CN218760091U

CN218760091U - Vehicle-mounted box tail gas heating system

Info

Publication number: CN218760091U
Application number: CN202223364931.9U
Authority: CN
Inventors: 李金鸿; 赵新伟; 杜广友
Original assignee: Qingdao Allite Auto Technic Co Ltd
Current assignee: Qingdao Allite Auto Technic Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-03-28
Anticipated expiration: 2032-12-14

Abstract

The application discloses on-vehicle box tail gas heating system belongs to the special vehicle field, has solved among the prior art moisture that the lower part was gathered in the dustbin and can freeze, influences the defect of rubbish self-discharging. In the technical scheme, the vehicle-mounted box body is positioned above an engine exhaust pipe; a tail gas butt joint device is constructed in the middle section of the engine exhaust pipe, and a heating cavity is constructed at the lower part of the vehicle-mounted box body; one end of the tail gas butt joint device is communicated with the interior of the exhaust pipe, and the other end of the tail gas butt joint device is communicated with the interior of the heating cavity; the middle section of the tail gas butt joint device is provided with a butterfly valve for opening and closing the tail gas butt joint device, the lower part of one end of the heating cavity body close to the tail part of the vehicle-mounted box body is provided with an exhaust port, and the exhaust port is communicated with the inside and the outside atmospheric environment of the heating cavity body. The utility model discloses a vehicle-mounted box tail gas heating system prevents that moisture from freezing through tail gas heating rubbish bottom half, can dump rubbish, convenient to use from the discharging smoothly.

Description

Vehicle-mounted box tail gas heating system

Technical Field

The utility model relates to an on-vehicle box tail gas heating system belongs to the special type vehicle field.

Background

The garbage clearing and transporting vehicle is divided into: the garbage truck comprises a compression garbage truck, a self-unloading garbage truck, a swing arm type garbage truck, a self-loading and unloading garbage truck, a sealed garbage truck and a pull arm type garbage truck. The garbage truck is mainly used for municipal sanitation and large-scale factories and mines to transport various garbage, is particularly suitable for transporting residential garbage in a community, can compress and crush the loaded garbage, increases the density of the garbage, reduces the volume of the garbage, and greatly improves the efficiency of garbage collection and transportation.

In order to load garbage conveniently, the garbage truck has a larger garbage can body. The garbage collection and transportation vehicle needs to run outside for a long time, flows among residential areas and industrial areas, loads daily garbage, contains a large amount of moisture, and in the long-time running and bumping process of the garbage collection and transportation vehicle, the moisture in the garbage can flow to the lower part in the garbage box body and is accumulated at the lower part in the garbage box body. When the temperature is above zero, the moisture in the garbage can not freeze. However, in northern winter, in areas with the temperature below zero all day, moisture accumulated at the lower part in the garbage can body freezes after the garbage truck runs for a long time, and after the moisture freezes, the moisture is difficult to dump from the garbage can body and pour out, and part of bottom garbage can be frozen at the bottom of the garbage can body by the frozen moisture, so that the bottom garbage can not dump, and the cleaning of the garbage in the garbage can body is influenced. And if the cleaning is carried out by using a tool manually, the time and the labor are wasted, and certain danger is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vehicle-mounted box tail gas heating system through tail gas heating rubbish bottom half, prevents that moisture from freezing, can dump rubbish, convenient to use by the self-discharging smoothly.

The technical scheme adopted by the utility model is that the tail gas heating system of the vehicle-mounted box body comprises an engine exhaust pipe and the vehicle-mounted box body, wherein the vehicle-mounted box body is positioned above the engine exhaust pipe; a tail gas butt joint device is constructed in the middle section of the engine exhaust pipe, and a heating cavity is constructed at the lower part of the vehicle-mounted box body; one end of the tail gas butt joint device is communicated with the interior of the exhaust pipe, and the other end of the tail gas butt joint device is communicated with the interior of the heating cavity; the middle section of the tail gas butt joint device is provided with a butterfly valve for opening and closing the tail gas butt joint device, the lower part of one end of the heating cavity body close to the tail part of the vehicle-mounted box body is provided with an exhaust port, and the exhaust port is communicated with the inside and the outside atmospheric environment of the heating cavity body.

Preferably, the heating cavity of the vehicle-mounted box tail gas heating system is a bent pipeline in a shape of a square circle, and the heating cavity is attached to the bottom end face of the vehicle-mounted box or is located at the bottom inside the vehicle-mounted box.

Preferably, in the vehicle-mounted box tail gas heating system, the heating cavity is attached to the bottom end face of the vehicle-mounted box or is positioned at the bottom inside the vehicle-mounted box; the inner cavity of the heating cavity is constructed into a bent circulation channel in a shape of a Chinese character hui through a partition plate.

