CN217553615U

CN217553615U - Drainage car and shell structure thereof

Info

Publication number: CN217553615U
Application number: CN202221359206.XU
Authority: CN
Inventors: 刘胜
Original assignee: Guangdong Shengkun Fire Equipment Co ltd
Current assignee: Guangdong Grace Fire Technology Co ltd
Priority date: 2022-04-30
Filing date: 2022-05-31
Publication date: 2022-10-11
Anticipated expiration: 2032-05-31
Also published as: CN218929303U; CN117002197A

Abstract

The utility model belongs to the technical field of fire-fighting water supply and drainage devices, in particular to a waterlogging draining vehicle and a shell structure thereof, which comprises a shell, wherein an air suction cavity, an engine cavity and a hydraulic loop cavity are separated in the shell through two heat insulation plates; an engine is arranged in the engine cavity, and an air inlet of the engine penetrates through the heat insulation plate to enter the air suction cavity; the heat insulation plate is provided with a connecting port, a hydraulic pump is arranged in the connecting port, one end of the hydraulic pump is located in the engine cavity and connected with the engine, and the other end of the hydraulic pump is located in the hydraulic loop cavity. This patent passes through the inner chamber of casing is separated to the heat insulating board, prevents that the produced heat of engine from outwards transmitting, influences the normal work of hydrovalve and oil tank in the hydraulic circuit chamber.

Description

Drainage car and shell structure thereof

Technical Field

The utility model belongs to the technical field of fire control water supply and drainage device, refer in particular to a drainage truck and shell structure thereof.

Background

The Chinese utility model 2019220179544 discloses an amphibious fire-fighting water supply and drainage robot, which comprises a chassis part, a buoyancy tank, a drainage component, a power device and a walking device.

The utility model discloses a well amphibious fire control supplies drainage robot has following defect:

1. the internal equipment of the existing drainage robot is unscientific, and the heat generated by an engine easily influences the normal operation of a drainage assembly and a walking device.

2. The drainage robot drives wheels on two sides of a vehicle through the transmission boxes on two sides of the drainage robot, the whole driving structure is complex, and the drainage robot is not convenient for steering and running of a waterlogging car.

3. When the lower body of the drain robot is located underwater, it is difficult to realize the movement of the drain robot only by the wheels.

Disclosure of Invention

The utility model aims at providing a drainage waterlogging car and shell structure thereof.

The purpose of the utility model is realized like this:

a casing structure of a waterlogging draining vehicle comprises a casing, wherein an air suction cavity, an engine cavity and a hydraulic loop cavity are separated from the casing through two heat insulation plates;

an engine is arranged in the engine cavity, and an air inlet of the engine penetrates through the heat insulation plate to enter the air suction cavity;

the heat insulation plate is provided with a connecting port, a hydraulic pump is arranged in the connecting port, one end of the hydraulic pump is located in the engine cavity and connected with the engine, and the other end of the hydraulic pump is located in the hydraulic loop cavity.

Furthermore, the shell comprises a box body and a turnover cover, wherein an opening opposite to the air suction cavity, the engine cavity and the hydraulic circuit cavity is formed in the upper end face of the box body, the turnover cover is rotatably arranged on the opening, and a plurality of heat dissipation holes are formed in the turnover cover;

when the turnover cover is covered on the box body, the upper end of the heat insulation plate is abutted against the lower end face of the turnover cover.

Furthermore, a protruding end is arranged in the flip cover, and an extending end located in the protruding end is arranged on the heat insulation plate.

Furthermore, a partition board which is in lap joint with the extending end is arranged in the protruding end.

Further, the heat dissipation holes are formed in the outer edge of the protruding end and the top of the protruding end.

Further, still be equipped with level sensor and drainage subassembly in the box, through level sensor detects the liquid level in the box to control drainage subassembly work and carry out the drainage after the liquid level surpasss certain threshold value.

The utility model provides a drainage car which characterized in that, includes foretell drainage car's shell structure, still includes a plurality of wheels that set up on the casing and sets up the drainage subassembly on the casing.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

this patent passes through the inner chamber of casing is separated to the heat insulating board, prevents that the produced heat of engine from outwards transmitting, influences the normal work of hydrovalve and oil tank in the hydraulic circuit chamber. It should be noted that the size of the connection ports on the thermal insulation boards is matched with the size of the objects correspondingly installed in the connection ports, so as to ensure the separation effect of each thermal insulation board.

