JP3229728U - Rail inspection device for hoist cranes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inspection device capable of efficiently inspecting a rail of a hoist type crane. A traverse rail 100 of a hoist type crane has a flange 101 extending to the left and right, and left and right wheels of the hoist are placed on the left and right upper surfaces 101a of the flange. The rail inspection device 1 for the traverse rail is mounted on the device body 2 that enables the traverse rail to travel, the left and right digital cameras mounted on the device body to image the left and right upper surfaces 101a, and mounted on the device body, and the left and right upper surfaces It is equipped with left and right digital depth gauges to measure wear. The device body includes left and right first roller members 20 for traveling on the left and right upper surfaces of the flange, left and right second roller members 22 for traveling on the lower surface 101b of the flange, and left and right side surfaces 101c of the flange. The left and right third roller members 23 for traveling on the vehicle are attached. [Selection diagram] Fig. 1

Description

The present invention relates to a rail inspection device used for inspecting the rail of a hoist type crane.

In indoor and outdoor work places such as factories and warehouses, hoist-type cranes that lift and lower loads by hoists and move hoists along traversing rails are used as overhead cranes (see, for example, Patent Document 1). As shown in FIG. 4, I-shaped steel is used for the traverse rail 100, which is the rail of the hoist type crane, and the left and right wheels (trolley wheels) of the hoist 102 are attached to the left and right upper surfaces 101a of the flange 101 extending to the left and right. ) 103 is placed so that the hoist 102 can be hung.

Utility Model Registration No. 3190794

In the traverse rail 100 of the hoist type crane, wear occurs on the upper surface 101a of the flange 101, which is the traveling surface of the wheel 103. When the hoist 102 often repeatedly starts and stops at a predetermined position, wear tends to locally progress on the upper surface 101a. Further, when the hoist type crane is installed outdoors, the traverse rail 100 is exposed to wind and rain, and deterioration is likely to occur.
Therefore, it is required to inspect the traverse rail 100 on a regular basis. Conventionally, an operator visually inspects the wear and deterioration of the traverse rail 100. However, the inspection of the traverse rail 100 is a work at a high place, and the work of installing and removing the scaffolding is required, and the cost and burden of taking measures against falling objects are large. In addition, when inspecting the traverse rail 100, it may be necessary to suspend the operation of the hoist type crane. Further, it is difficult to inspect the entire length of the traverse rail 100 without exception, and the inspection is performed in a limited place, and there is a possibility that the progress state and the tendency of occurrence of wear cannot be grasped, for example.

The present invention has been made in view of the above points, and an object of the present invention is to enable efficient inspection of the rail of a hoist type crane.

The rail inspection device of the hoist type crane of the present invention has a flange extending to the left and right, and is used to inspect the rail on which the left and right wheels of the traveling body are placed on the left and right upper surfaces of the flange. A rail inspection device for a type crane, which is mounted on the main body of the device capable of traveling on the rail, one or more imaging devices mounted on the main body of the device and image the upper surfaces on the left and right, and mounted on the main body of the device. It is characterized by being provided with left and right measuring devices for measuring the wear of the left and right upper surfaces.

According to the present invention, the rail of the hoist type crane can be inspected efficiently.

It is the figure which looked at the rail inspection device of the hoist type crane which concerns on embodiment from the front. It is a partially exploded perspective view of the apparatus main body of the rail inspection apparatus of the hoist type crane which concerns on embodiment. It is the figure which looked at the rail inspection device of the hoist type crane which concerns on embodiment from the side. It is a figure for demonstrating the outline of a hoist type crane.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
1 to 3 show a rail inspection device 1 (hereinafter, referred to as a rail inspection device 1) of the hoist type crane according to the embodiment. The rail inspection device 1 is used to inspect the traverse rail 100, which is the rail of the hoist type crane as shown in FIG. In the present application, the direction in which the rail extends is referred to as front-rear, the side thereof is referred to as left-right, and the direction is shown in the figure.

