CN210195858U

CN210195858U - Quick-disassembly diesel particle trapping system applied to excavator

Info

Publication number: CN210195858U
Application number: CN201920572308.1U
Authority: CN
Inventors: Xiaoyu Wei; 魏晓宇; Xiaodong Qi; 祁晓东; Yu Cao; 曹禺; Qiang Liu; 刘强; Kecheng Xie; 谢轲丞; Jianxiang Xiang; 向健翔; shuo Zang; 臧硕
Original assignee: Shanghai Nuo Engineering Machinery Exhaust System Co Ltd
Current assignee: Shanghai Nuo Engineering Machinery Exhaust System Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-03-27
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to a diesel engine tail gas clean-up technical field just discloses a be applied to quick dismantlement diesel granule entrapment system of excavator, including the casing assembly, the last fixed surface of casing assembly is connected with square gasket, the inner chamber fixed mounting of casing assembly has the nut, the nut runs through casing assembly and square gasket, the last fixed surface of square gasket is connected with the assembly of giving vent to anger, another square gasket of right side fixedly connected with of casing assembly upper surface. The utility model discloses a purify the part and adopt metal catalytic oxidation carrier to add foam metal DPF, through soluble organic matter SOF in increase DOC carrier volume to 5.6L oxidation particulate matter, in order to reduce installation space, fall into the carrier triplex and install in particulate trap, in order to prevent to scald, particulate trap shell assembly makes inside and outside bilayer, and the centre separates with thermal-insulated cotton, and the device has improved the security of using, has also saved the space of installation simultaneously.

Description

Quick-disassembly diesel particle trapping system applied to excavator

Technical Field

The utility model relates to a diesel engine tail gas purification technical field specifically is a quick dismantlement diesel granule entrapment system for excavator.

Background

The excavator aiming at the matched 2.6L displacement supercharged diesel engine in the current market meets the emission of non-road state III, but the particle emission can not meet the requirement of Jing 4. Due to the limited installation position, if the active regeneration particle trap (DPF) is adopted, the installation space is not enough; because the working condition of the excavator is complex, if the ceramic carrier is adopted, the carrier is easy to crack due to vibration

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a be applied to quick dismantlement diesel oil granule entrapment system of excavator possesses and purifies the part and adopts metal catalytic oxidation carrier to add foam metal DPF, through soluble organic matter SOF in increase DOC carrier volume to 5.6L oxidation particulate matter, in order to reduce the installation space, fall into the carrier triplex and install in the particle trap, in order to prevent to scald, particle trap shell assembly makes inside and outside bilayer, the middle advantage of separating with thermal-insulated cotton, the problem that the background art exists has been solved.

The utility model provides a following technical scheme: a quick-disassembly diesel particle trapping system applied to an excavator comprises a shell assembly, wherein a square gasket is fixedly connected to the upper surface of the shell assembly, a nut is fixedly installed in an inner cavity of the shell assembly and penetrates through the shell assembly and the square gasket, an air outlet assembly is fixedly connected to the upper surface of the square gasket, another square gasket is fixedly connected to the right side of the upper surface of the shell assembly, another nut penetrates through the outer walls of the shell assembly and the square gasket, an air inlet assembly is fixedly connected to the upper surface of the other square gasket, an air inlet pipe is fixedly connected to the outer edge of the air inlet assembly, a sleeve is fixedly connected to the other end of the air inlet pipe, a clamping sleeve type combined right-angle pipe joint is fixedly connected to the other end of the sleeve, another air inlet pipe is fixedly connected to the other end of the clamping sleeve type, the bottom fixed mounting of casing assembly both sides has the right angle base, spacing hole has been seted up to the inner chamber of right angle base, the left side fixed mounting of casing assembly inner chamber has DPF carrier part, the both sides fixed mounting of DPF carrier part has the cooling tube, the bottom fixed mounting of cooling tube and DPF carrier part has the spring pad, the bottom fixedly connected with drain pipe of casing assembly, the right side and the equal fixed mounting in middle part of casing assembly have DOC assembly, the right side the flat pad of top fixedly connected with of DOC assembly.

Preferably, the number of the flat cushions is eight, and the eight flat cushions are all located in the inner cavity of the shell assembly.