Preferably, in the vehicle-mounted box tail gas heating system, a one-way exhaust mechanism allowing tail gas to be exhausted in one way is constructed in the exhaust port, the one-way exhaust mechanism is provided with a turning plate, and the middle part of the turning plate is rotationally connected with the exhaust port through a rotating shaft; the turning plate turns around the rotating shaft, and the rear part of the turning plate is opened with the exhaust port.

Preferably, the one-way exhaust mechanism of the vehicle-mounted box tail gas heating system further comprises an upper limiting plate and a lower limiting plate, the upper limiting plate and the lower limiting plate are fixed on the inner wall of the exhaust port at intervals, and the turning plate is located between the upper limiting plate and the lower limiting plate.

Optimally, the turning plate of the vehicle-mounted box body tail gas heating system is provided with a balancing weight, and a placing groove matched with the balancing weight is constructed on the lower limiting plate; when the turning plate seals the exhaust port, the balancing weight falls into the placing groove on the lower limiting plate.

The application has the advantages that:

according to the technical scheme, the tail gas of the garbage collection and transportation vehicle is introduced into the heating cavity, and the heat of the tail gas heats the interior of the heating cavity, so that the heating cavity can heat the vehicle-mounted box body of the garbage collection and transportation vehicle, the temperature of the lower part of the vehicle-mounted box body is improved, the lower part of the vehicle-mounted box body is prevented from being frozen, and the problem of difficulty in garbage self-unloading is prevented. And tail gas is used for heating, so that waste can be utilized, and energy can be effectively saved.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view showing the internal structure of the exhaust port in a closed state;

FIG. 3 is a schematic view showing the internal structure of the exhaust port in an open state;

FIG. 4 is a schematic view of the internal structure of a heating chamber according to example 3;

fig. 5 is a schematic structural view of a heating chamber according to embodiment 2.

Detailed Description

The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in the figure, the utility model relates to a vehicle-mounted box tail gas heating system, including engine exhaust pipe 2 and vehicle-mounted box 7, vehicle-mounted box 7 is located engine exhaust pipe 2's top.

An exhaust gas docking device 1 is constructed in the middle section of the engine exhaust pipe 2, and in this embodiment, the exhaust gas docking device 1 is configured as a metal circular pipe. A round hole is formed in the engine exhaust pipe 2, and one end of the tail gas butt joint device 1 is inserted into the round hole in the engine exhaust pipe 2 and is fixed in a sealed mode through welding. And another round hole is formed in the heating cavity 5, and the other end of the tail gas butt joint device 1 is inserted into the round hole in the heating cavity 5 and is sealed and fixed by welding. The inside of the engine exhaust pipe 2 is communicated with the inside of the heating cavity 5 through the tail gas butt joint device 1. When the engine works, tail gas of the engine enters the heating cavity 5 through the engine exhaust pipe 2 and the tail gas butt joint device 1, so that the heating cavity 5 is heated, and the vehicle-mounted box body 7 is heated through the heating cavity 5.

The middle section of the tail gas butt joint device 1 is provided with a butterfly valve 3 for opening and closing the tail gas butt joint device 1. The butterfly valve 3 can be closed when heating is not needed in summer.

An exhaust port 6 is formed at the lower part of one end of the heating cavity 5 close to the tail part of the vehicle-mounted box body 7, and the exhaust port 6 is communicated with the inside of the heating cavity 5 and the external atmospheric environment. The joint of the tail gas butt joint device 1 and the heating cavity 5 is located at the lower part of one end of the heating cavity 5 close to the front end of the vehicle-mounted box body 7, and the tail gas enters the front end of the heating cavity 5 and is discharged from the tail part after entering the heating cavity 5, so that the tail gas can heat the whole bottom end of the vehicle-mounted box body 7.

In this embodiment, the heating cavity 5 is attached to the bottom end surface of the vehicle-mounted box 7, and the internal cavity of the heating cavity 5 is a bent flow channel of a square-shaped structure formed by a partition plate. The circulation passageway of bending of returning the type makes the length extension of the circulation passageway of tail gas in heating cavity 5 to make the time extension of tail gas circulation in heating cavity 5, can increase the heat exchange time of tail gas and heating cavity 5, guarantee better heating effect.

A one-way exhaust mechanism allowing the exhaust gas to be exhausted in one way is built in the exhaust port 6, and the one-way exhaust mechanism is provided with a turning plate 8, an upper limiting plate 9, a lower limiting plate 10 and a balancing weight 11.

The middle part of the turning plate 8 is rotationally connected with the exhaust port 6 through a rotating shaft. The upper limiting plate 9 and the lower limiting plate 10 are metal plates, and the upper limiting plate 9 and the lower limiting plate 10 are arranged at intervals and welded and fixed on the inner wall of the exhaust port 6. The flap 8 is arranged to be located between an upper limit plate 9 and a lower limit plate 10.

As shown in the figure, the counterweight block 11 is installed at the lower part of one end of the turning plate 8 matched with the lower limiting plate 10, and a placing groove matched with the counterweight block 11 is constructed on the lower limiting plate 10; when the turning plate 8 closes the exhaust port 6, the balancing weight 11 falls into the placing groove on the lower limiting plate 10.

