JP3437096B2 - Angle drop attachment / detachment device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an angle drop attachment / detachment device used for inserting and arranging an angle drop blocking a water channel such as a sewerage facility or an agricultural water channel into a guide wall.

[0002]

2. Description of the Related Art In sewerage facilities, agricultural flume facilities, cultivating and fishery facilities, etc., is the maintenance, inspection or repair of the facilities performed with the treatment layers and flumes of each facility emptied?
Alternatively, for the purpose of adjusting the amount of water in the irrigation canal, etc., the canal is dammed by a corner drop stacked at a required height.

This corner drop is inserted into a vertical guide groove provided on the wall surface of the water channel for blocking, and a plurality of sheets are stacked to form an impermeable wall of a required height. Also,
When changing the flow rate, the corner drops that are immersed in the water are raised. Then, when lifting or hanging the above corner drop, a dedicated corner drop attachment / detachment device is used. Such a device includes a device main body having both ends inserted into the guide groove, and a suspending device that removably locks the handle.

[0004]

Since the distance between the guide grooves may be different depending on the type of the water channel or the like, there are various sizes of the corner drop. However, the position of the handle in the direction between the guide grooves (longitudinal direction of the main body of the device) is slightly different depending on the size of the corner drop. For this reason, conventionally, it is necessary to prepare a plurality of types of dedicated corner drop attachment / detachment devices corresponding to the size of the angle drop attachments, which increases the cost and requires a storage space for the plurality of types of angle drop attachment / detachment devices. There was a drawback. Therefore, the present invention aims to improve the versatility of the corner drop attachment / detachment device by making the suspension device compatible with the handle of the corner drop attachment / removal device of any size, even if it is a single-piece drop attachment / detachment device. , And to reduce cost and storage space.

[0005]

The present invention takes the following technical means in order to achieve the above object. That is, the sloping attachment / detachment device of the present invention engages the shavings having a handle on the upper surface of a pair of guide grooves arranged so as to face each other, and locks the shavings so as to move up and down. An angle drop attachment / detachment device for hoisting or hanging, comprising a device main body whose both ends are inserted into the guide groove, and a lifting device that locks the handle detachably. Formed on the device body
Allow the handle to enter upward through the formed opening
And the locking position that closes the opening to lock the handle.
And a locking device that is movable between the table and the allowable position.
Switching means for selectively switching to the locking position, and
When the locking of the hand is released from the locking tool, the locking tool is allowed
And a releasing means for moving the apparatus main body to
A base member divided into a number and fixed to the suspension device
And a connecting member for connecting the base member,
Also for adjusting the withdrawal of the base member with respect to the connecting member
Expansion and contraction adjusting means are provided, and
The distance is changed so that the expansion and contraction can be adjusted so that the relative positions of the handle and the suspension device match.

Furthermore, wherein the distal end portion than the lifting device in the base member, to guide the elevation of the main body I along the guide groove, longitudinally extending and retracting telescopic slide device of the apparatus main body It is preferable that the slide device is provided with adjusting means for adjusting the distance between the guide members that abut the inner surface of the guide groove.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 denotes an angle drop attachment / detachment device according to an embodiment of the present invention.
Is a case where the plate-shaped corner drop 2 is placed, for example, on the bottom surface of the water channel or the corner drop 2 previously arranged in the water channel or the like, and when it is arranged in the water channel or the like. Used when removing.

[0008] Each corner drop 2 are engaged by inserting into the guide groove 6 formed respectively on the inner surface of the guide wall 5 disposed facing each other becomes constituted by a portion of the side walls of the canals. A pair of U-shaped handles 7 are provided on the upper surface of each corner drop 2 at a predetermined interval. In addition, escape bottoms (not shown) are formed on the lower surface of each corner drop 2 so that the handle 7 of the lower corner drop 2 does not get in the way when stacked.

The corner drop attachment / detachment device 1 has an elongated device body 8 whose both ends are inserted into the guide grooves 6. The apparatus main body 8 includes a pair of left and right base members 10 and a connecting member 11 that connects opposite ends of each base member 10.

As shown in FIGS. 2 and 3, each of the base members 10 has an upward U-shape which is composed of a bottom wall 12 and both side walls 13 rising upward from both edges of the bottom wall 12. A plurality of bolt holes 15 are formed at one end of each side wall 13 of each base member 10, and a bolt 16 is inserted into each bolt hole 15 so as to project to the outside of each side wall 13. .

