Rear hanging type lifting water hose trailer of fire fighting truck

By designing a push-down garage and automated water belt reel on the fire truck rear hanging water belt trailer, the problems of messy water belts and low operating efficiency in the existing water belt trailer are solved, and the automatic collection and storage of water belts are realized, which improves the efficiency and safety of fire operations.

CN222871228UActive Publication Date: 2025-05-16白山市浑江区消防救援大队
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Patent Information

Application Number
CN202421699859.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-05-16
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

In actual application, existing hose trailers have problems such as the fire hose being chaotic, easy to wrap and wear, resulting in poor fire extinguishing effect, and the car body weight after storage is large and the manpower operation efficiency is low.

Method used

A fire truck rear-mounted lift hoist trailer is designed, using a push-down garage and a cylinder-driven lift, combined with an automated water belt reel and a transmission motor to realize automatic collection and storage of water belts.

Benefits of technology

Through the automated water belt reel and transmission motor, the automatic collection and release of water belts is realized, manpower is saved, the orderly storage and transportation of fire water belts is ensured, and the efficiency and safety of fire protection operations are improved. At the same time, the push-down garage design makes the storage and pick-up of water-belt trailers more convenient and quick, and can be operated by a single person.

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Abstract

The utility model discloses a fire fighting truck rear hanging type lifting water hose trailer which comprises a push-down garage and a water hose trailer, the push-down garage comprises a mounting plate, the mounting plate is connected with a garage shell, the garage shell is connected with an air cylinder and an air cylinder control switch, a downward moving connecting plate and a carrying plate are arranged in the garage shell, the downward moving connecting plate is connected with the carrying plate through a supporting connecting rod, and the carrying plate is connected with the water hose trailer. The supporting connecting rod is connected with a positioning abutting plate, the positioning abutting plate is provided with an inserting groove and a lock hole, and a lock rod is inserted into the lock hole in a threaded mode. The water hose trailer comprises a trailer body, the trailer body is connected with pulleys, a telescopic pull rod, a positioning insertion plate, a partition plate, a motor control switch, a transmission motor and a mobile power source, the partition plate is connected with a transmission part, the transmission part is connected with a water hose winding drum, the water hose winding drum is connected with a positioning support, and the transmission motor is connected with the transmission part through a transmission belt. The device has the beneficial effects that manpower is saved, the fire hose is stored and transported in order, the fire-fighting operation efficiency and safety are improved, the operation workload is small, and the operation working efficiency is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a rear-hung lifting hose trailer for a fire fighting vehicle. Background Art

[0002] In the field of firefighting, fire hoses are an important tool for delivering fire extinguishing media. The effective transportation and storage of fire hoses are crucial to the success of firefighting operations. Fire hoses are generally stored in hose trailers for transportation and storage. Existing hose trailers include Figure 1 As shown, the vehicle body includes a pulley connected to the bottom of the vehicle body and a handle connected to one side of the vehicle body. Although the existing hose trailer can complete the transportation and storage of fire hoses, the existing hose trailer still has some problems in practical application, as follows:

[0003] The placement of fire hoses on the hose trailer is often disorderly, which can easily lead to entanglement, knotting and wear of the fire hoses. This not only increases the difficulty of deploying the fire hoses in emergency use, but also may affect the firefighting effect due to damage to the fire hoses, and even cause serious consequences such as failure to supply water normally at critical moments;

[0004] Furthermore, the hose trailer after storing the fire hose is heavy, and placing the hose trailer on the fire truck or removing the hose trailer from the fire truck manually requires the cooperation of multiple firefighters, resulting in heavy workload and low operating efficiency.

[0005] In summary, the existing hose trailers are no longer able to meet the requirements of modern firefighting operations for speed, efficiency, flexibility and safety. Therefore, it is imperative to develop a hose trailer that can store hoses in an orderly manner and quickly retract and release them, and that is easy to store. This new type of hose trailer will greatly improve the efficiency and quality of firefighting operations and play an important role in protecting the safety of people's lives and property. Utility Model Content

[0006] In order to achieve the above purpose, the utility model adopts the following technical means:

[0007] A fire truck rear-mounted lifting hose trailer comprises a push-down garage connected to the rear of the fire truck and a hose trailer arranged in the push-down garage, the push-down garage comprises a mounting plate connected to the rear of the fire truck, the mounting plate is connected to a garage shell on the side away from the fire truck, the top of the garage shell is connected to a cylinder, the pushing end of the cylinder passes through the garage shell, the side of the garage shell is connected to a cylinder control switch, the cylinder is connected to an external power supply through the cylinder control switch, a downward connecting plate and a carrier plate distributed up and down are arranged in the garage shell, the downward connecting plate is connected to the pushing end of the cylinder, the downward connecting plate is connected to the carrier plate through a plurality of groups of supporting connecting rods, the supporting connecting rod is connected to a positioning plate, a plug-in slot is provided on one side of the positioning plate in a transverse direction, a locking hole passing through the plug-in slot is provided on one side of the positioning plate in a longitudinal direction, a locking rod is inserted with a locking rod in a thread in the locking hole, the carrier plate carries the hose trailer, and the hose trailer is connected to the positioning plate through the locking rod;

[0008] The water hose trailer comprises a vehicle body, pulleys are respectively connected to the corners of the bottom of the vehicle body, a telescopic pull rod is connected to one side of the vehicle body, a positioning plug plate matching the plug slot and movably plugged in is connected to the other side of the vehicle body, the positioning plug plate is provided with a positioning plug hole matching the lock hole, the vehicle body is inserted into the plug slot through the positioning plug plate and is positioned and connected with the positioning plate, the locking rod passes through the positioning plug hole and is threadedly plugged with the lock hole, so that the vehicle body is positioned and connected with the positioning plate, a partition plate is connected to the vehicle body, transmission members are respectively connected to the two sides of the partition plate, the transmission member is transmission-connected with a water hose reel, the end of the water hose reel away from the transmission member is rotatably connected with a positioning bracket fixed to the vehicle body, the end of the water hose reel away from the transmission member is provided with a motor control switch connected to the outer side wall of the vehicle body, the bottom of the transmission member is provided with a transmission motor and a mobile power supply connected to the bottom of the vehicle body, the transmission end of the transmission motor is transmission-connected with the transmission member through a transmission belt passing through the bottom of the vehicle body, and the transmission motor is electrically connected to the mobile power supply through the motor control switch.

[0009] A further solution of the utility model is that the mounting plate is made integrally with the garage shell.

[0010] A further solution of the utility model is that the corners of the bottom of the downward connecting plate are connected to the carrier plate through supporting connecting rods respectively, and the positioning abutment plate is arranged between two groups of the supporting connecting rods and connected to the supporting connecting rods.

[0011] A further solution of the utility model is that the plug-in slots and the positioning plug-in plates are respectively provided with multiple groups and are movably plugged in one-to-one correspondence.

[0012] A further solution of the utility model is that the side surface of the carrier plate away from the positioning plate is an inclined surface.

[0013] A further solution of the utility model is that two groups of symmetrically distributed outer guide plates are connected to the top of the carrier plate.

[0014] A further solution of the utility model is that a pulley positioning groove is provided on the top of the carrier plate and is arranged between the two groups of outer guide plates and corresponds to the pulley.

[0015] A further solution of the utility model is that the pulleys are provided with four groups, and the four groups of pulleys are respectively two groups of symmetrically distributed large directional pulleys and two groups of symmetrically distributed universal pulleys.

[0016] A further solution of the utility model is that the mobile power source is connected to the vehicle body via a power box.

[0017] Beneficial effects of the utility model:

[0018] 1. The rotation of the hose reel of the utility model is driven by a transmission motor, which realizes the automatic retraction and release of the hose, saves manpower, and at the same time ensures the orderly storage and transportation of the fire hose, effectively improving the efficiency and safety of firefighting operations;

[0019] 2. The utility model pushes down the cylinder of the push-down garage, so that the hose trailer can be moved out from the garage shell of the push-down garage. The hose trailer can be moved out from the loading plate of the push-down garage by unlocking the lock rod of the push-down garage. The storage of the entire hose trailer can be easily completed by one person, with small operating workload and high operating efficiency.