Be equipped with protruding end on the apron in this patent, because the outer edge and the top of protruding end all are equipped with the louvre, increase the quantity of louvre through protruding end, increase the radiating effect.

This patent is equipped with four hydrovalves, every to four wheels altogether the hydrovalve drives one respectively wheel, four wheels of its control drainage car of accessible control rotate forward simultaneously or rotate backward, realize advancing or retreating of drainage car, or through making two preceding wheel differential motions, make the drainage car rotate towards one of them direction, realize the turn of drainage car. Besides normal movement of the drainage truck, one front wheel of the drainage truck can be driven to rotate by centralized hydraulic pressure, so that when the drainage truck is sunk into a pit and cannot move, enough power is provided for the drainage truck to enable the drainage truck to recover the moving capacity.

Drawings

Fig. 1 is a schematic structural diagram of a waterlogging draining truck.

Fig. 2 is an open schematic view of the waterlogging draining truck.

Fig. 3 is a top view of a waterlogging draining truck.

Fig. 4 is a side sectional view of the inside of the waterlogging draining truck box.

Fig. 5 is a schematic view of the end cap.

Fig. 6 is a schematic view of the structure of the heat-insulating board.

Fig. 7 is a bottom schematic view of a waterlogging draining truck.

Fig. 8 is a schematic view of the structure of the drain assembly.

Fig. 9 is a schematic diagram of the hydraulic oil passage.

Fig. 10 is a side sectional view of the wheel.

The reference numerals in the figures denote the meanings:

1. a housing; 11. heat dissipation holes; 12. embedding a groove; 121. a first connecting rod; 122. a second connecting rod; 13. a suction chamber; 14. an engine cavity; 15. a hydraulic circuit chamber; 16. a box body; 161. an opening; 17. a cover is turned; 171. a locking structure; 172. a raised end; 173. a partition plate; 18. a hydraulic joint; 181. a supercharger; 19. a heat insulation plate; 191. a connection port; 192. an extension end;

2. a wheel; 21. a hydraulic motor;

3. a drainage assembly; 31. a left pump group; 32. a right pump group; 33. a front bracket; 331. a clamp part; 332. a connecting portion; 34. a rear bracket; 35. a lift cylinder; 36. a water inlet; 361. filtering with a screen; 37. a water outlet;

41. a hydraulic pump; 42. an engine; 421. a smoke exhaust pipe; 43. an oil tank; 44. a hydraulic valve; 441. a main valve; 45. a balancing valve; 46. an air cooling device; 47. a fuel tank.

Detailed Description

The present invention will be further described with reference to the following specific embodiments:

a waterlogging draining vehicle comprises a shell structure, wheels 2 and a draining component 3.

As shown in fig. 1 and 2, in the present embodiment, the housing structure includes a casing 1, and the wheel 2 and the drainage assembly are disposed on the casing 1; the housing 1 comprises a housing 16 and a flip cover 17, an opening 161 is arranged at the upper end of the housing 16, one end of the flip cover 17 is rotatably connected to one side of the opening 161, so that the whole flip cover 17 is covered on the opening 161 to close the opening 161, and a locking structure 171 for locking the flip cover 17 is arranged at the other end of the flip cover 17. All plates of the box body 16 are welded, so that the box body 16 is firmer and waterproof.

The housing 1 is provided with a hydraulic pump 41, an engine 42, an oil tank 43, and a hydraulic valve 44. As shown in fig. 2 and 3, a heat insulation plate 19 is arranged in the casing 1, and the inner cavity of the casing 1 is divided into a suction cavity 13, an engine cavity 14 and a hydraulic circuit cavity 15 by the heat insulation plate 19. The insulation board 19 includes a metal skeleton welded in the box 16 for supporting and an insulation material disposed on the surface of the metal skeleton, wherein the insulation material may be one or more of fiberglass, asbestos, rock wool and silicate.

