JPH07102956B2 - Operation control device for lifting equipment for construction work - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to the operation of a construction work lifting facility for controlling the operation of a construction work lift attached to a building under construction to raise and lower building materials and the like. Regarding the control device.

More specifically, each of the target floors for loading and unloading luggage is provided with detection means for detecting the usage status of the load carriers on the target floor among the load carriers that can be mounted on the platform of the construction work lift, Equipped with transmission means to transmit the information detected by this detection means to the lifting operation management device installed on a specific floor, and efficiently operate the construction work lift based on grasping the usage status of load carriers such as pallets and carts. By doing so, the present invention relates to an operation control device for a hoisting facility for construction work, which enables efficient hoisting work by appropriately operating these cargo carriers.

[Conventional technology]

In the operation control device of the lifting equipment for construction work described above,
Conventionally, as the transmission means for transmitting the detection information of the usage state of the load carrier by the detection means provided on each floor for loading and unloading cargo to the lifting operation management device installed on the first floor, for example, this lifting operation management It is known that an electric wire for signal transmission is installed inside the building under construction or on the outer surface portion across the device and the detection means of each target floor (references cannot be cited).

[Problems to be solved by the invention]

However, in the case of the conventional configuration described above, it is necessary to lay an electric wire across the lifting operation management device and the detection means of each target floor on the side of the building under construction, which not only takes time for the work but also the electric wire. Is a temporary wire only during the construction of the building and is not firmly attached to the building, so the side of the building or the duct inside the building, etc. It is often installed in the inside of the building, which not only hinders construction work and traffic, but also when other objects are caught, the electric wire is cut and normal information transmission may not be performed. There was a risk that

In view of the above situation, an object of the present invention is to provide a configuration for transmitting the usage status of the load carrier on each target floor to the lifting operation management device of information, which can be easily installed and has high reliability. To do.

[Means for solving problems]

The characteristic configuration of the operation control device of the lifting equipment for construction work according to the present invention is to detect the usage status of the cargo carrier on the target floors by loading and unloading the cargo by the detection means provided on each of the target floors. In the transmission means for transmitting to the management device, the transmission section provided in each of the target floors and the cargo bed pass through each target floor in order to change the output state according to the detection information by the detection means. At the time, the receiver is provided near the transmitter on the side of the target floor and is output from the receiver and the receiver provided on the cargo bed so as to receive the transmission information output from the transmitter in a contactless manner. In order to transmit the received information to the lifting operation management device, the information processing device comprises an information input unit provided on the cargo bed, and transmits the input information output from the information input unit to the lifting operation management device. In the above The input section and the lifting operation management device are connected with operation control cable.

[Work]

That is, in the construction work lift used for this type of construction work lifting equipment, the loading platform is lifted up and down over a plurality of target floors for loading and unloading of luggage,
And, paying attention to the fact that a cable for controlling the operation of the lifting motor and the like provided on the cargo bed is originally installed between the cargo bed and the lifting operation management device, The cargo bed is provided with a function of transmitting detection information, and when passing through each target floor as it goes up and down, the cargo bed is provided with an output from the transmission unit that is changed according to the detection information by the detection means provided on the target floor. The receiving unit receives the information and then outputs the information to the information input unit for the lifting operation management device.

In this case, the transmission of information from the transmission unit of each target floor to the reception unit of the loading platform is performed in a contactless manner via a medium such as light or ultrasonic waves.

On the other hand, the information input unit and the lifting operation management device are connected by an operation management cable. This operation management cable is provided, for example, in parallel with the above-described operation control cable for the lifting motor, and the input information output from the information input unit is input to the lifting operation management device using the operation management cable. Therefore, a cable device from the lifting operation management device to the detection means on each target floor, which was conventionally required on the side of a building under construction, is not required.

〔The invention's effect〕

As a result of having the above-mentioned configuration, the lifting equipment of the present invention can be easily installed, and it is possible to prevent disconnection of the operation management cable even during operation.

Further, since there is no contact point between the transmission unit and the loading platform on each target floor, contact failure due to fluctuation during lifting of the loading platform,
Alternatively, the contacts cannot be damaged during use. Therefore, information transmission becomes reliable.

