CN220684341U - Water pipe winding and unwinding structure, high-pressure water mist unit and fire-fighting rescue vehicle - Google Patents

Abstract

The utility model discloses a water pipe collecting and releasing structure, a high-pressure water mist unit and a fire rescue vehicle, which comprise a collecting and releasing mechanism, a wire arranging mechanism and a power assisting mechanism, wherein the collecting and releasing mechanism comprises a collecting and releasing roller and a motor I for driving the collecting and releasing roller to rotate, and the collecting and releasing roller is provided with a water pipe in a rolling manner; the wire arranging mechanism comprises a wire arranging frame and a driving mechanism for driving the wire arranging frame to reciprocate along the length direction of the winding and unwinding roller; the power assisting mechanism is used for driving the water pipe to move; the driving mechanism comprises a reciprocating screw rod, a guide rail and a transmission structure, wherein the transmission mechanism is used for transmitting the rotation of the winding and unwinding roller to the reciprocating screw rod.

Description

Water pipe winding and unwinding structure, high-pressure water mist unit and fire-fighting rescue vehicle

Technical Field

The utility model relates to the technical field of fire rescue, in particular to a water pipe retraction structure, a high-pressure water mist unit and a fire rescue vehicle.

Background

Under special disaster relief environments such as forest fires, fire-fighting vehicles can not directly reach a fire scene, therefore, water pipes are required to be prolonged by using a water pipe winding machine (a water pipe winding machine), rescue is carried out, in order to realize remote rescue, the length of the prepared water pipes can reach 50-200 meters, the water pipe winding machine on the market is unpowered, rescue workers hardly drag the water pipes to an effective fire-extinguishing place quickly under the influence of the weight of the water pipes and the rotation resistance of the winding machine, and the physical power consumption of the rescue workers is very high, so that rescue is not in time, although the water pipe winding machine driven by a motor is still available on the market, the motor and the rescue workers can not be matched well in the actual use process, because the rescue workers are easy to influence of the terrain environment, the speed of dragging the water pipes is quick, and the rotation speed of the motor output can not be adjusted in a self-adaptive manner, and the method is as follows:

1. if the motor is preset to be slower in rotating speed, the speed of the front half section of the rescue worker is higher than that of the rear half section, and in the process of dragging the water pipe in the front half section (especially in the section just at the beginning), the physical strength of the rescue worker is sufficient, the speed is higher than that of the water pipe winding machine, and the power assisting effect of the motor is not great at the moment, so that the speed of the rescue worker is influenced;

2. if the motor is preset to be high in rotating speed, the second half section of the rescue personnel is influenced by force or topography, the speed is low, the speed of the water pipe is high, the water pipe is not pulled away rapidly, the water pipe is broken in the water pipe winding machine, the water pipe is messy and even is wound up, if the water pipe is managed, the rescue time is delayed, if the water pipe is not managed, the effective length of the water pipe is greatly reduced, the preset fire extinguishing point can not be reached, and the rescue work is not facilitated;

therefore, how to enable fire rescue workers to realize quick and effective remote rescue is a difficult problem which must be solved by the fire rescue industry.

Disclosure of Invention

The utility model provides a water pipe retraction structure, a high-pressure water mist unit and a fire rescue vehicle, which can at least solve one problem pointed out in the background art.

A water pipe retrieving and releasing structure, comprising:

the winding and unwinding mechanism comprises a winding and unwinding roller and a motor I for driving the winding and unwinding roller to rotate, and a water pipe is wound on the winding and unwinding roller;

the wire arranging mechanism comprises a wire arranging frame and a driving mechanism for driving the wire arranging frame to reciprocate along the length direction of the winding and unwinding roller; and

and the power assisting mechanism is used for driving the water pipe to move.

The driving mechanism comprises a reciprocating screw rod, a guide rail and a transmission structure, wherein the transmission structure is used for transmitting the rotation of the winding and unwinding roller to the reciprocating screw rod, a sliding block matched with the reciprocating screw rod is arranged on the reciprocating screw rod, the sliding block is connected with the wire arranging frame, and a through groove matched with the guide rail is formed in the sliding block.

The assist mechanism includes:

the power-assisted bracket is connected with the wire arranging mechanism;

the two grooved wheels are both rotatably arranged on the power-assisted bracket, and a gap capable of accommodating a water pipe is arranged between the two grooved wheels;

and the second motor is used for driving one of the grooved wheels to rotate so as to drive the water pipe to move.

