JPH0333776Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a spindle cover for a sluice hoisting machine that lifts and lowers the water control door of a sluice gate in a water intake canal of a water purification plant, an agricultural canal, or the like.

[Related technology and its problems]

In general, water control doors installed in flood gates were constructed in the 1970s.
As disclosed in Japanese Patent No. 33070, the water control door is opened and closed by rotating a spindle fixed to the upper end of the water control door using a handle and moving it up and down.

However, since this spindle is exposed to the wind and rain, it is easily rusted. Once the rust corrodes, the meshing part between the handle and spindle becomes stiff, making the handle very heavy, and the tip of the gear. The handles become rusted and chipped, making it difficult to operate the handle. In addition, lubricating oil is applied to the spindle to make handle operation easier, but sand, dust, etc. adhere to the lubricating oil and flow into the meshing part of the spindle and handle, causing the meshing part to wear out. , its durability becomes less.

For this reason, in the past, the spindle was covered with a cover, and a part of the cover was fitted with glass so that the water control door opening display board installed at the top of the spindle could be seen, but the glass Since it was only provided on one side of the spindle, the light transmittance was poor and the inside of the cover was dark, making it impossible to see the position of the opening display plate unless you got close to the glass. This created the hassle of having to go to the trouble of approaching the water gate and peering through the glass to check the degree to which the water control door was opened or closed.

[Purpose of invention]

This invention was developed based on the above problems, and it covers the spindle to prevent it from being exposed to wind and rain, and also increases the light transmittance so that the position of the internal opening display board can be confirmed even from a distance. The purpose of the present invention is to provide a spindle cover for a water gate hoisting machine that can be used.

[Structure of the invention] The structure of the invention to achieve the above object is to provide an exhaust hole in the upper part of the spindle cover, provide an intake/exhaust hole in the lower part, and provide a water guide wall upright on the bottom plate of the spindle cover. Windows are formed along the longitudinal direction on the front and rear surfaces of the cover, and the windows are closed with a transparent plate.

〔Example〕

An embodiment of the present invention will be described in detail below based on the drawings.

In the drawing, 1 is a stand installed on the top base of the water gate (not shown), 2 is a spindle for raising and lowering the water control door fixed to the upper end of the water control door (not shown), and 3 is installed on the stand 1 This is a spindle hoist, and by rotating a handle 4, the spindle 2 is raised and lowered via gears, nuts, etc. inside the spindle hoist 3, and the water control door is opened and closed. An opening degree display plate 5 is provided at the upper end of the spindle 2, so that the opening/closing degree of the water control door that moves up and down together with the spindle 2 can be checked on the ground.

Reference numeral 6 designates a rectangular metal spindle cover on which the spindle 2 is fitted, the upper end of which is closed with a lid 7, and the bottom of which is closed with a washer 9 welded to a cylindrical body 8 which is open so that the spindle 2 can be inserted therethrough. Therefore, it is screwed onto the spindle hoist 3 with bolts 10. The diameter of the cylindrical body 8 is smaller than the length of one side of the square spindle cover 6, and the upper end of the cylindrical body 8 rises higher than the bottom plate 11 of the spindle cover 6 to form a water guide wall 12. Further, a drainage hole 13 which also serves as an intake hole is provided at a position near the bottom of the spindle cover 6 and lower than the water guide wall 12. Further, an exhaust hole 14 is bored near the top of the spindle cover 6, and a downwardly opening flange 15 is provided in these drainage holes 13 and exhaust hole 14 to prevent rainwater from entering from the side. ing.

Reference numeral 16 designates a plurality of windows that are opened at predetermined intervals along the longitudinal direction of two opposing surfaces of the spindle cover 6, for example, the front and rear surfaces. It is preferable that the width W of this window 16 is about the same as or larger than the diameter of the spindle 2, and the window 16 is made of a transparent polycarbonate resin plate or the like with weather-resistant black scales 17 engraved on the inner surface. The transparent plates 18 consisting of
It is screwed onto the mounting frame 19 with screws 20.
21 is a partition plate that partitions each window 16,
It is formed by each mounting frame 19.