On the other hand, the information transmission from the information input section to the lifting operation control device is performed by the operation control cable, so that the information transmission becomes more reliable. That is, according to this configuration, electromagnetic waves generated by field welding or noise generated from the drive device for the bed can be effectively shielded, so that transmitted information is not adversely affected.

As described above, the lifting equipment of the present invention simplifies the overall configuration, facilitates installation work, and can maintain a reliable operation function for a long period of time.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIGS. 2 and 3, a guide mast (1) made by assembling steel aggregates and a loading platform (2) that can be raised and lowered along the guide mast (1) are used to construct a building (B )
The construction work lift (X) for raising and lowering luggage such as building materials between the desired floors is constructed.

The guide mast (1) is fixed to the floor (G) of the lowest floor by anchor bolts (not shown), and is appropriately connected to the wall of the intermediate floor via a connecting member (1a), and further, the top portion. There is a retaining material (1b) extending from the floor to the top floor (R).

The carrier (2) is attached to the lifting frame (3). A first sheave (4) is pivotally supported on the top of the elevating frame (3), and a wire rope (5) for suspending and supporting the cargo bed (2) is wound around the first sheave (4). Has been.

One end of this wire rope (5) has a guide mast (1)
It is locked to a stand (6) attached to the top of the.
Further, the other end of the wire rope (5) has a second sheave (7) pivotally supported by the connecting stand (6) and a third sheave (8) pivotally supported at the lowermost part of the guide mast (1). It is designed to be wound around a winch (9) after being wound around.

Then, the wire rope (5) is paid out from the winch (9) to lower the loading platform (2) together with the lifting frame (3), while the wire rope (5) is paid into the winch (9) to lift and lower. It is configured so that the loading platform (2) can be raised together with the frame (3).

As shown in FIGS. 1 to 5, a guide mast (1)
Guide rails (1A) made of H-shaped steel or the like are attached to both side portions of each. On the other hand, a pair of guide rollers (3a) and (3b) which are orthogonal to each other are axially supported on the upper, lower, left and right sides of the lifting frame (3). The pair of guide rollers (3a) and (3b) are fitted between both flanges (1Aa) of the guide rail (1A) and contact the flange (1Aa) and the web (1Ab) respectively. ing.

That is, when the loading platform (2) is moved up and down by driving the winch (9), a pair of guide rollers (3a) and (3b) are placed at the four positions on the vertical and horizontal sides of the lifting frame (3).
By rotating while contacting A), the platform (2) can be raised and lowered in a stable posture.

The above-mentioned connecting stand (6) is configured to be positionally changeable and fixable along the guide mast (1), and as the building (B) progresses and the number of floors increases, the guide mast ( By adding 1) and moving the stand (6) along the added guide mast (1),
It is constructed so that the luggage can always be lifted to the top floor of the building (B) under construction.

Further, as shown in FIG. 5, the loading platform (2) holds the guide rail (1A) described above in a stopped state at a desired floor and stabilizes the stopping position of the loading platform (2). The gripping device (H) for fixing is attached to two left and right positions facing each of the pair of left and right guide rails (1A).

This gripping device (H) is, as shown in FIG. 6 and FIG. 7, a cylindrical body (10) fixed to the lower surface of the loading platform (2) and slidably fitted in the cylindrical body (10). And a hydraulic gripping cylinder (12) attached to the frame (11).

On the piston rod (12a) of the gripping cylinder (12),
The boss member (14) with the pressing plate (13) fixed to the flange (1Aa) of the guide rail (1A) is fixed to the pin (1
It is installed by 5). Frames (11)
One end side of the is a receiving plate portion (11A) which is bent and is positioned to sandwich the flange (1Aa) of the guide rail (1A) together with the pressing plate (13).

When the guide rail (10) is gripped by the gripping device (H), the gripping cylinder (12) is actuated to extend the piston rod (12a) of the guide rail (10) together with the boss member (14) and the pressing plate (13). (1A) Flange (1A
After pressing it against the outer surface of (a), operate the gripping cylinder (12) further in the same direction so that the guide rail (1
With the reaction force from the flange (1Aa) of (A), move the frame (11) left and right in the figure and press the catch plate part (11A) against the inner surface of the flange (1Aa) of the guide rail (1A). It is done by that.

