JP3867746B2 - Storage structure of fire pump in fire prevention water tank manhole - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention generally relates to a fire pump storage structure in a fire prevention water tank manhole, and more specifically, a fire pump can be smoothly taken out from a manhole in the event of a fire, and an existing fire prevention water tank The present invention relates to a storage structure for a fire pump in a fire prevention water tank manhole improved so that it can be easily installed in a manhole.
[0002]
[Prior art]
  In a densely populated residential area in an urban area, a fire-resistant water tank of a predetermined capacity is buried underground so as to communicate with the ground via a manhole. In the event of a fire, a portable fire pump is transported to the vicinity of the manhole, or a fire engine Is moved to the vicinity of the manhole, and fire extinguishing is carried out using the water stored in the fire prevention water tank by these portable fire pumps or fire engines.
  However, the movement of fire pumps and fire trucks takes time, and in the event of an earthquake or other disaster, it may take a long time to move portable fire humps or fire cars due to traffic congestion, or it may become impossible to move. Small fires can reach very large scale. In such a case, in order to enable initial fire extinguishing using the water stored in the fire prevention water tank, recently, as disclosed in, for example, Japanese Patent Laid-Open Nos. 8-158422 and 9-187527, A set of fire fighting pumps is stored in a fire prevention water tank manhole installed in the building so that the fire pump can be taken out from the manhole and used in the event of a fire.
[0003]
  The storage structure of the fire pump in the fire prevention water tank manhole described in JP-A-8-158422 has a partition wall (bottom plate) having a water absorption pipe insertion port at the center part attached to the lower part of the manhole and a water absorption pipe at the center part. A pump mounting table having an insertion port is installed on the partition wall so as to be movable up and down, and a fire pump having a water absorption pipe in the vertical direction including the engine and the pump body is mounted on the pump mounting table, and the water absorption pipe of the fire pump is connected to the pump mounting table. The lower end portion of the water absorption pipe is submerged in the fire prevention water tank through the partition wall and the water absorption pipe insertion port of the pump mounting table.
  Then, a locking groove is formed in the inner wall of the manhole in the circumferential direction, and a plurality of locking pieces formed on the peripheral edge of the pump mounting table are detachably locked to the locking groove, A plurality of compression springs are interposed between the partition walls, and when the fire pump is used, the locking portion of the pump mounting table is escaped from the locking groove, and the pump mounting table is moved to the upper part of the manhole by the compression spring. The fire pump is configured to be lifted up from the manhole.
[0004]
  The housing structure of the fire pump in the manhole described in the above-mentioned JP-A-9-187527 has an annular track on the collar projecting inward to the lower part of the manhole, and a rotating mechanism that rotates along this track. An inner cylinder is mounted on the rotating mechanism, a pair of left and right horizontal receiving plates are installed in the inner cylinder so as to be movable up and down, and a case containing a fire pump is mounted on the receiving plate. Inside the inner cylinder, a plurality of support bars are vertically attached to each fixing tool fixed on the upper part at a predetermined angular interval, a lifting spring is attached along each supporting bar, and the lower end of the lifting spring is attached to the lower end of the lifting cylinder. Fixed to each receiving plate, fixed to a pair of inclined guide rails to the inner wall of the inner cylinder, a plurality of wheels attached to the side of the case with the fire pump included along the guide rail, and a case with a fire pump Is taken out along the guide rail by the force of the lifting spring.
[0005]
[Problems to be solved by the invention]
  The fire pump storage structure disclosed in Japanese Patent Application Laid-Open No. 8-158422 has firstly been modified so that a partition wall (bottom plate) is installed in the manhole or a locking groove is formed in the inner wall of the manhole in the circumferential direction. It was necessary to change the design and could not be easily implemented for the existing fire prevention water tank manhole.
  Secondly, it is necessary that a water absorption pipe is provided vertically in the center of the bottom of the fire pump. However, since the water absorption pipe is installed sideways in the existing fire pump. In order to implement the storage structure, it is not possible to use an existing firefighting pump, a specially designed firefighting pump is required, coupled with the fact that it cannot be installed in an existing manhole as described above, There was a problem that the equipment cost was expensive.
