CN218907256U - Folding cart capable of winding fire hose - Google Patents

Abstract

The utility model discloses a folding cart capable of winding fire hose, which belongs to the technical field of fire-fighting equipment and comprises a cart stay bar, a limit pull rod, a winding disc and a crank handle; the trolley brace rod is a straight rod, the handrail is vertically installed in the folding top of trolley brace rod, the bracket has been connected to trolley brace rod lower extreme, be connected through the pivot between trolley brace rod and the bracket, the bottom of trolley brace rod has still set up the wheel, the wheel supports the junction at bracket and trolley brace rod, folding accomodate that can be convenient reduces the space and takes, the fire-fighting vehicle of being convenient for carries to can conveniently carry out the rolling operation to the fire hose, easy operation moreover, the rolling is laborsaving, does not need to bow to receive and put in order the fire hose, only need rotate the rolling dish and can accomplish whole fire hose rolling, and this device can be convenient rolling fire hose, also can convenient fire hose transport.

Description

Folding cart capable of winding fire hose

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a folding cart capable of winding a fire-fighting water belt.

Background

The fire hose is a hose for conveying high-pressure water or foam and other flame-retardant liquid, the traditional fire hose takes rubber as a lining, the outer surface of the traditional fire hose is wrapped with flax braided fabric, and the fire hose made of polyurethane and other polymeric materials is used for updating materials. Two ends of the fire hose are provided with metal joints, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure, and the metal joints are in sealing butt joint with other pipelines.

The fire hose needs to bear larger water pressure for spraying water to extinguish fire on higher floors, and the pressure-resistant fire hose is heavy generally, so that the fire hose needs to be fully unfolded to avoid waterway blockage when in use, and needs to be wound and rewound after being used, so that the fire hose is convenient to use next time and rapidly unfolded. When fire fighters roll up the fire hose, the fire fighters need to continuously squat down, lift up, roll up, drag and roll up the fire hose again, the fire fighters need to bend down and roll up during operation, very physical effort is consumed, when the fire fighting hose is rolled up, fire fighters usually just finish fire fighting rescue, the physical effort of the fire fighters is very much consumed, even the physical effort is exhausted, no residual force is left to roll up the fire fighting hose at all, the operation of rolling up the fire fighting hose is very physical effort, the fire fighters can roll up the fire fighting hose after having a rest for a long time, and then can be evacuated, so that the physical effort which is just recovered a little is consumed again, the operation of rolling up the fire fighting hose is wasted, the fire fighting hose is not effective, and the fire fighting hose can not be saved.

Based on the above, the utility model designs a folding cart capable of winding the fire hose so as to solve the problems.

Disclosure of Invention

The utility model aims to provide a folding trolley capable of winding fire hose, which can be conveniently folded and stored, reduces space occupation, is convenient for fire-fighting vehicles to carry, is convenient for winding fire hose, is simple to operate, saves labor in winding, can complete winding of the whole fire hose by rotating a winding disc without bending down and winding the fire hose, can temporarily store the wound fire hose, saves labor for firefighters to wind and take away the fire hose, and can be used for conveniently winding the fire hose and carrying the fire hose.

The utility model is realized in the following way: a folding cart capable of rolling fire hose, comprising:

the trolley comprises a trolley stay bar, a limiting pull rod, a rolling disc and a crank;

the trolley support rod is a straight rod, the top end of the trolley support rod can be turned over and folded, a handrail is vertically arranged, the lower end of the trolley support rod is connected with a bracket, the trolley support rod is connected with the bracket through a rotating shaft, wheels are further arranged at the bottom of the trolley support rod, and the wheels are supported at the joint of the bracket and the trolley support rod;

the bracket is of a flat frame structure, and a bearing frame is further arranged at the bottom of the bracket and is a plurality of crisscrossed supporting rods on the same plane;

the limiting pull rod is a long rod formed by connecting two straight rods through a rotating pin, one end of the limiting pull rod is rotationally connected with the trolley supporting rod, and the other end of the limiting pull rod is rotationally connected with the bracket;

at least two supporting pieces are fixed at the bottom of the bracket, and the supporting pieces are symmetrically arranged at the left side and the right side of the bottom of the bracket;

the rolling disc is a flat disc, the bearing is stably arranged on the handrail, the crank handle and the rolling disc are connected into an integral structure, the rolling disc is rotationally connected with the fixed plate through the bearing, the rolling disc and the crank handle are respectively arranged on two sides of the handrail, and the rolling disc and the bracket are both arranged on the front side of the handrail;

the winding disc is provided with a winding rod, the winding rod consists of two straight rods, the winding rod is perpendicular to the plane where the winding disc is located, and the front ends of the two straight rods of the winding rod are not connected and sealed.