On the other hand, as shown in FIGS. 1, 4, and 5, two transfer machines (T) are mounted on the loading platform (2). Each transfer machine (T) has a lower vehicle body (18) in which a pair of drive wheels (17A) and a pair of idler wheels (17B) are pivotally supported, and a table (19).

In the figure, (2A) and (2B) are handrails with wire mesh, and the handrail with wire mesh (2A) provided along the longitudinal direction of the cargo bed (2) on the side opposite to the lifting frame (3) is the cargo bed. The handrail (2B) with wire mesh (2B) is configured so that the posture can be changed between the posture of projecting upward from the floor of (2) and the posture of the upper end of which is retracted below the floor of the loading platform (2). ) Is fixedly installed in a posture protruding upward from the floor of the loading platform (2).

In both transfer machines (T), as shown in FIGS. 8 (a) to 8 (d), the table (19) is attached to the lower vehicle body (18) via a link mechanism (20) so as to be able to move up and down. . The lower vehicle body (18) is provided with a hydraulic cylinder (21) for moving the table (19) up and down via the link mechanism (20).

Further, each transfer machine (T) is provided with a motor (22) which is interlocked with a drive wheel (17A). This motor (22), power supply to an electromagnetic valve (not shown) that opens and closes a hydraulic oil supply path from a hydraulic pump (not shown) to the table lifting hydraulic cylinder (21), and operation control Signal transmission is performed by separate operation control cables (23) erected from the cargo bed (2) so as to extend and contract. Although not shown in the figure, the power control cord is bundled into one of the operation control cables (23) and is connectable to an outlet provided on each floor of the building (B).

The power supply to the transfer machine (T) may be carried by mounting a battery on the loading platform (2) through a cable from the battery, or by mounting a battery on the transfer machine (T) itself. It may be configured.

Both transfer machines (T) can be linearly moved back and forth by driving the motor (22), and the moving direction of the transfer machines (T) is made to coincide with the loading / unloading direction of the load on the loading platform (2). It is mounted on the carrier (2). Then, using both of these transfer machines (T), the load (L) on the loading platform (2)
It is configured so that loading and unloading of can be done without relying on human hands.

Transshipment of the luggage (L) from the floor (F) of the building (B) to the loading platform (2) using the transfer machine (T) is performed as follows.

As shown in FIG. 8 (a), on the floor (F) on the floor where the building (B) is located, the luggage (L) is placed on top of the carriage (24) which is a cargo carrier. After stopping the loading platform (2) on this floor and gripping the guide rail (1A) by the above-mentioned gripping mechanism (H), the tread (25) stored in the standing posture on the loading platform (2) is moved to the cylinder (Fig. It is laid down by the operation of (not shown) and laid from the loading platform (2) to the floor (F) of the building (B).

Next, the motor (22) is driven to move the two transfer machines (T) forward so that the two transfer machines (T) go under the carriage (24) as shown in FIG. The motor (2) of both transfer machines (T)
2) is configured to be driven synchronously.

In this state, the hydraulic cylinder (21) for raising and lowering the table is operated to lift the carriage (24) together with the table (19) as shown in FIG. And motor (22)
Is driven to move the two transfer machines (T) backward, and the transfer machines (T) are accommodated on the loading platform (2).

This state is shown in FIG. This completes the transshipment of the luggage (L) to the luggage carrier (2). In this state, the table (19) may be left lifted, or the table (19) may be lowered and the carriage (24) may be lowered on the luggage carrier (2).

In addition, a contact portion (26) is provided at a position rearward of the transfer machine (T) on the platform (2). This hit part (26)
Comes into contact with the rear end of the transfer machine (T) that moves backward from the floor (F) of the building (B) and is accommodated in the load carrier (2), and the traveling direction of the transfer machine (T) is Transfer machine (T) so that it matches the loading / unloading direction of luggage (L) with respect to 2) correctly.
To correct the posture.

In addition, from the loading platform (2) using the transfer machine (T) to the building (B)
The transshipment of the luggage (L) onto the floor (F) is performed in the reverse operation to the above-described operation.

