift car and applying an obstacle detecting signal to the controller; And
A buzzer for outputting a voice signal under the control of the controller,
The control unit controls the movement controller according to a movement period for stopping after the movement of the set distance at a set speed within the set movement section, so that the ceiling lift car moves and stops automatically within the set movement section. Lift car for ceiling operation to control controller. delete delete

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