CN116747476A - Water squeezing device and water band laying vehicle - Google Patents

Abstract

The invention discloses a water squeezing device and a water band laying vehicle, which are used for executing water squeezing operation on a water-proof band and specifically comprise a first water squeezing wheel and a second water squeezing wheel which can move relative to the first water squeezing wheel, wherein when a water band body passes through, a gap between the first water squeezing wheel and the second water squeezing wheel forms a water squeezing channel, and when a water band joint passes through, the second water squeezing wheel moves relative to the first water squeezing wheel, so that the gap between the first water squeezing wheel and the second water squeezing wheel is widened, and a water band joint passes through. When the fire hose is stored, the surplus water in the fire hose can be fully extruded, the hose connector can be ensured to pass through rapidly and smoothly, and the water hose storage efficiency is improved.

Description

Water squeezing device and water band laying vehicle

Technical Field

The invention relates to the field of fire-fighting equipment, in particular to a water squeezing device and a water hose laying vehicle.

Background

Fire hose laying is an important ring in fire-fighting operation, and especially in environments where fire hydrants such as the field or old community are insufficient and large fire-fighting vehicles are difficult to drive in, long-distance fire hose laying is often required to take water from a remote water source for fire-fighting operation.

At present, fire hose laying is mainly carried out by manpower, fire fighters need to bear heavy fire hose, sometimes the hose connector is buckled on site, and after fire operation is finished, the fire fighters need to manually extrude residual water in the hose and coil and store the hose. This not only aggravates the intensity of the fire fighter's operation, but also may delay the valuable time of the fire fighter's operation.

After the water band is laid by the water band laying vehicle, the water band needs to be stored by extruding residual water in the water band, but because of the special structure of the fire hose, each section of water band can be connected through the water band joint, the water extrusion device of the existing water band laying vehicle is difficult to fully extrude the residual water in the fire hose, and the water band joint can be guaranteed to pass through rapidly and smoothly.

Disclosure of Invention

The invention aims to provide a water squeezing device and a water band laying vehicle, which are used for executing water squeezing operation on a fire-fighting water band, and can fully squeeze out residual water in the fire-fighting water band and ensure quick and smooth passing of a water band joint when the fire-fighting water band is stored, so that the water band storage efficiency is improved. The specific technical scheme is as follows:

according to one aspect of the invention, a water squeezing device is provided for performing water squeezing operation on a water-proof belt, the water squeezing device comprises a first water squeezing wheel and a second water squeezing wheel which are fixedly arranged and can move relative to the first water squeezing wheel, a water squeezing channel is formed by a gap between the first water squeezing wheel and the second water squeezing wheel when a water belt body passes through, and a water belt joint moves relative to the first water squeezing wheel when the second water squeezing wheel passes through, so that a water belt joint passes through by widening the gap between the first water squeezing wheel and the second water squeezing wheel.

Further, including the wringing device curb plate, fixed mounting has first water squeezing wheel on the wringing device curb plate, has the wringing arm through first pivot and wringing device curb plate swing joint, is provided with the second water squeezing wheel on the wringing arm, drives the second water squeezing wheel and removes for first water squeezing wheel when the wringing arm rotates.

Further, including locking unit and switch unit, locking unit is used for locking the position of second crowded water wheel when the hosepipe body passes through, and switch unit can control locking unit, opens locking unit when the hosepipe joint passes through.

Further, the locking unit comprises a locking hook and a locking column, the locking hook is connected with the side plate of the wringing device through a second rotating shaft, the locking column is arranged on the wringing arm, and a hook-shaped structure at one end of the locking hook is matched with the locking column to lock the position of the second wringing wheel.

Further, the switch unit comprises a water band joint baffle arranged on the second rotating shaft, the water band joint baffle is arranged at the near end of the water band inlet relative to the locking hook, and the water band joint drives the water band joint baffle to rotate forwards when passing through, so that the locking hook rotates around the second rotating shaft to enable a hook-shaped structure at one end of the locking hook to be separated from the locking column.

Further, a return baffle is arranged on the side plate of the water squeezing device, and the return baffle is arranged at the near end of the water inlet relative to the water joint baffle so as to limit the falling position of the locking hook water joint baffle.

