JP3529987B2 - Gondola for moving the bottom surface of the horizontal material diagonal with suction wheels - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to intake Chakusharin formula horizontal material diagonal member lower surface moving gondola.

[0002]

2. Description of the Related Art Like a tower of a suspension bridge or a diagonal or horizontal material connecting towers to each other, it is composed of a steel wall surface of a magnetic material and requires periodic inspection and repair. With respect to the structure, a maintenance machine such as a gondola is moved and held in close contact with the wall surface.

Regarding the wall-moving gondola, the applicant of the present application has already invented the one described in Japanese Patent Application Laid-Open No. 7-324479.
The wall-moving gondola of No. 9 has a structure that can be easily applied to the tower pillar portion of the main tower, and there is a problem in applying it as it is to the horizontal and diagonal members of the main tower.

For this reason, there is a need for a wall-moving gondola that is compatible with the horizontal and diagonal members of the main tower.

The present invention has been made in order to solve the above-mentioned conventional problems, and the side surface and the lower surface of the steel wall surface are securely attached to the horizontal and diagonal members of the main tower by the adsorption wheels. and to provide a free intake Chakusharin formula horizontal material diagonal member lower surface moving gondola is Ru can be moved.

[0006]

The gist of the present invention will be described with reference to the accompanying drawings.

Suspension device 20 for adsorbing wheel 1 with built-in magnet
The suspension device 20 is installed in front of and behind the suspension device 20.
An appropriate supporting device 21 and continuously to the provided, lifting the supporting device 21
A boarding cage 8 connected to a movable suspension base 14 via means 9 is appropriately arranged, and the suspension device 20 is always provided with the adsorption wheels 1 according to the change of the inclination angle of the steel wall surface 5. An inclination correcting device 23 is provided so as to be attracted to the lower surface of the wall surface 5 to be rotated, and a compression spring 24 is provided at a lower end portion of the elevating means 9 provided on both sides of the riding cage 8 via a connecting member 25. Compression spring
A limit switch 26 is provided at an intermediate portion of 24, and when the compression spring 24 contracts, a locking portion 31 provided at the lower end of the compression spring 24 operates the limit switch 26 to stop the lifting and lowering.
The present invention relates to a suction wheel type horizontal material diagonal member lower surface moving gondola.

Further, the inclination correcting device 23 is provided with a manual handle.
By rotating 29, the screw jack 27 is configured to expand and contract via the speed reducer 28, and the inclination angle of the suspension device 20 can be adjusted according to the expansion and contraction of the screw jack 27. The present invention relates to a suction wheel type horizontal material diagonal member lower surface moving gondola according to claim 1.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention (how to carry out the invention) will be briefly described with reference to the drawings and showing its function and effect.

[0010] suspending the adsorption wheel 1 of the magnet built-in type device 20
The suspension device 20 is provided with a tilt correction device 23 so that the suction wheel 1 can always be sucked and rotated on the lower surface of the steel wall surface 5 in accordance with a change in the tilt angle of the steel wall surface 5. Since it is tilted, the suction wheels 1 arranged in front of and behind the suspension device 20 can stably move freely on the lower surface of the steel wall surface 5 in a state of being always adsorbed on the lower surface of the steel wall surface 5. Since the supporting device 21 is provided in the lower part so as to be connected to the suspension device 20 and the riding cage 8 is appropriately arranged in the supporting device 21, the adsorption wheels 1 always move while being adsorbed on the lower surface of the steel wall surface 5. As a result, the riding cage 8 can always be stably moved along the lower surface of the steel wall surface 5.

[0011]

EXAMPLES intake Chakusharin formula horizontal material diagonal member side moving gondola
An example and a gondola for moving a bottom surface of a horizontal member of a diagonal member of a suction wheel according to an embodiment of the present invention will be described with reference to the drawings.