  3rdly, since the partition was attached to the lower part of a manhole as mentioned above, the subject that the inspection in a fire prevention water tank became difficult occurred.
[0006]
  First, since the fire pump storage structure disclosed in Japanese Patent Laid-Open No. 9-187527 forms a flange that protrudes inwardly to the lower part of the manhole, it is necessary to drastically modify and change the design of the existing manhole (existing The manhole is a circular hole, and most of them are cylindrical precast molded products.) And could not be easily implemented for existing fireproof water tank manholes.
  Secondly, when the case with the fire pump is taken out from the middle cylinder in the manhole, the posture of the case with the fire pump is changed from the vertical state to the horizontal state. The fuel tank and other design must be changed, and the existing firefighting pump cannot be used as it is. Therefore, there has been a problem that the equipment cost becomes expensive.
[0007]
  The objective of this invention is providing the accommodation structure of the fire pump in the fire prevention water tank manhole which can be easily implemented with respect to the existing manhole, without changing the design of the existing fire prevention water tank manhole.
  Another object of the present invention is to provide a fire pump storage structure in a fire water tank manhole that can be easily inspected by a camera in the fire water tank.
  Still another object of the present invention is to provide a fire fighting pump storage structure in a fire prevention water tank manhole in which the posture of the fire fighting pump does not change from the storage state in the manhole when the fire fighting pump is taken out from the fire prevention water tank manhole and used. It is in.
  Still another object of the present invention is to allow the fire pump to be lifted and lowered with light and small force within a short time by the lifting base when the fire pump is taken out from the manhole and stored. The object is to provide a fire pump storage structure in a fire prevention water tank manhole that can be easily removed and mounted outside.
[0008]
[Means for Solving the Problems]
  The fire pump housing structure in the fire prevention water tank manhole according to the present invention is configured as follows in order to solve the above-described problems.
  That is, according to the storage structure of the fire pump in the fire prevention water tank manhole according to claim 1,
  At least a pair of vertical guide rails (2, 2) installed to face the inner wall (10) of the fire prevention water tank manhole (1) along the vertical direction;
  An elevating base (3) installed to elevate the vertical guide rails (2, 2) from a predetermined lower limit level to the upper end of the fire prevention water tank manhole (1),
  The fire pump (4) is housed in the manhole (1) with the fire pump (4) mounted on the lift base (3),
  The elevating base (3) is urged upward by at least a pair of constant tension spiral springs (5, 5) and has at least a pair of horizontal guide rails (30, 30) facing upward. ,
  The total tension of the constant tension spiral springs (5, 5), the total load received by the lifting base (3) and the weight of the lifting base (3) itself are substantially equal,
  The fire pump (4) is mounted on the horizontal guide rail (30, 30) via a carriage (40) attached to the lower part of the fire pump (4).
  A receiving member (31, 31) is attached to one end side of the pair of horizontal guide rails (30, 30) in a protruding manner on side portions that are not opposed to each other.
  One end side of the carriage (40) is placed on the receiving members (31, 31) via legs (41) attached to the carriage (40),
  The other end of the carriage (40) is prevented from rising to the other end of the horizontal guide rail (30, 30) via a pair of wheels (42) attached to the carriage (40). Placed in
  The carriage (40) is characterized in that movement and levitation on the horizontal guide rails (30, 30) are suppressed by a lock fitting (6).
[0009]
  The storage structure of the fire pump in the fire prevention water tank manhole according to claim 2 is the storage structure of the fire pump in the fire prevention water tank manhole of claim 1,At least one end portion of the pair of horizontal guide rails (30, 30) has the elevating base (3) raised to the upper end portion of the manhole (1) when each of the horizontal guide rails (30, 30). Foldable road plates (32, 32) are attached to the manhole (1) from the end to the opening edge of the manhole (1).It is characterized by that.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, a preferred embodiment of a storage structure of a fire pump in a fire prevention water tank manhole according to the present invention will be described with reference to the drawings.