Further, the locking unit comprises electromagnets respectively arranged on the wringing arm and the side plate of the wringing device, the switch unit is an inductive switch arranged at the near end of the water inlet relative to the second wringing wheel, and the inductive switch triggers the electromagnet to be powered off when the water joint passes through.

Further, including connecting the elasticity connecting rod between crowded water arm and crowded water installation curb plate, the elasticity connecting rod sets up the distal end at the hosepipe entry for the crowded water wheel of second, and the elasticity of elasticity connecting rod crowded water arm realizes the position locking of crowded water wheel of second when the hosepipe body passes, and the hosepipe connects the removal of the relative first crowded water wheel of extrusion elasticity connecting rod realization second through the hosepipe when passing.

Further, the front ends of the first water squeezing wheel and the second water squeezing wheel are provided with a tug and a front guide wheel, the tug drags the water band to a gap inlet between the first water squeezing wheel and the second water squeezing wheel, and the front guide wheel is of a roller structure which is arranged left and right and/or up and down so as to limit the water band inlet in a middle channel of the front guide wheel.

In another aspect, the invention provides a water hose laying vehicle, which comprises the water squeezing device.

The invention provides a water squeezing device and a water band laying vehicle, which are used for executing water squeezing operation on a water-proof band and specifically comprise a first water squeezing wheel and a second water squeezing wheel which can move relative to the first water squeezing wheel, wherein when a water band body passes through, a gap between the first water squeezing wheel and the second water squeezing wheel forms a water squeezing channel, and when a water band joint passes through, the second water squeezing wheel moves relative to the first water squeezing wheel, so that the gap between the first water squeezing wheel and the second water squeezing wheel is widened, and a water supply band joint passes through. When the fire hose is stored, the surplus water in the fire hose can be fully extruded, the hose connector can be ensured to pass through rapidly and smoothly, and the water hose storage efficiency is improved.

Drawings

Fig. 1 is a first perspective view of the hose laying vehicle of the present invention.

Fig. 2 is a second perspective view of the hose laying vehicle of the present invention.

Fig. 3 is a perspective view of the hose laying operation main body equipment on the hose laying vehicle in the present invention.

Fig. 4 is a perspective view of a guide device in the present invention.

Fig. 5 is a perspective view of the wringer device of the present invention.

Fig. 6 is an exploded view of a part of the structure of the wringer device in the present invention.

Fig. 7 is a side view of a wringer device according to yet another embodiment of the present invention.

Fig. 8 is a side view of a wringer device according to another embodiment of the present invention.

Detailed Description

The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.

As shown in fig. 1, 2 and 3, the water hose laying vehicle provided by the embodiment of the invention comprises a vehicle main body 4, a guide device 2 is arranged on a carriage of the vehicle main body 4, a water squeezing device 1 is arranged at the front end of the guide device 2, a water hose storage device 3 is arranged at the rear end of the guide device 2, the water squeezing device 1 can squeeze water in a water hose 5, the guide device 2 can drive the water hose 5 to move along the axial direction of the water hose storage device 3, and the water hose 5 is guided to the water hose storage device 3 so as to realize storage of the water hose 5.

The size of the vehicle body 4 of the embodiment of the invention can be selected according to actual needs, for example, the vehicle body 4 of an old community with complex road conditions can be a small-sized vehicle, and the vehicle can conveniently and rapidly lay the water belt 5 in a shuttling manner. For the scene that needs long distance to lay hosepipe 5, the vehicle main part 4 can select the medium-large scale vehicle, and corresponding hosepipe storage device 3 can set up to a plurality ofly, is convenient for long distance to lay hosepipe 4. The water band laying vehicle provided by the embodiment of the invention is particularly suitable for small vehicles, and has the characteristics of miniaturization and flexible action compared with the existing large-sized water band laying vehicle.

Further, the water hose storage device 3 comprises a reel bracket 32 fixedly connected with the carriage and a reel 31 rotatably connected to the reel bracket 32, and the reel 31 is driven to rotate by a reel driving device 33 so as to drive the water hose 5 on the reel 31 to be wound and unwound. The reels 31 are provided on both sides with baffles for defining the axial position of the hose 5 on the reels 31. The reel driving device 33 according to the embodiment of the present invention may be in a form of a combination of a driving motor and a belt, a form of a combination of a driving motor and a gear, or a form of driving the reel 31 to rotate by power of a vehicle driving through a transmission device and other driving modes, and the present invention is not limited in particular.