That is, the transfer machine (T) is moved forward from the state shown in FIG. 8 (d), and the floor (F) of the building (B) is moved as shown in FIG. 8 (c).
When the table (19) is reached, the carriage (24) is lowered onto the floor (F) together with the table (19), and as shown in FIG. 8 (b), only the table (19) is lowered and then transferred. The machine (T) is moved backward and stored in the luggage carrier (2).

The number of transfer machines (T) mounted on the loading platform (2) does not matter. Further, the transfer machine (T) may be allowed to move along a route other than the straight route.

Also, in this construction work lifting equipment for carrying out lifting work by loading the dolly (24), which is the above-mentioned load carrier, on the loading carrier (2) of the construction work lift (X), each floor for loading and unloading cargo An operation control device is provided in order to grasp the usage status of the dolly (24) and operate the dolly (24) efficiently. Next, the configuration and operation of this operation control device will be described.

As shown in FIG. 1, a pair of upper and lower reflective photosensors (27) are provided on each floor (F) of the target floor for loading and unloading luggage.
A) and (27B) are provided. Lower photo sensor (27
A) indicates whether or not the carriage (24) is in a position (hereinafter, this position is referred to as a boarding / alighting position) where it can be moved in and out of the platform (2) by the transfer machine (T) for the construction work lift. Upper photo sensor (27B) for detection
Is for detecting whether or not luggage (L) is loaded on the carriage (24). Then, by combining the outputs from the pair of photosensors (27A) and (27B), "the empty carriage (24) is located at the boarding / alighting position on the floor",
Use of a truck (24) that is a cargo carrier on those floors, such as "there is a real truck (24) at the entry / exit position on that floor" or "there is no truck (24) at the entry / exit position on that floor". It is configured to detect the situation. That is, the pair of photosensors (27A) and (27B) serves as the detection means (27). A reflection plate (28) is attached to one end of the carriage (24) in order to ensure detection by the lower photo sensor (27A).

Further, on each target floor, a pair of light emitters (29) are provided at the end of the floor (F) at a position facing the ascending / descending path (2).
((29A), (29B)) are provided. One light emitter (29
A) emits light toward the ascending / descending path of the loading platform (2) while the photo sensor (27A) below detects the carriage (24) at the entry / exit position, and the other light emitter (29B) is The upper photo sensor (27B) is configured to emit light toward the ascending / descending path of the loading platform (2) in a state where the luggage (L) is detected on the trolley (24) at the loading / unloading position.

On the other hand, a pair of photoelectric converters (30) ((30A), (30B)) are provided on the platform (2) of the construction work lift (X). The pair of photoelectric converters (30A) and (30B) include the pair of light emitters (29A) and (29B) provided on the target floor when the loading platform (2) moves up and down and passes through each target floor. The light from the light emitters (29A) and (29B) are received in close proximity to each other and are converted into an electric signal and output.

The electric signals from the pair of photoelectric converters (30A) and (30B) are input to the signal processing unit (31) provided on the platform (2), and after being recorded by the signal processing unit (31), Floor (G) on the first floor shown in Fig. 3 via the operation control cable (32).
It is configured to be input to the lifting operation management device (33) installed in.

That is, the light emitter (29) is connected to the pair of photosensors (27
A) is a transmission unit (TP) that changes the output state according to the detection information by the detection means (27) including (27B), and the photoelectric converter (30) outputs the output from the transmission unit (TP) to the non-transmission unit (TP). The receiving unit (RP) receives the data by contact, and the signal processing unit (31) is an information input unit (IP) for the lifting operation management device (33). Then, the transmission means (TM) for transmitting the detection information by the detection means (27) to the lifting operation management device (33) by the transmission section (TP), the reception section (RP), the information input section (IP) and the like.
Are configured. The transmission means (TM) is not shown in FIGS. 8 (a) to 8 (d).

