JP2002036939A - Discharge device of hose car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure to releasing of fastening of a hose car irrespective of the height of the hose car deck from the ground. SOLUTION: An ascent and descent device 3 on the hose car deck is equipped with a respective section material 13 for accommodation of a wheel axle 11 of hose car 9 on the hose car deck 8 ascending and descending between the ground and the vehicle's main deck 2, a fastening section material 20 with freedom in the movement for fastening the wheel axle 11 of the hose car 9 to close an opening 18 of the above receptive section material 13 and a touching ground section material 32 projected downward from the hose car deck 8 which is movable upward and downward. The fastening section material 20 and the touching ground section material 32 are connected by wire and the fastening section material 20 can be retreated by making the touching ground section material 32 touch on the ground with descent of the hose car deck 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hose car loading / unloading device for loading and unloading a hose car equipped with a fire hose car.

[0002]

2. Description of the Related Art In general, a hose car lashing device provided on a hose car loading / unloading device automatically lashes a hose car on a loading tray at a position where the loading tray is lowered to perform a quick fire extinguishing operation. It is necessary to cancel. As a specific example, the hose car tying device disclosed in Japanese Utility Model Publication No. Hei 6-3634 has a receiving member for receiving the axle of the hose car on a loading tray, and the rear opening of the receiving member is vertically extended. The opening is opened and closed by a moving lock member, and the opening is closed by constantly urging the lock member upward with a spring. One end of a wire is connected to a lower end of the lock member, and an intermediate portion of the wire is disposed along a guide member of a loading tray elevating device fixed to a loading tray upper surface and a vehicle body side, and is connected to the other end of the wire. The provided wire end comes into contact with a stop member fixed to the guide member.

When the receiving stand is at the highest position, the axle of the hose car received by the receiving member closes the opening by holding the lock member in the forward position by the spring force, thereby closing the rear of the hose car. In this state, the vehicle is allowed to travel to the destination. Also, when the loading tray descends and reaches just before the lowermost position, the distance between the wire of the lock member and the stop member changes, and the wire end abuts the stop member, thereby moving the lock member in the closed position downward. It retracts to open the opening and automatically unlocks the hose car.

[0004]

By the way, in a vehicle having the above-mentioned hose car loading / unloading device, when the leaf spring is bent due to the weight of the load mounted on the loading platform, or when the air pressure of the wheels is reduced, the ground level of the loading platform is reduced. Height may be low. In this case, when the hose car is lowered to the ground, the stop member is fixed to the vehicle body side in the above-described structure. There was a problem that lashing could not be released.

Further, in the above-mentioned structure, the vehicle travels with the load receiving platform raised to the highest position. Therefore, if a hydraulic cylinder or the like for lifting and lowering the loading platform causes oil leakage during traveling, the load receiving platform is raised. There is a problem that the hose car is lowered and damaged. Therefore, the first and second aspects of the present invention provide a hose car loading / unloading device capable of securely securing and releasing the securing of the hose car regardless of the height of the ground of the loading platform. According to a third aspect of the present invention, there is provided a hose car loading / unloading device which prevents a load receiving table from descending from a highest position during traveling to prevent damage to the hose car.

[0006]

According to claim 1 of the present invention,
A loading / unloading device for lifting / lowering a loading / unloading platform for loading / unloading a hose car at the rear of the loading / unloading platform between a lowermost position where the loading platform is grounded and a highest position where the loading platform is substantially flush with the loading platform, A hose car securing device for securing the axle of the hose car, wherein the hose car securing device closes an opening of the receiving member provided on the loading stand for receiving the axle of the hose car. A securing member provided to be able to move forward and backward between a securing position and a securing release position for opening the opening, biasing means for constantly biasing the securing member toward the securing position, And an automatic lash release device that moves the lashing member to the lashing release position side against the biasing means in contact with the ground when the loading tray descends. is there.

[0007] Thus, the hose car can be securely released irrespective of the height of the ground of the loading platform.
According to claim 2, the automatic lash release device has a ground member provided with a lower end protruding below the loading table so as to be vertically movable on the loading table, and one end connected to the lashing member side and the other end connected. And a wire connected to the grounding member side, wherein the grounding member abuts on the ground when the load receiving platform is lowered to move the securing member together with the wire to the securing release position side. Things.