FIG. 1 is a front view of the rail inspection device 1. Further, FIG. 2 is a partially exploded perspective view of the device main body 2 of the rail inspection device 1. Further, FIG. 3 is a side view of the rail inspection device 1. It should be noted that FIGS. 1 to 3 are views for explaining the outline of the rail inspection device 1, and not necessarily all the components are shown in each figure, and for example, the dimensions and the like are not specified. Absent.
The rail inspection device 1 includes a device main body 2 that enables the traverse rail 100 to travel.

The apparatus main body 2 includes left and right plates 3 arranged so as to face each other, and front and rear rods 4 that connect the left and right plates 3. Although the plate 3 on the left side is shown in FIG. 2, the plate 3 on the right side has the same configuration, and the illustration is omitted in FIG. Further, in FIG. 1, the rod 4 is not shown, and in FIG. 2, only the front rod 4 is shown.

Further, the apparatus main body 2 includes an upper bracket 5 supported by the inner surface of the plate 3 and front and rear upper support plates 6 supported by the upper bracket 5 on the left and right sides. Although FIG. 2 shows the upper bracket 5 and the upper support plate 6 on the left side (only the front one is shown), the upper bracket 5 and the upper support plate 6 on the right side have the same configuration, and are shown in FIG. Is omitted.

Further, the apparatus main body 2 includes a lower bracket 7 supported by the inner surface of the plate 3 and front and rear lower support plates 8 supported by the lower bracket 7 on the left and right sides. The lower bracket 7 and the lower support plate 8 have a shape in which the upper bracket 5 and the upper support plate 6 are turned upside down, and the illustration thereof is omitted in FIG.

As shown in FIG. 2, the plate 3 is formed with openings 9 at two front and rear positions at a substantially central position in the height direction. The opening 9 is used together with the gantry bracket 10 to attach a third roller member 23, which will be described later.

Further, in the plate 3, holes 11 are formed at two positions in the front and rear at a position below the opening 9. The hole 11 is for inserting the rod 4 and erection the rod 4 between the left and right plates 3. A threaded portion is formed at the end of the rod 4, and the rod 4 is fixed with a nut or washer provided along the inner and outer surfaces of the plate 3 in a state where the end of the rod 4 is inserted into the hole 11. By changing the fixed position of the rod 4 with respect to the plate 3, the distance between the left and right plates 3 can be changed, and the width of the apparatus main body 2 in the left-right direction is variable. By making the width of the apparatus main body 2 variable in the left-right direction in this way, it becomes possible to correspond to various left-right widths L (see FIG. 4) of the flange 101. Although the left and right plates 3 are connected via the rod 4, the left and right plates 3 may be connected via a plate-shaped member or the like in addition to or in place of the rod 4.

Further, four holes 13 are formed in front of and behind the upper portion of the plate 3. The hole 13 is a hole through which a bolt 12 for fixing the upper bracket 5 is passed. Further, four holes 15 are formed in the front and rear of the lower portion of the plate 3. The hole 15 is a hole through which a bolt 14 for fixing the lower bracket 7 is passed.

The upper bracket 5 is formed by an angle having a substantially L-shaped cross section having a front-rear length similar to the front-rear length of the plate 3, and has a mounting surface portion 5a to the plate 3 and a support surface portion 5b that supports the upper support plate 6. And have.
Four holes 16 corresponding to the holes 13 are formed before and after the mounting surface portion 5a. The mounting surface portion 5a is arranged along the inner surface of the plate 3, and the upper bracket 5 is fixed to the plate 3 by fastening the bolts 12 using the holes 13 and 16. The hole 16 has an elongated hole shape that is long in the vertical direction. This makes it possible to adjust the height position of the upper bracket 5 with respect to the plate 3.
Two holes 18 are formed in front of and behind the support surface portion 5b. The hole 18 is a hole through which a bolt 17 for fixing the upper support plate 6 is passed, and has an elongated hole shape that is long on the left and right.