  FIG. 1 is a partially cutaway sectional view of a storage structure of a fire pump in a fire prevention water tank manhole according to an embodiment of the present invention, FIG. 2 is an enlarged partial half sectional view showing a lower structure of the storage structure of the embodiment of FIG. 1 is a partially enlarged sectional view showing the upper structure of the storage structure of the embodiment of FIG. 1, FIG. 4 is a partially sectional view taken along arrow AA in FIG. 2, and FIG. 5 is a diagram showing the lifting base from the state of FIG. FIG. 6 is a partial sectional view taken along the arrow BB in FIG. 5, FIG. 7 is a partial sectional view taken along the arrow CC in FIG. 5, and FIG. It is the elements on larger scale which show the state which raised the base from the state of Drawing 1 to the upper part of a manhole, and started to move a cart in the horizontal direction.
[0011]
  As shown in FIG. 1, a pair of vertical guide rails are provided on an inner wall 10 of a fire prevention water tank manhole 1 (hereinafter also simply referred to as “manhole”) provided in a fire prevention water tank (not shown) so as to face each other in the vertical direction. The vertical guide rails 2 and 2 are fixed to the vertical guide rails 2 and 2 so as to move up and down from a predetermined lower limit level (for example, a level about 700 mm below the upper end of the manhole 1) to the upper end of the manhole 1. A fire pump 4 including a pump body 4a, an engine unit 4b, a fuel tank 4c, a water absorption hose connection port 4d and a water discharge hose connection port 4e, etc., which are screwed with a lid (not shown) is mounted on the elevating base 3. Has been.
  That is, the fire pump 4 is housed in the manhole 1 while being mounted on the lift base 3.
[0012]
  In the storage structure of this embodiment, each vertical guide rail 2, 2 is a metal channel member as shown in FIG. 4, and these vertical guide rails 2, 2 are relative to the inner wall 10 of the manhole 1. The lower end portions thereof are welded and connected to each other by a connecting member 20.
  In this embodiment, as shown in FIGS. 2 and 4, each vertical guide rail 2, 2 has a plurality of (four in this embodiment) bolt-shaped push screws 21 at the lower end portion thereof. The manhole 1 is fixed in a state of being stretched to the opposite part of the inner wall 10. Reference numeral 23 in the figure is a fastening nut welded to the bottom of each of the vertical guide rails 2 and 2, and 24 is a lock nut screwed onto each screw 21.
  Therefore, the vertical guide rails 2 and 2 can be easily detached from the inner wall 10 of the manhole 1 by loosening the lock nuts 24 and loosening the push screws 21.
[0013]
  In this embodiment, the elevating base 3 is sandwiched between the short channel-like slide bodies 33 and 33 that slide and slide in a state where a part of the elevating base 3 covers the corresponding vertical guide rail 2 and the corresponding vertical guide rail 2. A pair of horizontal guide rails 30, 30 connected to both sides of the upper end of each sliding body 33, 33 are provided, and the lower end portion of each sliding body 33, 33 is opposed to the corresponding vertical guide rail 2. An anti-swaying roller 3a is attached so as to contact the surface.
  The steadying roller 3a can be implemented even if it is replaced with a non-rotating pin, and the steadying roller 3a or the pin is pressed against the corresponding vertical guide rail 2 by a spring (not shown). It is possible to have a structure in which the power is constantly biased.
  The pair of horizontal guide rails 30 and 30 are configured by metal angle-shaped members having an L-shaped cross section facing each other in parallel as shown in FIGS. 6 and 7, and are short square pipes at the center in the length direction. Are connected (welded) to each other by a connecting piece 34 made of
  A slide bar 3b is fixed to the connecting piece 34 so as to extend vertically downward. The slide bar 3b is connected to the guide tube 22 fixed to the connecting member 20 of the vertical guide rails 2 and 2 in a penetrating manner. Inserted to slide.
  The receiving members 31 and 31 are welded so as to project horizontally to the non-opposing side portions at positions deviated from the central portion of the horizontal guide rails 30 and 30 toward one end.
