JP3018554U - Equipment for opening the lid laid on the road - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a device that can easily open a lid laid on a road such as a U-shaped groove lid and a manhole lid. [Structure] One end of a U-shaped groove lid 61 hangs on a lateral portion 23 of the first member having a substantially U-shape, and the end portion 2 of the lid opening machine is U-shaped.
It is arranged so as to contact the upper surface of the lid 61 of the groove. next,
The grip portion 3 is lifted up while the end portion 2 is in contact with the upper surface of the U-shaped groove lid 61. When the handle part 3 is lifted up, U
Both ends of the lid 61 of the groove are lifted while resting on the side portions 23 of the first member having a substantially U shape. At this time, the two lid opening machines are alternately operated to gradually lift both ends.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a device suitable for opening a U-shaped groove lid and a manhole lid laid on a road.

[0002]

[Prior art]

 With the widespread use of public sewers, U-shaped ditches for draining rainwater and sewage have been found everywhere on the side edges of roads. In addition, sewers and sewage pipes are buried under the road, and manholes are installed in each place.

As shown in FIG. 6, the U-shaped groove 81 is a groove made of concrete and having a U-shaped cross section, and a concrete lid (hereinafter referred to as “U-shaped groove lid”) 82 is provided on the upper portion thereof. It is posted. The length of the lid of the U-shaped groove is standardized to 60 cm. Also, there are several sizes depending on the width of the U-shaped groove. The thickness is different for sidewalks and for roads, 6 cm for sidewalks and 10-12 cm for roadways.

Conventionally, when opening such a U-shaped groove lid, the tip of the burl is put under the U-shaped groove lid from a notch 83 at one end of the U-shaped groove lid 82, and a lever is used. I was prying open. Similarly, when the lid of the manhole was opened, the tip of the burl was put in the through hole provided in the lid of the manhole and pry open.

[0005]

[Problems to be solved by the device]

 However, in the above-mentioned method of opening the lid of the U-shaped groove, if foreign matter such as sand or dust is accumulated between the lids of the adjacent U-shaped grooves and the lid is clogged, the clogging is caused. There was a problem that the lid of the U-shaped groove was weighted and it took a lot of labor to open it. In particular, the lid of the U-shaped groove for the roadway has a thickness of about 10 to 12 cm and weighs about 70 kg, and it is extremely difficult to open it if it is loaded by clogging. The same applies to the method of opening the manhole cover described above.

The present invention has been made in view of the above problems, and provides a device capable of easily opening a lid laid on a road such as a U-shaped groove lid and a manhole lid. The purpose is to do.

[0007]

[Means for Solving the Problems]

 In order to solve the above problems, a device for opening a lid, which is laid on a road according to the present invention (hereinafter simply referred to as a “lid opening device”), has a rod-shaped central portion and a continuous portion at one end of the central portion. And a wide end, a handle formed continuously at the other end of the central part, and at a predetermined position of the central part, it is rotatably attached to the central part in a reciprocal manner. And a first member on which one end of the U-shaped groove lid can be placed. Here, it is preferable that the first member is formed in a substantially U-shape so that the lid of the U-shaped groove can be placed on the side portion of the substantially U-shape.

Further, the lid opening machine according to the present invention is further rotatably attached to the central portion at a predetermined position in the central portion so as to be rotatable in the forward and reverse directions. It is characterized in that a second member capable of supporting the lid is provided. Here, it is preferable that the second member is formed in a substantially T-shape so that the manhole cover can be supported by a portion adjacent to the substantially T-shape.

[0009]

[Action]

 According to the lid opening machine of the present invention, one end of the lid of the U-shaped groove is placed on the first member, and the handle portion is placed with the end of the lid opening machine in contact with the upper surface of the lid of the U-shaped groove. The lid of the U-shaped groove can be opened by lifting it up.

Further, according to the lid opening machine of the present invention, the second member is further inserted from the through hole formed in the lid of the manhole, and the lid of the manhole is supported from the lower end of the through hole. The lid of the manhole can be opened by lifting the handle with the end of the handle contacting the upper surface of the cover of the manhole.

