CN220953185U - Snow blowing vehicle air duct system and snow blowing vehicle with same - Google Patents
Snow blowing vehicle air duct system and snow blowing vehicle with same Download PDFInfo
- Publication number
- CN220953185U CN220953185U CN202322264988.XU CN202322264988U CN220953185U CN 220953185 U CN220953185 U CN 220953185U CN 202322264988 U CN202322264988 U CN 202322264988U CN 220953185 U CN220953185 U CN 220953185U
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- cone
- air duct
- rectifying
- snow blower
- duct system
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- 238000007664 blowing Methods 0.000 title description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a snow blower air duct system and a snow blower with the same, comprising: the rectifying cone is a cylindrical piece with openings at two ends with different sizes, and one end with a larger opening of the rectifying cone is closely arranged at the end part of the turbine of the turbojet engine so that the rectifying cone is used for rectifying air flow sprayed by the turbine engine; the cone cylinder is arranged on the periphery of the rectifying cone and is used for fixing the rectifying cone; the air duct is a tubular piece and is fixedly connected with the cone cylinder so as to be used for guiding air flow; the connecting piece is sleeved at the joint of the cone cylinder and the air duct and is used for sealing the connecting part. According to the snow blower air duct system and the snow blower with the air duct system, air flow sprayed out of the turbine end part of the turbojet engine is rectified through the rectifying cone, the air duct is used for realizing flow guiding of the rectified air flow, and vortex influence caused by abrupt change of the section of the outlet air flow channel of the turbojet engine can be solved through cooperation of the rectifying cone and the air duct.
Description
Technical Field
The utility model relates to the technical field of snow blowing vehicle structures, in particular to a snow blowing vehicle air duct system. In addition, the utility model also relates to a snow blower comprising the snow blower air duct system.
Background
The snow blower is one kind of engineering vehicle for eliminating ice and snow on road and has turbojet engine to provide snow blower with power, but the abrupt change in the cross section of the outlet airflow channel of the turbojet engine is easy to cause eddy effect and raise airflow resistance.
In summary, how to solve the eddy current effect caused by the abrupt change of the outlet airflow passage section of the turbojet engine is a problem to be solved by those skilled in the art.
Disclosure of utility model
Accordingly, the present utility model is directed to a snowplow duct system that can solve the eddy current effect caused by abrupt changes in the outlet airflow passage section of a turbojet engine.
Another object of the present utility model is to provide a snow blower comprising the above air duct system.
In order to achieve the above object, the present utility model provides the following technical solutions:
A snowplow air duct system comprising:
The rectifying cone is a cylindrical piece with openings at two ends of different sizes, and one end with a larger opening of the rectifying cone is used for being communicated with the turbine end part of the turbojet engine so that the rectifying cone is used for rectifying air flow sprayed out of the turbojet engine;
The cone cylinder is arranged on the periphery of the rectifying cone and is used for fixing the rectifying cone;
the air duct is a tubular piece and is fixedly connected with the cone cylinder so as to be used for guiding air flow;
the connecting piece is sleeved at the joint of the cone cylinder and the air duct and is used for sealing the connecting part.
Preferably, a plurality of connecting steel plates are arranged between the rectifying cone and the cone cylinder, the connecting steel plates are used for rectifying air flow, and the connecting mode between the connecting steel plates and the cone cylinder is welding.
Preferably, the cone comprises an inner bushing, the air duct comprises an outer bushing, the outer bushing is sleeved on the periphery of the inner bushing, the connecting piece is arranged on the periphery of the outer bushing, and the inner bushing and the outer bushing can axially slide.
Preferably, the connecting piece comprises two arc-shaped pieces, wherein the arc-shaped pieces are used for being circumferentially locked at the joint of the cone cylinder and the air duct, an expansion joint is arranged at the joint of the cone cylinder and the air duct, and the expansion joint is used for compensating the dimensional change of the air duct and the cone cylinder caused by the temperature change.
Preferably, the expansion joint comprises a connecting piece, a filler, a fastener and four baffle rings, wherein the baffle rings are fixed on the outer bushing, and the filler is arranged between the connecting piece and the baffle rings.
The snow blower comprises a snow blower air duct system, wherein the snow blower air duct system is any one of the snow blower air duct systems.