[0014]
  Two reels 50 each having a constant tension (close contact) spiral spring 5 wound thereon are attached to the channel-like interiors of the sliding bodies 33 of the elevating base 3 at positions away from the corresponding vertical guide rails 2. The outer ends of the constant tension spiral springs 5, 5 are fixed to the upper ends of the vertical guide rails 2.
  In this embodiment, as shown in FIG. 3, a slit 25 having a long hole shape is formed in the vertical direction at the upper end portion of each vertical guide rail 2, and to the upper end portion of each vertical guide rail 2 in a state of closing the slit 25. Each of the mounting plates 51 is attached in the hooked state, and the outer end portion of the constant tension spiral spring 5 is screwed to the mounting plate 51 directly or via the adjusting member 52.
  Note that the upper end of the constant tension spiral spring 5 may be fixed to the upper portion of the inner wall 10 of the manhole 1 in the vicinity of each vertical guide rail 2 instead of the upper end of each vertical guide rail 2 as described above. In addition, the reel 50 is attached to the upper end of the vertical guide rail 2 or the upper part of the inner wall 10 of the manhole 1 and the other end of the constant tension spiral spring 5 is fixed to the sliding body 33 in the opposite direction. can do.
[0015]
  In the fire pump housing structure of this embodiment, a carriage 40 is attached to the lower part of the fire pump 4, and the fire pump 4 is mounted on the horizontal guide rails 30, 30 via the carriage 40. .
  The carriage 40 has a comparatively wide mounting base 43 with a reverse channel shape (downward channel shape) parallel to the horizontal guide rails 30, 30, and a uniform height at each of the four lower portions of the mounting base 43. A channel-shaped chassis 44 which is opposed to the vibration rubber 45 and is slightly narrower and slightly longer than the mounting base 43, and is fixed to the lower surface of one end of the chassis 44 so as to correspond to the receiving member 31. Leg mounting member 46.
  Each of the anti-vibration rubbers 45 is fixed to the mounting base 43 and the chassis 44 with nuts. As shown in FIG. 1, the firefighting pump 4 is bolted and nut-fastened to the lower mounting plate 4f of the firefighting pump 4 at each mounting hole 47 (FIG. 5) formed in the mounting base 43. It is fixed to.
[0016]
  One end side of the carriage 40 is placed on the receiving members 31 and 31 of the elevating base 3 via respective rubber legs 41 attached to the lower part of the leg attaching member 46, and the other end side thereof is the chassis. It is mounted on the other end portion of the horizontal guide rails 30 and 30 via a pair of wheels 42 and 42 attached to the lower part of 44 so as to correspond to the horizontal guide rails 30 and 30. In this embodiment, the horizontal guide rails 30 and 30 are further provided with concave receiving portions 30a and 30a (FIG. 8) by notches at positions facing the bottom of the leg mounting member 46. The horizontal movement of the carriage 40 is prevented by fitting the leg mounting member 46 to the receiving portions 30a, 30a.
  The carriage 40 has a hook-shaped member 62 fixed to both end portions of the leg mounting member 46 and a ring-shaped spring 63 hooked on the hook-shaped member 62 at the upper end, and is fixed to the receiving member 31. The lock metal fitting 6 including the rotation lever 61 prevents the floating on the guide rails 30 and 30, and the wheels 42 and 42 are respectively fixed to the side portions of the guide rails 30 and 30. As a result, ascent is prevented.
  A gate-shaped handle 48 is attached to the leg attachment member 46 fixed to the end of the chassis 44. When the lock fitting 6 is removed, the leg attachment member 46 of the carriage 40 is held with the handle 48. The end on the side can be lifted from the horizontal guide rails 30 and 30.
[0017]
  In the fire pump housing structure of this embodiment, the pair of horizontal guide rails 30, 30 are raised to the upper end of the manhole 1 at the end opposite to the portion where the wheel 42 is located. Occasionally, tiltable road plates 32 and 32 are attached to the opening edges of the manhole 1 from the end portions of the horizontal guide rails 30 and 30, respectively.
[0018]
  A tray-like hose storage container 7 is installed above the manhole 1 with a flange 71 at the upper peripheral edge supported on the upper ends of the vertical guide rails 2, 2. The water discharge hose which has not been stored is stored in the hose storage container 7.