[0020] 3. The push-down garage of the utility model is installed at the rear of the fire truck, which effectively saves the storage space in the fire truck. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an existing water hose trailer;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the structure decomposition of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the water hose trailer of the utility model;

[0025] Reference numerals:

[0026] Mounting plate 1, cylinder 2, garage shell 3, cylinder control switch 4, lower connecting plate 5, supporting connecting rod 6, positioning plate 7, locking hole 8, plug-in slot 9, locking rod 10, carrier plate 11, pulley positioning slot 12, guide plate 13, pulley 14, car body 15, telescopic pull rod 16, partition plate 17, transmission motor 18, power box 19, mobile power supply 20, motor control switch 21, positioning bracket 22, hose reel 23, transmission member 24, transmission belt 25, positioning plug plate 26, positioning socket 27. DETAILED DESCRIPTION

[0027] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Example 1

[0031] like Figure 2-4As shown, the utility model provides a fire truck rear-mounted lifting hose trailer, including a push-down garage connected to the rear of the fire truck and a hose trailer arranged in the push-down garage, the push-down garage includes a mounting plate 1 connected to the rear of the fire truck, the side of the mounting plate 1 away from the fire truck is connected to a garage shell 3, the top of the garage shell 3 is connected to a cylinder 2, the push end of the cylinder 2 passes through the garage shell 3, the side of the garage shell 3 is connected to a cylinder control switch 4, and the cylinder 2 is connected to an external power supply through the cylinder control switch 4 The garage shell 3 is provided with a downward connecting plate 5 and a carrier plate 11 which are distributed up and down. The downward connecting plate 5 is connected to the pushing end of the cylinder 2. The downward connecting plate 5 is connected to the carrier plate 11 through multiple groups of supporting connecting rods 6. The supporting connecting rods 6 are connected to a positioning plate 7. A plug-in groove 9 is provided on one side of the positioning plate 7 in a horizontal direction. A locking hole 8 penetrating the plug-in groove 9 is provided on one side of the positioning plate 7 in a longitudinal direction. A locking rod 10 is inserted into the inner thread of the locking hole 8. The carrier plate 11 carries a water hose trailer, and the water hose trailer is connected to the positioning plate 7 through the locking rod 10.

[0032] The hose trailer includes a body 15, and the corners of the bottom of the body 15 are respectively connected to pulleys 14, a telescopic pull rod 16 is connected to one side of the body 15, and a positioning plug plate 26 that matches the plug slot 9 and is movably plugged is connected to the other side of the body 15. The positioning plug plate 26 is provided with a positioning plug hole 27 that matches the lock hole 8. The body 15 is inserted into the plug slot 9 through the positioning plug plate 26 and is positioned and connected with the positioning plate 7. The lock rod 10 passes through the positioning plug hole 27 and is threadedly plugged with the lock hole 8, so that the body 15 is positioned and connected with the positioning plate 7. A partition plate 17 is connected inside the body 15, and the two sides of the partition plate 17 are respectively A transmission member 24 is connected, and the transmission member 24 is transmission-connected to a hose reel 23. The end of the hose reel 23 away from the transmission member 24 is rotationally connected to a positioning bracket 22 fixed to the vehicle body 15. The end of the hose reel 23 away from the transmission member 24 is provided with a motor control switch 21 connected to the outer wall of the vehicle body 15. The bottom of the transmission member 24 is provided with a transmission motor 18 and a mobile power supply 20 connected to the bottom of the vehicle body 15. The transmission end of the transmission motor 18 is transmission-connected to the transmission member 24 through a transmission belt 25 that passes through the bottom of the vehicle body 15, and the transmission motor 18 is electrically connected to the mobile power supply 20 through the motor control switch 21.

[0033] How it works

[0034] The mounting plate 1 is connected to the rear of the fire truck so that the push-down garage is positioned at the rear of the fire truck, and the cylinder 2 is connected to the power supply of the fire truck through the cylinder control switch 4;

[0035] When using the hose trailer, the cylinder 2 is started through the cylinder control switch 4, and the cylinder 2 pushes the downward connecting plate 5 downward. When the downward connecting plate 5 is completely separated from the garage shell 3, the cylinder 2 stops pushing, the lock rod 10 is rotated and pulled out, and the vehicle body 15 is pushed hard, and the positioning plug plate 26 is separated from the plug-in slot 9 of the positioning stop plate 7. At this time, the vehicle body 15 can be moved out of the carrier plate 11 through the pulley 14. When the hose trailer is stored again, it is only necessary to reverse the above steps.