In this embodiment, two heat insulation plates 19 are arranged, and the front and rear heat insulation plates divide the inner cavity of the casing 1 into three parts; as shown in fig. 3 and 4, the engine 42 is disposed in the engine cavity 14, a connection port 191 is disposed on the heat shield 19 between the engine cavity 14 and the hydraulic circuit cavity 15, the hydraulic pump 41 is disposed in the connection port 191, one end of the hydraulic pump is disposed in the engine cavity 14 and connected to the engine 42, and the other end of the hydraulic pump is disposed in the hydraulic circuit cavity 15; a connecting port 191 is also arranged on the heat insulation plate 19 between the engine cavity 14 and the air suction cavity 13, and the connecting port 191 is used for placing an air inlet pipeline of the engine 42; in fact, the suction chamber 13 is in communication with the outside, and the intake duct of the engine 42, when located inside said suction chamber 13, can perform suction during the operation of the engine 42 to ensure its own heat dissipation.

As shown in fig. 3, an oil tank 43 and a hydraulic valve 44 for storing hydraulic oil are arranged in the hydraulic circuit cavity 15, the hydraulic pump 41 is respectively connected to the hydraulic valve 44 and the oil tank 43, the hydraulic valve 44 respectively controls the work of the wheels 2 and the work of the drainage assembly 3, the hydraulic pump 41 sucks hydraulic oil, and the hydraulic valve 44 distributes the hydraulic motor 21 in each wheel 2 and the motor of the drainage assembly 3 to realize the operation of the drainage truck and the drainage work. In addition, a fuel tank 47 is provided in the hydraulic circuit chamber 15, and the fuel tank 47 supplies fuel to the engine 42 through a plate passage formed through the heat insulating plate 19.

The heat-insulating board 19 is provided for the purpose of: the engine 42 may generate significant heat during operation, affecting ambient temperature, while the operation of the hydraulic valve 44 may be affected by ambient temperature. The heat insulation board 19 separates the inner cavity of the casing 1 to prevent the heat generated by the engine 42 from transferring outwards and affecting the normal operation of the hydraulic valve 44 and the oil tank 43 in the hydraulic circuit cavity 15. It should be noted that the size of the connection openings 191 on the heat insulation plates 19 are all adapted to the size of the objects correspondingly installed in the connection openings 191, so as to ensure the separation effect of the heat insulation plates 19.

As further described in fig. 9 and 10, the hydraulic valve 44 is a proportional hydraulic valve, the hydraulic valve 44 is connected to a controller, the controller provides different control signals for the hydraulic valve 44, and the hydraulic valve 44 outputs different pressures or/and different directional pressures according to the different control signals. The hydraulic proportional valve is a new type of hydraulic control device, on the common pressure valve, flow valve and direction valve, the proportional electromagnet is used to replace the original control part, and the pressure, flow or direction of the oil flow is controlled remotely according to the input electric signal continuously and proportionally; a return spring is generally arranged in the proportional valve, a controller controls the electromagnet in the proportional valve to move, and when the controller is not controlled any more, the return spring works and drives the electromagnet to return. The controller is generally an integrated circuit disposed on a PCB board, and is controlled by a plurality of buttons or a remote controller laid on the casing 1.

As shown in fig. 1 and 9, four wheels 2 are provided, and four corners of the casing 1 are provided with mounting seats, through which the four wheels 2 are mounted; in some embodiments, the wheels 2 may be provided in three, which are provided on three corners of the housing; in this patent, four hydraulic valves 44 are provided for the wheels 2, and each of the hydraulic valves 44 controls the movement of one of the wheels 2. As shown in fig. 9 and 10, a hydraulic motor 21 is installed in the wheel 2, an oil inlet end and an oil return end of the hydraulic motor 21 are connected to one of the electromagnetic valves, the hydraulic motor 21 can be moved in a forward direction or a reverse direction by controlling the direction of the hydraulic valve 44, and the hydraulic valve 44 can be controlled to output different pressures by providing different control signals, such as different current signals, to the hydraulic valve 44, so as to adjust the rotation speed of the wheel 2.

