JP2732582B2 - Tower crane equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tower crane device used when constructing a steel tower or the like.

"Conventional technology" When constructing transmission towers, TV towers, etc., tower cranes (climbing cranes) are used to facilitate the transport of construction materials and work parts from the ground to high places. .

The tower crane is located above the ground where the building materials are stored,
The work area covers the upper part of the tower, such as a steel tower, where construction work is carried out.Workers are assigned to the above-ground part and the upper part of the tower, and crane operators on the above-ground part communicate with workers at the upper part of the tower. The construction work is carried out by transferring the building material while competing with each other.

FIG. 25 shows an example of construction work of the tower 1.
The tower mast 2 is erected at the center of the tower mast, the tower crane 3 is mounted on the tower mast 2, and an operation cable is laid to the crane operation room 4 on the ground G, and The building material X is lifted by operating the tower crane while exchanging visual cues with workers and voices using a simple wireless device, and the building material X is assembled.

[Problems to be Solved by the Invention] However, as the size of the tower 1 increases, the position of the tower crane 3 gradually increases, and the number of tower cranes 3 reaching 100 m or more increases. Since the position tends to be high, it often becomes difficult to confirm the contact between the crane opter on the ground portion G and the worker on the tower top T. Further, even when the contact confirmation is sufficiently performed, the transmission of information is impaired based on the increase in the separation distance.

The present invention is intended to solve these problems associated with work at height such as construction of a steel tower. In other words, (a) the construction work on the tower should be freely monitored on the ground.

(B) Monitoring, communication, confirmation, etc. shall not be affected by the work position on the tower.

(C) To monitor the construction work site from each direction to achieve reliable operation of the tower crane, work efficiency, and safety.

(D) Protect the crane operators and equipment on the ground from lightning strikes by reducing the routing of electrical cables for operating tower cranes.

And so on.

"Means for Solving the Problems" The present invention proposes the following plurality of means.

As a first means, a tower crane supported by a tower mast, an imaging means for imaging and wirelessly transmitting a work place by the tower crane, and an imaging position in a height direction by the imaging means are set at the top of the tower. A camera vertical moving means, and a wireless remote control operation means for remotely controlling the camera vertical moving means while receiving the video wirelessly transmitted from the imaging means, while monitoring the video, A camera vertical moving means that contacts an outer corner of the tower mast of the tower crane, is guided in the longitudinal direction thereof, and has an elevating frame on which the imaging means is mounted; a winch for operating the elevating frame; A tower crane device including a control unit that receives a command signal from the operation work means and drives the winch is employed.

As a second means, a tower crane supported by a tower mast, an imaging means for imaging and wirelessly transmitting a work place by the tower crane, and an imaging position in a height direction by the imaging means are set at the top of the tower. A camera vertical moving means, and a wireless remote control operation means for remotely controlling the camera vertical moving means while receiving the video wirelessly transmitted from the imaging means, while monitoring the video, A camera vertical moving means is mounted in a suspended state on an outer portion of a swiveling part of the tower crane, and a telescopic structure which is vertically expandable and contractable,
A tower crane device having a winch for raising and lowering the position of the imaging means at the lower end of the telescopic structure is employed.

As a third means, a tower crane supported by a tower mast, an imaging means for visualizing a work location by the tower crane and wirelessly transmitting the image, and an imaging position in a height direction by the imaging means are set at the upper part of the tower. A camera up / down moving unit, and a camera turning unit supported by the camera up / down moving unit and setting a horizontal imaging direction by the imaging unit, and receiving an image wirelessly transmitted from the imaging unit on the ground unit. Wireless remote control operation means for remotely controlling the camera vertical moving means and the camera turning means while monitoring this, wherein the camera vertical moving means contacts an outer corner of the tower mast of the tower crane and extends in the longitudinal direction. Frame, on which the imaging means is mounted, a winch for raising and lowering the frame, and Tower crane apparatus is employed which takes to receive a command signal from the wireless remote control working unit consisting of a control unit for driving the winch.