[0011] Similarly to the connecting member 11 is also the base member 10, made of side walls 18 for rising to the bottom wall 17 and the upper connecting member 11 is fitted from the lower side of the base member 10. That is, the bottom wall 17 of the connecting member 11 is located below the bottom wall 12 of each base member 10, and the connecting member 1
The side walls 18 of No. 1 are located outside the side walls 13 of each base member 10.

[0012] and, on both sides of the wall 18 of the connecting member 11,
An elongated hole 19 through which the bolt 16 is inserted is formed along the longitudinal direction of the device body 8. A wing nut 20 is screwed onto each bolt 16, and both base members 10
The expansion and contraction of the device body 8 can be adjusted by changing the interval. The elongated hole 19, the bolts 16 and the wing nut 20 of the connecting member 11 constitute expansion and contraction adjusting means.

Reference numeral 22 denotes a pair of suspension devices for locking the handle 7 of the corner drop 2 to lift or suspend the corner drop 2 and are fixed to the base members 10. An opening 24 is formed at a position corresponding to the handle 7 on the bottom wall 12 of the base member 10 so that the handle 7 can be inserted therethrough.

As shown in FIGS. 6 to 9, each of the suspension devices 22 has a casing 26 whose lower surface is open. Inside the casing 26, a horizontal casing is rotatably inserted into and supported by the casing 26. A locking member 29 is swingably provided around the shaft 27. The locking tool 29 is formed of a plate-shaped body that is bent and formed in a substantially inverted shape so as to have a locking portion 29a and a pressed portion 29b.

Further , the locking tool 29 has an allowable position for allowing the handle 7 to enter the casing 26 through the opening 24, and a locking position for closing the opening 24 to lock the handle 7. It is designed to swing between. That is, the locking portion 29a is horizontal at the locking position and tilts upward at the allowing position. The length of the locking portion 29a is set longer than the length of the pressed portion 29b so that the locking portion 29a can be brought into the locking position by its own weight. Further, the width of the locking portion 29 a (the length in the longitudinal direction of the device body 8) is shorter than the opening length of the handle 7.

In the casing 26, a base portion of a substantially L-shaped pressing body 30 is provided so as to be vertically swingable via a shaft 32, and a downward pressing portion 30a of the pressing body 30 is provided.
Is abutted against the pressed portion 29b of the locking tool 29 from above. The shaft 32 has the opening 24.
Is located on the opposite side of the shaft 27 supporting the locking tool 29.

A switching lever 34 including a shaft portion 34a in the vertical direction and a handle portion 34b in the horizontal direction is provided on the upper part of the casing 26 so as to be vertically movable and rotatable. A lower portion of the shaft portion 34a is inserted into an insertion hole 33 formed in the pressing body 30, and a fixing plate 38 for holding the pressing body 30 from below is fixed to a protruding portion of the lower portion. Moreover, the pressing plate 35 is externally fitted to the shaft portion 34a, and the spring 36 is externally fitted to the shaft portion 34a so as to be located between the pressing plate 35 and the pressing body 30.

Further, the upper portion of the shaft portion 34a, the two upper and lower lock pins 37a, 37b are protruded respectively, the casing 26, the engaging pin 37a and the switch lever 34 is vertically, 37b So that the lock pins 37a and 37b can be located inside and outside the casing 26.
Is formed, and by rotating the switching lever 34, the locking pins 37a and 37b are moved to the casing 26.
It can be locked from above or below.

On the opposite surfaces of both casings 26,
One ends of the wires 39 are connected to each other, and the other ends thereof can be attached to the lower end of a chain 40 whose upper end is suspended by a hook of a hoist crane, for example.

Reference numeral 43 is a slide device for guiding the base member 10 inserted into the guide groove 6, and is provided on the other end side of each base member 10, respectively. The slide device 43 has a base member 10 as shown in FIGS.
A slide body 44 is slidably fitted to the other end of the slide body from above. Each slide body 44 has a side wall 44a and a top wall 44b that come into contact with the inner surfaces of the side walls 13 of the base member 10.
It is formed in the shape of downward from and.

Further, elongated holes 41 are formed in both side walls 13 of the base member 10, and both side walls 44a of each slide body 44 are formed.
A bolt 42 that is inserted into the long hole 41 is provided in the projecting portion, and a wing nut 46 is screwed into the bolt 42.
The elongated hole 41, the bolt 42, and the wing nut 46 constitute expansion / contraction adjusting means.