For the drainage vehicle, the four wheels 2 of the drainage vehicle can be controlled to rotate forwards or backwards at the same time to realize the forward or backward movement of the drainage vehicle; or the two front wheels 2 move in a differential speed manner, so that the waterlogging draining vehicle rotates towards one direction, and the turning of the waterlogging draining vehicle is realized. Besides the normal movement of the drainage truck, one of the front wheels 2 of the drainage truck can be driven to rotate by centralized hydraulic pressure, so that when the drainage truck is sunk into a pit and cannot move, enough power is provided for the drainage truck to enable the drainage truck to recover the moving capacity. It should explain, current drainage waterlogging car is the motion through a hydrovalve 44 drive gear subassembly more, and the motion of a plurality of wheels 2 of rethread gear subassembly drive, and when unable single wheel 2 of only driving motion, and drive a plurality of wheels 2 simultaneous movement can lead to distributing the hydraulic pressure on every wheel 2 to diminish to probably lead to drainage waterlogging car power not enough, detain in the pit.

Generally, a balance valve 45 is further provided between the hydraulic motor 21 and the hydraulic valve 44, and the output of the wheel 2 can be stabilized by adjusting the relative balance of the pressures on both sides.

In addition, an air cooling device 46 is also arranged in the hydraulic circuit, as shown in fig. 2, the air cooling device 46 is fixed on one side close to the opening 161 of the case through a bracket arranged in the case, and a plurality of heat dissipation holes 11 are formed on the end cover above the opening 161; furthermore, the present patent is provided with a main valve 441 at one side of the hydraulic valve 44, and the main valve 441 is used for distributing hydraulic oil to each hydraulic valve 44, that is, when the hydraulic valve 44 is operated, oil is supplied to the hydraulic valve 44 which needs to be operated. To sum up, the hydraulic circuit in the drainage car is: the oil tank 43 is connected with the hydraulic pump 41, the hydraulic pump 41 supplies oil to the main valve 441, the main valve 441 supplies oil to the hydraulic valve 44 which needs to operate, and when the hydraulic valve 44 does not work, the hydraulic oil in the main valve 441 is sent into the air cooling device 46 and then returns to the oil tank 43 from the air cooling device 46. The air cooling device 46 is a box body 16, a fan is arranged outside the box body 16, and the fan faces the heat dissipation opening and is used for cooling hydraulic oil passing through the air cooling device 46.

The drainage module 3 of this patent is arranged at the lower end of the machine shell 1, as shown in fig. 7, the middle part of the lower end of the machine shell 1 is integrally formed with an embedded groove 12 which is sunken towards the inner side of the machine shell 1, and the drainage module 3 comprises a left pump group 31 and a right pump group 32, and the left pump group 31 and the right pump group 32 are respectively arranged at two sides of the central position of the embedded groove 12. The top end of the embedded groove 12 is the bottom surface of the machine shell 1, the wheels 2 are arranged on two sides of the bottom surface of the machine shell 1, and the bottom surface of the machine shell 1 is supported by the wheels 2; when the left pump unit 31 and the right pump unit 32 are installed in the embedded groove 12, the drainage assembly 3 is arranged higher than the bottom end of the wheel 2, so that the drainage assembly 3 is prevented from being arranged too low to collide with the ground when the waterlogging draining vehicle is transported.

The left pump unit 31 and the right pump unit 32 both comprise a cylindrical drainage pump, one end of the drainage pump is a water inlet 36, the other end of the drainage pump is a water outlet 37, the water inlet 36 is used for water absorption, a filter screen 361 is fixed on the water inlet 36, impurities are filtered out when the drainage assembly 3 absorbs water through the filter screen 361, and the impurities are prevented from entering the drainage assembly 3 to influence the normal work of the drainage assembly 3. In some embodiments, the left and

right pump groups

31 and 32 may include a plurality of drainage pumps, thereby increasing drainage efficiency.

In this patent, the left pump group 31 and the right pump group 32 are controlled by a single hydraulic valve 44. Referring to fig. 9, two hydraulic valves 44 are provided in the hydraulic circuit of the present patent for the left and

right pump groups

31 and 32, and each hydraulic valve 44 is used for driving the left pump group 31 or the right pump group 32 to work.