When laying the hosepipe 5, be connected the hosepipe 5 on with the carriage with fire engine or fire hydrant, the vehicle main part 4 is when traveling forward and is rotated in order to release hosepipe 5 through reel drive arrangement 33 drive reel 31, when hosepipe 5 release length reaches the demand with the joint of hosepipe 5 open can. It should be noted that, the fire hose 5 is usually a section of hose of a fixed length, which includes a hose body and hose connectors at two ends of the hose body, and the section of hose is connected by the hose connectors to form the fire hose 5 of a required length. According to the embodiment of the invention, a section of water hose is received on the reel 31 in advance, and the received water hose 5 is directly pulled out to be connected when the fire-fighting operation is performed, so that precious time is striven for the fire-fighting operation. It should be noted that, the illustrated water band 5 is only used to illustrate the path through which the water band 5 is inserted when the water band 5 is stored, and does not represent the actual water band structure. In a specific embodiment of the invention, a small-sized hose laying vehicle can be used for loading a hose 5 with a length of 1500m, and 20-30 fire fighters often need to bear the hose with a length of 1500m, so that the hose laying vehicle provided by the embodiment of the invention greatly lightens the operation intensity of the fire fighters.

Further, the guide device 2 comprises a guide bracket 21 arranged on the carriage, one or more guide wheels 22 are arranged on the guide bracket 21, a water hose channel is formed between the guide wheels 22 and the guide bracket 21, and the movement direction of the water hose 5 is limited by the water hose channel.

Further, a guide bracket 21 is provided at the top end or side of the vehicle body 4, one end of the guide bracket 21 is fixedly connected to the cabin, and the other end of the guide bracket 21 extends to the head direction.

In one embodiment of the present invention, one end of the guide bracket 21 is fixedly connected to the top end of the cabin, and the other end of the guide bracket 21 extends to the top end of the cabin, so that the water hose 5 can be stored by driving the vehicle forward when the water hose 5 is stored. Naturally, the guide bracket 21 may be provided on the side surface of the vehicle cabin 41, and the water hose 5 is stored by running in a direction parallel to the vehicle when the water hose 5 is stored, so that the visual field of the driver is not affected even when the water hose 5 is stored.

Further, the guide device 2 further comprises an axial movement guide device 23 provided in the carriage, and the axial movement guide device 23 controls the water hose to reciprocate in the axial direction of the reel 31 of the water hose storage device when the water hose is stored, so that the water hose 5 is wound around the reel 31 in the axial direction of the water hose storage device (i.e., the axial direction of the reel).

The axial movement guide 23 of an embodiment of the present invention, as shown in fig. 4, includes an axial rail 231 parallel to the axial direction of the water hose receiving device 3 and a limit guide 232 slidably connected to the axial rail 231, the water hose passes through the inside of the limit guide 232, and the axial movement driving device 233 drives the limit guide 232 to move on the axial rail 231 to drive the water hose 5 to reciprocate along the axial direction of the water hose receiving device 3.

The axial track 231 may be any transmission device such as a synchronous belt, a rack and pinion, a ball screw, etc. configured to drive the limit guide 232 to move under the driving of the axial movement driving device 233. When the hose is stored, the hose 5 can be uniformly wound on the rotating shaft of the reel 31 by limiting the moving speed of the limit guide 232 and the rotating speed of the reel 31.

It should be noted that, in the embodiment of the present invention, the installation positions of the guide bracket 21, the reel 31 and the axial rail 231 are set correspondingly, the reel of the reel 31 may be horizontally installed or vertically installed, when the guide bracket 21 is installed at the top end of the carriage, the reel of the reel 31 is preferably horizontally installed, and when the guide bracket 21 is installed at the side of the carriage, the reel of the reel 31 is preferably vertically installed, so that the problem of excessive resistance caused by excessive bending angle of the water hose 5 can be avoided.

Further, the water band channel is arranged inside the limit guide device 232, the roller is arranged on the side wall, and the water band is contacted with the roller when being taken in, so that the resistance of the water band passing through the limit guide device 232 is reduced when the water band is taken in. In addition, because the spacing guider 232 drives the water band 5 back and forth along the axial reciprocating motion of the water band storage device 3, the relative displacement of the water band 5 and the spacing guider 232 in the axial direction can be necessarily caused in the motion process, and the roller wheels are arranged on the side wall of the spacing guider 232, so that the collision and friction between the water band 5 and the side wall of the frame of the spacing guider 232 can be effectively reduced.