According to the snow blowing vehicle air duct system, the rectifying cone is arranged as the cylindrical part, the two cylindrical ports are different in size, the port with the larger opening of the rectifying cone is arranged close to the turbine end part of the turbojet engine, the rectifying cone is further provided with the cone cylinder for realizing the position fixing of the rectifying cone, the cone cylinder is fixedly connected with the air duct through the connecting piece, air flow sprayed out of the turbine end part of the turbojet engine is rectified through the rectifying cone, the air duct is used for realizing the drainage of rectified air flow, and the vortex influence caused by the abrupt change of the section of the outlet air flow channel of the turbojet engine can be solved through the cooperation of the rectifying cone and the air duct.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a snow blower duct system according to the present utility model;
FIG. 2 is a front view of the cone-cone connection structure according to the present utility model;
FIG. 3 is a side view of the cone-cone connection structure of the present utility model;
FIG. 4 is a schematic diagram of the external structure of the air duct system of the snowmobile provided by the utility model;
FIG. 5 is a schematic view of an expansion joint according to the present utility model;
Fig. 6 is a schematic structural view of an arc-shaped member of the connecting member according to the present utility model.
In fig. 1 to 6, reference numerals include:
1 is a rectifying cone, 2 is an air duct, 3 is a cone cylinder, 4 is an expansion joint, 4-1 is a connecting piece, 4-2 is a filler, 4-3 is a fastening piece, 4-4 is a baffle ring, 5 is a connecting steel plate, 6 is an inner bushing, and 7 is an outer bushing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims at providing a snow blower air duct system which can solve the eddy influence caused by abrupt change of the section of an outlet airflow channel of a turbojet engine.
Another core of the present utility model is to provide a snow blower comprising the above air duct system.
The application provides a snow blower air duct system, which comprises: the rectifying cone 1 is a cylindrical piece with different openings at two ends, and one end of the rectifying cone 1 with a larger opening is closely arranged at the turbine end part of the turbojet engine so that the rectifying cone 1 is used for rectifying the airflow emitted by the turbojet engine; the cone cylinder 3 is arranged on the periphery of the rectifying cone 1 and is used for fixing the rectifying cone 1; the air duct 2 is a tubular piece, and the air duct 2 is fixedly connected with the cone 3 and is used for guiding air flow; the connecting piece 4-1 is sleeved at the joint of the cone 3 and the air duct 2 and is used for realizing the sealing of the connecting part.
Specifically, please refer to fig. 1 and fig. 2, the rectifying cone 1 is a cylindrical member, two ports of the rectifying cone 1 are different in size, the port with a larger opening of the rectifying cone 1 is close to the turbine end of the turbojet engine, the rectifying cone 1 is provided with a cone 3 for realizing fixation of the rectifying cone, the cone 3 and the air duct 2 are fixedly connected through a connecting piece 4-1, airflow ejected from the turbine end of the turbojet engine is rectified through the rectifying cone 1, the air duct 2 is used for realizing flow guiding after rectification, and vortex influence caused by sudden change of the section of an outlet airflow channel of the turbojet engine can be solved through cooperation of the rectifying cone 1 and the air duct 2.
On the basis of the embodiment, a plurality of connecting steel plates 5 are arranged between the rectifying cone 1 and the cone cylinder 3, the connecting steel plates 5 are used for rectifying air flow, and the connecting mode between the connecting steel plates 5 and the cone cylinder 3 is welding.
Specifically, please refer to fig. 2 and fig. 3, the connecting steel plate 5 is provided with eight connecting steel plates which are uniformly distributed between the rectifying cone 1 and the cone 3, and the cone 3 and the connecting steel plate 5 are fixedly connected in a welding manner, so that the reliability of the whole structure is ensured, the connecting steel plate 5 can realize the fixed connection of the rectifying cone 1 and the cone 3, and meanwhile, a certain rectifying effect can exist on the rotating air flow.
Alternatively, the cone 3 and the connecting steel plate 5 may be integrally formed.
On the basis of the embodiment, the cone 3 comprises an inner bushing 6, the air duct 2 comprises an outer bushing 7, the outer bushing 7 is sleeved on the periphery of the inner bushing 6, the connecting piece 4-1 is arranged on the periphery of the outer bushing 7, and the inner bushing 6 and the outer bushing 7 can axially slide.
Specifically, referring to fig. 4 and 5, an inner liner 6 is disposed at an end of the cone 3, an outer liner 7 is disposed at an end of the air duct 2, a connecting piece 4-1 is disposed at an outer periphery of the outer liner 7 by sleeving the outer liner 7 on an outer periphery of the inner liner 6, so as to connect the cone 3 with the air duct 2, and the inner liner 6 and the outer liner 7 are in clearance fit and can slide axially therebetween, so that a change of an axial dimension caused by a temperature change can be compensated.
On the basis of the embodiment, the connecting piece 4-1 comprises two arc-shaped pieces, the arc-shaped pieces are used for being circumferentially locked at the joint of the cone cylinder 3 and the air duct 2, the expansion joint 4 is arranged at the joint of the cone cylinder 3 and the air duct 2, and the expansion joint 4 is used for compensating the dimensional change of the air duct 2 and the cone cylinder 3 caused by the temperature change.