A pair of arms 45 are swingably provided on the top wall 44b of each slide body 44. Each arm 4
5 has a disk-shaped base portion 45a, and the base portion 45a is polymerized. Concavo-convex engaging portions 47a are radially formed on the mutually facing surfaces of the base portions 45a.

In both arms 45, the concavo-convex engaging portions 47a are engaged with each other, and a butterfly bolt 48 is inserted through the center of each base portion 45a to fasten the butterfly bolt 48 to the slide body 44 side. As a result, the opening angle of the arm 45 can be adjusted.

A support portion 50 is provided at the tip of each arm 45, and a rolling wheel 51 as a guide member that rolls on the inner surface 6a of the guide groove 6 is provided in the support portion 50 about a horizontal axis 53. It is supported. Further, the slide body 44 is provided with a rolling wheel 55 as a guide member that rolls along the bottom surface 6b of the guide groove 6. The concave-convex engaging portion 47a and the wing bolt 48 constitute an adjusting means for adjusting the distance between the rolling wheels 51.

The corner drop detachment device 1 of this embodiment has the above configuration, the case of using the apparatus 1 below.

When the corner drop 2 is suspended and installed in a waterway or the like, first, the wing nut 20 that connects the base member 10 and the connecting member 11 according to the distance between the corner drop 2 to be used. After loosening each of the base members 10 with respect to the connecting member 11 to make the hanging device 22 fall into each corner and match the handle 7 of the 2, the respective wing nuts 20 are fastened to connect the connecting member 11 to each other. The base member 10 is fixed.

[0027] Moreover, by operating the wing nut 46 to secure the same slide 40, as rolling wheel 55 rolls the bottom 6b of the guide groove 6, the base members 1
The slide device 40 is adjusted to move back and forth with respect to 0. Further, the wing bolt 48 is operated to adjust the opening angle of the arm 45 so that the rolling wheel 51 rolls on the inner surface 6a of the guide groove 6.

Furthermore, it lifts the switch lever 34, locking the lower engaging pins 37a on the upper surface of the casing 26. At this time, the fixing plate 38 of the switching lever 34 is pressed by the pressing body 3
Since 0 is lifted upward, the locking tool 29 is not pressed by the pressing body 30 and is in the locking position by its own weight (FIG. 7).
(See (a)).

In that state, when the attachment / detachment device 1 is lowered from above the attachment 2 and the opening 2 of the base member 10 is removed.
The handle 7 of the sloping 2 from the 4 enters into the casing 26,
The handle 7 pushes the locking portion 29a of the locking tool 29 upward against its own weight to rotate the locking tool 29.

When the handle 7 pushes up the locking portion 29a to the allowable position, the handle 7 separates from the locking portion 29a and the handle 7 passes through the locking portion 29a, so that the locking tool 29 again moves downward by its own weight. It rotates, passes through the inside of the handle 7, and reaches the locking position.

Next, when increasing the angular dropped attachment apparatus 1,
Since each handle 7 is lowered relative to the declining device 1 and the attaching / detaching device 1, it is possible to engage the engaging portion 29a of the engaging device 29 at the engaging position from above and lift the declining device 2. (See FIG. 7B).

[0032] After lifting the corner dropped 2, switching lever 34
Is operated to push the handle portion 34b downward to rotate the handle portion 34b, so that the upper locking pin 37b is moved to the casing 2
The inner surface of 6 is engaged. Then, the pressing plate 35 and the pressing body 3
The spring 36, which is interposed between 0 and 0, is compressed and urges the pressing body 30 downward. The pressing plate 35
The upward movement is restricted by the lower locking pin 37a.

Although the pressing body 30 urges the locking tool 29 in the locking position toward the allowable position, the weight of the corner drop 2 acts on the locking tool 29 via the handle 7. From
The locking tool 29 maintains the locking position (see FIG. 8A).

In this state, both ends of the corner drop 2 are engaged with the guide groove 6 such as a water channel, and the corner drop 2 is suspended along the guide groove 6. At this time, the rolling wheel 51 of the arm 45 of the slide device 43 rolls on the inner side surface 6a of the guide groove 6, and the rolling wheel 55 rolls on the bottom surface 6b of the guide groove 6, so that the corner drop attachment / detachment device 1 is mounted. The downward movement is stable and there is no rattling.