[0012] adsorption wheeled horizontal material diagonal member side moving gondola shown here, a magnetic material of the diagonal member 18 and the horizontal member 17 which connects the tower post 19 and Tobashira 19 tower as illustrated in FIG. 16 In order to freely move the side surface of the constructed steel wall surface 5,
As shown in FIG. 5, at least one attraction wheel 1 with a built-in magnet is arranged on each of the left and right main frames 2,
A steering mechanism capable of appropriately providing a connecting member 3 for connecting the left and right main frames 2, a caster-equipped wheel 4 at an appropriate position of the connecting member 3, and simultaneously steering the adsorption wheels 1 adsorbing to the steel wall surface 5. 6, a trolley 7 composed of the main frame 2 and the connecting member 3 is provided with a riding cage 8 as appropriate, and is constituted by a rope 10, a lifting means 9 of a gondola 16 composed of a winder (winder), etc. Has been done.

In the riding cage 8 in which the suction wheels 1 are arranged on the left and right sides, since the suction wheels 1 are always adsorbed on the side surfaces of the steel wall surface 5, the lifting means 9 composed of a rope 10, a winder or the like is used. When it is moved up and down, the boarding cage 8 becomes a steel wall surface 5.
You can always move along the wall without leaving the sides.

In the steering mechanism 6, the suction wheels 1 on the left and right are referred to in the vertical direction so that the suction wheels 1 can freely move in the vertical, horizontal, and diagonal directions while being attracted to the steel wall surface 5.
The structure allows steering within a range of ± 90 degrees. As shown in FIG. 3, the steering mechanism 6 is composed of a manual handle 11, a speed reducer 32, and a link 12, and has a structure in which the left and right suction wheels 1 are connected by a link 13, so that the manual handle 11 is rotated. Therefore, the left and right suction wheels 1 can be simultaneously steered.

By controlling the direction of the adsorption wheels 1 by the steering mechanism 6, the traveling direction of the riding cage 8 can be changed, and the left and right inclinations of the riding cage 8 can be adjusted. Further, as shown in FIG. As described above, if the wheel angle of the suction wheel 1 is adjusted to the inclination angle of the steel wall surface 5 of the diagonal member 18 or the horizontal member 17, the pulley 15 of the movable suspension base 14 and the lifting means of the riding cage 8 provided in the upper portion. Since the rope 10 is provided between the winder 9 and the winder 9, the riding cage 8 can be moved in cooperation with the movable suspension element 14 while the adsorption wheel 1 is adsorbed on the steel wall surface 5.

The simplest method for moving up and down the gondola 16 is to use the commercially available winder for the gondola as it is and wind the rope 10.

In order to move the gondola 16 in the direction of the diagonal member 18 and the horizontal member 17, as shown in FIG. 4, it is necessary to move the gondola 16 in cooperation with the movable suspension base 14 provided in the upper portion. At that time, if the angle of the adsorption wheel 1 is fixed to the same angle as the inclination angle of the diagonal member 18 and the horizontal member 17, the traveling speed of the pulley 15 of the mobile suspension base 14 and the ascending / descending speed of the gondola 16 are made equal. It is possible to move the gondola 16 while adsorbing the adsorption wheel 1 on the steel wall surface 5.

A commercially available gondola can be used as the riding cage 8. In this case, as shown in FIGS. 1 and 2, the suction wheel 1, the steering mechanism 6 and the like are appropriately attached and fixed.

As for the back and forth swing of the riding cage 8 from the back of the gondola 16, as shown in FIGS. 1 and 2, wheels 4 with casters are provided, and the suction wheels 1 and wheels with casters on the left and right. It is possible to prevent the riding cage 8 from swinging back and forth by closely contacting the steel wall surface 5 with the three wheels 4 and 4. Further, when the work is performed with the gondola 16 stopped, the suction wheel 1 is directed vertically so that the skid friction force of the suction wheel 1 opposes the wind load from the side surface of the gondola 16 and the horizontal force of the earthquake. You can

[0020] As described above, intake Chakusharin type horizontal member diagonal member side moving gondola, gondola constituted by respective steerable adsorption wheels 1 and one of the casters wheels 4 to the left and right from general deck type gondola Since it is 16, the steel wall surface 5
By moving the gondola 16 adsorbed and held by the rope 10 with the rope 10 and steering the adsorbing wheels 1, the traveling direction of the gondola 16 and the gondola 16 on the steel wall surface 5 are as if driving a car on a flat surface. The left and right inclination of can be adjusted.