[0011]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing a configuration of a lid opening machine according to an embodiment of the present invention, FIG. 1 (a) is a plan view and FIG. 1 (b) is a side view.

The lid opening machine according to the present embodiment includes a central portion 1, an end portion 2, and a grip portion 3. These are integrally formed by Swedish steel, for example. The central portion 1 has a rectangular cross section and is formed in a rod shape. Further, the end portion 2 is formed so as to be wider and flatter toward the tip. The handle portion 3 has a rectangular cross section, and is tilted at a predetermined angle θ with respect to the central portion 1 so that the force applied by the user when opening the lid of the U-shaped groove is effective. is there. The cross section of the handle portion 3 may be circular or elliptical. Further, it is desirable to cover it with rubber or the like.

Fixing members 4 and 5 are welded to both sides of the center portion 1 near the end portion 2. In the upper part between the fixing members 4 and 5, the first member 6 used when opening the lid of the U-shaped groove is freely rotatable with respect to the fixing members 4 and 5 by the bolt 8 and the nut 9. Is attached to. Similarly, in the lower part between the fixing members 4 and 5, a second member 7 used to open the lid of the manhole is attached to the fixing members 4 and 5 by a bolt 10 and a nut 11 (not shown). It is attached so that it can rotate freely in both directions.

FIG. 2 is a plan view showing the configuration of the first member 6 and the second member 7, and FIG. 3 is a perspective view showing the relationship with the fixing members 4 and 5.

As shown in FIG. 2 (a), the first member 6 has a substantially U-shaped cross section, and the above-described bolt 8 is passed through the lateral portion 21 of the substantially U-shaped member. The through hole 22 is opened. The length L1 of the vertical portion 24 of the substantially U-shape is configured to be slightly longer than the thickness of the lid of the U-shaped groove. Since this embodiment is used to open the lid of the U-shaped groove for the road, it is set to 140 mm. The first member 6 is made of Swedish steel having a thickness of 15 mm. The length L2 of the lateral portion 23 of the substantially U-shape is set to a value shorter than the length of the notch formed in the lid of the U-shaped groove, for example, 60 mm.

Further, as shown in FIG. 2B, the second member 7 has a rectangular cross section and a rectangular cross section. A through hole 32 for passing the above-described bolt 10 is formed in the closed portion 31. The length L3 of the lateral portion 33 of the substantially T-shape is shorter than the major axis direction of the through hole formed in the lid of the manhole and longer than the minor axis direction. In this embodiment, it is set to 25 mm. The second member 7 is also made of Swedish steel with a thickness of 15 mm.

Then, as shown in FIG. 3, a through hole 41 opened in the fixing member 4, a through hole 22 opened in the first member 6, and a through hole 51 opened in the fixing member 5. Pass the bolt 8 through and insert the nut 9. At this time, the first member 6 is configured to be rotatable in the forward and reverse directions about the through hole 22. Similarly, the bolt 10 is passed through the through hole 42 formed in the fixing member 4, the through hole 32 formed in the second member 7, and the through hole 52 formed in the fixing member 5, and the nut 11 is inserted. Fit. Also in this case, the second member 7 is configured to be rotatable in the forward and reverse directions about the through hole 32.

FIG. 4 is a diagram for explaining a method of opening the lid of the U-shaped groove using the lid opening machine configured as described above. As shown in this figure, two lid opening machines are used to open the lid of the U-shaped groove.

First, each lid opening machine is rotated 90 degrees in the horizontal plane with respect to this figure, and the first member 6 is moved from the gaps 64 and 65 between the U-shaped groove lids 62 and 63 to the U-shaped groove. Put it under the lid 61. As described with reference to FIG. 6, since the notch is formed at one end of the lid of the U-shaped groove, there is always a gap between the lid of the adjacent U-shaped groove.

Next, the lid opening machine is rotated 90 degrees in a horizontal plane. Then, as shown in this figure, one end of the U-shaped grooved lid 61 hangs on the side portion 23 of the first member, which is substantially U-shaped, and the end 2 of the lid opening machine has the U-shaped grooved lid 61. Place it so that it contacts the top surface.