The lifting operation management device (33) has a display unit (33) shown in FIG.
In addition to the floor where the cargo bed (2) is currently located, the destination floor of the cargo bed (2) that has been set, the operating status of the cargo bed (2),
It is configured so that the presence or absence of an empty carriage (24) on each floor can be displayed. Then, the operator operates the loading platform (2) on the basis of the information displayed by the display unit (33A), so that, for example, when the load (L) is lifted on a certain floor, an empty space is placed on the floor nearby. Carts (24)
Empty trolleys based on the knowledge that there is information (24)
By collecting, the truck (24) can be efficiently operated and the efficiency of lifting work can be improved.

Then, as described above, the detection information by the detection means (27) on each target floor for recognizing the usage state of the carriage (24) is carried by one part of the transmission function of the lifting platform (2). By inputting the signal to the heavy operation management device (33), it is possible to eliminate the need for erection of electric wires for signal transmission in the building (B) under construction, and to install this kind of operation control device easily. In addition, the detection information is transmitted between each target floor and the loading platform (2) using light without contact, so that reliable information transmission can be performed for a long period of time with less trouble.

[Another embodiment]

 Next, another embodiment of the present invention will be listed.

<1> An ultrasonic oscillator or a microwave oscillator is provided in place of the light emitter (29) as a transmitting unit (TP) provided on each target floor, while a transmitting unit is provided as a receiving unit (RP) provided on the luggage carrier (2). Depending on the configuration of (TP), an ultrasonic receiver or a microwave receiver may be provided instead of the optical converter (30). That is,
Transmission of the detection information by the detection means (27) between the transmission section (TP) of each target floor and the reception section (RP) of the loading platform (2) is performed in addition to visible light, infrared light, etc. It is possible to perform sound waves, microwaves, etc. using a non-contact type medium.

<2> Three or more combinations of the transmission unit (RP) and the reception unit (RP) for the transmission unit (RP) may be provided so that more detection information can be transmitted.

<3> The output state from the transmission unit (TP) of each target floor is changed by switching between the two states of the output state and the non-output state as described in the previous embodiment, and the output level of the output state. It may be stepwise or stepless. In this case, the receiver (RP) of the loading platform (2) may be provided with a means for determining the output level from the transmitter (TP).

<4> As the cargo carrier, in addition to the dolly (24) described in the previous embodiment, a pallet, a container, or a self-propelled dolly may be used.

<5> Detecting the usage status of the load carrier (24) on the target floor,
In addition to the type using light from the photo sensor (27) described in the previous embodiment, a non-contact type using ultrasonic waves or microwaves, or a micro that is operated by contacting the load carrier (24) It can be performed by a contact type using a switch or the like. Further, the usage status may be detected by an operator and operating a switch or the like.

For example, in order to detect whether or not the load carrier (24) is empty, instead of the method of directly detecting the presence or absence of the load (L) described in the previous embodiment, the load carrier (24) is replaced. A load sensor is attached, and only the method of detecting that the load carrier (24) has become empty due to the load sensor not detecting the load and the method of detecting the presence or absence of the load carrier (24) itself are provided. By providing the load carrier (24) with this means, once the detection state is changed from the detection state to the non-detection state and then the detection state is detected again, it is determined that the load (L) has been unloaded during the non-detection state. A method of detecting that the tool (24) has become empty can be adopted.

<6> As the usage status of the load carrier (24) detected,
In addition to the presence / absence of the cargo carrier (24) itself and the presence / absence of a cargo described in the previous embodiment, various types such as the following are possible. Including the two usage states described in the previous embodiment, It is possible to use them alone or in appropriate combination.

<a> Reflector (28) and luggage (L) attached to the carriage (24)
The type of luggage (L) and its destination by attaching a label, etc. with a barcode attached to it.

<B> The total number of load carriers (24) and the number of empty load carriers (24) on the target floor.

<C> The number of empty load carriers (24) required to load the luggage (L) on a certain target floor and the time when it is required.

<7> For example, the usage status of the load carrier (24) detected by the detection means (27) is only one type of detection information such as existence and non-existence with respect to its own entry / exit position, and the transmission information is transmitted. When only one set of the unit (TP) and the receiving unit (RP) is provided, the signal processing unit (31) of the loading platform can be omitted. In that case, the receiving unit (2) of the loading platform (2) ( One end of the operation control cable from the lifting operation control device (33) connected to the RP) serves as an information input section (IP).