[0036] When using the reel, one end of the fire hose is manually wound around the outside of the hose drum 23, and the transmission motor 18 obtains power from the mobile power supply 20 through the motor control switch 21. The transmission motor 18 drives the transmission member 24 to rotate through the transmission belt 25, and the transmission member 24 drives the hose drum 23 to rotate. The rotating hose drum 23 automatically winds the fire hose. Finally, the fire hose is wound around the outside of the hose drum 23 and is stored in order in the vehicle body 15.

[0037] Example 2

[0038] like Figure 2-4 As shown, the utility model provides a fire truck rear-mounted lifting hose trailer, including a push-down garage connected to the rear of the fire truck and a hose trailer arranged in the push-down garage, the push-down garage includes a mounting plate 1 connected to the rear of the fire truck, the side of the mounting plate 1 away from the fire truck is connected to a garage shell 3, the top of the garage shell 3 is connected to a cylinder 2, the push end of the cylinder 2 passes through the garage shell 3, the side of the garage shell 3 is connected to a cylinder control switch 4, and the cylinder 2 is connected to an external power supply through the cylinder control switch 4 The garage shell 3 is provided with a downward connecting plate 5 and a carrier plate 11 which are distributed up and down. The downward connecting plate 5 is connected to the pushing end of the cylinder 2. The downward connecting plate 5 is connected to the carrier plate 11 through multiple groups of supporting connecting rods 6. The supporting connecting rods 6 are connected to a positioning plate 7. A plug-in groove 9 is provided on one side of the positioning plate 7 in a horizontal direction. A locking hole 8 penetrating the plug-in groove 9 is provided on one side of the positioning plate 7 in a longitudinal direction. A locking rod 10 is inserted into the inner thread of the locking hole 8. The carrier plate 11 carries a water hose trailer, and the water hose trailer is connected to the positioning plate 7 through the locking rod 10.

[0039] The hose trailer includes a body 15, and the corners of the bottom of the body 15 are respectively connected to pulleys 14, a telescopic pull rod 16 is connected to one side of the body 15, and a positioning plug plate 26 that matches the plug slot 9 and is movably plugged is connected to the other side of the body 15. The positioning plug plate 26 is provided with a positioning plug hole 27 that matches the lock hole 8. The body 15 is inserted into the plug slot 9 through the positioning plug plate 26 and is positioned and connected with the positioning plate 7. The lock rod 10 passes through the positioning plug hole 27 and is threadedly plugged with the lock hole 8, so that the body 15 is positioned and connected with the positioning plate 7. A partition plate 17 is connected inside the body 15, and the two sides of the partition plate 17 are respectively A transmission member 24 is connected, and the transmission member 24 is transmission-connected to a hose reel 23. The end of the hose reel 23 away from the transmission member 24 is rotationally connected to a positioning bracket 22 fixed to the vehicle body 15. The end of the hose reel 23 away from the transmission member 24 is provided with a motor control switch 21 connected to the outer wall of the vehicle body 15. The bottom of the transmission member 24 is provided with a transmission motor 18 and a mobile power supply 20 connected to the bottom of the vehicle body 15. The transmission end of the transmission motor 18 is transmission-connected to the transmission member 24 through a transmission belt 25 that passes through the bottom of the vehicle body 15, and the transmission motor 18 is electrically connected to the mobile power supply 20 through the motor control switch 21.

[0040] The mounting plate 1 is made integrally with the garage housing 3. This arrangement can effectively improve the tightness between the mounting plate 1 and the garage housing 3, and can effectively prevent the mounting plate 1 and the garage housing 3 from breaking.

[0041] The corners of the bottom of the lower connecting plate 5 are connected to the carrier plate 11 through the supporting connecting rods 6, and the positioning plate 7 is arranged between the two groups of supporting connecting rods 6 and connected to the supporting connecting rods 6. This arrangement can facilitate the water hose trailer to be loaded on the carrier plate 11, and can effectively improve the working efficiency and working effect of the carrier plate 11.

[0042] The pulley 14 is provided with four groups, and the four groups of pulleys 14 are respectively two groups of symmetrically distributed large directional pulleys and two groups of symmetrically distributed universal pulleys. This arrangement can facilitate the rapid movement and rapid rotation of the hose trailer, and can effectively improve the moving efficiency of the hose trailer.

[0043] The mobile power source 20 is connected to the vehicle body 15 via the power supply box 19. This arrangement can improve the protection of the mobile power source 20 and effectively increase the service life of the mobile power source 20.