As a fourth means, a tower crane supported by a tower mast, an imaging means for imaging and wirelessly transmitting a work place by the tower crane, and an imaging position in a height direction by the imaging means are set at the upper part of the tower. A camera up / down moving unit, and a camera turning unit supported by the camera up / down moving unit and setting a horizontal imaging direction by the imaging unit, and receiving an image wirelessly transmitted from the imaging unit on the ground unit. A wireless remote control operation means for remotely controlling the camera vertical moving means and the camera turning means while monitoring the same, wherein the camera vertical moving means is attached to an outer portion of a turning portion of the tower crane in a suspended state. The telescopic structure which is vertically expandable and contractable, and the position of the imaging means at the lower end of the telescopic structure. Tower crane apparatus is employed which comprises a descending make winch.

As a fifth means, a tower crane supported by a tower mast, a bar-shaped body erected at the center of the inside of the tower mast and capable of vertically extending and contracting, and an upper end portion of the bar-shaped body are provided at the top of the tower. An image pickup unit supported at the lower end via a camera turning unit to image a work place by the tower crane and wirelessly transmit the image, and a camera up / down moving unit for setting an image pickup position in the height direction by the image pickup unit; In addition, a tower crane device having a wireless remote control operation unit for receiving a video wirelessly transmitted from the imaging unit and remotely controlling the camera vertical movement unit and the camera turning unit while monitoring the image is adopted. .

[Operation] According to these tower crane devices, the transmission of information and the transmission of control signals between the upper part of the tower and the above-ground part are made wireless, so that the TV camera at the upper part of the tower can be moved up or down at any place on the above-ground part. By adjusting the left and right direction, the work location can be captured as an image at an appropriate size from the target angle, and the image can be sent to the ground part wirelessly and monitored by video and audio, and the tower crane and various equipment are required. Operations and instructions to the workers at the top of the tower can be performed accurately. In addition, since the wireless connection is established between the above-ground part and the upper part of the tower, the distance between the ground part and the tower is arbitrarily set, which is also advantageous in terms of preventing the routing of electric cables and lightning strikes.

"Example" Hereinafter, an example of the tower crane device according to the present invention will be described.

1 to 8 show a first embodiment in which the tower crane device according to the present invention is applied to the construction work of a steel tower 1. FIG.

In the first embodiment, the tower crane 3 erected on the tower mast 2, the imaging means 5 for visualizing a required portion, and the imaging position in the height direction are adjusted on the tower upper part T. A camera vertical moving means 6 for setting, a camera turning means 7 for adjusting and setting a horizontal imaging direction, and a tower electric transmission means 8 for electric transmission of each device in the tower upper part T are provided. On the other hand, the above-mentioned crane operation room 4 and the wireless remote control operation means 9 for remotely controlling each device in the tower upper part T are provided in the ground part G.

As shown in FIG. 2, the tower crane 3 has a swinging work part 3b which can be horizontally turned with respect to a tower mast 2 erected to a work place of a steel tower 1 under construction.
Is rotatably supported, and the cab 3c has a first
As shown in the figure, the control unit 3d, the power supply unit 3e, and the receiving antenna
3f and a speaker 3g are provided, and the control unit 3d further includes a controller 3h for driving the turning unit 3a and the suspension working unit 3b, an audio receiver 3i, and an amplifier 3j.

Since the power supply to the tower crane 3 in the tower upper part T is normally performed by starting up a power cable along the tower mast 2, the power supply unit 3e of the cab 3c is branched and connected to the power cable.

As shown in FIG. 1, FIG. 3, FIG. 4, FIG. 6, etc., the imaging means 5 has an elevation angle adjustment function of, for example, 30 degrees upward and 50 degrees downward, and for example, 150 degrees in the horizontal direction. A pan tilter 5a having a turning angle adjusting function, a waterproof housing 5b supported by the pan tilter 5a, and two types of image pickup devices (for example, industrial television cameras) 5c housed in the waterproof housing 5b. 5d, a camera control unit 5e for performing a zoom function, focus and aperture adjustment, and the like in the imaging devices 5c and 5d, and a video transmitter 5f connected to the imaging devices 5c and 5d
And a control signal receiver 5g connected to the camera control unit 5e
And the audio receiver 5h, the antennas 5i, 5j, and 5k connected to the transceivers 5f, 5g, and 5h, and the direction facing the imaging devices 5c and 5d connected to the audio receiver 5h. And a wiper 5m for wiping raindrops and the like.