<8> In the lifting operation management device (33), not only the usage status of the load carrier (24) is displayed as described in the previous embodiment, but also the detection means ( Based on the detection information from 27), for example, in order to efficiently collect the empty load carrier (24), the loading platform (2)
May be configured to operate automatically.

<9> The construction work lift (X) and the load carrier (24) can be modified in various ways in addition to the following modifications.

<a> In the transfer machine (T) and the load carrier (24) having wheels described in the above embodiment, the wheels are made of low-pressure tires, and shocks to the load (L) are generated at the uneven construction site. Make it possible to reduce.

<B> Instead of the transfer machine (T) described in the previous embodiment, the load (2) together with the load carrier (24) is loaded onto the load (2) by expanding and contracting the arms of the load (2). A fixed transfer device for unloading or a crane will be installed.

<C> Instead of providing a device for loading and unloading luggage (L) on the loading platform (2) such as the transfer machine (T) described in the above embodiment on the loading platform (2), a forklift or the like is used. A device for loading and unloading luggage (L) will be provided on each target floor.

<D> When the load carrier (24) is provided with wheels like the trolley in the previous embodiment, the load carrier (24) is provided with a lock mechanism so as to prevent its inadvertent movement.

<E> The loading platform (2) has a two-layer structure, and is configured so that it is possible to raise and lower the load more efficiently with a single lifting.

<F> An elevator motor is attached to the loading platform (2), a pinion linked to this motor is engaged with a rack attached to the guide mast (1), and the loading platform (2) is raised and lowered by driving the motor. To configure.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of the operation control device for the lifting equipment for construction work according to the present invention. Fig. 1 is a sectional view of a loading platform of a construction work lift, Fig. 2 is an entire front view of the construction work lift, 3 is an overall side view of the construction work lift, FIG. 4 is a front view of the construction work lift, FIG. 5 is a plan view of the construction work lift, and FIG. 6 is a horizontal sectional view of the gripping mechanism. FIG. 7 is a vertical sectional view of the gripping mechanism, FIGS. 8 (a) to 8 (d) are side views showing loading and unloading operations, and FIG. 9 is a front view of a display section of the lifting operation management device. . (2) …… Cargo, (24) …… Cargo carrier, (27) …… Detecting means, (29) …… Light emitter, (30) …… Photoelectric converter, (3
2) …… Operation control cable, (33) …… Lift operation control device, (L) …… Luggage, (X) …… Construction work lift,
(TM) …… Transmission method, (IP) …… Information input section, (TP)…
… Sending section, (RP) …… Receiving section.

Front page continued (72) Inventor Yoshinobu Kawasaki 4-27 Honmachi, Higashi-ku, Osaka City, Osaka Prefecture Takenaka Corporation Osaka Main Store (56) References JP-A-60-262787 (JP, A) JP-A-56- 33362 (JP, A) JP-B-50-39910 (JP, B1)

Claims (2)

[Claims] 1. A load carrier for a floor (2) of a construction lift (X) that can be mounted on each of the floors for loading and unloading luggage (L). (twenty four)
A detection means (27) is provided for detecting the usage status of the vehicle, and a transmission means (TM) is provided for transmitting information detected by the detection means (27) to the lifting operation management device (33) installed on a specific floor. An operation control device for a lifting equipment for construction work, wherein the traditional means (TM) is provided on each of the target floors so as to change the output state according to the detection information by the detection means (27). When the cargo section (2) and the loading platform (2) pass through the respective target floors, they are located close to the transmitter section (TP) on the target floor side and output from the relevant transmitter section (TP). In order to receive the transmitted information in a contactless manner, the receiver (RP) provided in the cargo bed (2) and the received information output from the receiver (RP) are transmitted to the lifting operation management device (33). Therefore, the information input section (IP) provided on the cargo bed (2) The information input unit (IP) and the lifting operation management device (33) are used for operation management so that the input information output from the power unit (IP) is transmitted to the lifting operation management device (33). An operation control device for lifting equipment for construction work connected by a cable (32). 2. The transmitter (TP) is a light emitter (29),
The operation control device for lifting equipment for construction work according to claim 1, wherein the receiving unit (RP) is a photoelectric converter (30).