Preferably, the number of the nuts is eight, and the eight nuts penetrate through the shell assembly and the square gaskets respectively and are installed at four corners of the two square gaskets respectively.

Preferably, the number of the limiting holes is four, and the four limiting holes are respectively positioned on the inner sides of the two right-angle bases.

Preferably, the cooling pipe and the DPF carrier member have the same height, and spring washers are mounted on the upper and lower portions of the cooling pipe and the DPF carrier member.

Preferably, the spring pad and the square gasket are both made of rubber sheets.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the quick-disassembly diesel particle trapping system applied to the excavator is characterized in that the particle trap is fixed on an engine through a main body and a fixing bracket, and tail gas reacts with a catalytic oxidation component in the particle trap main body; pressure-sensitive component one end links to each other with the particle trap main part, and one end links to each other with the excavator instrument, shows the exhaust pressure for the operator often, and the pressure value when making the operator can the current affairs observe the exhaust is in time handled when exhaust apparatus work is unusual.

2. This be applied to quick dismantlement diesel oil granule entrapment system of excavator, adopt metal catalytic oxidation carrier and foam metal DPF through purifying the part, through soluble organic matter SOF in increase DOC carrier volume to 5.6L oxidation particulate matter, in order to reduce the installation space, divide into the carrier the triplex and install in particulate trap, in order to prevent to scald, particulate trap shell assembly makes inside and outside bilayer, the centre separates with thermal-insulated cotton, the device has improved the security of use, the space of installation has also been saved simultaneously.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic top view of the structure of the present invention.

In the figure: 1. a housing assembly; 2. an air inlet pipe; 3. the device comprises a clamping sleeve type combined right-angle pipe joint 4, an air inlet assembly 5, a square gasket 6, a nut 7, an air outlet assembly 8, a right-angle base 9 and a limiting hole; 10. a sleeve; 11. a spring pad; 12. a cooling tube; 13. a DOC assembly; 14. flattening the cushion; 15. a drain pipe; 16. a DPF carrier member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a quick-release diesel particulate collecting system for an excavator comprises a housing assembly 1, wherein a square gasket 5 is fixedly connected to the upper surface of the housing assembly 1, nuts 6 are fixedly installed in an inner cavity of the housing assembly 1, the number of the nuts 6 is eight, the eight nuts 6 respectively penetrate through the housing assembly 1 and the square gasket 5 and are respectively installed at four corners of the two square gaskets 5, the nuts 6 penetrate through the housing assembly 1 and the square gasket 5, the square gasket is fixed with the housing assembly 1 and the square gasket 5 through the nuts 6, so that the air inlet assembly 4 or the air outlet assembly 7 is prevented from falling off, the device effectively improves the installation performance and the use stability of the device, the air outlet assembly 7 is fixedly connected to the upper surface of the square gasket 5, the other square gasket 5 is fixedly connected to the right side of the upper surface of the housing assembly 1, and the other nut 6 penetrates through the outer walls of the housing assembly 1 and the square, the upper surface of another square gasket 5 is fixedly connected with an air inlet assembly 4, the outer edge of the air inlet assembly 4 is fixedly connected with an air inlet pipe 2, the other end of the air inlet pipe 2 is fixedly connected with a sleeve 10, the other end of the sleeve 10 is fixedly connected with a clamping sleeve type combined right-angle pipe joint 3, the other end of the clamping sleeve type combined right-angle pipe joint 3 is fixedly connected with another air inlet pipe 2, the bottoms of the two sides of the shell assembly 1 are fixedly provided with right-angle bases 8, the inner cavity of each right-angle base 8 is provided with four limiting holes 9, the four limiting holes 9 are respectively positioned at the inner sides of the two right-angle bases 8, the left side of the inner cavity of the shell assembly 1 is fixedly provided with a DPF carrier part 16, a purification part adopts a metal catalytic oxidation carrier and a foam metal DPF, the DOC carrier volume is increased to 5, the carrier is divided into three parts and installed in the particle catcher, in order to prevent scalding, a shell assembly of the particle catcher is made into an inner layer and an outer layer, the middle part is separated by heat insulation cotton, the device improves the use safety and saves the installation space at the same time, cooling pipes 12 are fixedly installed at two sides of a DPF carrier part 16, the height values of the cooling pipes 12 and the DPF carrier part 16 are equal, spring pads 11 are installed above and at the bottom of the cooling pipes 12 and the DPF carrier part 16, the spring pads 11 and a square gasket 5 are both made of rubber sheets, the spring pads 11 are fixedly installed at the bottom of the cooling pipes 12 and the DPF carrier part 16, a drain pipe 15 is fixedly connected at the bottom of the shell assembly 1, DOC assemblies 13 are fixedly installed at the right side and the middle part of the shell assembly 1, flat pads 14 are fixedly connected at the top of the DOC assembly 13 at the right side, the number of the flat pads 14 is eight, and the eight, the exhaust gas passes through the particle catcher main body to react with the catalytic oxidation component in the particle catcher main body; pressure-sensitive component one end links to each other with the particle trap main part, and one end links to each other with the excavator instrument, shows the exhaust pressure for the operator often, and the pressure value when making the operator can the current affairs observe the exhaust is in time handled when exhaust apparatus work is unusual.