Specifically, please refer to fig. 6, the connecting piece 4-1 includes two arc-shaped pieces with identical structures and symmetrically arranged, the ports of the two arc-shaped pieces are in butt joint and are used for circumferentially locking the joint of the cone 3 and the air duct 2, and the joint is provided with an expansion joint 4, and the expansion joint 4 can be used for compensating the dimensional change of the air duct 2 and the cone 3 caused by temperature change, wherein the expansion joint 4 is made of a high temperature resistant material, so that the sealing of the air duct 2 to high temperature air flow in the working process can be satisfied, and the dimensional change caused by thermal expansion and cold contraction is compensated.
Based on the above embodiment, the expansion joint 4 includes a connecting piece 4-1, a filler 4-2, a fastener 4-3 and four baffle rings 4-4, the baffle rings 4-4 are fixed on the outer bushing 7, and the filler 4-2 is arranged between the connecting piece 4-1 and the baffle rings 4-4.
Specifically, please refer to fig. 5, of the four baffle rings 4-4, two baffle rings 4-4 are parallel to each other and are perpendicular to the outer periphery of one of the outer bushings 7, the other two baffle rings 4-4 are parallel to each other and are perpendicular to the other outer bushing 7, the two outer bushings 7 are respectively sleeved at two ends of one inner bushing 6, a filler 4-2 is arranged between the two pairs of baffle rings 4-4 and the connecting piece 4-1 of the outer bushing 7, the filler 4-2 is a high temperature resistant sealing filler, so that the sealing of the air duct 2 to high temperature air flow in the working process can be satisfied, and the dimensional change of the connecting part caused by thermal expansion and cold contraction is compensated.
Alternatively, the filler 4-2 may be a graphite packing.
In addition to the above-mentioned air duct system of the snow blower, the present utility model further provides a snow blower including the air duct system disclosed in the above-mentioned embodiment, and the structure of each other portion of the snow blower is referred to the prior art, and will not be described herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The utility model provides a snow blower air duct system and a snow blower with the air duct system. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (6)
1. A snowplow air duct system, comprising:
The rectifying cone (1) is a cylindrical piece with different opening sizes at two ends, and one end of the rectifying cone (1) with a larger opening is closely arranged at the end part of a turbine of the turbojet engine so that the rectifying cone (1) is used for rectifying airflow sprayed out of the turbine engine;
The cone cylinder (3) is arranged on the periphery of the rectifying cone (1) and is used for fixing the rectifying cone (1);
The air duct (2) is a tubular piece, and the air duct (2) is fixedly connected with the cone (3) and is used for guiding the airflow;
The connecting piece (4-1) is sleeved at the joint of the conical cylinder (3) and the air duct (2) and is used for sealing the joint.
2. The snow blower air duct system according to claim 1, characterized in that a plurality of connecting steel plates (5) are arranged between the rectifying cone (1) and the cone (3), the connecting steel plates (5) are used for rectifying the air flow, and the connecting mode between the connecting steel plates (5) and the cone (3) is welding.
3. The snow blower air duct system according to claim 2, characterized in that the cone (3) comprises an inner bushing (6), the air duct (2) comprises an outer bushing (7), the outer bushing (7) is sleeved on the outer periphery of the inner bushing (6), the connecting piece (4-1) is arranged on the outer periphery of the outer bushing (7), and the inner bushing (6) and the outer bushing (7) can axially slide.
4. A snow blower air duct system according to claim 3, characterized in that the connecting piece (4-1) comprises two arc-shaped pieces, which arc-shaped pieces are used for being circumferentially locked at the junction of the cone (3) and the air duct (2), and the junction of the cone (3) and the air duct (2) is provided with an expansion joint (4).
5. The snow blower duct system according to claim 4, characterized in that the expansion joint (4) comprises the connecting piece (4-1), a filler (4-2), a fastener (4-3) and four baffle rings (4-4), the baffle rings (4-4) being fixed to the outer liner (7), the filler (4-2) being arranged between the connecting piece (4-1) and the baffle rings (4-4).
6. A snow blower comprising a snow blower air duct system, wherein the snow blower air duct system is as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322264988.XU CN220953185U (en) | 2023-08-22 | 2023-08-22 | Snow blowing vehicle air duct system and snow blowing vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322264988.XU CN220953185U (en) | 2023-08-22 | 2023-08-22 | Snow blowing vehicle air duct system and snow blowing vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220953185U true CN220953185U (en) | 2024-05-14 |
Family
ID=91026004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322264988.XU Active CN220953185U (en) | 2023-08-22 | 2023-08-22 | Snow blowing vehicle air duct system and snow blowing vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220953185U (en) |
-
2023
- 2023-08-22 CN CN202322264988.XU patent/CN220953185U/en active Active
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