Further, the winding rod is a U-shaped fork with a closed rear end, the front end of the winding rod is opened, the axis of the winding rod is coincident with the axis of the winding disc, and the axis of the winding disc is coincident with the rotation axis of the bearing.

Further, the support is a closed annular square;

when the bracket is turned over and unfolded, the bottom of the supporting piece and the bottom of the wheel are on the same horizontal plane;

the two ends of the limiting pull rod are respectively connected with the bearing frame and the trolley stay rod in a rotating way through the connecting holes and the bolts;

the limiting pull rods are in parallel in the same plane, and the distances d between the adjacent limiting pull rods are the same.

Further, two trolley supporting rods are arranged, a flat plate-shaped integral frame structure is formed between the two trolley supporting rods through vertically and horizontally staggered straight rods, the handrails are U-shaped rods, the straight rods at the two ends of the handrails are respectively arranged at the top ends of the two trolley supporting rods through folding self-locking hinges, and the trolley supporting rods and the handrails are on the same plane.

Further, a fixed plate is fixedly arranged on the handrail, the fixed plate and the handrail are on the same plane, an outer ring of the bearing is fixedly connected with the fixed plate, the rolling disc and the crank handle are locked with an inner ring of the bearing, and the rotation axis of the bearing is perpendicular to the plane where the fixed plate is located;

the crank handle is a folding crank handle.

Further, two guide forks are arranged on one side of the handrail, the guide forks are U-shaped forks with closed front ends, the guide forks are perpendicular to the plane of the handrail, and the guide forks are opened towards the front;

the four straight rods of the two guide forks are on the same plane.

Further, the winding machine also comprises a winding motor, wherein the winding motor is fixedly arranged on the fixed plate, and a driving shaft of the winding motor is connected with the circle center of the winding disk.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the trolley stay bar, the handrail and the bracket are connected through the folding self-locking hinge and the rotating shaft in a turnover way, so that the trolley stay bar, the handrail and the bracket can be mutually folded into a smaller volume, the storage is more convenient, the trolley stay bar, the handrail and the bracket can be stored in a fire engine in a smaller volume, and the trolley stay bar, the handrail and the bracket can be unfolded into a complete folding trolley through the latch bolt, so that the trolley can be conveniently unfolded and used, and the fire hose can be transported by using the device, so that the fire hose is more labor-saving;

2. the device has the advantages that the plurality of limit pull rods are additionally arranged between the trolley support rods and the brackets, the whole bearing frame can be divided into a plurality of containing spaces, the rolled fire hose can be temporarily stored on the bearing frame, and the rolled fire hose can be conveniently transported and temporarily stored;

3. this device has increased rolling dish and dwang for the winding pole can hold the metal connector of fire hose and rotate the rolling, convenient to use, only need rotate during the use the crank can, the operation is laborsaving more, it is more convenient to use, has increased the direction fork moreover, can the fire hose lead, twines when avoiding the rolling and knots, no longer need pull and spread the fire hose, labour saving and time saving.

Drawings

The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.

FIG. 1 is a schematic view of the front side structure of the present utility model;

FIG. 2 is a schematic view of the rear side structure of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is a schematic view of the semi-folded structure of the present utility model;

FIG. 5 is a schematic view of the folding completion of the present utility model;

FIG. 6 is a schematic diagram of an alternative motor according to the present utility model;

FIG. 7 is a schematic view of a fire hose winding guide of the present utility model;

fig. 8 is a schematic view of the structure of the limit pull rod of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the trolley comprises a trolley supporting rod 1, a bracket 11, a handrail 12, wheels 13, a folding self-locking hinge 14, a limiting pull rod 2, a supporting piece 21, a bearing frame 22, a connecting hole 23, a winding disc 3, a winding rod 31, a guide fork 32, a crank 4, a bearing 41, a fixing plate 42 and a winding motor 5.