Next, the grip portion 3 is lifted up while the end portion 2 is in contact with the upper surface of the U-shaped grooved lid 61. When the handle portion 3 is lifted up, both ends of the U-shaped grooved lid 61 are lifted while being placed on the side portion 23 of the first member having a substantially U shape. At this time, operate the two lid-opening machines alternately to lift both ends little by little.

Here, the features of the lid opening machine of the present invention will be supplemented. As shown in FIG. 4, the end of the U-shaped groove lid 61 is placed on the side portion 23 of the U-shaped groove of the first member, and the end 2 of the lid opening machine is placed on the upper surface of the U-shaped groove lid 61. In the contacted state, the handle portion 3 is horizontal. This is because, as described with reference to FIG. 1, the central portion 1 is inclined by a predetermined angle θ. In addition, by arranging it in such a horizontal manner, it is possible to maximize the use of the user's power.

Further, as shown in FIG. 4, the end portions 2 of the two lid opening machines face each other with a predetermined distance D therebetween, and this distance D is, for example, when the length of the U-shaped groove lid is 60 cm. In this case, it is preferable to configure the lid opening machine so that the distance is about 10 cm. If this distance is too long, the lid of the U-shaped groove may crack. On the contrary, if this distance is too short, the leverage will be small, and a large force will be required to lift the lid of the U-shaped groove. When the length of the lid of the U-shaped groove is, for example, 60 cm, it is preferable to set the length of the central portion 1 to about 500 mm, the length of the end portion 2 to about 100 mm, and the length of the handle portion 3 to about 200 mm. is there.

Further, in this embodiment, as shown in FIG. 1B, the tip of the end portion 2 is displaced from the extension line of the central portion 1. This is to facilitate the operation when removing foreign matter such as sand by the end portion 2 after the lid of the U-shaped groove is opened.

Next, a method for opening the manhole cover will be described with reference to FIG. Here, (a) is a view showing the lid opening machine and the entire lid of the manhole, and (b) is an enlarged view of the vicinity of the second member 7.

First, the lid opening machine is rotated in the horizontal plane by 90 ° with respect to this figure, and the second member 7 is put under the manhole cover 71 through the through hole 72 provided in the manhole cover 71. Next, the lid opening machine is rotated 90 degrees in the horizontal plane with respect to this figure so that the side portion 33 of the second member 7 having a substantially T-shape hangs on the through hole 72 as shown in this figure. Then, the grip portion 3 is lifted while the end portion 2 is in contact with the upper surface of the manhole cover 71.

It should be noted that the present invention is not limited to the above-described embodiments, and various modifications can be made based on the spirit of the present invention, and they are not excluded from the scope of the present invention.

For example, the first member 6 and the second member 7 are rotatable in the forward and reverse directions with respect to the central portion 1, and are respectively provided under the lid of the U-shaped groove or on the lid of the manhole. Any shape and structure that allows them to be hung up after being put under the lid through the through hole may be used.

Further, the shape of the cross section of the central portion 1 is not limited to the rectangular shape, but may be circular or elliptical. The above-mentioned lid opening machine of the present invention has a structure suitable for opening the lid of the U-shaped groove and the lid of the manhole. By using this lid opening machine, other lids laid on the road, For example, opening sewer gratings is easy.

[0030]

[Effect of device]

 As described in detail above, according to the present invention, a lid laying machine such as a U-shaped groove lid and a manhole lid can be easily opened by a lid opening machine having a simple structure.