  The hose storage container 7 is covered with an inner lid 70, which guides a locking plate 73 fixed to the upper end of one vertical guide rail 2 to a slit 72 formed on the outer peripheral edge thereof. The lock plate 73 can be locked through the hook 75 of the lock 74 in the hole of the lock plate 73. By locking in this way, the fire pump 4 and its accessories are prevented from being stolen.
  Reference numeral 76 in FIG. 1 denotes a handle of the inner lid 70.
[0019]
  In the storage structure of this embodiment, a hose guide ring (a ring as viewed from above) 20a is fixed to the side portion of the connecting member 20 that connects the vertical guide rails 2 to each other. In the ring 20a, a water absorption hose 8 in which a suction port at the lower end is submerged in water stored in a fire prevention water tank (not shown) is guided in a suspended manner and slidably.
  At the upper end of the water absorption hose 8, a connection fitting 80 for connecting to the water absorption hose connection port 4d of the fire fighting pump 4 is attached by a stopper 81 that also serves as a hose band. The water absorption hose 8 is a stopper that also serves as the hose band. The hose guide ring 20a is suspended by the action of 81.
  On the other hand, a detachable fitting 83 is attached to the connecting piece 34 of the elevating base 3 downward and in a penetrating manner, and one end of a lifting tool 82 made of a chain or a rope is connected to the detachable fitting 83 and the lifting tool 82 is connected thereto. By connecting the other end to a stopper 81 which also serves as the hose band, the elevating base 3 and the water absorption hose 8 are linked.
[0020]
  In this embodiment, the load on the fire pump 4 side is about 40 kg, and the force obtained by adding the tensions of the constant tension spiral springs 5 is designed to be substantially balanced with the load on the fire pump 4 side.
  In the fire pump storage structure in the manhole according to this embodiment, the unillustrated lid of the manhole is opened, the lock 74 is unlocked, the hose storage container 7 is taken out from the manhole 1, and the handle 4g attached to the fire pump 4 is used. When the fire pump 4 is lifted lightly, the fire pump 4, the carriage 40 and the lift base 3 are moved along the vertical guide rails 2 and 2 on both sides as shown in FIG. Ascend to the top of manhole 1.
  In this embodiment, the total tension of the all-constant tension spiral spring 5, the weight of the fire pump 4, that is, the weight of the fire pump 4, the carriage 40 and the lifting base 3, and the sliding bodies 33 and the vertical guide rails 2, 2. The total friction is balanced, and the fire pump 4 is designed to stop at the stop position when the lift is stopped while the fire pump 4 is being lifted. Therefore, when the fire pump 4, the carriage 40, and the lifting base 3 are raised to the upper part in the manhole 1, the lifting base 3 stops at that position and does not descend by its own weight.
  After raising the elevating base 3 to the upper part in the manhole 1, the lock fitting 6 is released, and the end of the carriage 40 and the fire pump 4 is held from the end of the horizontal guide rails 30 and 30 with the handle 48 as shown in FIG. The road plate 32 is tilted horizontally as shown in the figure, the horizontal guide rails 30 and 30 and the road surface of the upper outer periphery of the manhole 1 are made continuous, and the carriage 40 is moved leftward so as to guide the cart 40 out of the manhole 1. Move horizontally and place it in place.
  In this state, the water suction hose 8 is pulled up by pulling the lifting tool 82, the water suction hose 8 is connected to the water suction hose connection port 4d by the connection fitting 80, and a water discharge hose (not shown) is taken out from the hose storage container 7. If this is connected to the water discharge hose connection port 4e, the fire pump 4 can be used.
  When the fire pump 4 is housed in the manhole again, the water discharge hose and the water absorption hose 8 are removed from the connection ports 4e and 4d, the carriage 40 is moved horizontally, and the horizontal guide rails 30 and 30 are moved from the wheel 42 side. Place on the top, lock the carriage 40 and the horizontal guide rails 30, 30 with the lock fitting 6, and hold down the handle 4 g to push down the fire pump 4 until the lower end of each sliding body 33 hits the upper end of the connecting member 20. The fire pump 4, the carriage 40 and the lift base 3 may be lowered.