Detailed Description

Referring to fig. 1 to 8, the present utility model provides a technical solution: a folding cart capable of rolling fire hose, comprising:

the trolley comprises a trolley stay bar 1, a limiting pull rod 2, a winding disc 3 and a crank handle 4;

the trolley stay bar 1 is a straight bar, a handrail 12 is vertically arranged at the top end of the trolley stay bar 1, the lower end of the trolley stay bar 1 is connected with a bracket 11, the trolley stay bar 1 is connected with the bracket 11 through a rotating shaft, wheels 13 are further arranged at the bottom of the trolley stay bar 1, and the wheels 13 are supported at the joint of the bracket 11 and the trolley stay bar 1;

the bracket 11 is of a flat frame structure, the top of the bracket 11 is also covered with a bearing frame 22, and the bearing frame 22 is a plurality of crisscrossed supporting rods on the same plane;

the limiting pull rod 2 is a long rod formed by connecting two straight rods through a rotating pin, one end of the limiting pull rod 2 is rotationally connected with the trolley supporting rod 1, and the other end of the limiting pull rod 2 is rotationally connected with the bracket 11;

at least two supporting pieces 21 are fixed at the bottom of the bracket 11, and the supporting pieces 21 are symmetrically arranged at the left side and the right side of the bottom of the bracket 11;

the winding disc 3 is a flat circular disc, the bearing 41 is stably arranged on the handrail 12, the crank handle 4 is connected with the winding disc 3 into an integral structure, the winding disc 3 is rotationally connected with the fixed plate 42 through the bearing 41, the winding disc 3 and the crank handle 4 are respectively arranged on two sides of the handrail 12, and the winding disc 3 and the bracket 11 are both positioned on the front side of the handrail 12;

the winding disc 3 is provided with the winding rod 31, the winding rod 31 is composed of two straight rods, the winding rod 31 is perpendicular to the plane where the winding disc 3 is located, the front ends of the two straight rods of the winding rod 31 are not connected and sealed, the winding disc is convenient to fold and store, space occupation is reduced, a fire fighting vehicle is convenient to carry, winding operation can be conveniently carried out on fire fighting water belts, the winding is simple to operate, labor is saved, the whole fire fighting water belts do not need to be bent down, winding of the whole fire fighting water belts can be completed only by rotating the winding disc, and the fire fighting water belts which are completed in winding can be temporarily stored, so that a fire fighter takes away the fire fighting water belts in a winding manner in a more labor-saving manner.

The winding rod 31 is a U-shaped fork with a closed rear end, the front end of the winding rod 31 is opened, the axis of the winding rod 31 is overlapped with the axis of the winding disc 3, the axis of the winding disc 3 is overlapped with the rotation axis of the bearing 41, the metal connector of the fire hose can be clamped for winding, and the spread fire hose can be conveniently wound into a roll shape;

the support 21 is a closed annular square;

when the bracket 11 is turned and unfolded, the bottom of the supporting piece 21 and the bottom of the wheel 13 are on the same horizontal plane;

the two ends of the limiting pull rod 2 are provided with connecting holes 23, the connecting holes 23 are waist-shaped holes, and the two ends of the limiting pull rod 2 are respectively and rotatably connected with the bearing frame 22 and the trolley stay bar 1 through the connecting holes 23 and the bolts; and because the connecting hole 23 is a waist-shaped hole, the limit pull rod 2 can be rotatably connected between the bearing frame 22 and the trolley stay rod 1, and the connected bolt can also slide in the connecting hole 23.