[0008] Thus, the grounding member can reliably contact the ground, and the securing of the hose car can be released more reliably. According to a third aspect of the present invention, there is provided a loading / unloading device for lifting / lowering a loading / unloading platform for loading / unloading the hose car at a rear portion between a lowest position where the loading platform is grounded and a highest position where the loading surface is substantially the same as the loading surface. In the hose car loading and unloading device, at the rear of the loading platform, the engaged member provided on the loading platform side is engaged with the engaging member provided on the loading platform so as to be able to protrude and retreat, so that the loading platform is lowered at the highest position. A fall prevention device is provided. This makes it possible to surely prevent the hose car from being damaged due to the fall of the load receiving table while the vehicle is running.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a rear part of the fire truck 1. At the rear part of the bed 2 of the fire truck 1, a loading tray lifting device 3 is provided in a packing box 4. The loading tray lifting device 3 includes a pair of left and right guide posts 6 provided at the rear end of the chassis frame 5, a slide column 7 that moves up and down in the guide columns 6 by a hydraulic cylinder (not shown), and a slide column 7. A lowermost position at which the loading column 8 is substantially at the same height as the loading table 2 as shown in FIG. 1 by raising and lowering the slide column 7 with the hydraulic cylinder. And the lowermost position that is grounded on the ground as shown in FIG. 2. A four-wheeled hose car 9 is mounted on the loading stand 8, and a water discharge hose (not shown) is housed inside the hose car 9 in a wound state.

A hose car securing device 12 for securing the axle 11 of the rear wheel 10 of the hose car 9 is provided on the loading tray 8. Hereinafter, the hose car lashing device 12 will be described. In FIGS. 3 to 6, receiving members 13 for receiving the axles 11 of the hose cars 9 are provided on both right and left sides of the receiving tray 8. It is supported by a member 14. The receiving member 13 has an upper guide plate 16 and a lower guide plate 17 fixed to the side plate 15 so as to be orthogonal to the side plate 15, respectively.
The front and rear ends of the opening 1 are refracted in a divergent shape in the vertical direction.
8F, 18R, and axle 11 of hose car 9
It is designed to guide between the lower guide plates 16 and 17.

Guide cylinders 19F and 19R are fixed to the front and rear of the lower guide plate 17 in a hanging manner.
19R, the securing members 20F and 20R are inserted into the respective openings 18
F and 18R are provided to be able to move up and down so as to be able to move forward and backward. The securing member 20F is in the raised position (the securing position) in FIG.
The upper end thereof penetrates the guide hole 21F of the upper guide plate 16 to close the opening 18F, thereby restricting the forward movement of the axle 11, and the opening 18F at the lowered position (latch release position) in FIG. To allow the axle 11 to move forward. The securing member 20R closes the opening 18R by penetrating the guide hole 21R of the upper guide plate 16 at the ascending position (the securing position) in FIG. 3 to regulate the rearward movement of the axle 11, The opening 18R is opened at the lowered position (unlocking position) in FIG. 9 to allow the axle 11 to move backward.

The operation plate 23 is attached to the lower ends of the securing members 20F and 20R via mounting members 22F and 22R, respectively.
F, 23R are fixed, and the operation plates 23F, 23R
Springs 24F, 24F
The securing members 20F and 20R are constantly urged upward with R interposed therebetween. On the right side (the upper side in FIG. 6) of the front end of the loading tray 8, there is provided a manual lash release device 25 for releasing the forward movement restriction of the hose car 9 by the lashing member 20 </ b> F by manual operation. On the left side (lower side in FIG. 6), the hose car 9 by the securing member 20R is moved by the lowering operation of the receiving tray 8.
Lashing release device 2 that automatically releases rearward movement restriction
6 is provided.

As shown in FIG. 10, the manual lash release device 25 is provided with an operation lever 28 swingably provided on an inner surface of a support plate 27 erected at the front end of the loading tray 8.
The swing arm 29 fixed to the rotation shaft of the base is connected to the other ends of the wires 30, 30 having one ends connected to the left and right operation plates 23F, 23F, respectively.
10 is pivoted in the counterclockwise direction in FIG. 10, whereby the wire 30 is pulled backward via the pivot arm 29, and the securing member 20F together with the operation plate 23F resists the urging force of the spring 24F to the lowered position. It is designed to move.

As shown in FIG. 3, the automatic lash release device 26 is provided with a grounding member 32 projecting below the load receiving table 8 in a lower guide tube 31 fixed to the load receiving table 8 so as to be able to move up and down. A regulating plate 33 fixed to the upper end of the ground member 32
A pair of left and right upper guide cylinders 34, 34 are fixed to the upper surface of the upper surface of the upper case. A sliding plate 35 slidably provided in each of the upper guide cylinders 34, 34 is vertically operated. The other ends of the wires 36, 36 connected to the plates 23R, 23R are respectively connected. A spring 37 is interposed between the sliding plate 35 and the regulating plate 33, and the ground member 32
Is urged downward by the spring 37. Incidentally, the urging force of the spring 37 is set to be larger than the urging force of the spring 24R.