As shown in FIG. 3, FIG. 5, and FIG. 8, the camera vertical moving means 6 includes an elevating frame 6a surrounding four outer corners of the tower mast 2, and an outer angle of the elevating frame 6a and the tower mast 2. Frame 6a
And a winch 6c attached to a fixed portion in the upper part of the tower mast 2 for lifting and lowering while the lifting frame 6a is suspended by a wire, and a control drive of the winch 6c. A control signal receiver and a receiving antenna (in the first embodiment, the control unit 3d and the receiving antenna 3f in the cab 3c are also used).

The camera turning means 7 is shown in FIG. 3, FIG. 4, FIG.
As shown in FIGS. 6 and 7, a horizontal rotating guide rail 7a is integrally attached to the lifting frame 6a so as to surround the lifting frame 6a, and is supported by the rotating guide rail 7a so as to be pivotable. A turning cart 7b, a motor 7c for driving the turning cart 7b, a speed reducer 7d, a driving roller 7e, and a control signal receiver and a receiving antenna mounted on the turning cart 7b for controlling turning operation. I have it.

As shown in FIGS. 1 and 8, the on-tower transmission means 8 is provided between the movable part and the fixed part in the tower upper part T, for example, in the ascending and descending range of the camera vertical moving means 6, the cab 3c, 5, for transmitting power and control signals between the camera up / down moving means 6 and the camera turning means 7; a power transmission trolley 8a erected on the side of the tower mast 2 along the vertical direction; Trolley 8b, and a current collector 8c of a pantograph type or the like for contacting these trolleys 8a and 8b to perform power supply and signal transmission / reception.

Further, as shown in FIG. 1, a wireless remote control operation means 9 in or near the crane operation room 4 in the ground part G includes a remote control unit (with a built-in control signal transmitter) 9a and a transmission antenna 9b. And the monitor TV 9c, its video tuner 9d, its receiving booster 9e, and its receiving antenna 9f
, An audio receiver 9g, its receiving antenna (transmitting and receiving antenna) 9h, a microphone 9i, and its audio transmitter 9j.

In the tower crane device configured as described above, the connection between the tower upper part T and the crane operation room 4 in the ground part G is wirelessly connected, so that the routing of signal cables and the like become unnecessary. There is no limit on the separation distance. In other words, the crane operation room 4 is set up at a place appropriately distant from the tower upper part T, and the imaging means 5 mounted on the tower crane 3 is operated by wireless remote control to transmit the video signal near the construction work location to the ground part. G, and monitor the video by the monitor television 9c.

When the imaging target position is deviated from the target work position, the imaging position is adjusted by the operation of the camera vertical movement unit 6 and the camera turning unit 7.

The imaging means 5 is provided with a pan tilter 5a having a function of adjusting the elevation angles and horizontal orientations of the imaging devices 5c and 5d, and can be imaged from a single point by a wide-angle and telephoto zoom lens. However, the camera position is adjusted up, down, left, and right in response to the movement of the construction work site or a request for visualization from another position.

Adjustment of the vertical position is performed by operating the wireless remote control operation means in the crane operation room 4 of the ground part G to transmit a wireless elevating command signal, and operating the winch 6c of the camera vertical moving means 6 to move the elevating frame 6a. Is performed by changing the position of.

The adjustment of the horizontal turning position is also performed by operating the wireless remote control operation means 9 in the same manner as the motor 7c in the camera turning means 7.
Is driven to horizontally move the swivel carriage 7b along the rotation guide rail 7a.

In these vertical movements and turning operations, power supply or signal transmission between the imaging means 5, the camera vertical movement means 6 and the camera turning means 7 is performed by the power transmission trolley 8a and the signal transmission This is performed via the trolley 8b and, if necessary, by connecting a power or signal transmission cable.

By adjusting the vertical position, the turning position, the elevation angle, the horizontal direction, and the like, the image pickup devices 5c and 5d and the sound collecting microphone 51 are set to target positions, and the obtained image or the real environment of the working environment is obtained. While monitoring the sound in the remote place of the ground part G by the image or the sound of the monitor television 9c or the like,
Performs remote operations such as turning and raising / lowering the tower crane 3 and converts a voice command into a radio signal via the microphone 9i as necessary, and outputs a speaker in the operator cab 3c.
Flow from 3g to the work site and transmit to the worker at the top T of the tower.