According to the working principle, when engine tail gas passes through a Diesel Oxidation Catalyst (DOC), the DOC can oxidize CO, HC and soluble organic matters SOF in particulate matters through the action of a catalyst to generate harmless carbon dioxide (CO2) and water (H2O); meanwhile, partial Nitric Oxide (NO) in the tail gas is oxidized to generate nitrogen dioxide (NO2), if the DPF is blocked by too many particulate matters, the pressure of the engine is raised, the pressure sensor can display data on an instrument panel, and an operator can disassemble the catalytic oxidation component and clean the catalytic oxidation component until the pressure meets the use requirement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A quick release diesel particulate trap system for use with an excavator, comprising a housing assembly (1), characterized in that: the upper surface of the shell assembly (1) is fixedly connected with a square gasket (5), the inner cavity of the shell assembly (1) is fixedly provided with a nut (6), the nut (6) penetrates through the shell assembly (1) and the square gasket (5), the upper surface of the square gasket (5) is fixedly connected with an air outlet assembly (7), the right side of the upper surface of the shell assembly (1) is fixedly connected with another square gasket (5), the other nut (6) penetrates through the outer walls of the shell assembly (1) and the square gasket (5), the other upper surface of the square gasket (5) is fixedly connected with an air inlet assembly (4), the outer edge of the air inlet assembly (4) is fixedly connected with an air inlet pipe (2), the other end of the air inlet pipe (2) is fixedly connected with a sleeve (10), the other end of the sleeve (10) is fixedly connected with a clamping sleeve type combined right-angle pipe joint (3), another intake pipe (2) of other end fixedly connected with of cutting ferrule formula combination right angle coupling (3), the bottom fixed mounting of casing assembly (1) both sides has right angle base (8), spacing hole (9) have been seted up to the inner chamber of right angle base (8), the left side fixed mounting of casing assembly (1) inner chamber has DPF carrier part (16), the both sides fixed mounting of DPF carrier part (16) has cooling tube (12), the bottom fixed mounting of cooling tube (12) and DPF carrier part (16) has spring pad (11), the bottom fixedly connected with drain pipe (15) of casing assembly (1), the right side and the equal fixed mounting in middle part of casing assembly (1) have DOC assembly (13), the right side the top fixedly connected with flat bed (14) of DOC assembly (13).

2. The quick release diesel particulate trap system for an excavator of claim 1, wherein: the quantity of flat pad (14) has eight, eight flat pad (14) all are located the inner chamber of casing assembly (1).

3. The quick release diesel particulate trap system for an excavator of claim 1, wherein: the quantity of nut (6) has eight, eight nut (6) run through casing assembly (1) and square gasket (5) respectively, and install four corners at two square gasket (5) respectively.

4. The quick release diesel particulate trap system for an excavator of claim 1, wherein: the number of the limiting holes (9) is four, and the four limiting holes (9) are respectively positioned on the inner sides of the two right-angle bases (8).

5. The quick release diesel particulate trap system for an excavator of claim 1, wherein: the height values of the cooling pipe (12) and the DPF carrier component (16) are equal, and spring pads (11) are arranged above and at the bottom of the cooling pipe (12) and the DPF carrier component (16).

6. The quick release diesel particulate trap system for an excavator of claim 1, wherein: the spring pad (11) and the square gasket (5) are both made of rubber sheets.