JP2007062796A - Tank container and tank vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tank container that ensures safety for working on a scaffold. <P>SOLUTION: The tank container has a tank that is long lengthwise and has in its upper face a manhole that can be opened or closed so that liquid or powder can be delivered into the tank or discharged from it. The tank also has a frame that includes posts erected at the front end and rear end of each side of the tank and having holes in their tops. The tank also has a scaffold formed on the upper face of the tank. In such a tank container, ropes to which safety band hooks can be attached are stretched such that the ends of each rope are removably attached to the holes in the posts erected on one of the sides of the tank in directions toward the front and back. This improves safety for working on the scaffold. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a tank container and a tanker truck that are carried on a vehicle or a ship.

  According to the Industrial Safety and Health Act, workers who work at a place with a height of 2 m or more (hereinafter referred to as a high place) are required to use a safety belt. The safety belt is composed of a belt wound around the operator's waist and a hook connected to the belt via a safety cord. Then, an operator wraps a belt of a safety belt around his waist and attaches a hook to an appropriate structure to perform the work, thereby preventing an injury caused by dropping from a high place.

  On the other hand, in a trailer or a tanker truck loaded with a tank container, the tank is generally enlarged from the viewpoint of liquid and powder transport efficiency, and a tank having a height exceeding 2 m is provided. Therefore, for example, the worker climbs on the tank to take in and out liquid and powder from a manhole provided on the upper surface of the tank, and performs work at a high place on a scaffold provided in the tank. The worker on the tank works by attaching a safety band hook to an appropriate structure (for example, a handle used to open and close the manhole) provided in the tank.

  However, there may not be a structure where a safety band hook can be attached at an appropriate place. Even if an appropriate structure exists, the structure is not designed to withstand the load applied when the operator falls. For this reason, when an operator falls, the structure to which the safety belt hook is attached may be damaged, and the safety of the operator may not be sufficiently ensured.

  In Patent Document 1, a traveling base that is movable, a support column that is provided on the upper surface of the traveling base and that is extendable in a height direction, and a bracket-like safety attached to an upper position of the support column. A safety band attaching device composed of a band attaching member or the like is disclosed. And this safety belt attaching device can be easily installed on the side of the vehicle when work is carried out on the transport vehicle, for example, and can secure the safety of the worker.

In Patent Document 2, a plurality of clamp means for clamping a railroad rail sleeper, a plurality of pillars that are detachably provided on the clamp means, and whose surfaces are made of an insulator, are suspended between the upper parts of these pillars. A railroad high work safety device is disclosed that includes a rope stretched in the laying direction of the rail, and a safety belt that is movably connected to the rope in the extending direction of the rope and attached to the operator's body. Yes. With this safety device, even if an operator accidentally steps off, it can be hung from the rope suspension position above the column so that it can be grasped by a hand such as a sleeper or rail within the reach of the operator There is something, and the risk of rescue work is said to be low.
Japanese Patent No. 3285840 Japanese Patent Laid-Open No. 10-108916

  The safety belt attaching device of Patent Document 1 can be advantageously used to ensure the safety of the operator when working on the transport vehicle. However, it is expensive to arrange the safety belt attaching device in every place where the transport vehicle is loaded and unloaded, and there is a problem that it is necessary to secure a storage place for the device.

  The safety device of Patent Document 2 has a configuration suitable for working at high places on railroad rails because of the use of sleeper clamping means, but the safety device on a trailer or tanker truck loaded with a tank container is used. It is not suitable for office work.

  An object of the present invention is to provide a tank container and a tanker truck that can be safely operated on a scaffold.

  The present invention relates to a tank having a manhole that can be opened and closed that allows liquid or powder to be sent and received on its upper surface, and a head that is erected on each of the front and rear ends of both sides of the tank. In a tank container including a frame including a support having a hole in the part and a scaffolding disposed on the upper surface of the tank, a rope to which a safety belt hook can be attached, each end of the rope being one of the tanks The tank container with improved safety in the scaffolding is characterized in that it is detachably stretched through the holes of the respective columns arranged upright in the front-rear direction of the side surface.

Preferred embodiments of the tank container of the present invention are as follows.
(1) At both ends of the rope, support tools that are temporarily fixed by being engaged with the holes of the respective columns are attached.
(2) Each support has a saddle-shaped main body portion having a curved base portion, and a lateral length larger than the size of the hole of the column, which is attached so as to intersect the vicinity of the base portion of the main body portion. It consists of a stick.
(3) The rope includes a tool for adjusting the length of the entire rope.