Then, when the construction of the steel tower 1 is advanced and the work site moves upward, the position of the imaging means 5 is raised as necessary by the operation of the camera vertical movement means 6. In addition, at the place where the construction work has been completed, a branch line can be erected between the constituent material and the tower mast 2 to support the tower mast 2.
In the example shown in the figure, since the lifting frame 6a is supported by bringing the roller 6b into contact with the outer corner of the tower mast 2, it is possible to freely lay a branch line thereunder.

The construction work position on the tower 1 is the tower mast 2
Is reached, the tower mast 2 and the tower crane 3 are raised by a conventional means such as lifting.

Next, a second embodiment of the tower crane apparatus according to the present invention will be described with reference to FIGS. 9 to 11.

In the second embodiment, the structure of the camera vertical moving means 6 is different from that of the first embodiment described above. Instead of using the outer corners of the tower mast 2, the side between the outer corners of the tower mast 2 is used. Guide rail for vertical movement along the vertical direction
6d is fixed, the elevating frame 6a is connected to the elevating guide rail 6d, and the camera turning means 7 is attached to the elevating frame 6a and is suspended by a winch 6c. The horizontal swing when the imaging means 5 is moved up and down by wireless operation is supported by the elevating guide rails 6d, and the other portions operate in the same manner as in the first embodiment.

Next, a third embodiment of the tower crane apparatus according to the present invention will be described with reference to FIGS. The third embodiment has a structure in which the camera turning means 7 is directly attached to the tower mast 2 and the camera vertical moving means 6 is rotatably supported by the camera turning means 7.

That is, the guide rail 7a for rotation and the auxiliary guide rail 7f
Are fixed with a vertical interval, and a swivel truck 7b that can horizontally turn with respect to the rotation guide rail 7a,
The winch 6c and the elevating guide rail 6d are attached,
The elevating frame 6a is supported by the elevating guide rail 6d so as to be able to ascend and descend, and the imaging means 5 is mounted on the elevating frame 6a. In this case, power supply and signal transmission between the power supply unit 3e and the camera turning means 7 in the operator's cab 3c of the tower crane 3 are performed by a connection using a flexible electric cable that allows a twist of about one rotation or a trolley. The power supply and the signal transmission between the camera turning means 7 and the camera vertical moving means 6 are performed by disposing the above-mentioned tower electric transmission means 8 by a pair of elevating and lowering means. It is performed by disposing between the guide rails 6d.

Therefore, when the imaging means 5 is rotated by wireless operation, the camera vertical movement means 6 is rotated by the camera rotation means 7, and the joint between the lower part of the elevating guide rail 6d and the auxiliary guide rail 7f is also rotated. Gap,
The swing of the lifting guide rail 6d is prevented.

FIGS. 14 to 17 show a fourth embodiment of the tower crane apparatus according to the present invention. In the fourth embodiment, the camera up / down moving means 6 is attached to the outer part of the swivel part 3a of the tower crane 3 in a suspended state by a plurality of support brackets 6e, and is formed as a telescopic structure 6f as a whole. The small-diameter portion is projected downward, and the vertical position of the small-diameter portion is adjusted by the winch 6c.
5a is attached, and the image pickup devices 5c and 5d are supported below it so that the elevation angle and the horizontal direction can be changed. The telescopic structure 6f has a cross-sectional shape such as a perfect circle or a rectangle as shown in FIGS. 17 (A) and 17 (B) in order to reduce shaking and twisting. Applied as appropriate.

In the fourth embodiment, the camera vertical moving means 6 suspended by the turning section 3a simultaneously turns horizontally with the turning of the tower crane 3. Therefore, when the camera of the image pickup means 5 is aligned with the hanging position of the tower crane 3, the turning position of the tower crane 3 is turned and the hanging position is imaged.
And received by the ground unit G for monitoring. And fine adjustment of the camera direction, etc.
Performed by the pantilter 5a.