Next, the suction wheel type horizontal material diagonal member lower surface moving gondola according to one embodiment of the present invention is a diagonal member 18 for connecting the tower pillars 19 and the tower pillars 19 of the tower as shown in FIG. In order to freely move the lower surface of the steel wall surface 5 made of the magnetic material of the material 17, as shown in FIGS. 6 to 15, the adsorption wheels 1 with a built-in magnet are arranged before and after the suspension device 20. The suspension device 20 is connected to the suspension device 20 at a lower portion of the suspension device 20 and the support device 21 is appropriately installed.
And the support cage 21 is provided with the boarding cage 8 as appropriate.
The suspension device 20 is provided with a tilt correction device 23 so that the suction wheel 1 can always be sucked and rotated on the lower surface of the steel wall surface 5 according to a change in the tilt angle of the steel wall surface 5. The inclination correcting device 23 is configured such that the screw jack 27 is expanded and contracted via the speed reducer 28 by rotating the manual handle 29, and the suspension device 20 is expanded and contracted according to the expansion and contraction of the screw jack 27.
The compression spring 24 is provided at the lower end portion of the elevating means 9 provided on both sides of the riding cage 8 via the connecting member 25, and the intermediate portion of the compression spring 24 is provided. The limit switch 26 is provided, and when the compression spring 24 contracts, the locking portion 31 provided at the lower end of the compression spring 24 operates the limit switch 26.

The inclination correcting device 23 is suspended so that the adsorption wheel 1 can always adsorb to the lower surface of the steel wall surface 5 and rotate in response to changes in the inclination angle of the steel wall surface 5 of the diagonal member 18 and the horizontal member 17. Device 20
The angle of the gondola 30 attached to the can be adjusted according to the inclination angle of the steel wall 5 of the diagonal member 18 and the horizontal member 17, so that the suspension device
Since the suction wheel 1 arranged on the tire 20 is always sucked on the steel wall surface 5 on the lower surface of the diagonal member 18 or the horizontal member 17, the position of the gondola 30 can be reliably held.

Further, as shown in FIGS. 8 and 9, the gondola 30 can be slanted by moving up and down in cooperation with the elevating means 9 composed of a winder and the movable suspension base 14 installed in the upper part. It can be moved in a state where it is adsorbed to the steel wall surface 5 on the lower surface of 18 or the horizontal member 17.

The simplest means for raising and lowering and moving the gondola 30 is to use a commercially available gondola winder (winder 33) and a riding cage 8 as shown in FIGS. It is a method of winding the rope 10 by connecting with. The limit switch 26 detects the compression displacement of the compression spring 24 provided at the mounting portion of the winder 33,
It is possible to prevent an overload that may be caused by a wind load when the 30 is installed and when the movable suspension element 14 provided in the upper portion is traveling. This overload prevention safety device 22 is shown in FIGS.
2, the limit switch 26 is operated to stop the lifting of the gondola 30 when an overload occurs.

In order to move the gondola 30 in the axial direction of the diagonal member 18 and the horizontal member 17, as shown in FIGS. 8 and 9, the pulley 15 of the movable suspension base 14 at the upper portion is moved first to move the rope. The gondola 30 may be moved by the tension of 10. When the gondola 30 is moved, if the traveling speed of the pulley 15 of the mobile suspension base 14 and the ascending / descending speed of the gondola 30 are set to the same speed, the gondola 30 is slanted 18
It can be moved while being attracted to the lower surface of the horizontal member 17.