[0021]
  The fire pump storage structure in the fire prevention water tank manhole of the above embodiment is firstly along at least a pair of vertical guide rails 2 and 2 which are installed so as to face the inner wall 10 of the manhole 1 along the vertical direction. Since the elevating base 3 on which the fire pump 4 is mounted is configured to move up and down, it can be implemented without changing the design or modifying the existing fire prevention water tank manhole.
  Secondly, the fire pump 4 is lifted from the manhole 1 and removed, and the elevating base 3 is pulled upward, so that the inside of the fire prevention water tank below the manhole 1 can be inspected without any trouble. Even when the lower ends of the vertical guide rails 2 and 2 are connected by the connecting member 20 as described above, the inside can be inspected by inserting a camera from the space on both sides of the connecting member 20, and if necessary, it can be separately provided. The water absorption hose of the fire fighting pump and the strainer of the water absorption hose can be moved in and out.
  Third, the elevating base 3 is biased in the upward direction by at least one pair of constant tension spiral springs 5 and 5 wound on the reel 50 at one end side, and therefore uses the tension of these constant tension spiral springs 5. Then, the fire pump 4 can be lifted up and taken out, or it can be stored again.
  Fourth, the lower end portions of the vertical guide rails 2 and 2 are connected to each other by a connecting member 20, and the lower end portions of the vertical guide rails 2 and 2 are formed on the inner wall 10 of the manhole 1 by a plurality of push screws 21. The vertical guide rails 2 and 2 can be easily detached from the inner wall of the manhole 1 because they are fixed to the opposing portions in a stretched state.
  Fifth, a slide bar 3b extending in a vertical direction is fixed to the lower portion of the elevating base 3 at a position corresponding to the central portion of the manhole 1, and the connecting member 20 is moved to a position corresponding to the slide bar 3b. Since the guide tube 22 along the vertical direction is fixed and the slide bar 3b is slidably inserted into the guide tube 22, the lifting operation of the lifting base 3 is more stable.
  Sixth, since both ends of the elevating base 3 are attached with pins or rollers 3a for touching the corresponding vertical guide rails 2, the lateral elevating of the elevating base 3 is prevented. The raising / lowering operation can be further stabilized.
  Seventh, the elevating base 3 is provided with at least a pair of horizontal guide rails 30, 30 facing substantially upward, and the fire pump 4 is connected to the horizontal via a carriage 40 attached to the lower part of the fire pump 4. Since it is mounted on the guide rails 30 and 30, after the fire pump 4 is lifted from the manhole 1, it can be used stably without moving it horizontally and changing its stowed posture.
  Eighth, since the lock fitting 6 is configured to suppress the movement of the carriage 40 on the horizontal guide rails 30, 30, the fire pump 4 can be prevented from moving or leaving in the event of an earthquake, The fire pump 4 can be lifted and lowered stably together with the lifting base 3.
  Ninth, receiving members 31, 31 are attached to one end side of the pair of horizontal guide rails 30, 30 in a protruding manner to side portions that are not opposed to each other, and one end side of the carriage 40 is attached to the carriage 40. The other end side of the carriage 40 is placed on the receiving members 31 and 31 via a leg 41 and the other end of the horizontal guide rails 30 and 30 via a pair of wheels 42 attached to the carriage 40. Since the fire pump 4 is more stable in the storage state, it can be easily moved in the horizontal direction by lifting one end of the carriage 40. .
  Tenth, at least one end of the pair of horizontal guide rails 30, 30 has the manhole 1 extending from the end of each horizontal guide rail 30, 30 when the elevating base 3 is raised to the upper end of the manhole 1. Since the up-and-down free road plates 32 and 32 are attached to the opening edge, the carriage 40 raised to the upper part of the manhole 1 can be smoothly moved in the horizontal direction.
  Eleventh, since the water absorption hose 8 of the fire pump 4 is slidably guided and stored in the hose guide ring 20a, a commercially available fire pump can be used as it is without changing the design of the fire pump 4. can do. Moreover, since the heavy water absorption hose 8 is suspended by the hose guide ring 20a of the connection member 20 which is a member fixed in the manhole 1, the weight of the whole raising / lowering part can be reduced.