The plurality of limit pull rods 2 are arranged, the plurality of limit pull rods 2 are parallel to each other in the same plane, the distances d between the adjacent limit pull rods 2 are the same, so that a supporting effect is formed, a plurality of limit spaces can be formed through the limit pull rods 2, and the winding and shaping fire water coil is stored;

the two trolley support rods 1 are arranged, a flat plate-shaped integral frame structure is formed between the two trolley support rods 1 through crisscross straight rods, the handrail 12 is a U-shaped rod, the straight rods at the two ends of the handrail 12 are respectively arranged at the top ends of the two trolley support rods 1 through hinges, and the trolley support rods 1 and the handrail 12 are on the same plane;

the butt joint of the handrail 12 and the trolley stay bar 1 is also provided with a folding self-locking hinge 14, the trolley stay bar 1 and the handrail 12 can be turned over through the folding self-locking hinge 14 and clamped into mutually connected straight rods to be stressed integrally, so that the folding self-locking hinge 14 can lock the handrail 12 and the trolley stay bar 1 in a straightening state, thereby connecting and locking the upright handrail 12 and the trolley stay bar 1 into an integral stress structure, facilitating the connection and turning over folding of the handrail 12 and the trolley stay bar 1, and the folding self-locking hinge 14 is simple in operation and structure, and can turn over and clamp the handrail 12 back when the handrail 12 turns over backwards;

a fixed plate 42 is fixedly arranged between the two straight rods of the handrail 12, the fixed plate 42 and the handrail 12 are on the same plane, the outer ring of the bearing 41 is fixedly connected with the fixed plate 42, the winding disc 3 and the crank handle 4 are fixedly locked with the inner ring of the bearing 41, and the rotation axis of the bearing 41 is perpendicular to the plane where the fixed plate 42 is located;

the handle 4 is a folding handle, and the handle 4 can synchronously rotate the winding disc 3, so that the fire extinguishing water belt can be conveniently wound;

two guide forks 32 are further arranged on one side of the handrail 12, the guide forks 32 are U-shaped forks with closed front ends, the guide forks 32 are perpendicular to the plane of the handrail 12, and the guide forks 32 are opened towards the front;

the four straight rods of the two guide forks 32 are on the same plane to form a guide, so that the fire hose can stably and smoothly run in a crack between the two groups of guide forks 32, the fire hose is smooth, and winding and knotting are avoided;

still include rolling motor 5, rolling motor 5 fixed mounting is on fixed plate 42, the drive shaft of rolling motor 5 is connected with the centre of a circle of rolling dish 3, can use the motor to replace manual, and it is convenient to use, and is more laborsaving.

In one embodiment of the utility model:

the embodiment of the utility model provides a folding cart capable of winding a fire hose, which solves the technical problems that: 1. at present, the fire hose has larger weight after wet water is used, so that the winding operation consumes very much physical strength, and firefighters generally need to wind the hose, namely when the fire hose needs to be evacuated after the rescue is finished, the physical strength of the firefighters is very high, some firefighters can consume the physical strength for helping, and the fire hose is wound, so that larger additional workload is added to the firefighters, but the firefighters have to do so as to consume very much physical energy; 2. the fire hose is very labor-consuming to operate and cannot be wound randomly, orderly winding is needed, otherwise, the fire hose is difficult to be unfolded smoothly when being used next time, the next rescue task is blocked, firefighters rescue is not time-division, perhaps the next rescue task can be performed immediately after the rescue is completed, if the firefighters just perform the task, the vehicle can go out again to perform the rescue task after the personnel replacement, if the fire hose is not wound neatly, the firefighters operated later are difficult to spread the fire hose, the fire hose is blocked, the fire hose is not allowed to be wound neatly, and therefore, the fire hose winding work is more complicated, and the time and the labor are consumed; 3. the fire hose has the advantages of heavy weight, long length after spreading, repeated transportation to the vehicle for storage after winding, repeated transportation to the vehicle after continuous winding, repeated transportation of one fire hose after winding, and high physical loss after repeated back and forth transportation.

The technical problems solved by the utility model are as follows: through a folding shallow, can be with this device convenient accomodate in the fire engine, can make things convenient for laborsaving to the fire hose rolling of spreading again, can also once transport the fire hose that many rolls of winding have been accomplished.