The helping hand mechanism includes two helping hand roller subassemblies and drive assembly, two helping hand roller subassemblies all slope sets up in the reason line frame, helping hand roller subassembly includes:

the rotating shaft is rotatably arranged in the wire arranging frame; and

the pinch roller is arranged on the rotating shaft in a sliding manner;

two limiting plates respectively positioned above and below the pinch roller are further arranged on the rotating shaft, springs are arranged between the two limiting plates and the pinch roller, a sensor unit is further arranged on one side, close to the pinch roller, of the limiting plate, and the sensor unit is used for detecting the position of the pinch roller;

the transmission assembly is used for driving one of the power-assisted roller assemblies to rotate.

The guide rail is provided with grooves, one end part of the rotating shaft stretches into the grooves and is connected with a gear, and the transmission assembly comprises:

the gear;

the two rack plates are symmetrically arranged on two sides of the gear;

the lifting unit is used for respectively driving the two rack plates to lift;

under the effect of the lifting unit, the gear is meshed with one of the rack plates, and the rotation direction of the gear is unchanged in the reciprocating movement process of the wire arranging frame.

Proximity switches are arranged at two ends of the groove and used for driving the lifting unit to enable one rack plate to ascend and the other rack plate to descend;

the proximity switch is positioned outside the stroke of the gear, and when the gear moves to a position for triggering the proximity switch, the gear and the rack plate are in a separated state.

The utility model provides a high pressure water mist unit, includes the water pipe and receive and releases the structure, still includes water tank and water pump, water pump and the last water pipe intercommunication of water pipe receive and releases the structure can be with in the water pump water inlet pipe in the water tank.

The fire rescue vehicle comprises a high-pressure water mist unit, a vehicle body, a chassis and a functional compartment, wherein a quick-dismantling structure is arranged on the chassis and is used for replacing the functional compartment;

the high-pressure water mist unit is arranged on the functional compartment;

still be provided with water pipe steering mechanism on the function railway carriage or compartment, water pipe steering mechanism includes:

the bogie body is fixedly arranged on the functional compartment;

the steering arm is arranged on the steering frame body and comprises two plate bodies and a guide wheel arranged between the two plate bodies, and pin shafts I are inserted into the end parts of the two plate bodies.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the power assisting mechanism, so that the situation that a water pipe is broken due to the fact that a rescuer cannot pull away the water pipe in time due to various reasons can be effectively prevented when the water pipe is output by the folding structure, the fire rescue work can be smoothly carried out, and the rescuer can rescue in a long distance.

Drawings

FIG. 1 is a schematic view of a retractable structure according to the present utility model;

FIG. 2 is a schematic view of a receiving structure according to another embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of a booster mechanism of a second embodiment of the present utility model;

FIG. 4 is a side view of a booster mechanism according to a second embodiment of the present utility model;

FIG. 5 is a schematic view of a power roller assembly according to a second embodiment of the present utility model;

FIG. 6 is a schematic structural view of a high-pressure water mist unit according to the present utility model

FIG. 7 is a schematic view of the rescue vehicle of the present utility model;

FIG. 8 is a schematic view of the water pipe steering mechanism of the rescue vehicle of the present utility model;

fig. 9 is a partial enlarged view at a of fig. 8.

Reference numerals illustrate:

the device comprises a first collecting and releasing roller, a first 2-motor, a first 3-water pipe, a 4-reciprocating screw rod, a 5-sliding block, a 6-wire arranging frame, a 7-guide rail, a 8-chassis, a 9-function box, a 10-car body, a 11-power assisting support, a 12-sheave, a second 13-motor, a 21-rotating shaft, a 22-pinch roller, a 23-limiting plate, a 24-spring, a 25-sensor unit, a 31-groove, a 32-gear, a 33-rack plate, a 41-bogie body, a 42-steering arm, a 43-guide wheel, a 44-pin first, a 45-pin second, a 46-pin third, a 51-water tank and a 52-water pump.

Detailed Description

One embodiment of the present utility model will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present utility model is not limited by the embodiment.