In the present invention constructed as described above, the spindle 2 protruding upward from the spindle hoist 3 is covered with a spindle cover 6, thereby preventing the spindle 2 from being exposed to wind and rain. and,
When the handle 4 is rotated, the spindle hoist 3 raises and lowers the spindle 2, and at the same time also raises and lowers the water control door and the opening degree display plate 5 (not shown). Therefore, the opening/closing degree of the water control door can be known from the position of the opening degree display plate 5. At this time, a window 16 is formed on the opposite front and rear surfaces of the spindle cover 6, and the window 1
6 are each closed with a transparent plate 18, the inside of the spindle cover 6 can be seen through, and the light transmittance is greatly increased, making it possible to see the scale 17 on the inner surface of the transparent plate 18 and the opening degree display plate 5 even from a distance. be able to. Also, the scale 17 becomes invisible when it is far away,
The width of the partition plate 21 that separates each window 16 is relatively wide, and in order to see through the inside of the spindle cover 6, the opening can be adjusted by using the partition plate 21 even from a considerable distance of about 100 m. The position of the display board 5 can be roughly confirmed, and there is no need to take the trouble of looking inside the spindle cover to confirm the position as in the past. In addition, if the width W of the window is larger than the diameter of the spindle 2, it will be visible through the window, which is convenient for checking the opening/closing degree. The manufacturing cost can be reduced by using a square tube rather than a square tube.

By providing an exhaust hole 14 near the top of the spindle cover 6 and a drainage hole 13 that also serves as a ventilation hole near the bottom, the inside of the spindle cover 6 has good ventilation, and the inner surface of the transparent plate 18 is prevented from fogging. I can do it. And if these drainage holes 1
3. Rainwater that has entered through the exhaust hole 14 and the window 16 accumulates on the bottom plate 11 of the spindle 2, and is drained from the drainage hole 13 because the water guide wall 12 on the top of the cylindrical body 8 stands higher than the drainage hole 13. It does not flow into the spindle hoist 3.

[Other Examples]

Although one embodiment of the present invention has been described in detail above, modifications can be made within the scope of the gist of the present invention. For example, as shown in FIGS. 4 and 5, a drainage hole 22 may be formed in the bottom plate 11 of the spindle cover 6. In this way, there is almost no intrusion of rainwater from below, so the flange body 15 becomes unnecessary, and the height of the water guiding wall 23 is also reduced to the extent that the upper end of the cylindrical body 8 is bent slightly upward as shown in the figure. can be formed into

[Effect of idea]

As described in detail above, according to the present invention, an exhaust hole is provided in the upper part of the spindle cover, an intake and drain hole is provided in the lower part, a water guide wall is erected on the bottom plate of the spindle cover, and the front and rear surfaces of the spindle cover are provided with a water guide wall. By drilling a window along the longitudinal direction and closing this window with a transparent plate, it can be seen through the spindle cover, increasing the light transmittance and making it possible to check the position of the opening display board inside the spindle even from a distance. To provide a spindle cover for a sluice hoisting machine which can be checked, has good ventilation inside the spindle cover to prevent fogging on the inner surface of a transparent plate, and prevents rainwater from entering the spindle hoisting machine by a water guide wall. This makes it easy to check the degree of opening and closing of the water control door from a distance, which has a great practical effect.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a longitudinal sectional view of the same, Figure 3 is a sectional view taken along the line A-A, and Figure 4 is a sectional view taken along line A-A.
The figure is a longitudinal sectional view showing another embodiment, and FIG. 5 is BB
FIG. DESCRIPTION OF SYMBOLS 1...Stand, 2...Spindle, 3...Spindle winding machine, 5...Opening degree display plate, 6...Spindle cover, 8...Cylindrical body, 11...Bottom plate, 1
2...Water guide wall, 13...Drain hole, 14...Exhaust hole, 16...Window, 17...Scale, 18...Transparent plate, 19...Mounting frame, 21...Partition plate.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) An exhaust hole is provided in the upper part of the spindle cover, and an intake and exhaust hole is provided in the lower part, a water guide wall is erected on the bottom plate of the spindle cover, and the front and rear surfaces of the spindle cover are provided with a water guide wall. A spindle cover for a water gate hoisting machine, characterized in that a window is formed along the longitudinal direction and the window is closed with a transparent plate. (2) The spindle cover for a water gate hoisting machine according to claim 1, wherein a plurality of the windows are formed at intervals in the axial direction.