When the drainage vehicle works, the lower half of the drainage vehicle is basically positioned below the water level, and at the moment, the drainage component 3 works, absorbs water from the water inlet 36 of the drainage pump and drains water from the water outlet 37 of the drainage pump. When flood disasters are serious, the lower half part of the flood drainage vehicle is located below the horizontal plane, so that the running steering of the flood drainage vehicle is greatly limited. In the patent, the waterlogging draining vehicle can drive the drainage component 3 to work while driving the wheels 2 to work, and the water absorption of the drainage component 3 is used for assisting the vehicle to move forwards and backwards; in addition, when the vehicle needs to turn to, the left pump unit 31 or the right pump unit 32 can be driven to work through the electromagnetic valve, so that the waterlogging draining vehicle is assisted to turn to one side, and the walking and the steering of the waterlogging draining vehicle in water are realized.

Further, the front end and the rear end of the drainage assembly 3 are respectively connected with a front bracket 33 and a rear bracket 34, and the front bracket 33 and the rear bracket 34 are used for connecting the left pump group 31 or the right pump group 32 in a front-and-rear manner; the front bracket 33 is rotationally fixed on the machine shell 1, and a lifting cylinder 35 is arranged between the rear bracket 34 and the machine shell 1. As shown in fig. 8, the front bracket 33 and the rear bracket 34 in this patent both include a clamp portion 331 disposed on the left and right sides and a connecting portion 332 located between the clamp portions 331, the clamp portion 331 and the connecting portion 332 are integrally formed, the clamp portion 331 is used for being sleeved on the left pump unit 31 or the right pump unit 32 to achieve connection, and the connecting portion 332 is used for being connected with the casing 1. The front bracket 33 is arranged at one side of the drainage component 3, which is provided with a water outlet 37, two sides of the front bracket 33 are provided with rotating structures, and the front bracket is connected with a first connecting rod 121 positioned at the bottom of the embedded groove 12 through the rotating structures; the rear bracket 34 is arranged at one side of the drainage assembly 3 provided with the water inlet 36 and is fixed on a second connecting rod 122 at the bottom of the embedded groove 12 through a lifting cylinder 35. The lifting cylinder 35 is driven by a single hydraulic valve 44, when the lifting cylinder 35 works, the lifting cylinder 35 drives the rear bracket 34 to move, and the rear bracket 34 drives the left pump unit 31 and the right pump unit 32 to rotate around the front bracket 33, so that the water inlet 36 descends, and the lifting cylinder is used for enabling the water inlet 36 to be submerged under the water level for water suction during waterlogging drainage and water suction.

To sum up, this patent passes through hydrovalve 44 individual drive left pump package 31 or right pump package 32 work, and wheel 2 through the independent work of single pump body comes the supplementary waterlogging car of drainage runs under water, prevents that the paralysed aquatic of drainage car from influencing the drainage operation.

Further, the opening 161 of the box 16 is opposite to the air suction chamber 13, the engine chamber 14 and the hydraulic circuit chamber 15, and the heat dissipation hole 11 is formed on the flip 17, so that when the flip 17 covers the opening 161, heat dissipation is performed through the heat dissipation hole 11 on the flip 17. As shown in fig. 5, the flip cover 17 has an upward protruding end 172, the heat dissipation hole 11 is formed on the outer edge of the protruding end 172 and the top of the protruding end 172, and a smoke discharge pipe 421 of the engine 42 is disposed in the protruding end 172; in order to adapt to the protruding end 172, the two heat insulation boards 19 are provided with an extending end 192 located in the protruding end 172, and a partition 173 overlapping with the extending end 192 is provided in the protruding end 172, and the overlapping structure facilitates the sealing of the heat insulation board 19 to the inner cavity of the enclosure 1. At this time, the air suction cavity 13 dissipates heat through the heat dissipation holes 11 located on the outer edge of the rear end of the protrusion end 172, the engine cavity 14 dissipates heat through the heat dissipation holes 11 in the middle and at both sides of the protrusion end 172, and the hydraulic circuit cavity 15 dissipates heat through the heat dissipation holes 11 located at the front end of the flip cover 17.