  The present invention also has a long tank in the front-rear direction provided with an openable / closable manhole that enables liquid or powder to be delivered and received, and is arranged upright at each of the front and rear ends of both sides of the tank. It is possible to attach a safety belt hook used for enhancing the safety of the work of the tank container including the frame body including the support having a hole in the head and the scaffold disposed on the upper surface of the tank, and A rope with a supporting tool comprising a rope having a tool for adjusting the overall length and a supporting tool that is attached to each end of the rope and that is temporarily fixed by engaging with the hole of the column. is there.

The preferable aspect of the rope with a support of the present invention is as follows.
Each supporting tool includes a bowl-shaped main body portion having a curved base portion, and a horizontal bar attached to intersect the vicinity of the base portion of the main body portion and having a length larger than the size of the hole of the column. Become.

  The present invention also includes a long tank in the front-rear direction provided with an openable manhole capable of delivering liquid or powder on the upper surface, and a scaffold surrounded by a peripheral wall standing around the manhole of the tank. In a tanker vehicle, a rope or beam material to which a safety belt hook can be attached is fixed and stretched to the peripheral wall with the ends of the rope or beam material spaced apart from each other. There is also a tanker truck with improved safety of work on the characteristic scaffolding.

The preferred embodiments of the tank truck of the present invention are as follows.
The rope comprises a tool for adjusting the overall length of the rope.

  A rope is stretched over the tank container or tank car of the present invention, and an operator can work safely on a scaffold on the tank by attaching a hook of a safety belt to the rope.

  The tank container of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view showing a configuration example of a tank container according to the present invention and a towing vehicle with a trailer loaded with the tank container. 2 and 3 are a plan view and a right side view, respectively, of a towing vehicle with a trailer loaded with the tank container of FIG. 2 and 3, the description of the rope 18 shown in FIG. 1, the supports 19 a and 19 b of the rope 18, and the operator 44 wearing the safety belt 43 is omitted.

  The tank container of the present invention shown in FIGS. 1 to 3 includes a tank 12 having a manhole 11 that can be opened and closed that allows liquid or powder to be sent and received on its upper surface, a tank 12 that is long in the front-rear direction, A tank container including a frame 15 including struts 14a, 14b, 14c, and 14d having holes 13 in a head standing on each of the rear ends and a scaffold 16 disposed on the upper surface of the tank 12. 17, a rope 18 to which a safety belt hook can be attached is attachable to and detachable from each hole 13 of the columns 14 a and 14 b in which each end portion of the rope 18 is erected in the front-rear direction on one side surface of the tank 12. It has a stretched configuration.

  The tank container of the present invention is loaded on a trailer 41 and transported by a towing vehicle 42 as shown in FIG. As shown in FIG. 1, the worker 44 wearing the safety belt 43 attaches the safety belt hook 43 a to the rope 18, so that the work on the scaffold 16 such as opening and closing the manhole 11 can be performed safely. Can be done.

  The rope 18 to which the safety belt hook 43a is attached is detachably stretched over the tank container 17. For this reason, when the tank container 17 loaded on the trailer 41 is transported by the towing vehicle 42, the rope 18 can be removed and accommodated in the inside of the towing vehicle. The vehicle height of the trailer 41 loaded with the tank container 17 may reach 3.8 m, and the vehicle height is further increased when the rope 18 is stretched over the tank container. By removing the rope 18 while transporting the tank container 17 as described above, for example, when the trailer passes below the equipment such as piping in a chemical factory, Can prevent accidents caused by contact with And even if the safety band attaching device as described in Patent Document 1 is not prepared at the place where the tank container is unloaded, the rope 18 is stretched over the tank container 17 again. Thus, it is possible to safely work on the scaffold 16.

  Next, in the tank container of the present invention, the reason why the rope 18 is stretched using the hole of the support column of the tank container 17 will be described.

  The tank container 17 is loaded on the trailer and transported by a tow truck as described above, or loaded on a ship and transported. And the tank container before loading to a trailer or a ship is piled up and down and stored in a container yard.

  In order to prevent the tank containers stacked above and below from collapsing, these tanks need to be temporarily fixed to each other. In order to perform this temporary fixing, elongated holes are formed in the top surface and the bottom surface of each column of the tank container. Then, a lower part called a temporary lock called a twist lock is inserted into the hole on the top surface of each column of the tank container and engaged with the hole of the column to temporarily fix it. These tank containers are temporarily fixed to each other by stacking the containers so that the upper portion of the temporary fixing tool is inserted into the hole in the bottom surface of each column. In addition, not only the top surface but also the vicinity of the upper end and the lower end of the side surface is formed in each support column. The holes formed in the side surfaces of the columns are holes into which the lifter claws are inserted when the tank container is moved by a dedicated lifter or loaded on a trailer or the like.