When the corner drop 2 reaches the bottom of the water channel or the like or the upper surface of the corner drop previously arranged, the downward movement of the corner drop 2 is stopped. Further, when the corner drop attachment / detachment device 1 is slightly lowered, the handle 7 of the corner drop attachment 2 moves upward relative to the corner drop attachment / detachment device 1. With the movement of the handle 7, the weight of the corner drop 2 acting on the locking tool 29 is released, so that the locking tool 29 is rotated to the allowable position by the pressing force of the pressing body 30, and the opening part is opened. 24 is opened (see FIG. 8B). At this time, even if the corner drop 2 is in the water, the pressing body 30 is the spring 3 of the switching lever 34.
By 6, the permissible position of the locking tool 29 is forcibly maintained reliably.

[0036] Next, the case where lifting angle dropped 2 disposed waterways in like. The device main body 8 is expanded and contracted to adjust the position of the lifting device 22 and the handle 7,
In addition, the slide device 43 adjusts the distance from the suspension device 22 to the guide groove 6 and the width direction of the guide groove 6, and prevents the pressing body 30 from pressing the locking member 29.
Lifting the switching lever 34 is similar to the above case.

As a result, the corner drop attachment / detachment device 1 can be stably lowered into the guide groove 6, and the alignment of the corner drop attachment / detachment device 1 with respect to the corner drop 2 is ensured.

When the corner drop attachment / detachment device 1 is lowered, the opening 24 can be aligned with the position of the handle 7, and further, when the corner drop attachment / detachment device 1 is lowered, the handle 7 can be locked by the locking tool 29.

[0039] Further, by increasing the angular dropped unloading device 1, lifting the corners dropped 2 engaged with the guide groove 6,
The switching lever 34 is operated to switch the locking tool 29 from the free state to the state in which it is pressed by the pressing body 30. After that,
When the corner drop 2 is placed at a predetermined position and the corner drop attachment / detachment device 1 is slightly lowered, the pressing body 30 rotates the locking tool 29 to the allowable position by the spring, so that the angle drop attachment / detachment is performed again. By raising the device 1, the handle 7 is locked by the stopper 29.
Can be removed from.

The present invention is not limited to the above-described embodiment, and for example, as shown in FIG. 10, a slide device is provided so that the corner drop attachment / detachment device 1 can be raised and lowered horizontally and reliably.
A guide body 58 having a rolling wheel 57 that rolls on the bottom surface 6b of the guide groove 6 may be provided upright on 43 .

Further, in the embodiment shown in FIG. 11, the arm 45 of the slide device 43 is provided so as to be vertically swingable, and both arms 45 are connected by a spring 60. That is, both arms 45 are urged by springs 60 in the opening direction, and wires 60a and the like are connected to both arms 45 to set a predetermined opening position. In such a case, even if the guide groove 6 is narrow, it is possible to rotate both arms 45 in the closing direction against the spring 60.

In the embodiment shown in FIG . 12A, each arm 45 of the slide device 43 is provided with a fan-shaped portion 61, and an arc-shaped long hole 62 is formed in the fan-shaped portion 61. Then, the opening degree of each arm 45 can be adjusted by the butterfly bolt 63 inserted through the elongated hole 62.

In the embodiment shown in FIG . 12B, the arm 45 of the slide device 43 is provided so as to be vertically swingable, and a turnbuckle 65 is connected to both arms 45.

[0044] Further, the apparatus main body 8, the base member 10
However, the present invention is not limited to this. For the corner drop 2 provided with three handles 7, three base members 10 are provided and each base member is provided. 10 is connected by a connecting member 11 so as to be able to move in and out,
A suspension device 22 may be provided in each base member 10, and the number of base members 10 may be more than one or may be one.

[0045] Moreover, is adopted rolling wheel as a guide member of the sliding device 43, in addition to driven wheels, the guide member, a material having good sliding properties, for example, MC nylon,
It is also possible to form a predetermined shape from a material such as ultra-high molecular weight polyethylene or ceramics and slide the guide member in the guide groove 6.

Further, the expansion / contraction means between the base member 10 and the connecting member 11 is not limited to the above.