The technical effects are realized as follows: 1. according to the utility model, the trolley stay bar 1 and the handrail 12 are connected through the folding self-locking hinge 14, so that the trolley stay bar 1 and the bracket 11 can be conveniently turned over and positioned, and the trolley stay bar 1, the handrail 12 and the bracket 11 can be mutually folded into smaller volumes, as shown in fig. 4, after being folded, the volumes are smaller, the storage is more convenient, the trolley stay bar 1 and the handrail 12 can be stored in a fire truck in smaller volumes, and the trolley stay bar 1 and the handrail 12 can be unfolded through the folding self-locking hinge 14 to form a complete folding trolley, so that the trolley can be conveniently unfolded and used, and the fire hose is transported by using the device, so that the fire hose is more labor-saving;

2. the device has the advantages that the plurality of limit pull rods 2 are additionally arranged between the trolley stay bars 1 and the brackets 11, the whole bearing frame 22 can be divided into a plurality of vertical containing spaces, the rolled fire hose can be temporarily stored on the bearing frame 22, the rolled fire hose is convenient to transport and temporarily store, and the fire hose is stored in the space between the limit railing 2 and the bearing frame 22, so that the fire hose cannot be scattered, can be conveniently temporarily stored and is convenient to transport;

3. this device has increased rolling dish 3 and rolling pole 31 for rolling pole 31 can grip the metal connector of fire hose and rotate the rolling, convenient to use, only need rotate crank 4 during the use can drive rolling dish 3, rolling dish 3 rotates just so that rolling pole 31 rotates, it is convoluteed to fire hose, the operation is more laborsaving, it is more convenient to use, guide fork 32 has been increased in addition, the U type fork-shaped guide fork 32 of twin pole, can lead fire hose centre gripping, make the fire hose direction advance in U type fork, can spread the fire hose of distortion, twine when avoiding the rolling and tie up, no longer need pull and spread the fire hose, labour saving and time saving.

The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows:

in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

When the utility model is manufactured, a trolley stay bar 1, a limit pull rod 2, a winding disc 3 and a crank handle 4 are required to be manufactured;

the trolley stay bar 1 is a straight bar, can be a square bar or a round bar, can be conveniently provided with a hinge, and is more suitable for being provided with a folding self-locking hinge 14;

the two trolley supporting rods 1 are arranged, a flat plate-shaped integral frame structure is formed between the two trolley supporting rods 1 through vertically and horizontally staggered straight rods, a horizontal cross rod is additionally arranged on the trolley supporting rods 1, so that a fire hose is conveniently blocked, the fire hose is prevented from falling off, the strength of the two trolley supporting rods 1 is increased, supporting points can be added to the bracket 11, the handrails 12 are U-shaped rods, the straight rods at the two ends of the handrails 12 are respectively arranged at the top ends of the two trolley supporting rods 1 through hinges, and the trolley supporting rods 1 and the handrails 12 are on the same plane, so that the handrails 12 and the trolley supporting rods 1 can be turned over along the rotating shafts of the hinges;

the butt joint department of handrail 12 and shallow vaulting pole 1 has still set up folding auto-lock hinge 14, shallow vaulting pole 1 is connected for rotating the flip structure who connects through folding auto-lock hinge 14 hasp with handrail 12, folding auto-lock hinge 14 is the hinge commonly used, can interlock when the upset is the coincide, also can lock automatically when the upset is vertical for restrict handrail 12 to the back side upset, restrict handrail 12 to upright state, handrail 12 also can overturn to the back side through folding auto-lock hinge, when overturning downwards, can overturn to the half folding state of fig. 4, fold to the complete folding state of fig. 5 at last.

The lower end of the trolley stay bar 1 is connected with a bracket 11, the trolley stay bar 1 is connected with the bracket 11 through a rotating shaft, the bottom of the trolley stay bar 1 is also provided with wheels 13, and the wheels 13 are supported at the joint of the bracket 11 and the trolley stay bar 1;

the bracket 11 is of a flat frame structure, the top of the bracket 11 is also covered with the bearing frame 22, the bearing frame 22 is a plurality of criss-cross supporting rods on the same plane, the left and right directions of the bearing frame 22 are a cross rod, the front and rear directions of the bearing frame 22 are two longitudinal rods, the cross rod is positioned below the longitudinal rods, the cross rod is prevented from being mutually abutted with the limiting pull rod 2, and when the bearing frame is folded, the limiting pull rod 2 is folded between the bracket 11 and the bearing frame 22, so that the limiting pull rod 2 can be completely folded and retracted at a gap of the bearing frame 22, the bearing frame 22 is a flat surface, and a waterproof cancellation belt can be received, and falling is prevented;