As a result, the lowering of the loading table 8 causes
When the lower end of 2 comes into contact with the ground, the wire 36 is pushed upward together with the grounding member 32, and the securing member 20R moves down together with the operation plate 23R against the urging force of the spring 24R, and as shown in FIG. When the lowering member 8 is lowered to the position immediately before the lowermost position, the securing member 20R moves to the lowering position.

At this time, since the ground height of the loading tray 8 at the position immediately before touchdown is sufficiently low, even if the hose car 9 moves from the loading tray 8 to the ground due to the release of the lashing, the hose car 9 does not fall down. Has become. Reference numeral 38 denotes a manual lash release device provided on the left side of the leading end of the load receiving table 8, which releases the lashing member 20R by manual operation. The manual lash release device 38 is provided with an operation lever 40 swingably provided on an inner surface of a support plate 39 erected at the front end of the load receiving table 8, and a swing fixed to a rotation shaft of the base of the operation lever 40. The arm 41 is connected to the other ends of wires 42, 42, one end of which is connected to the left and right operation plates 23R, 23R, respectively. The operation lever 40 is pivoted in the counterclockwise direction in FIG. The wire 42 is pulled rearward via the moving arm 41 and is fixed together with the operation plate 23R to the securing member 20R.
Move to the lowered position against the urging force of the spring 24R.

As a result, even if the automatic lashing release device 26 is damaged, the lashing can be manually released, so that the hose car 9 can be reliably lowered to the ground. A fall prevention device 43 is provided at the rear of the loading platform 2 to prevent the loading platform 8 at the highest position from lowering due to oil leakage of the hydraulic cylinder or the like. The fall prevention device 43
As shown in FIGS. 11 to 14, the engaged member 44 is provided at the base of the loading table 8 and the engaged member 44 is provided at the rear end of the loading platform 2 so as to be able to protrude and retract, and supports the engaged member 44 at the projecting position. And a rotary solenoid 46 of driving means for projecting and retracting the engaging member 45.

The engaged member 44 is formed in an L shape,
At a substantially middle position on the side surface of the base of the loading tray 8, it is fixed so as to protrude toward the loading platform 2. The engaging member 45 is provided so as to be able to protrude and retreat in a guide member 47 which is fixed to the rear lower surface of the back of the loading platform 2 and supports the engaged member 44 from below at a protruding position (FIGS. 12 and 14). Thus, the lowering of the receiving table 8 is restricted. A tapered portion 48 is formed on the lower surface of the leading end of the engaging member 45.

The rotary solenoid 46 is fixed to a lower rear surface of a mounting member 49 which is fixed to the lower surface of the carrier 2 and a swing arm 51 is attached to a rotating shaft 50 of the rotary solenoid 46 by a spring 52 in FIG. It is fixed so as to bias in the direction. The swing arm 51 and the base of the engaging member 45 are connected via a link arm 53, and the swing arm 5 is driven by driving a rotary solenoid 46.
13 is moved clockwise in FIG. 13 to move the engaging member 45 to the retracted position via the link arm 53.

Reference numeral 54 denotes a manual restriction releasing device for manually releasing the lowering of the loading tray 8 by the drop prevention device 43. The manual restriction releasing device 54 is provided at the rear of the loading platform 2 as shown in FIG. An operation lever 55 is provided on the side surface so as to be swingable, and a wire 56 connecting the operation lever 55 and the swing arm 51 is provided.
Is operated to swing the swing arm 51 via the wire 56 to move the engaging member 45 to the retracted position.

In this embodiment, the front and rear movements of the axle are respectively secured by a pair of front and rear securing members. However, at least the rearward movement of the axle can be secured and released. The operation and effect of the present invention can be achieved. In the present embodiment, a four-wheeled hose car has been described. However, a two-wheeled hose car has the same operation and effect.

Further, the hose car lashing device and the fall prevention device are each released automatically or manually to release the lashing. However, only the structure capable of releasing the lashing automatically has the same effect. . The operation of the present invention having the above-described configuration will now be described. In the traveling state shown in FIG. 1, the load receiving tray 8 is at the highest position, and the fall prevention device 43 restricts the lowering of the load receiving tray 8. The hose car 9 mounted on the load receiving tray 8 is connected to the hose car securing device 12 Is tied up in a state where forward and backward movement is restricted.