Example 1

As shown in fig. 1 to 2, the water pipe winding and unwinding structure provided by the embodiment of the utility model comprises a winding and unwinding mechanism, a winding and unwinding roller 1, a water pipe 3 and a wire arranging mechanism, wherein the winding and unwinding mechanism comprises a winding and unwinding roller 1 rotatably arranged on a functional compartment 9, the winding and unwinding roller 1 is driven by a motor 1, the water pipe 3 is wound on the winding and unwinding roller 1, and the wire arranging mechanism comprises a wire arranging frame 6 and a driving mechanism for driving the wire arranging frame 6 to reciprocate along the length direction of the winding and unwinding roller;

as shown in fig. 1 and 2, the driving mechanism adopts a screw driving mode, and comprises a reciprocating screw 4, a guide rail 7 and a transmission structure, wherein the transmission structure is used for transmitting the rotation of the winding and unwinding roller 1 to the reciprocating screw 4, and can be a chain transmission structure which comprises two chain wheels respectively arranged on the reciprocating screw 4 (at a part without threads) and the winding and unwinding roller 1 and a chain arranged on the two chain wheels, and the transmission ratio of the chain transmission structure can be set according to actual conditions;

the reciprocating screw rod 4 is provided with a sliding block 5 matched with the reciprocating screw rod, the sliding block 5 is connected with the wire arranging frame 6, and the sliding block 5 is provided with a through groove matched with the guide rail 7, so that the wire arranging frame 6 can reciprocate in the rotating process of the reciprocating screw rod 4;

the wire management frame 6 of the embodiment is provided with a plurality of guiding wheels for guiding the water pipe 3;

in order to facilitate the rescue personnel to pull the water pipe 3, the embodiment also comprises a power assisting mechanism for driving the water pipe to move, and the wire arranging mechanism is connected with the power assisting mechanism and specifically comprises a power assisting bracket 11, two grooved wheels 12 and a motor II 13;

the power-assisted bracket 11 is connected with the wire arranging mechanism, the two grooved wheels 12 are both rotatably arranged on the power-assisted bracket 11, a gap capable of containing a water pipe is formed between the two grooved wheels 12, the grooved wheels 12 which are not connected with the motor II 13 are arranged on the power-assisted bracket 11 through a sliding locking structure, as shown in fig. 1, a chute is formed in the power-assisted bracket 11, a central shaft of the grooved wheels 12 slides in the chute and can be locked through a locking piece, the locking piece can be a bolt, and the grooved wheels 12 are rotatably arranged on the central shaft;

the motor II 13 can drive one of the grooved wheels 12 to rotate so as to drive the water pipe 3 between the two grooved wheels 12 to move, when the water pipe 3 is discharged, the speed of the motor II 13 for pulling the water pipe 3 is not lower than the speed of the winding and unwinding roller 1 for outputting the water pipe 3, and when the water pipe 3 is wound, the motor II 13 does not work;

can drive water pipe 3 through the assist drive of this embodiment and remove to when the speed that receive and release roller 1 carried the water pipe is greater than the moving speed that the relief person pulled water pipe 3, can pull out water pipe 3, avoid water pipe "fried line", prevent that water pipe 3 from appearing in disorder even the condition of intertwining between receive and release roller 1 and reason line mechanism, effectively improve rescue efficiency.

Example two

As shown in fig. 3 to 5, since the first booster mechanism of the embodiment has some problems to be solved, the first booster mechanism of the embodiment adopts another booster mechanism on the basis of the first booster mechanism of the embodiment, and the first booster mechanism of the embodiment can prevent the water pipe from being "blasted" but pull out the water pipe all the time, and under the condition that the rescue personnel is at a slower speed, a plurality of water pipes are stacked on the front side of the retraction structure, and the later water pipe can press the first water pipe, so that the water pipe is pressed, the rescue personnel is at a farther position, the resistance is larger, and the dragging is difficult, and the booster mechanism of the embodiment is as follows:

the power-assisted mechanism comprises two power-assisted roller assemblies and a transmission assembly, the transmission assembly is used for driving one power-assisted roller assembly to rotate, the two power-assisted roller assemblies are obliquely arranged in the wire arranging frame (the wire arranging frame is not necessarily inclined, the inclined wire arranging frame is taken as an example in the embodiment), the included angle between the power-assisted roller assemblies and the horizontal plane can be 2 degrees to 20 degrees, the power-assisted roller assemblies are specifically arranged according to practical conditions, the power-assisted roller assemblies take 5 degrees as an example, and each power-assisted roller assembly comprises a rotating shaft 21 which is rotatably arranged in the wire arranging frame and a pressing wheel 22 which is slidably arranged on the rotating shaft; the rotating shaft 21 is also provided with two limiting plates 23 respectively positioned above and below the pinch roller 22, springs 24 are arranged between the two limiting plates 23 and the pinch roller 22, one side of the limiting plate 23, which is close to the pinch roller 22, is also provided with a sensor unit 25, and the sensor unit 25 is used for detecting the position of the pinch roller 22;