The upper support plate 6 is attached to the front and rear of the upper bracket 5 to support the first roller member 20, which will be described later.
Two holes 19 corresponding to the holes 18 are formed in the upper support plate 6. The upper support plate 6 is arranged along the lower surface of the support surface portion 5b of the upper bracket 5, and is fixed to the upper bracket 5 by fastening bolts 17 using the holes 18 and 19. The holes 19 are also used to attach the first roller member 20. The hole 19 has an elongated hole shape that is long on the left and right. As a result, the upper support plate 6 can be slid left and right with respect to the upper bracket 5 to adjust the left and right positions of the upper support plate 6. By doing so, it becomes possible to adjust the left-right position of the first roller member 20 fixed to the upper support plate 6.

As described above, the lower bracket 7 and the lower support plate 8 have a shape in which the upper bracket 5 and the upper support plate 6 are turned upside down, and detailed description thereof will be omitted. The lower support plate 8 is attached to the front and rear of the lower bracket 7 to support the second roller member 22, which will be described later. Although the lower bracket 7 and the lower support plate 8 are described as having the upper bracket 5 and the upper support plate 6 turned upside down, it is not necessary that the dimensions and the shape of the details match.

As shown in FIG. 1, the left and right first roller members 20 for traveling on the left and right upper surfaces 101a of the flange 101 are attached to the apparatus main body 2.
The first roller member 20 is attached to the upper support plate 6 at two locations, front and rear, on the left and right sides of the apparatus main body 2. The first roller member 20 includes a rubber roller 20a and a pedestal portion 20b that supports the roller 20a, the pedestal portion 20b is fixed to the upper support plate 6 using holes 19 and bolts 21, and the roller 20a faces downward. It is arranged so as to be. The first roller member 20 thus travels on the left and right upper surfaces 101a of the flange 101 and receives the load of the rail inspection device 1.

Here, as shown in FIG. 1, the upper surface 101a of the flange 101 has an inclined surface that descends toward the outer end portion. The roller 20a of the first roller member 20 has a tapered shape in accordance with the inclined surface.
Further, the first roller member 20 is arranged so that the roller 20a travels on the upper surface 101a at a position shifted from the position where the wheels 103 of the hoist 102 travel. Specifically, as shown in FIG. 4, the wheel 103 of the hoist 102 runs in the outer region of the upper surface 101a, whereas as shown in FIG. 1, the roller 20a of the first roller member 20 has a roller 20a. It is designed to run in the inner region of the upper surface 101a. As described above, the left-right position of the upper support plate 6 can be adjusted, and the left-right position of the first roller member 20 can be adjusted, and the traveling position of the first roller member 20 can be appropriately determined. Can be done.

The left and right second roller members 22 for traveling on the lower surface 101b of the flange 101 are attached to the apparatus main body 2.
A second roller member 22 is attached to the lower support plate 8 at two front and rear positions on the left and right sides of the apparatus main body 2. The second roller member 22 includes a rubber roller 22a and a pedestal portion 22b that supports the roller 22a, and the pedestal portion 22b has a hole (similar to the hole 19 of the upper support plate 6) and a bolt 30 that are not shown. It is fixed to the lower support plate 8 using the roller 22a so as to face upward. The second roller member 22 thus travels on the lower surface 101b of the flange 101 and prevents the rail inspection device 1 from rising.

The left and right third roller members 23 for traveling on the left and right side surfaces 101c of the flange 101 are attached to the apparatus main body 2.
A third roller member 23 is attached to the plate 3 at two front and rear positions on the left and right sides of the apparatus main body 2. Two gate-shaped brackets 10 arranged side by side are mounted on the outer surface of the plate 3 so as to straddle the opening 9 vertically. The third roller member 23 includes a rubber roller 23a and a pedestal portion 23b that supports the roller 23a, and the pedestal portion 23b is fixed to the bracket 10 and arranged so that the roller 23a faces sideways through the opening 9. Will be done. The third roller member 23 in this way travels on the left and right side surfaces 101c of the flange 101 and prevents the rail inspection device 1 from meandering.