When lowering the hose car 9 to the ground from this state, first, the lowering of the load receiving table 8 by the fall prevention device 43 is released. To release the regulation of the fall prevention device 43, the rotary solenoid 46 is driven to swing the swing arm 51 against the force of the spring 52, and the engaging member 45 is moved to the retracted position via the link arm 53 as shown in FIG. Move to
As a result, the support of the engaged member 44 by the engaging member 45 is released, and the load receiving table 8 can be lowered.

When the rotary solenoid 46 or the like is out of order, the lowering restriction is released by the manual restriction release device 54. The operation of the manual restriction release device 54 is performed by the operation lever 55.
Is pivoted counterclockwise in FIG. 1 to pivot the pivot arm 51 via the wire 56 against the force of the spring 52, thereby moving the engaging member 45 to the retracted position. After the regulation of the fall prevention device 43 is released, the loading tray 8 is lowered.
When the lower end of the grounding member 32 comes into contact with the ground by the lowering of the loading table 8, an upward pushing force acts on the grounding member 32.
At this time, the biasing force of the spring 37 and the spring 24R is acting on the grounding member 32 and the operation plate 23R, respectively.
Is larger than the urging force of the ground member 32.
The operation plate 23R is moved upward together with the securing member 20R while resisting the urging force of the spring 24R together with the securing member 20R, while maintaining the urging state of the spring 37.

When the loading table 8 is lowered to just before the lowermost position (FIG. 7), the securing member 20R moves to the lowering position, the opening 18R is opened, and the backward movement regulation of the hose car 9 by the securing member 20R is released. Is done. Thereby, the receiving table 8
Can secure the hose car 9 immediately before touching the ground, so that the hose car 9 can be securely unlocked even if the loading stand 8 does not completely touch the ground on a slope or the like. At that time, the ground height of the loading tray 8 immediately before touchdown is sufficiently low.
Even if the hose car 9 moves from the loading table 8 to the ground due to the release of the lashing, the horse car 9 does not fall down.

When the receiving tray 8 is further lowered, the grounding member 32
Moves upward while resisting the urging force of the spring 37,
The receiving platform 8 reaches the lowest position (FIG. 8). As a result, the hose car 9 can be pulled out of the receiving tray 8 and lowered on the ground. If the automatic lash release device 26 cannot release the lashing due to damage to the ground member 32, the manual lash release device 38 releases the lashing. Manual lash release device 3
When the operation lever 8 swings the operation lever 40 in the counterclockwise direction in FIG. 9, the operation plate 23R descends against the urging force of the spring 24R due to the pressing force of the wire 36, and the securing member 20R moves to the descending position. I do.

Next, when the hose car 9 is loaded on the fire engine 1, the hose car 9 is mounted on the loading tray 8 at the lowest position as shown in FIG. 2, and then the loading tray 8 is raised by a hydraulic cylinder. At this time, until the state immediately after the start of the ascent (FIG. 7), the operation plate 23R is connected to the wire 36 by the urging force of the spring 37.
, The securing member 20R is held at the lowered position against the urging force of the spring 24R.

When the loading tray 8 is further raised from the state shown in FIG. 7, the operation plate 23R is released from the pulling force of the wire 36, and the distance between the upper surface of the lower guide cylinder 31 and the regulating plate 33 is shortened. The plate 23R moves upward together with the securing member 20R by the urging force of the spring 24R,
As shown in FIG. 3, the securing member 20 </ b> R
R is closed, and the rearward movement of the horse car 9 is restricted.

When the receiving table 8 further rises to the vicinity of the highest position, the engaged member 44 at the base of the receiving table 8 comes into contact with the tapered surface of the engaging member 45 at the projecting position, and the engaged member 44 engages. The member 45 is moved upward while pushing in the retreating direction against the urging force in the projecting direction by the force of the spring 52, and when the load receiving table 8 reaches the highest position (FIG. 1), FIGS.
As shown in FIG. 4, the downward movement of the engaged member 44 is restricted at a position above the tip of the engaging member 45.

As a result, it is possible to reliably prevent the descent of the load receiving tray 8 due to oil leakage from the hydraulic cylinder or the like during traveling of the vehicle. By the way, a plurality of hose cars 9 may be loaded in the loading platform 2. In this case, the loading platform 8 is raised to the highest position (FIG. 1), and then the manual securing device 25 releases the hose car by the securing member 20 </ b> F. 9 is released and the hose car 9 on the receiving tray 8 is moved to the loading platform 2.
Move up. When the operation lever 28 is pivoted in the counterclockwise direction in FIG.
3F descends against the urging force of the spring 24F due to the pressing force of the wire 30, and the securing member 20F moves to the lowered position. With this, the opening 18F is opened, so that the forward movement of the hose car 9 becomes possible, and the hose car 9 can be moved onto the loading platform 2.