[0047]

As described above, the angle drop attachment / detachment device of the present invention comprises the device main body in which both ends are inserted into the guide groove, and the suspension device for detachably locking the handle. Holding device
Is the handle that goes up through the opening formed in the main unit.
Allowable position and opening to lock the handle
A locking tool that is movable between a locking position that closes the
To selectively switch the stop between the allowed position and the locked position
When the lock of the switching means and the handle is released from the locking tool
A release means for moving the locking tool to the allowable position,
The device body is divided into a plurality of parts and the suspension device is fixed.
Fixed base member and a connecting portion for connecting the base member
And the base member to the connecting member.
There is expansion and contraction adjustment means for adjusting the entrance and exit,
Change the mutual spacing distance serial suspended device, so that the relative position between the handle and the lifting device matches, is telescopic adjustment
Because there, by elastic adjusting apparatus main body, by a single corner drop attachment apparatus, it is possible to perform reliably lifting or hanging work corner drop of any size.

[0048] Accordingly, improved versatility of corner drop detachable device, the attained reduction of cost, it is not necessary to store and prepare a plurality of types of corner drop attachment apparatus for each size of each corner drop, storage location It is possible to save space.

[0049] Moreover, even if the handle is provided with a plurality of the corner down, aligned individually hung device becomes possible for each handle.

Further, a slide device, which is extendable and retractable in the longitudinal direction of the apparatus body, is provided at the tip of the hanging member of the base member so as to guide the lifting and lowering of the apparatus body along the guide groove. In this case, the handle and the lifting device can be aligned with each other, and the device body can be stably moved up and down with respect to the guide groove. It has the advantage of being removable.

[Brief description of drawings]

FIG. 1 is a perspective view showing a corner drop attachment / detachment device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional plan view showing a connected state of the base member and the connecting member.

FIG. 3 is a sectional front view showing the main part.

FIG. 4 shows the slide device, (a) is a plan view,
(B) is a perspective view showing the base of the arm.

FIG. 5 is a sectional side view showing the slide device.

FIG. 6 is a partially cutaway perspective view showing the suspension device.

7A and 7B show the same-angle drop attachment / detachment device, in which FIG. 7A is a sectional view before the handle is locked, and FIG. 7B is a sectional view in a state in which the handle is locked.

8A and 8B show the same-angle drop attachment / detachment device, in which FIG. 8A is a cross-sectional view of a state in which the switching lever is pushed in, and FIG.

FIG. 9 is a cross-sectional view showing a state in which a handle is separated from the suspension device.

FIG. 10 is a partial sectional front view showing another embodiment of the slide device.

FIG. 11 shows another embodiment of the slide device,
(A) is a plan view and (B) is a side view.

FIG. 12 shows another embodiment of the slide device,
(A) is a plan view and (B) is a side view.

[Explanation of reference signs] 1 drop-off device 2 drop-off 6 guide groove 7 handle 8 device body 22 suspension device 10 base member 11 connecting member 40 slide device 51 guide member (rolling wheel)

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) E02B 7/22 E02B ⁷ /34-7/36

Claims (3)

(57) [Claims] 1. A pair of guide grooves arranged to face each other is engaged with a corner drop having a handle on its upper surface so as to move up and down so that the handle is locked to lift or suspend the corner drop. An angle drop attachment / detachment device comprising: a device body having both ends inserted into the guide groove; and a suspending device that removably locks the handle. The suspending device is formed on the device body.
Allowing the handle to enter upward through the opened opening
And the locking position that closes the opening to lock the handle.
Locking device that can move freely between the
Switching means for selectively switching to the position and the handle
When the lock is released from the lock, move the lock to the allowable position.
And a releasing means for moving the device body,
A base member divided and fixed to the suspension device,
And a connecting member for connecting the base member, and
Expansion and contraction to adjust the base member in and out of the connecting member
Adjustment means are provided for spacing the lifting devices from each other.
An angle drop attachment / detachment device, which is adjustable in expansion / contraction so that a relative position between a handle and a suspension device is changed by changing a distance . 2. A slide device, which is extendable and retractable in the longitudinal direction of the device body, is provided at a tip end portion of the base member with respect to the suspension device so as to guide the device body up and down along the guide groove. The drop-off device according to claim 1, which is provided. 3. The corner drop attachment / detachment device according to claim 2 , wherein the slide device is provided with an adjusting means for adjusting a distance between the guide members abutting on the inner surface of the guide groove.