  12thly, since the hose storage container 7 is covered with an inner lid 70 that can be locked to the upper end of the storage container 7 or the vertical guide rail 2, the fire pump 4 and its accessories are prevented from being stolen. can do.
  13thly, since the anti-vibration rubber 45 is attached to the cart 40 and the rubber leg 41 is provided, the movement of the fire pump can be prevented during the operation of the fire pump.
[0022]
  Other embodiments
  In the embodiment, the hose storage container 7 is installed in the upper space in the manhole 1, the water discharge hose is stored in the hose storage container 7, and the water absorption hose 8 is suspended from the hose guide ring 20 a of the connecting member 20. Although configured to be held, each hose may be mounted on the lift base 3 in a state of being connected to the connection ports 4d and 4e of the fire pump 4.
  Further, the water absorption hose 8 can be implemented even if configured to be housed in the hose storage container 7 together with the water discharge hose.
  The cart 40 can be configured to slide along the horizontal guide rails 30, 30 instead of the configuration as described above.
[0023]
【The invention's effect】
  According to the storage structure of the fire pump in the fire prevention water tank manhole according to the first aspect of the invention, along the at least one pair of vertical guide rails 2 and 2 installed so as to face the inner wall 10 of the manhole 1 along the vertical direction. In addition, since the lifting base 3 on which the fire pump 4 is mounted can be moved up and down, it can be installed without changing or remodeling the manhole of the existing fire prevention water tank. .
  With the fire pump 4 pulled up from the manhole 1, the inside of the fire prevention water tank below the manhole 1 can be inspected.
  The elevating base 3 is urged in the upward direction by at least a pair of constant tension spiral springs 5 and 5, so that it is possible to increase the ascending / descending amount of the ascending / descending stroke and to obtain a stable and constant tension. it can.
Since the sum of the tensions of the constant tension spiral springs 5 and 5 and the sum of the total load received by the lifting base 3 and the weight of the lifting base 3 itself are substantially equal, the fire pump 4 can be lifted slightly and taken out. In addition, when the lifting and lowering base 3 on which the fire fighting pump 4 is mounted is stopped during the lifting, the lifting and lowering base 3 stops at the stop position and does not descend by its own weight.
  The elevating base 3 is provided with at least a pair of horizontal guide rails 30, 30 facing substantially upward, and the fire pump 4 is connected to the horizontal guide rail 30, via a carriage 40 fixed to the lower part of the fire pump 4. Since the fire pump 4 is lifted from the manhole 1, it can be moved horizontally and can be used stably without changing the posture of the housed state.
  Since the lock fitting 6 is configured to suppress the movement and levitation of the carriage 40 on the horizontal guide rails 30, 30, the fire pump 4 can be prevented from moving and leaving in the event of an earthquake and the like, and the fire pump 4 can be lifted and lowered stably together with the lifting base 3.
  In addition, receiving members 31 and 31 are attached to one end side of the pair of horizontal guide rails 30 and 30 so as to project to side portions that are not opposed to each other, and one end side of the carriage 40 is a leg attached to the carriage 40. The other end side of the carriage 40 is placed on the receiving members 31 and 31 via 41 and the other end of the horizontal guide rails 30 and 30 via a pair of wheels 42 attached to the carriage 40. Since they are placed in a state where they are prevented from rising, the fire pump 4 is more stable in the housed state, and one end of the carriage 40 can be lifted and easily moved in the horizontal direction.
[0024]
  According to the storage structure of the fire pump in the fire prevention water tank manhole according to the invention of claim 2,At least one end of the pair of horizontal guide rails 30, 30 is located at the end of the horizontal guide rails 30, 30 from the end of each horizontal guide rail 30, 30 to the opening edge of the manhole 1 when the elevating base 3 rises to the upper end of the manhole 1. Since the freely rising and falling road plates 32, 32 are attached, the cart 40 raised to the upper part of the manhole 1 can be smoothly moved in the horizontal direction.