  As described above, since the heads of the respective columns of the tank container 17 are provided with the holes 13 (holes formed in the vicinity of the top surface and the upper end of the side surface), the tank 12 is erected in the front-rear direction on one side surface. This is because the rope can be easily stretched to a generally used tank container by using the holes 13 of the columns 14a and 14b arranged. As shown in FIGS. 1 and 2, it is preferable that the rope 18 is stretched above the frame 15 of the tank container 17 in terms of workability in the scaffold 16, but is stretched to the side of the frame 15. May be.

  In order to facilitate the tensioning of the rope 18 to the tank container 17, a support that is temporarily fixed to each end of the rope 18 by engaging with the holes 13 of the columns 14 a and 14 b as shown in FIG. 1. It is preferable that the tools 19a and 19b are provided.

  Next, the rope with a support of the present invention provided in the tank container 17 shown in FIG. 1 will be described. FIG. 4 is a diagram showing the configuration of the rope with a support of the present invention provided in the tank container shown in FIG. 1, and FIG. 5 is a view of the support 19a shown in FIG. 4 as viewed from the right side.

  The rope with a support shown in FIG. 4 has a rope 18 provided with a tool 18a to which a safety belt hook can be attached and the whole length is adjusted, and the tank container 17 attached to each of both ends of the rope 18. It is comprised from the support tools 19a and 19b temporarily engaged by engaging with the hole of the support | pillar. As shown in FIG. 1, this rope with a support is provided with a tank 12 having a manhole 11 that can be opened and closed for allowing liquid or powder to be sent and received on the upper surface, and a front and rear end on both sides of the tank 12. A tank container 17 including a frame 15 including columns 14 a, 14 b, 14 c, and 14 d with holes 13 in the heads arranged upright at each end and a scaffold 16 disposed on the upper surface of the tank 12. It is used to increase the safety of work on the scaffold 16.

  As the rope 18, for example, natural fiber, synthetic fiber, or a wire formed by twisting or knitting a metal wire to form a rope shape or a belt shape can be used.

  A tool 18a for adjusting the entire length of the rope (hereinafter also referred to as a rope length adjusting tool) 18a is configured such that the rope is wound around the shaft 22b by swinging the handle 22a. The total length of the rope means the total length of the rope 18 and the rope length adjuster 18a. The rope length adjuster may be provided between both ends of the rope 18 as shown in FIG. 4, or may be provided between one end of the rope 18 and the support tool. .

  Each of the support tools 19a and 19b has a bowl-shaped main body 20 having a curved base 20a, and the size of the tank container column hole attached so as to intersect the vicinity of the base of the main body 20 It is preferable that it is comprised from the horizontal bar 21 of a bigger length. This is because the support having such a configuration can be easily manufactured by, for example, welding the horizontal bar 21 to the main body 20 obtained by bending a bar. Examples of the material for the support include, for example, metals such as iron and aluminum, and alloy compositions such as stainless steel.

  6 is a view showing a state in which the support 19b shown in FIG. 1 is temporarily fixed by engaging with the hole 13 of the support column 14b of the tank container 17. As shown in FIG. As shown in FIG. 6, the support 19b is temporarily fixed by engaging the hole of the support column 14b by passing the base 20a from the hole 13 on the upper surface of the support column 14b to the hole on the side surface. The horizontal bar 21 supports the main body so that a portion above the base 20a of the main body 20 is erected above the support column 14b, and the entire main body portion falls through the hole of the support column. To prevent.

  For example, a rope can be stretched over the tank container 17 shown in FIG. 1 as follows. First, the ends of each of the ropes 18 including the rope length adjusting tool 18a are connected to the pair of support tools 19a and 19b shown in FIG. Next, the rope with the support is carried on the tank, and each of the supports 19a and 19b is temporarily engaged with the holes 13 of the columns 14a and 14b shown in FIG. Then, the handle 22a of the rope length adjusting tool 18a is swung to wind the rope 18 around the shaft 22b, and the entire length of the rope is shortened to adjust the tension of the rope 18. In this way, the rope 18 can be stretched over the tank container 17 shown in FIG.