the limiting pull rod 2 is a long rod formed by connecting two straight rods through a rotating pin, one end of the limiting pull rod 2 is rotationally connected with the trolley supporting rod 1, and the other end of the limiting pull rod 2 is rotationally connected with the bracket 11; the number of the limiting pull rods 2 is multiple, the limiting pull rods 2 are parallel to each other in the same plane, the distance d between the adjacent limiting pull rods 2 is the same, the distance d between the limiting pull rods 2 is larger than the width of the fire hose in a flat state, namely the diameter of the fire hose, the distance d is 3-5cm larger than the diameter of the fire hose, the fire hose is convenient to install, the fire hose wound into a roll cannot fall down, and the fire hose can be stably and conveniently stored temporarily;

the limiting pull rods 2 are long rods formed by connecting two straight rods through rotating pins, one end of each limiting pull rod 2 is rotationally connected with the trolley stay rod 1, connecting holes 23 are formed in two ends of each limiting pull rod 2, the upper end of each limiting pull rod 2 is rotationally connected with the frame of the trolley stay rod 1 through one connecting hole 23 and a bolt, and the lower end of each limiting pull rod 2 is rotationally connected with the bearing frame 22 through one bolt and the connecting hole 23;

the lower extreme of spacing pull rod 2 is connected in the left and right sides face of carrier 22, is convenient for fold and accomodate spacing pull rod 2 in the clearance of carrier 22, is convenient for bracket 11 and shallow vaulting pole 1 are folding completely.

The connection of the lower end of the limiting pull rod 2 and the bracket 11 is positioned inside the bracket 11, so that the limiting pull rod 2 is convenient to store.

The trolley stay 1, the bracket 11, the armrests 12 and the wheels 13 constitute a complete folding trolley, i.e. a conventional folding trolley.

At least two supporting pieces 21 are fixed at the bottom of the bracket 11, and the supporting pieces 21 are symmetrically arranged at the left side and the right side of the bottom of the bracket 11; the support 21 is a closed annular square; when the bracket 11 is turned over and unfolded, the bottom of the supporting piece 21 and the bottom of the wheel 13 are on the same horizontal plane;

the handrail 12 is of a U-shaped structure, a fixed plate 42 is fixedly arranged on a gap between straight rods at two sides of the handrail 12, the fixed plate 42 and the handrail 12 are on the same plane, an outer ring of a bearing 41 is fixedly connected with the fixed plate 42, a winding disc 3 and a crank 4 are fixedly locked with an inner ring of the bearing 41, and a rotation axis of the bearing 41 is perpendicular to the plane where the fixed plate 42 is located; the crank handle 4 is a folding crank handle;

two guide forks 32 are also arranged on one side of the handrail 12, the guide forks 32 are U-shaped forks with closed front ends, the guide forks 32 are perpendicular to the plane of the handrail 12, and the guide forks 32 are opened towards the front; the four straight bars of the two guide forks 32 are on the same plane;

the rolling disc 3 is a flat disc, can prevent the fire hose from being blocked in a gap, is a smooth and flat disc, can block and limit the fire hose, the rolling rod 31 is a U-shaped fork with a closed rear end, the front end of the rolling rod 31 is opened, the axis of the rolling rod 31 is overlapped with the axis of the rolling disc 3, the axis of the rolling disc 3 is overlapped with the rotation axis of the bearing 41,

the winding disc 3 is provided with a winding rod 31, the winding rod 31 is composed of two straight rods, the winding rod 31 is perpendicular to the plane where the winding disc 3 is located, and the front ends of the two straight rods of the winding rod 31 are not connected and sealed to form an opening package.