the sensor unit 25 functions in particular as follows: when the water pipe 3 is pulled, because the booster roller assembly is inclined, a force for enabling the pinch roller 22 to move upwards along the rotating shaft 21 is generated, when the water pipe 3 is not pulled, the pinch roller 22 is positioned at the middle position, the rotating shaft 21 of the embodiment is provided with a convex strip-shaped structure, the pinch roller 22 is provided with a corresponding sliding groove, so that the pinch roller 22 can move upwards and downwards on the rotating shaft 21 while rotating along with the rotating shaft 21, the position generated when the water pipe is pulled causes the pinch roller 22 to move upwards, at the moment, the rescue personnel is pulling the water pipe to move, the speed is higher, the speed is close to the speed of the output water pipe of the winding roller 1, the sensor unit 25 can be a distance sensor, a signal is sent to the controller after the movement of the pinch roller 22 is detected to reach the preset early warning position, the controller controls the motor to lift the rotating speed of the motor at the same time, the signal transmission and the controller are not in the prior art, the speed of the pinch roller 22 is increased along with the increase of the movement distance of the pinch roller 22, the motor is switched to the high power back to the preset position or the actual power is stopped after the preset position is switched to the high power, and the power is gradually stopped to the high power is matched with the actual power of the water pipe, and the high power is stopped to the high power mode;

specifically, the guide rail 7 is provided with a groove 31, one end of the rotating shaft 21 extends into the groove 31 and is connected with a gear 32, and the transmission assembly includes: the gear 32, two rack plates 33 symmetrically arranged on two sides of the gear 32, and a lifting unit for respectively driving the two rack plates 33 to lift;

under the action of the lifting unit, the gear 32 is engaged with one of the rack plates 33, so that the rotation direction of the gear 32 is unchanged during the reciprocating movement of the wire management frame.

In addition, proximity switches are arranged at both ends of the groove 31, the proximity switches are used for driving the lifting unit, when the gear 32 reaches the triggering area of the proximity switches, one rack plate 33 is lifted, and the other rack plate 33 is lowered; the proximity switch is located outside the stroke of the gear 32, and when the gear 32 moves to a position for triggering the proximity switch, the gear 32 and the rack plate 33 are in a separated state (i.e. the length of the rack plate 33 is smaller than that of the single stroke of the gear 32, although the pinch roller 22 is not in a rotating state at this time, the influence on the water pipe pulled by the rescue personnel is not great under the action of inertia), and the proximity switch is not shown in the figure;

in addition, the state of the first motor is related to the rotation direction of the gear 32, when the first motor is in the state of winding the water pipe, no matter which direction the wire management frame moves to, the rotation direction of the gear 32 is inward, when the first motor is in the state of discharging the water pipe, the rotation direction of the gear 32 is outward, and the rotation direction of the gear 32 is realized by selecting one rack plate 33 through a lifting unit, in this embodiment, the lifting unit is an air cylinder, namely, at least one air cylinder is arranged on the lower side of the rack plate 33.

Example III

As shown in fig. 6, this embodiment proposes a high-pressure water mist unit, which further includes a water tank 51 and a water pump 52 on the basis of the first embodiment or the second embodiment, wherein the water pump 52 is communicated with a water pipe on the water pipe receiving and releasing structure, and is capable of pumping water in the water tank 51 into the water pipe, the high-pressure water mist unit is mounted on the functional compartment 9, and in this embodiment, the functional compartment 9 is in a base structure in fig. 6.

Example IV

As shown in fig. 7-9, this embodiment proposes a fire-fighting and rescue vehicle, including the high-pressure water mist unit of the third embodiment, further including a vehicle body 10, a chassis 8 and a functional compartment 9, wherein the chassis 8 is provided with a quick-release structure, the quick-release structure is used for replacing different functional compartments, the quick-release structure is specifically a plurality of pins arranged on the periphery of the chassis 8, the functional compartment 9 is provided with a plurality of corresponding pin sleeves so as to fix, thereby the fire-fighting and rescue vehicle can be replaced with different functional compartments, the functional compartment includes a common truck compartment, a base for bearing the high-pressure water mist unit or other types of compartments, the function of transporting materials can be realized when the common truck compartment is replaced, and the fire-fighting and rescue function can be realized when the base of the high-pressure water mist unit is installed;