The angle of the lower surface of the diagonal member 18 and the horizontal member 17 on which the gondola 30 moves varies depending on the work target site. Even in such a case, the front and rear adsorption wheels 1 must be the diagonal member 18 and the horizontal member.
An inclination correction device 23 is provided in contact with the steel wall surface 5 on the lower surface of the suction wheel 17 so that the suction wheel 1 can exert its suction force.

A suspension device 20 having suction wheels 1 arranged at the front and rear is provided with a tilt correction device 23 composed of a screw jack 27, a speed reducer 28 and a manual handle 29, as shown in FIGS. 13 and 14. As described above, by rotating the manual handle 29, the screw jack 27 extends and contracts via the speed reducer 28, and the suspension device 20 rotatably provided around the suction wheel 1 responds to the expansion and contraction of the screw jack 27. The tilt angle can be adjusted.

A commercially available gondola can be used as the boarding cage 8. In this case, as shown in FIGS. 6 and 7, a suspension device 20 having suction wheels 1 arranged at the front and rear, and a lifting means 9 are provided. A compression spring 24 that connects the winder 33 and the riding cage 8 that configure the above, a tilt correction device 23, and the like are appropriately attached and fixed.

Further, in order to prevent the gondola 30 from moving laterally due to wind or the like, the rotation of the suction wheel 1 can be restrained by a brake device provided in the suspension device 20.

As described above, according to the embodiment of the present invention, the suction wheel type horizontal material slanting member lower surface moving gondola has the suspension wheel 20 in which the suction wheels 1 are arranged at the front and rear and the inclination angle can be adjusted, and the riding cage. Since it is a gondola 30 composed of eight, the gondola 30 corresponds to an arbitrary angle of the lower surface of the horizontal member 17 or the diagonal member 18.
Can be adsorbed.

Further, the front and rear suction wheels 1 arranged on the suspension device 20 are connected by a roller chain and a brake transmission shaft, and the brake disc fixed to the brake transmission shaft restrains the rotation of the suction wheels 1 at the time of stop work. It is possible to prevent lateral movement of the gondola 30 due to the wind.

Further, in cooperation with the movement of the movable suspension base 14 installed in the upper part, the gondola is attached to the lower surface of the horizontal member 17 and the diagonal member 18.
It is possible to move toward the member while adsorbing 30.

Further, when the gondola 30 moves up in the air and reaches the lower surface of the horizontal member 17 or the diagonal member 18, the elevating means 9 for elevating the passenger cage 8 and the passenger cage 8 are connected by the compression spring 24. Then, the stroke change of the compression spring 24 can be detected to stop the rise of the gondola 30.

The magnet-incorporated adsorption wheel 1 used is the one invented by the present applicant in JP-A-7-324479. This magnet-incorporated adsorption wheel 1 is used.
Has a magnet with an arcuate outer surface that is swingable while the shaft center is rotating in a part of the space between the axle and the wheel flange in a state of being separated from the wheel flange, and a strong wheel between the axle and the steel wall surface. The magnet is arranged so that the direction of the maximum magnetic force of the magnet always faces the steel wall surface so that a pressing force is generated. Further, the magnet is turned toward the steel wall surface by rotating the magnet. The releasing means is provided to retreat to a position away from the position and release the magnetic attraction with the steel wall surface.

[0035]

According to the present invention, as described above, arranged adsorption wheel built-in magnet type before and after the suspension system, always adsorption vehicle wheels in accordance with a change in the tilt angle of the steel wall in the suspension system Since the tilt correction device is tilted so that it can be adsorbed to the lower surface of the steel wall surface and rotated, the adsorption wheels arranged before and after the suspension device are always stable in the state in which they are adsorbed to the lower surface of the steel wall surface. Since the lower surface of the steel wall can be freely moved and a supporting device is provided in the lower part of the suspension device so as to be connected to the suspension device, and a riding cage is appropriately arranged in the supporting device, the adsorption wheels are It is possible to always move the boarding cage while being attracted to the lower surface of the steel wall surface, and to always move the riding cage in a stable state along the lower surface of the steel wall surface.