FIG. 18 and FIG. 19 show a fifth embodiment of the tower crane apparatus according to the present invention. In the fifth embodiment, the camera vertical moving means 6 is attached to the swivel part 3a of the tower crane 3 in a suspended state, and a plurality of supporting brackets 6e are provided with a particularly rigid elevating guide rail.
6d is attached, and the vertical position of the imaging means 5 is adjusted.

20 to 22 show a tower crane apparatus according to a sixth embodiment of the present invention. In the sixth embodiment, the elevating guide rail 6d of the camera vertical moving means 6 is attached to the revolving part 3a in a suspended state, and the lower and middle positions of the elevating guide rail 6d are integrated with the tower mast 2. A steady ring 6g is provided, and the up-and-down guide rail 6d is supported by the steady ring 6g so as to be horizontally revolvable, and the swing is prevented.

FIG. 23 and FIG. 24 show a seventh embodiment of the tower crane apparatus according to the present invention. In the seventh embodiment, the example shown in FIG. 23 is provided with a camera vertical moving means 6 and an image pickup means 5 supported by a camera turning means 7 in the center of the inside of the tower mast 2. As the camera vertical moving means 6, a bar-shaped body 6f that is vertically expandable and contractible and conforms to the telescopic structure described above is provided in a suspended state by a winch 6c. On the other hand, FIG. A camera vertically moving means 6 is provided on the rod 6f, and a camera turning means 7 and an image pickup means 5 are mounted on the upper end thereof. The length of the rod 6f is determined by a means such as a winch 6c or a hydraulic cylinder. The camera turning means 7 and the imaging means 5 are moved up and down by changing them. From the gap between the constituent frames of the tower mast 2, the range in which the imaging devices 5c and 5d face the outside is imaged. Raising and lowering of the imaging means 5;
The turning and the setting of the direction of the camera are all performed inside the tower mast 2, and no projecting portion is generated outside the tower mast 2.

[Other Embodiments] The following embodiments may be used instead of the embodiments described above.

(A) The video transmitter 5f, the control signal receiver 5g, the audio receiver 5h, the antennas 5i, 5j, 5k, the sound collecting microphone 51, the control unit 3d and the receiving antenna 3f in the cab 3c, etc. in the imaging means 5 Is mounted on the camera swivel 7b, the lifting frame 6a, and the like.

(B) In connection with the camera vertical moving means 6 and the camera turning means 7 in the above-described tower crane apparatus, a power supply battery is previously mounted on the movable part instead of the power supply by the tower electric transmission means 8.

(C) The applicable scope of work is construction of steel structures other than steel tower construction, foundation work, etc.

[Effects of the Invention] As described above, the tower crane device according to the present invention has the following effects.

(1) By wirelessly transmitting information and transmitting control signals between the upper part of the tower and the ground, remote control of various equipment mounted on the upper part of the tower can be performed at any place on the ground. Become.

(2) The construction work status at the top of the tower and the suspension of construction materials by the tower crane, etc. are grasped in detail by the monitor TV on the ground, and accurate crane operation and appropriate instructions to workers at the top of the tower are made as needed. By doing so, the efficiency of construction work and the improvement of safety can be improved.

(3) Since there is no electric cable or the like for operating various devices between the upper part of the tower and the ground part, the operator cab of the tower crane can be separated by an arbitrary distance.

(4) As described above, the work of laying and routing the operation cable between the upper part of the tower and the ground part can be eliminated, and damage to equipment on the ground part due to lightning can be prevented.

(5) Based on the video monitoring on the ground, the camera up / down moving means is operated by the wireless remote control operation means to adjust the imaging position in the height direction up and down to freely set a desired elevation angle or the like. be able to.

(6) The imaging position can be set higher as the construction work location rises, and the work location can be visualized at an appropriate location.

(7) Based on the video monitoring on the ground, the camera turning means is operated by the wireless remote control operation means, and the horizontal imaging direction is adjusted to an arbitrary position around the tower mast,
A horizontal angle can be set from a target turning position.

(8) When the construction work part moves in the horizontal direction, the imaging position can be shifted in the horizontal direction within a range of 360 degrees, and the work part can be imaged at an appropriate position.

(9) The imaging position and the angle are adjusted by changing the work position on the board, so that the work monitoring, communication, confirmation, and the like can be less affected by the position movement accompanying the work progress.