[Brief description of the drawings]
FIG. 1 is a partially cutaway sectional view of a structure for housing a fire pump in a fire prevention water tank manhole according to an embodiment of the present invention.
FIG. 2 is an enlarged partial cutaway sectional view showing a lower structure of the storage structure of the embodiment of FIG. 1;
FIG. 3 is a partially enlarged cross-sectional view showing an upper structure of the storage structure of the embodiment of FIG.
4 is a partial cross-sectional view taken along arrow AA in FIG. 2. FIG.
FIG. 5 is a partial plan view of a state where the elevating base is raised from the state of FIG. 1 to the upper part of the manhole and the fire pump is omitted.
6 is a partial cross-sectional view taken along arrow BB in FIG.
7 is a partial cross-sectional view taken along arrow CC in FIG.
8 is a partial enlarged cross-sectional view showing a state in which the movable base is raised from the state of FIG. 1 to the upper part of the manhole and the carriage is started to move in the horizontal direction.
[Explanation of symbols]
1 fire prevention water tank manhole
10 Inner wall of manhole
2 Vertical guide rail
20 connecting members
20a Water absorption hose guide ring
21 Press screw
22 Guide tube
23 Tightening nut
24 Lock nut
25 slits
3 Lifting base
3a Stabilizing roller or pin
3b Slide bar
30 Horizontal guide rail
30a receiving part
31 receiving member
32 Road board
33 Sliding body
34 Connecting pieces
4 Firefighting pump
4a Pump body
4b Engine part
4c Fuel tank
4d Water absorption hose connection port
4e Water discharge hose connection port
4f Mounting plate
4g handle
40 carts
41 legs
42 wheels
43 Mounting base
44 Chassis
45 Anti-vibration rubber
46 Leg mounting member
48 Handle
5 Constant tension spiral spring
50 reel
51 Mounting plate
52 Adjustment member
6 Lock bracket
60 Levitation prevention plate
61 Rotating lever
62 Saddle-shaped member
63 Ring-shaped spring
7 Hose storage container
70 Inner lid
71
72 slits
73 Locking plate
74 tablets
75 hook
76 Handle
8 Water absorption hose
80 Connecting bracket
81 Stopper that also serves as a hose band
82 Lifting tool
83 Detachable bracket

Claims (2)

At least a pair of vertical guide rails (2, 2) installed to face the inner wall (10) of the fire prevention water tank manhole (1) along the vertical direction;
An elevating base (3) installed to elevate the vertical guide rails (2, 2) from a predetermined lower limit level to the upper end of the fire prevention water tank manhole (1),
The fire pump (4) is housed in the manhole (1) with the fire pump (4) mounted on the lift base (3),
The elevating base (3) is urged upward by at least a pair of constant tension spiral springs (5, 5) and has at least a pair of horizontal guide rails (30, 30) facing upward. ,
The total tension of the constant tension spiral springs (5, 5), the total load received by the lifting base (3) and the weight of the lifting base (3) itself are substantially equal,
The fire pump (4) is mounted on the horizontal guide rail (30, 30) via a carriage (40) attached to the lower part of the fire pump (4).
A receiving member (31, 31) is attached to one end side of the pair of horizontal guide rails (30, 30) in a protruding manner on side portions that are not opposed to each other.
One end side of the carriage (40) is placed on the receiving members (31, 31) via legs (41) attached to the carriage (40),
The other end of the carriage (40) is prevented from rising to the other end of the horizontal guide rail (30, 30) via a pair of wheels (42) attached to the carriage (40). Placed in
The carriage (40) is characterized in that movement and levitation on the horizontal guide rails (30, 30) are suppressed by a lock fitting (6).
Storage structure of fire pumps in fire prevention water tank manholes. At least one end portion of the pair of horizontal guide rails (30, 30) is provided with each of the horizontal guide rails (30, 30) when the elevating base (3) rises to the upper end portion of the manhole (1). The structure for storing the fire pump in the fire prevention water tank manhole according to claim 1, wherein a tiltable road plate (32, 32) is attached to the opening edge of the manhole (1) from an end portion .

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