[0044] Example 3

[0045] like Figure 2-4As shown, the utility model provides a fire truck rear-mounted lifting hose trailer, including a push-down garage connected to the rear of the fire truck and a hose trailer arranged in the push-down garage, the push-down garage includes a mounting plate 1 connected to the rear of the fire truck, the side of the mounting plate 1 away from the fire truck is connected to a garage shell 3, the top of the garage shell 3 is connected to a cylinder 2, the push end of the cylinder 2 passes through the garage shell 3, the side of the garage shell 3 is connected to a cylinder control switch 4, and the cylinder 2 is connected to an external power supply through the cylinder control switch 4 The garage shell 3 is provided with a downward connecting plate 5 and a carrier plate 11 which are distributed up and down. The downward connecting plate 5 is connected to the pushing end of the cylinder 2. The downward connecting plate 5 is connected to the carrier plate 11 through multiple groups of supporting connecting rods 6. The supporting connecting rods 6 are connected to a positioning plate 7. A plug-in groove 9 is provided on one side of the positioning plate 7 in a horizontal direction. A locking hole 8 penetrating the plug-in groove 9 is provided on one side of the positioning plate 7 in a longitudinal direction. A locking rod 10 is inserted into the inner thread of the locking hole 8. The carrier plate 11 carries a water hose trailer, and the water hose trailer is connected to the positioning plate 7 through the locking rod 10.

[0046] The hose trailer includes a body 15, and the corners of the bottom of the body 15 are respectively connected to pulleys 14, a telescopic pull rod 16 is connected to one side of the body 15, and a positioning plug plate 26 that matches the plug slot 9 and is movably plugged is connected to the other side of the body 15. The positioning plug plate 26 is provided with a positioning plug hole 27 that matches the lock hole 8. The body 15 is inserted into the plug slot 9 through the positioning plug plate 26 and is positioned and connected with the positioning plate 7. The lock rod 10 passes through the positioning plug hole 27 and is threadedly plugged with the lock hole 8, so that the body 15 is positioned and connected with the positioning plate 7. A partition plate 17 is connected inside the body 15, and the two sides of the partition plate 17 are respectively A transmission member 24 is connected, and the transmission member 24 is transmission-connected to a hose reel 23. The end of the hose reel 23 away from the transmission member 24 is rotationally connected to a positioning bracket 22 fixed to the vehicle body 15. The end of the hose reel 23 away from the transmission member 24 is provided with a motor control switch 21 connected to the outer wall of the vehicle body 15. The bottom of the transmission member 24 is provided with a transmission motor 18 and a mobile power supply 20 connected to the bottom of the vehicle body 15. The transmission end of the transmission motor 18 is transmission-connected to the transmission member 24 through a transmission belt 25 that passes through the bottom of the vehicle body 15, and the transmission motor 18 is electrically connected to the mobile power supply 20 through the motor control switch 21.

[0047] The plug slots 9 and the positioning plug plates 26 are respectively provided with multiple groups and are movably plugged in one by one. This arrangement can improve the tightness of the vehicle body 15 and the positioning abutment plate 7 after positioning connection, and can effectively prevent separation during the connection process.

[0048] The side of the carrier plate 11 away from the positioning plate 7 is an inclined surface. This arrangement can facilitate the hose trailer to quickly move to the top of the carrier plate 11, effectively improving the working efficiency and working effect of the hose trailer.

[0049] Two groups of symmetrically distributed outer guide plates 13 are connected to the top of the carrier plate 11. This arrangement can facilitate the directional movement of the hose trailer to the top of the carrier plate 11, facilitate the connection of the hose trailer with the positioning plate 7, and effectively improve the storage efficiency of the hose trailer.

[0050] The top of the carrier plate 11 is provided with a pulley positioning groove 12 which is arranged between the two sets of outer guide plates 13 and corresponds to the pulley 14. This arrangement can facilitate the carrier plate 11 to stably carry the hose trailer, and effectively improve the stability of the hose trailer when it is stored.

[0051] The examples given in the present invention are not limitations on the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived from them are still within the scope of protection of the present invention.