The second roller member 22 and the third roller member 23 are provided with elastic members 24 and 25 such as coil springs so as to have a cushioning function. Although the second roller member 22 and the third roller member 23 are provided with elastic members 24 and 25, the present invention is not limited to this, and all of the first to third roller members 20, 22 and 23 or all of them or An elastic member may be provided in any part thereof.

As described above, the device main body 2 is configured. The device main body 2 is configured to be connectable to the hoist 102. By connecting the device main body 2 to the hoist 102, the rail inspection device 1 can be moved along the traverse rail 100 along with the movement of the hoist 102. Although the description of an example of a specific connection structure for connecting the device main body 2 to the hoist 102 will be omitted, any connection structure may be used.

As shown in FIGS. 2 and 3, digital cameras 26, which are imaging devices, are mounted on the left and right sides of the device main body 2. In addition, in FIGS. 2 and 3, only the digital camera 26 on the left side is shown. The digital camera 26 on the left side is arranged so as to image the upper surface 101a on the left side of the flange 101. Similarly, the digital camera 26 on the right side is arranged so as to image the upper surface 101a on the right side of the flange 101. For example, the arm 27 is attached so as to extend forward using the bracket 10, and the digital camera 26 is supported by the arm 27 so that the upper surface 101a of the flange 101 can be imaged.

If the digital camera 26 is provided with, for example, a wireless communication function, the captured image can be transmitted to an external device (for example, a mobile information terminal owned by a user on the ground) by wireless communication so that the image can be confirmed on the monitor of the external device. Good. Alternatively, the image captured by the digital camera 26 may be stored in a storage medium so that it can be confirmed later.
Although it is assumed that the digital cameras 26 are mounted on the left and right sides of the apparatus main body 2, one digital camera may be used as long as one digital camera can image the left and right upper surfaces 101a of the flange 101.

Digital depth gauges 28 are mounted on the left and right sides of the apparatus main body 2. In addition, in FIGS. 2 and 3, only the digital depth gauge 28 on the left side is shown. The left digital depth gauge 28 is arranged so that its stylus 28a contacts the left upper surface 101a of the flange 101 to measure the wear of the upper surface 101a. Similarly, the digital depth gauge 28 on the right side is arranged so that the stylus 28a contacts the upper surface 101a on the right side of the flange 101 to measure the wear of the upper surface 101a. For example, an arm 29 is attached to the support surface portion 5b of the upper bracket 5 so as to extend rearward from the apparatus main body 2, the digital depth gauge 28 is supported by the arm 29, and the stylus 28a comes into contact with the upper surface 101a of the flange 101. Constitute. As described above, the second roller member 22 prevents the rail inspection device 1 from floating, and the third roller member 23 prevents the rail inspection device 1 from meandering, thus preventing the rail inspection device 1 from running shake. However, the accuracy of measuring wear by the digital depth gauge 28 can be improved. The digital depth gauge 28 may be a general-purpose product, or a rotating body may be attached to the tip of the stylus 28a to reduce friction with the upper surface 101a of the flange 101.

For example, the digital depth gauge 28 may be provided with a wireless communication function, and the measurement result may be transmitted to an external device by wireless communication so that the measurement result can be confirmed on the monitor of the external device. Alternatively, the digital depth gauge 28 has a function of displaying the measurement result, the display is captured by a digital camera (separate from the digital camera 26), and the digital camera transmits the display to an external device by wireless communication, and the external device transmits the display. You may be able to check it on your monitor. Alternatively, the measurement result of the digital depth gauge 28 may be stored in a storage medium so that it can be confirmed later.
Although the example of using the digital depth gauge 28 as the measuring device for measuring the wear has been described, for example, a laser displacement sensor or the like may be used.