Further, a liquid level sensor and a drainage assembly are further arranged in the box body 16, the liquid level sensor is used for detecting the liquid level in the box body 16, and the drainage assembly is controlled to work to drain water after the liquid level exceeds a certain threshold value. The liquid level sensor is generally located at the bottom of the tank 16 and is used for driving the drainage assembly to drain excessive liquid when the tank 16 is filled with water and exceeds a certain liquid level. The problem of intaking can be produced when drainage car rainy day operation and flood are great, the drainage subassembly can be the water pump that is located box 16, through water pump discharge ponding.

Furthermore, liquid level sensors are also arranged in the oil tank 43 and the fuel tank 47, and temperature sensors are also arranged in the oil tank 43 and the fuel tank 47 and used for detecting the liquid levels of the oil tank 43 and the fuel tank 47 in real time to reflect the quantity of fuel, or detecting the temperatures of the oil tank 43 and the fuel tank 47 to reflect the running condition of the waterlogged car, and giving an alarm when the temperature is too high or the fuel is hot.

Further, a hydraulic joint 18 is further arranged on the surface of the machine shell 1, and the hydraulic joint 18 is connected with a hydraulic valve 44 located in the machine shell 1; as shown in fig. 1 and 9, the hydraulic joint 18 is disposed at the front end of the housing 1, and a pressure intensifier 181 is connected to the interior of the hydraulic joint 18, and a hydraulic valve 44 is connected to the interior of the hydraulic joint through the pressure intensifier 181. In the hydraulic circuit of the drainage truck, a hydraulic valve 44 is specially arranged as the hydraulic joint 18, and the hydraulic joint 18 is used for externally connecting hydraulic tools, such as a hydraulic wrench, a hydraulic impact drill and the like, so as to meet different use requirements in drainage operation.

The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a shell structure of drainage car which characterized in that: comprises a machine shell (1), wherein an air suction cavity (13), an engine cavity (14) and a hydraulic circuit cavity (15) are separated in the machine shell (1) through two heat insulation plates (19);

an engine (42) is arranged in the engine cavity (14), and an air inlet of the engine (42) penetrates through the heat insulation plate (19) and enters the air suction cavity (13);

the heat insulation plate (19) is provided with a connecting port (191), a hydraulic pump (41) is arranged in the connecting port (191), one end of the hydraulic pump (41) is located in the engine cavity (14) and connected with the engine (42), and the other end of the hydraulic pump is located in the hydraulic loop cavity (15).

2. The housing structure of a drainage vehicle as claimed in claim 1, wherein: the casing (1) comprises a box body (16) and a turnover cover (17), wherein an opening (161) opposite to the air suction cavity (13), the engine cavity (14) and the hydraulic circuit cavity (15) is formed in the upper end surface of the box body (16), the turnover cover (17) is rotatably arranged on the opening (161), and a plurality of heat dissipation holes (11) are formed in the turnover cover (17);

when the turnover cover (17) is covered on the box body (16), the upper end of the heat insulation plate (19) is abutted against the lower end face of the turnover cover (17).

3. The housing structure of a drainage truck as claimed in claim 2, characterized in that: the heat insulation board is characterized in that a protruding end (172) is arranged in the turnover cover (17), and an extending end (192) located in the protruding end (172) is arranged on the heat insulation board (19).

4. The housing structure of a drainage car as claimed in claim 3, characterized in that: a clapboard (173) which is lapped with the extending end (192) is arranged in the protruding end (172).

5. The housing structure of a drainage car as claimed in claim 3, characterized in that: the heat dissipation holes (11) are formed in the outer edge of the protruding end (172) and the top of the protruding end (172).

6. The housing structure of a drainage truck as claimed in claim 2, characterized in that: the liquid level sensor and the drainage assembly are further arranged in the box body (16), the liquid level in the box body (16) is detected through the liquid level sensor, and the drainage assembly is controlled to work to drain water after the liquid level exceeds a certain threshold value.

7. A waterlogging drainage vehicle, characterized by comprising the housing structure of the waterlogging drainage vehicle as claimed in any one of claims 1-6, and further comprising a plurality of wheels (2) arranged on the housing (1) and a drainage assembly (3) arranged on the housing (1).