The crank handle 4 is connected with the winding disc 3 into an integral structure, the winding disc 3 is rotationally connected with the fixed plate 42 through the bearing 41, the winding disc 3 and the crank handle 4 are respectively arranged on two sides of the handrail 12, and the winding disc 3 and the bracket 11 are both arranged on the front side of the handrail 12;

the crank handle 4 can be replaced by a winding motor 5, if an electric device is selected, one winding motor 5 can be fixedly arranged on the fixed plate 42, a driving shaft of the winding motor 5 is connected with the circle center of the winding disc 3, the driving shaft of the winding motor 5 also penetrates through the inner ring of the bearing 41, and a battery and a switch are arranged on the winding motor 5 to be used.

When the folding self-locking device is required to be unfolded and used, the handrail 12 is turned over and butted at the top of the trolley supporting rod 1, so that the butt joint is stable, the folding self-locking hinge 14 can connect the handrail 12 with the trolley supporting rod 1, the folding self-locking hinge 14 is a conventional hinge with a self-locking function, self-locking can be conveniently carried out at a starting point and a turning point, the handrail 12 can be effectively prevented from being turned back, the lower end of the handrail 12 is butted and abutted against the top of the trolley supporting rod 1, the handrail 12 and the trolley supporting rod 12 are spliced into a vertical straight rod state, and in normal use, the folding self-locking hinge 14 is in an unfolded locking state, the device is shown in a vertical standing state in fig. 3, and for convenience in description, the front side is the side for placing a fire hose and winding the fire hose, and the rear side is the side for operating the rocking handle 4, namely the side for people to pull or the trolley;

then the support piece 21 can be stepped on by feet, the bracket 11 can be placed down, the plane of the bracket 11 and the plane of the trolley stay bar 1 form an angle which is perpendicular to each other, then the whole folding trolley can be vertically placed on the ground, then the middle position of the fire hose is clamped at the gap between two straight bars of the winding rod 31, the gap between the two gaps of the winding rod 31 is smaller than the size of a metal joint of the fire hose, the winding rod 31 drags and clamps the middle folded part of the fire hose, then the pipe straps at two ends of the subsequent fire hose are clamped at the gap between the guide forks 32, and the right upper part passes through the gaps of the two guide forks 32, and the guiding schematic diagram of the fire hose is shown in fig. 7;

then the crank handle 4 is rocked, or the winding motor 5 is started at the moment, the whole fire-fighting water belt is wound into a neat winding belt, the metal joint of the fire-fighting water belt is arranged on the outer ring, and the middle folding part is arranged on the inner ring, so that the winding is convenient;

when the fire hose is required to be stored, the coiled fire hose is placed in a crack between the two limiting pull rods 2 and is supported by the bearing frame 22, the four limiting pull rods 2 are arranged on the bearing frame 22, 3 fire hose can be supported by the transverse rods of the bearing frame 22, the bottom of the fire hose is just supported between the transverse rods of the bearing frame 22 and the trolley supporting rods 1, and the two sides of the fire hose are clamped by the limiting pull rods 2 and longitudinal rods in the front-back direction of the bearing frame 22, so that the support is stable;

can also a fire hose of rolling on the reel 3, four fire hose can be temporarily deposited to this device full dress state, on convenient rolling back transported the fire engine, when general need multireel fire hose concatenation, generally all be the place that the water supply distance is farther, this device can avoid making a round trip to walk repeatedly to carry the fire hose, this device can the rolling, the transportation of keeping in the limit, convenient to use has saved firefighter's rolling work to the fire hose after accomplishing the task greatly, and the rolling is neat, save the physical stamina loss of rolling fire hose.

The folding self-locking hinge 14 is a common device, which is used for connecting two different parts, can be turned over and folded, can be turned over to be a straight plate and can be self-locked, and belongs to the common device and can be purchased.

In addition, in the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc. are presented, the indicated orientation or positional relationship is based on that shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.