[Submission date] May 9, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

As shown in FIG. 2 (a), the first member 6 has a substantially U-shaped cross section, and the above-described bolt 8 is passed through the lateral portion 21 of the substantially U-shaped member. through holes 22 are empty only be. The length L1 of the vertical portion 24 of the substantially U-shape is configured to be slightly longer than the thickness of the lid of the U-shaped groove. Since this embodiment is used to open the lid of the U-shaped groove for the road, it is set to 140 mm. The first member 6 is made of Swedish steel having a thickness of 15 mm. The length L2 of the lateral portion 23 of the substantially U-shape is set to a value shorter than the length of the notch formed in the lid of the U-shaped groove, for example, 60 mm.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction content]

Further, as shown in FIG. 2B, the second member 7 has a rectangular cross section and a rectangular cross section. the portion 31 is a through hole 32 for passing a bolt 10 described above are eclipsed sky. The length L3 of the lateral portion 33 of the substantially T-shape is shorter than the major axis direction of the through hole formed in the lid of the manhole and longer than the minor axis direction. In this embodiment, it is set to 25 mm. The second member 7 is also made of Swedish steel with a thickness of 15 mm.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

[0017] Then, as shown in FIG. 3, the through-hole 41 which kicked air to the fixing member 4, a through hole 22 which kicked empty first parts member 6, through which kicked air to the fixing member 5 The bolt 8 is passed through the hole 51 and the nut 9 is fitted. At this time, the first member 6 is configured to be rotatable in the forward and reverse directions about the through hole 22. Similarly, through the through-holes 42 which kicked air to the fixing member 4, a through hole 32 which kicked empty second member 7, a through hole 52 Tonibo belt 10 kicked air to the stationary member 5, Fit the nut 11. Also in this case, the second member 7 is configured to be rotatable in the forward and reverse directions about the through hole 32.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a lid opening machine according to an embodiment of the present invention.

FIG. 2 is a plan view showing the configurations of a first member and a second member.

FIG. 3 is a perspective view showing a relationship between a first member, a second member, and a fixing member.

FIG. 4 is a diagram illustrating a method of opening a U-shaped groove lid according to an embodiment of the present invention.

FIG. 5 is a diagram illustrating a method of opening a lid of a manhole according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Central part, 2 ... End part, 3 ... Handle part, 6 ... 1st member,
7 ... Second member, 61-63 ... U-shaped groove lid, 71 ... Manhole lid

[Procedure amendment]

[Submission date] May 9, 1995

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Added

[Correction content]

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a lid opening machine according to an embodiment of the present invention.

FIG. 2 is a plan view showing the configurations of a first member and a second member.

FIG. 3 is a perspective view showing a relationship between a first member, a second member, and a fixing member.

FIG. 4 is a diagram illustrating a method of opening a U-shaped groove lid according to an embodiment of the present invention.

FIG. 5 is a diagram illustrating a method of opening a lid of a manhole according to an embodiment of the present invention.

FIG. 6 is a perspective view showing a U-shaped groove and its lid.

[Explanation of Codes] 1 ... Central part, 2 ... End part, 3 ... Handle part, 6 ... First member,
7 ... Second member, 61-63 ... U-shaped groove lid, 71 ... Manhole lid

Claims (5)

[Scope of utility model registration request] 1. A rod-shaped central portion, an end portion formed continuously wide at one end of the central portion, a handle portion continuously formed at the other end of the central portion, Laying on a road, comprising a first member that is rotatably attached to the center at a predetermined position in the center so that the U-shaped groove can be placed on one end of the lid. A tool to open the lid. 2. A rod-shaped central portion, an end portion formed continuously wide at one end of the central portion, a handle portion continuously formed at the other end of the central portion, A first member that is rotatably attached to the central portion in a forward and reverse direction at a predetermined position in the central portion and is capable of mounting one end of a lid of a U-shaped groove; and the central portion at a predetermined position in the central portion. And a second member that is rotatably attached to the section in a reciprocal manner and is capable of supporting the manhole cover from the lower end of a through hole formed in the manhole cover. A tool to open the lid. 3. A device for opening a lid laid on a road according to claim 1 or 2, wherein the handle portion is inclined at a predetermined angle with respect to the central portion. 4. The first member is formed in a substantially U-shape, and a U-shaped groove lid can be placed on a side portion of the U-shape. A tool to open the lid laid on the road. 5. The road according to claim 2, 3 or 4, wherein the second member is formed in a substantially T-shape, and the manhole cover can be supported by a side portion of the T-shape. A tool to open the lid that is laid on the.