(10) Since the camera up / down moving means moves the elevating frame up and down by using the outer corners of the tower mast, it is possible to move up and down exactly along the tower mast and to simplify the structure. .

(11) With the structure in which the lifting frame is suspended by the winch and raised and lowered, the control signal receiver required for the lifting operation can be installed on a fixed part such as a tower mast.

(12) Since the camera up / down moving means is attached to the turning part of the tower crane, once the imaging means is turned to the work place, the imaging means turns together with the part suspended by the tower crane, and the work place is imaged. Can be

(13) Since the imaging means is supported by the telescopic structure and the imaging means at the lower end thereof is raised and lowered by a winch, the imaging means is suspended by utilizing the weight of the imaging means and the like. Holding can be facilitated.

(14) The imaging means is supported inside the tower mast so as to be able to move up and down or turn horizontally, so that the imaging means, camera up / down moving means, camera turning means, etc. do not protrude outside the tower mast.

(15) The imaging means and the like do not hinder the lifting operation by the tower crane.

(16) When the branch line of the tower mast is erected, the imaging means does not interfere.

(17) A rod-shaped body or the like can be easily installed inside the tower mast using the constituent materials.

[Brief description of the drawings]

1 to 8 show a first embodiment of a tower crane device according to the present invention. FIG. 1 is a connection diagram of the entire function, FIG. 2 is a front view of the entire tower crane device, FIG. 4 is an enlarged front view of a main part, FIG. 4 is a right side view thereof, FIG. 5 is a plan view of a camera turning means, FIG. 6 is a perspective view of an imaging means, and FIG. View, 8th
The figure is a perspective view of the main part of the tower transmission means. 9 to 11 show a second embodiment of the tower crane apparatus according to the present invention. FIG. 9 is a front view, FIG. 10 is a right side view, and FIG. 11 is a plan view of a camera turning means. It is. 12 and 13 show a third embodiment of the tower crane apparatus according to the present invention. FIG. 12 is a front view, and FIG. 13 is a right side view. 14 to 17 show a fourth embodiment of the tower crane apparatus according to the present invention. FIG. 14 is a front view, FIG. 15 is a right side view, and FIG. 16 is a telescopic structure part. 17 (A) and 17 (B) are cross-sectional views showing examples of the cross-sectional shape of the telescopic structure. 18 and 19 show a fifth embodiment of the tower crane device according to the present invention. FIG. 18 is a front view, and FIG. 19 is a right side view. 20 to 22 show a sixth embodiment of the tower crane apparatus according to the present invention. FIG. 20 is a front view, FIG. 21 is a right side view, and FIG. FIG. FIGS. 23 and 24 show a seventh embodiment of the tower crane apparatus according to the present invention. FIG. 23 is a front view of an example in which the imaging means is suspended, and FIG. It is a right view of the example performed. FIG. 25 shows a conventional example of construction work of a steel tower using a tower crane. 1 ... tower, 2 ... tower mast, 3 ... tower crane, 3a ... revolving section, 3b ... hanging work section, 3c ... operator cab,
3d: control unit, 3e: power supply unit, 3f: receiving antenna,
3g ... speaker, 3h ... controller, 3i ... voice receiver, 3j ... amplifier, 4 ... crane operating room, 5 ...
Imaging means, 5a: Pan tilter, 5b: Waterproof housing, 5c, 5d: Image pickup device (television camera), 5e: Camera control unit, 5f: Video transmitter, 5g: Control signal receiver, 5h
…… Sound receiver, 5i ・ 5j ・ 5k …… Antenna, 51… Sound collection microphone, 5m …… Wiper, 6 …… Camera vertical movement means,
6a ... Lifting frame, 6b ... Roller, 6c ... Winch, 6d ... Lifting guide rail, 6e ... Support bracket, 6f ... Telescopic structure (rod), 6g ...
Anti-sway ring, 7 ... Camera turning means, 7a ... Rotating guide rail, 7b ... Swivel truck, 7c ... Motor, 7d ...
… Reduction gear, 7e… drive roller, 7f… auxiliary guide rail, 8… tower electric transmission means, 8a… power supply trolley, 8b… signal transmission trolley, 8c… current collector, 9… … Wireless remote control work means, 9a …… Operation unit (control signal transmitter), 9b …… Transmit antenna, 9c …… Monitor television, 9d
… Video tuner, 9e… Reception booster, 9f… Reception antenna, 9g… Audio receiver, 9h… Transmission / reception antenna, 9i… Microphone, 9j… Audio transmitter, G… Ground unit, T… ... top of the tower, X ... building material.