  FIG. 7 is a view showing another configuration example of the support used for the rope with the support of the present invention and a state in which the support 29a is inserted into the hole 13 of the column 14a of the tank container 17 of FIG. . The front side of the sheet of FIG. 7 is the rear side of the tank. FIG. 8 is a bottom view of the support tool 29a shown in FIG. In FIG. 8, the hole 13 of the support post 14a is indicated by a two-dot chain line.

  As shown in FIGS. 7 and 8, the support tool 29 a includes a main body 30 having a base 30 a with a tip formed in a pyramid shape, and a horizontal plate 31 provided around the base of the main body. It is configured.

  FIG. 9 is a view showing a state in which the support 29a shown in FIG. 7 is rotated 90 degrees clockwise as viewed from the top surface side of the main body 30. As shown in FIG. 9, the support tool 29a is temporarily fixed by engaging with the hole 13 of the support column 14a by the above rotation. In addition, in the bottom view of the support tool of FIG. 8, the arrangement | positioning of the base after the support tool 29a rotates to the direction which the arrow shows is shown with the dashed-dotted line.

  The horizontal plate 31 of the support is set to a size larger than the size of the hole 13 of the support column 14a, and the main body portion is arranged such that a portion above the base portion 30a of the main body portion 30 stands above the support column. And the whole main body portion is prevented from falling through the hole of the column.

  The hole in which the rope support is temporarily fixed is not limited to the use of the hole provided on the top surface of the column, and for example, a hole provided on the upper side of the column can be used.

  FIG. 10 is a front view showing a configuration example of the tank vehicle of the present invention, and FIG. 11 is a view of the scaffold 56 of the tank 52 shown in FIG. 10 as viewed obliquely from above.

  A tank car 57 of the present invention shown in FIGS. 10 and 11 is provided with a tank 52 having an openable / closable manhole 51 that allows liquid or powder to be sent and received on the upper surface, and a tank 52 that is long in the front-rear direction. A rope 58 to which a safety belt hook can be attached to a tank car including a scaffold 56 surrounded by a peripheral wall 53 standing upright around the peripheral wall 53 in a state where the ends of the rope 58 are spaced from each other in the front-rear direction. The structure is fixed and stretched.

  For example, when the liquid is accidentally spilled around the manhole when the liquid is fed from the manhole 51 on the upper surface of the tank 52, the peripheral wall 53 of the tank 52 moves along the side surface of the tank. It is provided to prevent it from flowing down. In the case of the tank 52 having such a peripheral wall 53, the rope 58 is stretched using the peripheral wall 53, and a hook of a safety belt is attached to the rope 58, so that the worker can enclose the tank surrounded by the peripheral wall 53. It is possible to work safely with the scaffold 56.

  As the rope 58 shown in FIG. 11, a rope formed by winding a metal wire is used. It is also preferable that the rope 58 is accommodated in a resin tube or covered with a resin. It is because generation | occurrence | production of the rust with a metal wire is prevented.

  The rope 58 is preferably provided with a tool (rope length adjusting tool) 58a for adjusting the entire length of the rope as shown in FIG. As the rope length adjuster 58a, a turnbuckle 58c in which hook bolts 58b are screwed into both ends is used. By turning this turnbuckle 58c, the entire length of the rope (the entire length of the rope and the rope length adjusting tool) can be adjusted. The rope may be stretched outside the peripheral wall 53.

  For example, a rope can be stretched around the peripheral wall 53 of the tank 52 shown in FIGS. 10 and 11 as follows. First, a pair of metal plates (not shown) to which the nuts 61 are welded are prepared, and each metal plate is welded to the inner surface of the peripheral wall 53. Next, an eyebolt 62 is screwed into each nut 61, a rope length adjuster 58 a and one end of the rope 58 are connected to one eyebolt 62, and the other end of this rope is connected via the mounting bracket 23. To the other eyebolt 62. Then, the turnbuckle 58c is turned to shorten the entire length of the rope to adjust the tension of the rope 18. In this way, the rope 58 can be stretched around the peripheral wall 53 of the tank 52 shown in FIGS.

  Further, when the tank 52 is provided with the peripheral wall 53 as described above, the vehicle height of the tank car 57 does not increase if the rope is stretched below the upper end of the peripheral wall. For this reason, the rope 58 may be stretched over the peripheral wall 53 even when the tank car 57 is traveling. Therefore, in the case of a tank having a peripheral wall, a beam member (for example, a metal bar member) may be stretched instead of the rope. It is also preferable that an auxiliary scaffold that can be used for an operator to walk or work on the tank is provided outside the scaffold 56 of the tank 52.