Further, the guide 2 further comprises front and rear side or one side rollers 24 of the axial movement guide 23, the rollers 24 being parallel to the axial guide rail 231 of the axial movement guide 23 to provide vertical support for the hose 5. Reduce the resistance when the hosepipe is accomodate. The length of the drum 24 is preferably comparable to the axial length of the spool 31 to provide vertical support of the spool 31 in the entire axial direction.

The water hose laying vehicle comprises a vehicle main body, wherein a guide device 2 is arranged on a carriage of the vehicle main body, a water squeezing device 1 is arranged at the front end of the guide device 2, a water hose 5 accommodating device 3 is arranged at the rear end of the guide device 2, the water squeezing device 1 can squeeze water in the water hose 5, the guide device 2 can drive the water hose 5 to move along the axial direction of the water hose accommodating device 3, and the water hose 5 is guided to the water hose accommodating device 3 so as to accommodate the water hose. The water hose laying vehicle provided by the invention can be used for laying and picking up the water hose rapidly when a fire fighter executes fire-fighting operation, is favorable for taking water from a remote water source to execute fire-fighting operation, is very suitable for firing in old communities and forests, and can be used for reducing the operation intensity of the fire fighter.

Further, the water hose laying vehicle according to the embodiment of the present invention further includes a water squeezing device 1 of the following embodiment, as shown in fig. 5 and 6, the water squeezing device 1 of the embodiment of the present invention is configured to perform a water squeezing operation on the water hose 5, and includes a first water squeezing wheel 12 fixedly disposed and a second water squeezing wheel 13 movable relative to the first water squeezing wheel 12, when the water hose body passes through a gap between the first water squeezing wheel 12 and the second water squeezing wheel 13, a water squeezing channel is formed to squeeze water in the water hose 5, and when the water hose joint passes through the gap between the first water squeezing wheel 12 and the second water squeezing wheel 13, the second water squeezing wheel 13 moves relative to the first water squeezing wheel 12, so that the water hose joint passes through the gap between the first water squeezing wheel 12 and the second water squeezing wheel 13.

Further, the wringing device 1 specifically includes a wringing device side plate 11, a first wringing wheel 12 is fixedly installed on the wringing device side plate 11, a wringing arm 14 is movably connected with the wringing device side plate 11 through a first rotating shaft 141, a second wringing wheel 13 is arranged on the wringing arm 14, and the wringing arm 14 drives the second wringing wheel 13 to move relative to the first wringing wheel 11 when rotating.

When the water band 5 is squeezed out, the residual water in the water band 5 is squeezed out by utilizing the dead weight of the second water squeezing wheel 14, and when the water band joint passes through, the gap between the first water squeezing wheel 12 and the second water squeezing wheel 13 is increased by driving the second water squeezing wheel 13 to rotate around the first rotating shaft 141 so as to pass through the water band joint.

After the water band joint passes through, the second water squeezing wheel 14 is enabled to quickly return to the upper end of the first water squeezing wheel 12 under the action of the self weight of the second water squeezing wheel 13, so that the water squeezing operation of the water band 5 is realized. It will be appreciated that an elastic member is also provided between the first shaft 141 and the wringer side plate 11 to urge the second wringer wheel 13 to fall back quickly to the upper end of the first wringer wheel 12 after the hose joint passes. The elastic piece can be a torsion spring, and the second water squeezing wheel 13 is driven by the water squeezing arm 14 to rotate, so that water squeezing operation can be continuously and uninterruptedly performed on the water band, and the water squeezing efficiency is improved.

Further, the wringing device 1 further comprises a locking unit and a switching unit, wherein the locking unit is used for locking the position of the second wringing wheel when the water hose body passes through, the switching unit can control the locking unit, and the locking unit is opened when the water hose joint passes through.