[0031]

As described above, according to the first aspect of the present invention, a receiving member for receiving an axle of a hose car is provided on a loading table which is moved up and down between the ground and the loading table by the loading table lifting device, and the opening of the receiving member is provided. The lashing member that secures the axle of the hose car is closed and closed, and the lashing member is moved to the lashing release position side by contact with the ground when the loading tray descends, and the lashing is released to release the lashing. Since the tie release device is provided on the loading tray, the tie release of the hose car can be reliably released regardless of the height of the ground of the loading platform.

In the second aspect, the automatic lash release device is
A ground member protruding below the loading tray and provided so as to be vertically movable, and a wire having one end connected to the securing member side and the other end connected to the grounding member side. The grounding member is moved to the grounding release position via a wire by grounding the grounding member to the ground, so that the grounding member can securely contact the ground, and the release of the hose car is released. It can be performed more reliably. According to a third aspect of the present invention, there is provided a fall prevention device that regulates the lowering of the load receiving platform from the highest position by the engagement of the engaged member provided at the base of the load receiving platform and the engaging member provided at the rear portion of the loading platform. Therefore, it is possible to reliably prevent the hose car from being damaged due to the drop of the load receiving table while the vehicle is running.

[Brief description of the drawings]

FIG. 1 is a side view of a hose car loading and unloading device according to the present invention, in which a loading tray is at a highest position.

FIG. 2 is a side view when the receiving table is lowered most;

FIG. 3 is a side view of the hose car tying device.

FIG. 4 is a sectional view taken along the line CC of FIG. 3;

FIG. 5 is a sectional view taken along line DD of FIG. 3;

FIG. 6 is an AA diagram of FIG. 1;

FIG. 7 is an operation state diagram of the hose car lashing device during the ascent and descent of the loading tray.

FIG. 8 is an operation state diagram in which the rearward movement is released by the automatic lash release device;

FIG. 9 is an operation state diagram in which the backward movement is released by the manual lash release device.

FIG. 10 is a cross-sectional view taken along the line EE in FIG. 6 in which the forward movement is released by the manual lash release device;

FIG. 11 is a sectional view taken along line BB of FIG. 1;

FIG. 12 is an enlarged view of a main part of FIG. 11, showing a fall prevention device.

FIG. 13 is an operation state diagram of the fall prevention device.

FIG. 14 is a sectional view taken along line FF of FIG. 12;

[Explanation of symbols]

 Reference Signs List 2 loading platform 3 loading platform lifting device 8 loading platform 9 hose car 11 axle 12 hose car securing device 13 receiving member 18 opening 20 securing device 24 spring (biasing means) 26 automatic securing releasing device 32 grounding member 36 wire 43 drop prevention Device 44 engaged member 45 engaging member

Claims (3)

[Claims] 1. A loading / unloading device for raising and lowering a loading / unloading platform for loading and unloading a hose car at a rear portion of the loading platform between a lowest position where the ground is grounded and a highest position where the height is substantially the same as the loading surface. A hose car securing device comprising a hose car securing device for securing an axle of a hose car mounted on a platform, wherein the hose car securing device comprises a receiving member provided on a loading platform for receiving the axle of the hose car, and a receiving member for the receiving member. A securing member provided to be able to advance and retreat between a securing position for closing the opening and a securing release position for opening the opening, and biasing means for constantly biasing the securing member toward the securing position. And an automatic lash release device that is provided on the load receiving side and moves the lashing member to the lash release position side against the urging means in contact with the ground when the load receiving table descends. A special feature is the hose car handling equipment. 2. An automatic lash release device comprising: a grounding member having a lower end protruding below the load receiving table so as to be vertically movable on the load receiving table; And a wire connected to the grounding member side, wherein the grounding member abuts on the ground when the load receiving platform is lowered to move the securing member together with the wire to the securing release position side. The hose car cargo handling device according to claim 1. 3. A loading pallet lifting device which raises and lowers a loading trolley for loading and unloading a hose car at a rear portion of the loading pallet between a lowest position where the ground is grounded and a highest position which is substantially flush with the loading surface. In the hose car loading / unloading device, an engaged member provided on the load receiving side is protruded toward the loading side at the rear part of the load side.
A hose car loading and unloading device, comprising: a fall prevention device which is capable of engaging a retreatably provided engaging member to restrict the lowering of the load receiving table at the highest position.