As described above, when inspecting the traverse rail 100, the rail inspection device 1 is installed on the traverse rail 100 and moved along the traverse rail 100. Then, by checking the image of the upper surface 101a of the flange 101 captured by the digital camera 26, it is possible to visually inspect the wear and deterioration of the traverse rail 100. Further, by confirming the measurement result with the digital depth gauge 28, it is possible to catch the wear of the upper surface 101a of the flange 101 and confirm the wear of the traverse rail 100.
By using the rail inspection device 1 in this way, it is necessary to install and remove the scaffolding when installing the rail inspection device 1 on the traverse rail 100, but it is not necessary to install and remove other scaffolding. In addition, measures against falling objects are not required, and the cost and burden are greatly reduced. Further, when inspecting the traverse rail 100, it is not necessary to stop the operation of the hoist type crane. Further, the entire length of the traverse rail 100 can be inspected without exception, and for example, the progress state and the tendency of occurrence of wear can be grasped.
As described above, the traverse rail 101 of the hoist type crane 100 can be efficiently inspected.

Although the present invention has been described above together with the embodiments, the above-described embodiments merely show examples of embodiment of the present invention, and the technical scope of the present invention is interpreted in a limited manner by these. It must not be. That is, the present invention can be implemented in various forms without departing from the technical idea or its main features.
For example, the configuration of the device main body 2 described in the above embodiment is only an example, and the present invention is not limited to this. The apparatus main body 2 is equipped with one or more imaging devices for imaging the left and right upper surfaces 101a of the flange 101 and left and right measuring devices for measuring the wear of the left and right upper surfaces 101a of the flange 101 while allowing the rail to travel. Anything that can be done will do.
Further, in the above embodiment, the device main body 2 is connected to the hoist 102 to move the rail inspection device 1, but the rail inspection device 1 may be mounted on a power source such as a motor to be self-propelled. ..

Further, in the above embodiment, the traverse rail 100 is taken as an example of the rail of the hoist type crane, but the present invention is not limited to this. For example, both ends of the traverse rail 100 may be supported by traveling rails (not shown), and the traverse rail 100 may be moved in the orthogonal direction thereof. In this case, if the traveling rail constitutes a rail on which the left and right wheels of the traverse rail are placed on the left and right upper surfaces of the flange extending to the left and right, the traveling rail inspection device to which the present invention is applied is traveled. It can also be used to inspect rails.

1: Rail inspection device, 2: Device body, 3: Plate, 4: Rod, 5: Upper bracket, 6: Upper support plate, 7: Lower bracket, 8: Lower support plate, 20: First roller member , 22: 2nd roller member, 23: 3rd roller member, 26: digital camera, 28: digital depth gauge, 28a stylus, 100: traverse rail, 101: flange, 101a: top surface, 102: hoist, 103: Wheel

Claims (7)

A hoist-type crane rail inspection device that has flanges that extend to the left and right and is used to inspect the rails on which the left and right wheels of the traveling body are placed on the left and right upper surfaces of the flange.
The main body of the device that enables the rail to run, and
One or more imaging devices mounted on the main body of the device to image the left and right upper surfaces, and
A rail inspection device for a hoist-type crane, which is mounted on the main body of the device and includes left and right measuring devices for measuring wear on the left and right upper surfaces. The rail inspection device for a hoist-type crane according to claim 1, wherein the left and right first roller members for traveling on the left and right upper surfaces are attached to the device main body. The rail of the hoist-type crane according to claim 2, wherein the first roller member is arranged so that the roller travels on the upper surface of the upper surface at a position shifted from the position where the wheel travels. Inspection device. The rail inspection device for a hoist-type crane according to any one of claims 1 to 3, wherein left and right second roller members for traveling on the lower surface of the flange are attached to the device main body. .. The rail of the hoist type crane according to any one of claims 1 to 4, wherein left and right third roller members for traveling on the left and right side surfaces of the flange are attached to the apparatus main body. Inspection device. The rail inspection device for a hoist-type crane according to any one of claims 1 to 5, wherein the device main body is configured to have a variable width in the left-right direction. The rail is a traversing rail for the hoist to move.
The rail inspection device for a hoist-type crane according to any one of claims 1 to 6, wherein the device main body is configured to be connectable to a hoist.

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