Specifically, the constant squeezing pressure is provided to the water hose by locking the position of the squeezing arm 14 to define a gap between the first squeezing wheel 12 and the second squeezing wheel 13 when the water hose body passes through the squeezing device 1. When the water joint passes through the wringing device 1, the wringing arm locking device is triggered to be opened so as to be locked at the position contacting the wringing arm 14, and the wringing arm 14 is driven by the water joint to rotate around the first rotating shaft 141 so that the water joint passes through the wringing device 1. The locking unit and the switch unit form the wringing arm locking device, and the water supply belt 5 can continuously pass through the wringing device 1 on the premise of fully squeezing water in the water belt body, so that the wringing efficiency is improved.

In one embodiment of the present invention, as shown in fig. 5 and 6, the locking unit includes a locking hook 15 and a locking post 142, the locking hook 15 is connected to the side plate 11 of the wringing device through a second rotating shaft 152, the locking post 142 is disposed on the wringing arm 14, and a hook structure 151 at one end of the locking hook 15 cooperates with the locking post 142 to lock the position of the second wringing wheel 13.

Further, the switch unit includes a hose connector baffle 16 disposed on the second rotating shaft 152, where the hose connector baffle 16 is disposed at a proximal end of the hose inlet with respect to the locking hook 15, and the hose connector drives the hose connector baffle 16 to rotate forward when passing through, so that the locking hook 15 rotates around the second rotating shaft 152 to disengage the hook structure 151 at one end of the locking hook 15 from the locking post 142, so as to contact the locking state of the locking hook 151 and the locking post 142, and make the hose connector pass through the wringer 1 smoothly. The water inlet in the embodiment of the invention is the inlet position of the water belt 5 when entering the wringing device 1.

Further, a return baffle 17 is further disposed on the side plate 11 of the wringing device, and the return baffle 17 is disposed at a proximal end of the water inlet with respect to the water joint baffle 16, so as to define a falling position of the water joint baffle 16. In addition, an elastic member is further disposed between the second shaft 152 and the side plate 11 of the wringer device, so as to enable the locking hook 15 to fall back quickly after the hose connector passes through the wringer device 1, wherein the elastic member may be a torsion spring.

Further, the front ends of the first water squeezing wheel 12 and the second water squeezing wheel 13 are also provided with a tug 111 for pulling the water hose 5 to the gap entrance between the first water squeezing wheel 12 and the second water squeezing wheel 13. When accomodating the hosepipe, drag the hosepipe near the clearance between first crowded water wheel 12 and the crowded water wheel 13 of second, accomodate the hosepipe and play certain cushioning effect, reduce the hosepipe and directly pass through the resistance that first crowded water wheel and second crowded water wheel produced.

Further, front guide wheels 112 are further arranged at the front ends of the first water squeezing wheel 12 and the second water squeezing wheel 13, the front guide wheels 112 are connected to the side plates 11 of the water squeezing device through connecting seats, and the front guide wheels 112 of the front guide wheels 112 are of roller structures which are arranged left and right and/or up and down so as to limit the water inlet in the middle channel of the front guide wheels 112. So as to limit the water band to the space between the first water squeezing wheel and the second water squeezing wheel before the water band enters the gap between the first water squeezing wheel 12 and the second water squeezing wheel 13. In a preferred embodiment of the invention, the front guide wheel 112 is closer to the proximal end of the hose inlet than the tug 111.

A still further embodiment of the wringer arm locking device of the present invention is shown in fig. 7, wherein the locking unit comprises electromagnets 19 respectively provided on the wringer arm 14 and the wringer side plate 11, and the switching unit is a sensor switch provided at the proximal end of the water inlet with respect to the second wringer wheel 13, the sensor switch triggering the electromagnets to be powered off when the water pipe joint passes. In addition, the inductive switch can also be a laser inductive switch, when the water band joint passes through the laser inductive switch, the electromagnet 19 is powered off by the action of the laser inductive switch, and the water squeezing arm 14 rotates to enable the water band joint to pass through.

As shown in fig. 8, the wringing arm locking device of a further embodiment of the present invention includes an elastic connecting rod 18 connected between the wringing arm 14 and the side plate 11 of the wringing device, the elastic connecting rod 18 is disposed at a distal end of the water inlet with respect to the second wringing wheel 13, when the water belt body passes through, the elastic force of the elastic connecting rod 18 squeezes the wringing arm 14 to lock the position of the second wringing wheel 13, and when the water belt joint passes through, the movement of the second wringing wheel 13 with respect to the first wringing wheel 12 is achieved by the water belt joint squeezing the elastic connecting rod 18.