Claims (7)

1. Folding cart capable of winding fire hose, characterized by comprising: the trolley comprises a trolley stay bar (1), a limit pull bar (2), a winding disc (3) and a crank handle (4);

the trolley support rod (1) is a straight rod, a handrail (12) is vertically arranged at the top end of the trolley support rod (1) in a turnover and folding mode, a bracket (11) is connected to the lower end of the trolley support rod (1), the trolley support rod (1) is connected with the bracket (11) through a rotating shaft, wheels (13) are further arranged at the bottom of the trolley support rod (1), and the wheels (13) are supported at the joint of the bracket (11) and the trolley support rod (1);

the bracket (11) is of a flat frame structure, a bearing frame (22) is further arranged at the bottom of the bracket (11), and the bearing frame (22) is a plurality of criss-cross supporting rods on the same plane;

the limiting pull rod (2) is a long rod formed by connecting two straight rods through a rotating pin, one end of the limiting pull rod (2) is rotationally connected with the trolley supporting rod (1), and the other end of the limiting pull rod (2) is rotationally connected with the bracket (11);

at least two supporting pieces (21) are fixed at the bottom of the bracket (11), and the supporting pieces (21) are symmetrically arranged at the left side and the right side of the bottom of the bracket (11);

the winding disc (3) is a flat disc, the bearing (41) is stably arranged on the handrail (12), the crank handle (4) is connected with the winding disc (3) into an integral structure, the winding disc (3) is rotationally connected with the fixed plate (42) through the bearing (41), the winding disc (3) and the crank handle (4) are respectively arranged at two sides of the handrail (12), and the winding disc (3) and the bracket (11) are both positioned at the front side of the handrail (12);

the winding disc (3) is provided with a winding rod (31), the winding rod (31) is composed of two straight rods, the winding rod (31) is perpendicular to the plane where the winding disc (3) is located, and the front ends of the two straight rods of the winding rod (31) are not connected and sealed.

2. The folding cart capable of winding fire hose according to claim 1, wherein: the winding rod (31) is a U-shaped fork with a closed rear end, the front end of the winding rod (31) is opened, the axis of the winding rod (31) is coincident with the axis of the winding disc (3), and the axis of the winding disc (3) is coincident with the rotation axis of the bearing (41).

3. The folding cart capable of winding fire hose according to claim 1, wherein: the support (21) is a closed annular square;

when the bracket (11) is turned and unfolded, the bottom of the supporting piece (21) and the bottom of the wheel (13) are on the same horizontal plane;

the two ends of the limiting pull rod (2) are provided with connecting holes (23), the connecting holes (23) are waist-shaped holes, and the two ends of the limiting pull rod (2) are respectively and rotatably connected with the bearing frame (22) and the trolley stay bar (1) through the connecting holes (23) and the bolts;

the limiting pull rods (2) are multiple, the limiting pull rods (2) are parallel to each other in the same plane, and the distances d between the adjacent limiting pull rods (2) are the same.

4. The folding cart capable of winding fire hose according to claim 1, wherein: the two trolley support rods (1) are arranged, a flat plate-shaped integral frame structure is formed between the two trolley support rods (1) through straight rods which are crisscrossed vertically and horizontally, the handrail (12) is a U-shaped rod, the straight rods at two ends of the handrail (12) are respectively arranged at the top ends of the two trolley support rods (1) through folding self-locking hinges (14), and the trolley support rods (1) and the handrail (12) are on the same plane.

5. The folding cart capable of winding fire hose according to claim 1, wherein: the handrail (12) is fixedly provided with a fixed plate (42), the fixed plate (42) and the handrail (12) are arranged on the same plane, an outer ring of the bearing (41) is fixedly connected with the fixed plate (42), the winding disc (3) and the crank handle (4) are fixedly locked with an inner ring of the bearing (41), and the rotation axis of the bearing (41) is perpendicular to the plane where the fixed plate (42) is arranged;

the crank handle (4) is a folding crank handle.

6. The folding cart capable of winding fire hose according to claim 1, wherein: two guide forks (32) are further arranged on one side of the handrail (12), the guide forks (32) are U-shaped forks with closed front ends, the guide forks (32) are perpendicular to the plane of the handrail (12), and the guide forks (32) are opened towards the front;

the four straight rods of the two guide forks (32) are on the same plane.

7. The folding cart capable of winding fire hose according to claim 5, wherein: the winding motor (5) is fixedly arranged on the fixed plate (42), and a driving shaft of the winding motor (5) is connected with the circle center of the winding disc (3).

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