[Brief description of drawings]

[Fig.1] One of the gondolas for moving the side surface of the diagonal material of the adsorption wheels
It is a front view which shows an example .

[Fig. 2] One example of a gondola for lateral movement of a diagonal material of a suction wheel type horizontal material
It is a side view which shows an example .

[Fig. 3] One example of a gondola for moving lateral surfaces of suction wheels and horizontal materials
It is explanatory drawing which shows the operating state of an example .

[Fig. 4] One example of a gondola for lateral movement of a diagonal material of a suction wheel type horizontal material
It is explanatory drawing which shows the use condition of an example .

FIG. 5 is an explanatory diagram showing a usage state of the present embodiment .

FIG. 6 is a front view showing another embodiment of this embodiment .

FIG. 7 is a side view showing another embodiment of this embodiment .

FIG. 8 is an explanatory diagram showing a usage state of the present embodiment .

FIG. 9 is an explanatory diagram showing a usage state of the present embodiment .

FIG. 10 is a side view showing the present embodiment .

FIG. 11 is an explanatory diagram showing a main part of the present embodiment .

FIG. 12 is an explanatory diagram showing a main part of the present embodiment .

FIG. 13 is an explanatory diagram showing an operating state of the present embodiment .

FIG. 14 is an explanatory diagram showing a main part of the present embodiment .

FIG. 15 is an explanatory diagram showing a usage state of the present embodiment .

FIG. 16 is an explanatory diagram showing a tower.

[Explanation of symbols]

1 Adsorption Wheel 5 Steel Wall 8 Cage for Riding 9 Lifting Means 14 Movable Lifting Base 20 Suspension Device 21 Support Device 23 Inclination Correcting Device 24 Compression Spring 25 Connecting Member 26 Limit Switch 27 Screw Jack 28 Reducer 29 Manual Handle 31 Locking Department

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Noboru Koga 3-1-8- Nakachuai, Suma-ku, Kobe-shi, Hyogo (72) Inventor Ryuji Yonehara 1-16-27-Mikunihonmachi, Yodogawa-ku, Osaka-shi, Osaka 1514 (72) Inventor Kazuo Akiyama 2-20-20 Akashi, Niigata City, Niigata Prefecture Toko Akashi 606 (56) References JP 47-32601 (JP, A) JP 7-324479 (JP, A) JP-A-9-89855 (JP, A) JP-A-6-239566 (JP, A) Actual development 3-19682 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04G 3/10 B61B 13/06 B66B 9/16

Claims (2)

(57) [Claims] The method according to claim 1 Adsorption wheel built-in magnet type disposed before and after the suspension system, the appropriate supporting device and continuously to the suspension device to the lower part of the suspension system is provided, is via a lifting means to the support device
By appropriately arranging a boarding cage connected to the mobile suspension base ,
The suspension device is provided with an inclination correcting device so that the adsorption wheels can always adsorb to the lower surface of the steel wall surface and rotate in response to changes in the inclination angle of the steel wall surface, and are installed on both sides of the riding cage. A compression spring is provided at the lower end of the elevating means via a connecting member, a limit switch is provided at the middle of the compression spring, and when the compression spring contracts, the locking part provided at the lower end of the compression spring activates the limit switch. To stop lifting.
A gondola for moving the lower surface of a horizontal material diagonal material that is made of a suction wheel. 2. The inclination correcting device is configured such that the screw jack expands and contracts via a speed reducer by rotating a manual handle, and the inclination angle of the suspension device can be adjusted according to expansion and contraction of the screw jack. The suction wheel type horizontal material slant lower surface moving gondola according to claim 1, wherein the gondola is configured as described above.