The water squeezing device provided by the invention specifically comprises a first water squeezing wheel 12 and a second water squeezing wheel 13 which are fixedly arranged and can move relative to the first water squeezing wheel 12, when a water belt body passes through, a water squeezing channel is formed by a gap between the first water squeezing wheel 12 and the second water squeezing wheel 13, and when a water belt joint passes through, the second water squeezing wheel 13 moves relative to the first water squeezing wheel 12, so that the gap between the first water squeezing wheel 12 and the second water squeezing wheel 13 is widened, and the water belt joint passes through. When the fire hose is stored, the surplus water in the fire hose can be fully extruded, the hose connector can be ensured to pass through rapidly and smoothly, and the water hose storage efficiency is improved.

The invention has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the invention, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments. The individual technical features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present invention are not described in detail.

If directional indications (such as up, down, left, right, front, and rear … …) are involved in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture is changed, the directional indications are correspondingly changed.

Claims (10)

1. The utility model provides a water squeezing device for carry out water squeezing operation to the waterproof tape, a serial communication port, including fixed first water squeezing wheel that sets up and can be for the second water squeezing wheel that first water squeezing wheel removed, the gap in the middle of first water squeezing wheel and the second water squeezing wheel forms the water squeezing passageway when the hosepipe body passes through, and the second water squeezing wheel removes for first water squeezing wheel when the hosepipe connects to pass for the gap widening water supply tape joint passes in the middle of first water squeezing wheel and the second water squeezing wheel.

2. The wringing device of claim 1, comprising a wringing device side plate, wherein the wringing device side plate is fixedly provided with a first wringing wheel, a wringing arm is movably connected with the wringing device side plate through a first rotating shaft, a second wringing wheel is arranged on the wringing arm, and the wringing arm drives the second wringing wheel to move relative to the first wringing wheel when rotating.

3. The wringing device of claim 2, comprising a locking unit for locking the position of the second wringing wheel when the hose body passes, and a switch unit which can control the locking unit to open the locking unit when the hose connector passes.

4. A wringing device according to claim 3, wherein the locking unit comprises a locking hook and a locking post, the locking hook is connected with the side plate of the wringing device through a second rotating shaft, the locking post is arranged on the wringing arm, and a hook-shaped structure at one end of the locking hook is matched with the locking post to lock the position of the second wringing wheel.

5. The wringing device of claim 4, wherein the switch unit comprises a hose connector baffle disposed on the second axis of rotation, the hose connector baffle disposed at a proximal end of the hose inlet with respect to the locking hook, the hose connector passing through to drive the hose connector baffle to rotate forward, causing the locking hook to rotate about the second axis of rotation to disengage the hook-like structure at one end of the locking hook from the locking post.

6. The wringing device of claim 5, wherein the wringing device side panel is provided with a return flap disposed at a proximal end of the water inlet relative to the water joint flap to define a return position of the water joint flap.

7. A wringing device according to claim 3, wherein the locking unit comprises electromagnets provided on the wringing arm and the wringing device side panel respectively, and the switch unit is an inductive switch provided at the proximal end of the water inlet relative to the second wringing wheel, the inductive switch triggering the electromagnet to be de-energized when the water connection passes.

8. The wringing device of claim 2, comprising an elastic connecting rod connected between the wringing arm and a side plate of the wringing device, the elastic connecting rod being disposed at a distal end of the water inlet with respect to the second wringing wheel, the elastic wringing arm of the elastic connecting rod realizing position locking of the second wringing wheel when the water belt body passes through, and the second wringing wheel realizing movement of the second wringing wheel with respect to the first wringing wheel by the elastic connecting rod being squeezed by the water belt joint when the water belt joint passes through.

9. The wringing device of claim 1, wherein front ends of the first wringing wheel and the second wringing wheel are provided with a tug wheel and a front guide wheel, the tug wheel drags the water band to a gap inlet between the first wringing wheel and the second wringing wheel, and the front guide wheel is a roller structure which is arranged left and right and/or up and down so as to limit the water band inlet in a middle channel of the front guide wheel.

10. A hose laying vehicle comprising a wringing device according to any one of claims 1 to 9.