Claims

1. A fire truck rear-mounted lifting hose trailer, characterized in that: The invention comprises a push-down garage connected to the rear of a fire truck and a hose trailer arranged in the push-down garage. The push-down garage comprises a mounting plate (1) connected to the rear of the fire truck. The mounting plate (1) is connected to a garage shell (3) on the side away from the fire truck. The top of the garage shell (3) is connected to a cylinder (2). The push end of the cylinder (2) passes through the garage shell (3). The side of the garage shell (3) is connected to a cylinder control switch (4). The cylinder (2) is connected to an external power supply via the cylinder control switch (4). The garage shell (3) is provided with a downwardly displaced connecting plate (5) distributed up and down. ), a carrier plate (11), the downward connecting plate (5) is connected to the pushing end of the cylinder (2), the downward connecting plate (5) is connected to the carrier plate (11) through a plurality of supporting connecting rods (6), the supporting connecting rods (6) are connected to a positioning plate (7), a plug-in groove (9) is provided on one side of the positioning plate (7) in a transverse direction, a locking hole (8) penetrating the plug-in groove (9) is provided on one side of the positioning plate (7) in a longitudinal direction, a locking rod (10) is inserted into the internal thread of the locking hole (8), the carrier plate (11) carries a water hose trailer, and the water hose trailer is connected to the positioning plate (7) through the locking rod (10); The hose trailer comprises a vehicle body (15), the corners of the bottom of the vehicle body (15) are respectively connected to pulleys (14), one side of the vehicle body (15) is connected to a telescopic pull rod (16), the other side of the vehicle body (15) is connected to a positioning plug plate (26) that matches the plug slot (9) and is movably plugged, the positioning plug plate (26) is provided with a positioning plug hole (27) that matches the lock hole (8), the vehicle body (15) is inserted into the plug slot (9) through the positioning plug plate (26) and is positioned and connected to the positioning plate (7), the locking rod (10) passes through the positioning plug hole (27) and is threadedly plugged into the lock hole (8), so that the vehicle body (15) is positioned and connected to the positioning plate (7), the vehicle body (15) is connected to a partition plate (17), the partition plate (17) is A transmission member (24) is connected to both sides respectively, and the transmission member (24) is transmission-connected to a hose reel (23); the end of the hose reel (23) away from the transmission member (24) is rotationally connected to a positioning bracket (22) fixed to the vehicle body (15); the end of the hose reel (23) away from the transmission member (24) is provided with a motor control switch (21) connected to the outer wall of the vehicle body (15); the bottom of the transmission member (24) is provided with a transmission motor (18) connected to the bottom of the vehicle body (15) and a mobile power source (20); the transmission end of the transmission motor (18) is transmission-connected to the transmission member (24) through a transmission belt (25) penetrating the bottom of the vehicle body (15); and the transmission motor (18) is electrically connected to the mobile power source (20) through the motor control switch (21).

2. The fire truck rear-mounted lifting hose trailer according to claim 1, characterized in that: The mounting plate (1) and the garage housing (3) are manufactured in one piece.

3. The fire truck rear-mounted lifting hose trailer according to claim 1, characterized in that: The corners at the bottom of the downward connecting plate (5) are connected to the carrier plate (11) via supporting connecting rods (6), and the positioning abutment plate (7) is arranged between two groups of the supporting connecting rods (6) and connected to the supporting connecting rods (6).

4. The fire truck rear-mounted lifting hose trailer according to claim 1, characterized in that: The plug-in slots (9) and the positioning plug-in plates (26) are respectively provided with multiple groups and are movably plug-in correspondingly one by one.

5. The fire truck rear-mounted lifting hose trailer according to claim 1, characterized in that: The side surface of the carrier plate (11) away from the positioning stop plate (7) is an inclined surface.

6. The fire truck rear-mounted lifting hose trailer according to claim 5, characterized in that: The top of the carrier plate (11) is connected to two groups of symmetrically distributed outer guide plates (13).

7. The fire truck rear-mounted lifting hose trailer according to claim 6, characterized in that: The top of the carrier plate (11) is provided with a pulley positioning groove (12) which is arranged between two groups of outer guide plates (13) and corresponds to the pulley (14).

8. The fire truck rear-mounted lifting hose trailer according to claim 1, characterized in that: The pulleys (14) are provided with four groups, and the four groups of pulleys (14) are respectively two groups of symmetrically distributed large directional pulleys and two groups of symmetrically distributed universal pulleys.

9. The fire truck rear-mounted lifting hose trailer according to claim 1, characterized in that: The mobile power source (20) is connected to the vehicle body (15) via a power source box (19).