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Yoshihiko Sano 1-5-1 Kiba, Koto-ku, Tokyo Fujikura Electric Wire Co., Ltd. -98633 (JP, B2)

Claims (5)

(57) [Claims] 1. A tower crane (3) supported by a tower mast (2) on an upper part (T) of a tower, and an imaging means (5) for visualizing a work place by the tower crane and wirelessly transmitting the image.
And a camera up-and-down moving means (6) for setting an imaging position in the height direction by the imaging means, and receives an image wirelessly transmitted from the imaging means to the ground portion (G) and monitors the image. Wireless remote control operation means (9) for remotely controlling the camera vertical moving means while the camera vertical moving means contacts an outer corner of the tower mast of the tower crane and is guided in the longitudinal direction thereof. An elevating frame (6a) on which imaging means is mounted;
A tower crane apparatus comprising: a winch (6c) for raising and lowering the lifting frame; and a control unit (3d) for driving the winch by receiving a command signal from a wireless remote control operating means on the ground. 2. A tower crane (3) supported by a tower mast (2) on an upper part (T) of a tower, and an image pickup means (5) for visualizing a work place by the tower crane and wirelessly transmitting the image.
And a camera up-and-down moving means (6) for setting an imaging position in the height direction by the imaging means, and receives an image wirelessly transmitted from the imaging means to the ground portion (G) and monitors the image. A wireless remote control operation means (9) for remotely controlling the camera vertical moving means, while the camera vertical moving means is attached to an outer portion of a turning part (3a) of the tower crane in a suspended state, Telescopic structure that can expand and contract vertically (6f)
And a winch (6c) for raising and lowering the position of the imaging means at the lower end of the telescopic structure. 3. A tower crane (3) supported by a tower mast (2) on an upper part (T) of a tower, and an imaging means (5) for visualizing a work place by the tower crane and transmitting the image wirelessly.
A camera up / down moving means (6) for setting an imaging position in the height direction by the imaging means; and a camera turning means (7) supported by the camera up / down moving means and setting a horizontal imaging direction by the imaging means. And the ground section (G)
A wireless remote control operation means (9) for receiving an image wirelessly transmitted from the imaging means, and for remotely monitoring the camera vertical movement means and the camera turning means while monitoring the image; An elevating frame (6a) that contacts an outer corner of the tower mast of the tower crane, is guided in the longitudinal direction thereof, and mounts imaging means;
A winch (6c) for raising and lowering the lifting frame, and a control unit (3d) for driving the winch by receiving a command signal from the wireless remote control operation means (9) on the ground unit (G). And tower crane equipment. 4. A tower crane (3) supported by a tower mast (2) on an upper part (T) of a tower, and an image pickup means (5) for visualizing a work place by the tower crane and wirelessly transmitting the image.
A camera up / down moving means (6) for setting an imaging position in the height direction by the imaging means; and a camera turning means (7) supported by the camera up / down moving means and setting a horizontal imaging direction by the imaging means. And the ground section (G)
A wireless remote control operation means (9) for receiving an image wirelessly transmitted from the imaging means, and for remotely monitoring the camera vertical movement means and the camera turning means while monitoring the image; The telescopic structure (6f), which is attached to the outer part of the swiveling part (3a) of the tower crane in a suspended state, and is vertically expandable and contractible.
And a winch (6c) for raising and lowering the position of the imaging means (5) at the lower end of the telescopic structure. 5. A tower crane (3) supported by a tower mast (2) on a tower upper part (T); 6f), an imaging means (5) supported at the upper end or lower end of the rod via a camera turning means (7), and imaged and wirelessly transmitted to a work place by the tower crane, and a height by the imaging means. Camera vertical moving means (6) for setting the imaging position in the direction, receiving the video wirelessly transmitted from the imaging means on the ground portion (G), and monitoring and monitoring the video. A tower crane device comprising a wireless remote control operation means (9) for remotely controlling a turning means.