It is a front view which shows the structural example of the tank container of this invention, and the towing vehicle with the trailer which has loaded this tank container. It is a top view of the towing vehicle with the trailer which loaded the tank container of FIG. However, description of the rope 18 shown in FIG. 1, the supports 19 a and 19 b of the rope 18, and the worker 44 wearing the safety belt 43 is omitted. It is a right view of the towing vehicle with the trailer which loaded the tank container of FIG. However, description of the rope 18 shown in FIG. 1, the supports 19 a and 19 b of the rope 18, and the worker 44 wearing the safety belt 43 is omitted. FIG. 4 is a view showing a configuration of a rope with a support of the present invention provided in the tank container shown in FIG. It is the figure which looked at the support tool 19a shown in FIG. 4 from the right side. FIG. 2 is a diagram showing a state in which the support tool 19b shown in FIG. 1 is temporarily fixed by engaging with a hole 13 of a support column 14b of a tank container 17. It is a figure which shows another structural example of the support tool used for the rope with a support tool of this invention, and the state which inserted this support tool 29a in the hole 13 of the support | pillar 14a of the tank container 17 of FIG. FIG. 8 is a bottom view of the support 29a shown in FIG. FIG. 9 is a view showing a state in which the support 29a shown in FIG. 7 is rotated 90 degrees clockwise as viewed from the top surface side of the main body 30. It is a front view which shows the structural example of the tank vehicle of this invention. It is the figure which looked at the scaffold 56 of the tank 52 shown in FIG. 10 from diagonally upward.

Explanation of symbols

11 Manhole 12 Tank 13 Hole 14a, 14b, 14c, 14d Post 15 Frame 16 Scaffold 17 Tank Container 18 Rope 18a Rope Length Adjuster 19a, 19b Support 20 Main Body 20a Base 21 Horizontal Bar 22a Handle 22b Shaft 23 Mounting bracket 29a Supporting tool 30 Main body 30a Base 31 Horizontal plate 41 Trailer 42 Tractor 43 Safety belt 43a Hook 44 Worker 51 Manhole 52 Tank 53 Perimeter wall 56 Scaffold 57 Tank car 58 Rope 58a Rope length adjuster 58b Hook bolt 58c Turnbuckle 61 Nut 62 Eyebolt

Claims (8)

  A long tank in the front-rear direction provided with an openable and closable manhole on the top surface that allows liquid or powder to be sent and received, and a hole in the head that is erected on each of the front and rear ends of both sides of the tank In a tank container including a frame including a support having a support and a scaffold disposed on the upper surface of the tank, a rope to which a safety belt hook can be attached is provided, and each end of the rope is attached to one side of the tank. A tank container with improved work safety on a scaffold, characterized in that it is detachably stretched in the holes of each column arranged upright in the front-rear direction.   The tank container according to claim 1, wherein a support that is temporarily fixed by being engaged with a hole of each of the columns is attached to each end of the rope.   Each support tool is composed of a bowl-shaped main body portion having a curved base portion, and a horizontal bar attached to intersect the vicinity of the base portion of the main body portion and having a length larger than the size of the hole of the column. The tank container according to claim 2.   The tank container according to any one of claims 1 to 3, wherein the rope includes a tool for adjusting a length of the entire rope.   A long tank in the front-rear direction provided with an openable and closable manhole on the top surface that allows liquid or powder to be sent and received, and a hole in the head that is erected on each of the front and rear ends of both sides of the tank It is possible to attach a safety belt hook and to increase the overall length of the tank body, which includes a support frame including a support, and a tank container including a scaffold disposed on the upper surface of the tank. A rope with a supporting tool, comprising: a rope provided with a tool for adjusting the height; and a supporting tool that is attached to each end of the rope and that is temporarily fixed by engaging with the hole of the support column.   Each support tool is composed of a bowl-shaped main body portion having a curved base portion, and a horizontal bar attached to intersect the vicinity of the base portion of the main body portion and having a length larger than the size of the hole of the column. The rope with a support according to claim 5.   In a tanker vehicle including a tank that is long in the front-rear direction and has a manhole that can be opened and closed that allows liquid or powder to be transferred in and out, and a scaffold surrounded by a peripheral wall that stands around the manhole of the tank, A rope or beam material to which a safety belt hook can be attached is fixed and stretched to the peripheral wall with the ends of the rope or beam material spaced apart from each other in the front-rear direction. Tanker truck with improved safety in work.   The tank truck according to claim 7, wherein the rope includes a tool for adjusting a length of the entire rope.

Images