because the fire scene is not necessarily behind the tail of the vehicle, and possibly in front of the vehicle, through actual use, the water pipe is found to be clamped at the wheels if the water pipe is pulled to the front of the vehicle, and therefore, the functional compartment 9 is also provided with a water pipe steering mechanism, the water pipe steering mechanism comprises a steering frame body 41 and a steering arm 42 hinged on the steering frame body 41, and the steering frame body 41 is fixedly arranged on the functional compartment 9; the steering arm 42 comprises two plate bodies and a guide wheel 43 arranged between the two plate bodies, the end parts of the two plate bodies are also provided with a pin shaft I44 in an inserted manner, the pin shaft I44 which is used for limiting the water pipe 3 can be arranged between the pin shaft I44 and the guide wheel 43 through the pin shaft I44, the water pipe is prevented from falling off, in addition, the steering frame 41 is also provided with a pin shaft II 45 and a pin shaft III 46, the pin shaft III 46 and the pin shaft II 45 respectively correspond to the initial position and the unfolding position of the steering arm, and the steering arm 42 is also correspondingly provided with a limiting hole, so that the water pipe 3 can be prevented from being blocked by the box body or the wheel of a vehicle, the problems are reduced, and the rescue efficiency is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. A water pipe winding and unwinding structure, characterized by comprising:

the winding and unwinding mechanism comprises a winding and unwinding roller and a motor I for driving the winding and unwinding roller to rotate, and a water pipe is wound on the winding and unwinding roller;

the wire arranging mechanism comprises a wire arranging frame and a driving mechanism for driving the wire arranging frame to reciprocate along the length direction of the winding and unwinding roller; and

the power assisting mechanism is used for driving the water pipe to move;

the driving mechanism comprises a reciprocating screw rod, a guide rail and a transmission structure, wherein the transmission structure is used for transmitting the rotation of the winding and unwinding roller to the reciprocating screw rod, a sliding block matched with the reciprocating screw rod is arranged on the reciprocating screw rod, the sliding block is connected with the wire arranging frame, and a through groove matched with the guide rail is formed in the sliding block.

2. A water hose retraction structure according to claim 1 wherein said assistance mechanism comprises:

the power-assisted bracket is connected with the wire arranging mechanism;

the two grooved wheels are both rotatably arranged on the power-assisted bracket, and a gap capable of accommodating a water pipe is arranged between the two grooved wheels;

and the second motor is used for driving one of the grooved wheels to rotate so as to drive the water pipe to move.

3. The water pipe winding and unwinding structure according to claim 1, wherein said booster mechanism comprises two booster roller assemblies and a transmission assembly, both said booster roller assemblies being disposed obliquely in a wire management frame, said booster roller assemblies comprising:

the rotating shaft is rotatably arranged in the wire arranging frame; and

the pinch roller is arranged on the rotating shaft in a sliding manner;

two limiting plates respectively positioned above and below the pinch roller are further arranged on the rotating shaft, springs are arranged between the two limiting plates and the pinch roller, a sensor unit is further arranged on one side, close to the pinch roller, of the limiting plate, and the sensor unit is used for detecting the position of the pinch roller;

the transmission assembly is used for driving one of the power-assisted roller assemblies to rotate.

4. A water pipe retraction structure according to claim 3 wherein said guide rail is provided with grooves, wherein one end of said shaft extends into said groove and is connected with a gear, said transmission assembly comprising:

the gear;

the two rack plates are symmetrically arranged on two sides of the gear;

the lifting unit is used for respectively driving the two rack plates to lift;

under the effect of the lifting unit, the gear is meshed with one of the rack plates, and the rotation direction of the gear is unchanged in the reciprocating movement process of the wire arranging frame.

5. The water pipe retraction structure according to claim 4 wherein proximity switches are provided at both ends of the recess, the proximity switches being used to drive the lifting unit such that one rack board is lifted and the other rack board is lowered;

the proximity switch is positioned outside the stroke of the gear, and when the gear moves to a position for triggering the proximity switch, the gear and the rack plate are in a separated state.

6. A high-pressure water mist unit comprising the water pipe collecting and releasing structure according to any one of claims 1 to 5, and further comprising a water tank and a water pump, wherein the water pump is communicated with the water pipe on the water pipe collecting and releasing structure and can pump the water in the water tank into the water pipe.

7. A fire rescue vehicle comprising the high-pressure water mist unit of claim 6, and further comprising a vehicle body, a chassis and functional cabins, wherein the chassis is provided with a quick-dismantling structure for replacing different functional cabins;

the high-pressure water mist unit is arranged on the functional compartment;

still be provided with water pipe steering mechanism on the function railway carriage or compartment, water pipe steering mechanism includes:

the bogie body is fixedly arranged on the functional compartment;

the steering arm is arranged on the steering frame body and comprises two plate bodies and a guide wheel arranged between the two plate bodies, and pin shafts I are inserted into the end parts of the two plate bodies.