When the tail gas does not enter the heating cavity 5, the internal pressure of the heating cavity 5 is the same as the atmospheric pressure. The turning plate 8 is kept in the state as shown in fig. 2 under the action of the balancing weight, at this time, the turning plate 8 is not turned over to keep the state of closing the exhaust port 6, and the balancing weight 11 falls into the placing groove on the lower limiting plate 10.

When tail gas enters the heating cavity 5, the tail gas flows through the heating cavity 5 and is discharged from the exhaust port 6, the turning plate 8 is turned over under the action of tail gas exhaust pressure and is in a state shown in fig. 3, and at the moment, the tail gas is discharged from a gap between the edge of the turning plate 8 and the inner wall of the exhaust port 6.

In order to limit the turning angle of the turning plate 8, after the turning plate 8 is turned, one end of the turning plate 8 with the counterweight 11 is in contact with the upper limiting plate 9, and the turning angle of the turning plate 8 is limited through the upper limiting plate 9. By changing the position of the upper limiting plate 9, the maximum reversible angle of the turning plate 8 can be changed.

In this embodiment, in order to increase the pressure of the tail gas entering the heating cavity 5, the exhaust end of the chassis exhaust brake system of the garbage collection vehicle can be connected with the tail gas butt joint device 1, the exhaust end of the chassis exhaust brake system of the garbage collection vehicle is used for pressurizing the tail gas, the chassis exhaust brake function is opened when the garbage collection vehicle is used, and the butterfly valve 3 is opened to guide the tail gas of the engine into the heating cavity 5.

Example 2

This example differs from example 1 in that: in this embodiment, the heating chamber 5 is a bent pipe with a shape of a square-wave, and the heating chamber 5 is attached to the bottom end surface of the vehicle-mounted box 7 as shown in the figure.

Example 3

This example differs from example 1 in that: in this embodiment, the heating chamber 5 is located at the bottom of the vehicle-mounted box 7, and the internal chamber of the heating chamber 5 is configured as a bent flow channel in a shape of a Chinese character hui through a partition plate as shown in the figure.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.

Claims

1. The utility model provides a vehicle-mounted box tail gas heating system, includes engine exhaust pipe (2) and vehicle-mounted box (7), and vehicle-mounted box (7) are located the top of engine exhaust pipe (2), its characterized in that: a tail gas butt joint device (1) is constructed in the middle section of an engine exhaust pipe (2), and a heating cavity (5) is constructed at the lower part of a vehicle-mounted box body (7); one end of the tail gas butt joint device (1) is communicated with the interior of the exhaust pipe (2), and the other end of the tail gas butt joint device (1) is communicated with the interior of the heating cavity (5); the middle section of the tail gas butt joint device (1) is provided with a butterfly valve (3) for opening and closing the tail gas butt joint device (1), the lower part of one end of the heating cavity (5) close to the tail part of the vehicle-mounted box body (7) is provided with an exhaust port (6), and the exhaust port (6) is communicated with the inside and the outside atmospheric environment of the heating cavity (5).

2. The vehicle-mounted box tail gas heating system according to claim 1, characterized in that: the heating cavity (5) is a bent pipeline in a shape of a square-circle, and the heating cavity (5) is attached to the bottom end face of the vehicle-mounted box body (7) or is positioned at the bottom in the vehicle-mounted box body (7).

3. The vehicle-mounted box tail gas heating system according to claim 1, characterized in that: the heating cavity (5) is attached to the bottom end face of the vehicle-mounted box body (7) or is positioned at the bottom in the vehicle-mounted box body (7); the inner cavity of the heating cavity (5) is constructed into a bent circulation channel in a shape of Chinese character hui through a partition plate.

4. The vehicle-mounted box tail gas heating system according to claim 1, characterized in that: a one-way exhaust mechanism allowing tail gas to be exhausted in one way is constructed in the exhaust port (6), the one-way exhaust mechanism is provided with a turning plate (8), and the middle part of the turning plate (8) is rotationally connected with the exhaust port (6) through a rotating shaft; the flap (8) partially opens the exhaust port (6) after being turned around the rotating shaft.

5. The vehicle-mounted box tail gas heating system according to claim 4, characterized in that: one-way exhaust mechanism still includes limiting plate (9) and limiting plate (10) down, goes up limiting plate (9), limiting plate (10) interval is fixed in the inner wall of gas vent (6) down, turns over board (8) and is located between limiting plate (9), limiting plate (10) down.

6. The vehicle-mounted box tail gas heating system according to claim 5, characterized in that: the turning plate (8) is provided with a balancing weight (11), and the lower limiting plate (10) is provided with a placing groove matched with the balancing weight (11); when the turning plate (8) closes the exhaust port (6), the balancing weight (11) falls into the placing groove on the lower limiting plate (10).