CN210117684U - Structure for snow blowing vector air port of multifunctional snow remover - Google Patents
Structure for snow blowing vector air port of multifunctional snow remover Download PDFInfo
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- CN210117684U CN210117684U CN201920336955.2U CN201920336955U CN210117684U CN 210117684 U CN210117684 U CN 210117684U CN 201920336955 U CN201920336955 U CN 201920336955U CN 210117684 U CN210117684 U CN 210117684U
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Abstract
The utility model relates to a structure that is used for multi-functional snow remover to blow snow vector wind gap. The fan air duct is characterized by comprising a fan air duct, wherein an inner throat knot fixedly connected with the fan air duct is arranged on the path of the fan air duct, an outer throat knot rotatably connected with the inner throat knot is arranged outside the inner throat knot, and an outlet of the outer throat knot forms a vector air port interface. The utility model discloses can effectively clear away the snow of northern area road in winter, guarantee traffic safety, environmental protection for clear away road surface ice and snow, the winter road surface maintenance equipment of guarantee vehicle, aircraft and pedestrian safety has very important meaning. The utility model adopts a reasonable outlet exhaust structural design, the air outlet nozzle adopts a square structure, the adjusting air channel adopts a throat structure design, the snow blowing air port can rotate at +/-20 degrees on the horizontal plane and rotate at +/-20 degrees in the vertical plane, and the problem of adjusting the forward, ground angle and ground clearance of the blowing pipeline is solved; the air duct throat knot adjusting snap ring structure adopts a round-to-square structure, so that the local pressure loss of the air duct is reduced, and the efficiency of the air supply system is improved.
Description
Technical Field
The utility model belongs to road maintenance vehicle field especially involves a structure that is used for multi-functional snow remover to blow snow vector wind gap.
Background
Snowfall in winter often has a direct and significant impact on road traffic. The frequent occurrence of road traffic interruption, railway stop, airport closure, urban traffic jam and even paralysis caused by snowfall has serious influence on industrial and agricultural production and people's life, and often causes serious economic and social loss.
The damage of the accumulated snow and the ice on the road surface is very serious. The friction coefficient of the frozen road surface is reduced, the braking distance of the vehicle is increased, and about 30 percent of traffic accidents in winter in China are caused by frozen road surface. The road snow is frozen, so that traffic accidents are easily caused, road traffic interruption, railway stop and airport closing are caused in serious conditions, the life of people and industrial and agricultural production are seriously influenced, and the national economy is seriously lost.
The snow clearing device has the advantages that accumulated snow on roads in winter can be effectively cleared, traffic safety is guaranteed, the environment is protected, the snow clearing device for the roads is very necessary, and the snow clearing device for the roads in winter is used for clearing snow on the road surfaces and has very important significance in guaranteeing safety of vehicles, airplanes and pedestrians.
The cold blowing is realized by driving the blower to work by a high-power diesel engine through a transmission device to provide cold blowing power, so that the adverse factors of high-temperature airflow of the jet snow removing vehicle can be eliminated, and the aims of saving fuel, reducing noise, reducing pollution and reducing damage to airport facilities are fulfilled.
Purging is a cleaning method, and is to use strong airflow to remove sundries or snow on high-grade roads or airports. Large-scale purging machines fall into three main categories: 1) the high-power engine is used for driving the blower to rotate to generate blowing force; 2) generating a blowing force by using tail gas of an aircraft engine; 3) the multifunctional snow removing machine has a purging function, and the hydraulic motor drives the air blower to rotate through the transmission device to perform purging operation.
Each blowing mode has different characteristics, when the high-power engine is utilized to drive the blower to blow, the blowing force is determined by the power of the engine, the power of the blower and the matching property of the power and the power of the blower, and the blowing force can be selected according to the use requirement; when the tail gas of an aircraft engine is used for blowing operation, the wind power of the aircraft engine can meet the requirements generally, but the tail gas generates hundreds of high temperature, high noise and great pollution.
CN201120060730.2 describes a snow blower with adjustable position, and also provides a snow blower with adjustable outlet size. The snow blower comprises a snow blowing port box body assembly and is characterized in that two connecting rod assemblies which are equal in length and distance are hinged between the snow blowing port box body assembly and a frame, and the two connecting rod assemblies, the snow blowing port box body assembly and the frame form a four-connecting-rod mechanism; and a telescopic oil cylinder for connecting the snow blowing port box body assembly and the frame is also arranged. But the structure can only adjust the opening of the tuyere and cannot realize the arbitrary adjustment of the direction of the tuyere.
The patent with application number CN200820027701.4 describes an activity snow blowing device for driving local snow under snow sweeper, be equipped with vehicle chassis and air supply mechanism, air supply mechanism includes blast pipe and blowing pipe, its main characterized in that vehicle chassis front end is equipped with elevating system and air supply distributing pipe respectively, elevating system is equipped with the dead lever, the movable rod, connecting rod and hydraulic cylinder, the dead lever is fixed on vehicle chassis, the movable rod is connected with the dead lever through the connecting rod, hydraulic cylinder's one end is articulated mutually with the dead lever, the other end is articulated mutually with the connecting rod, blast pipe one end is articulated mutually with the movable rod, the other end is connected with the air supply distributing pipe through hinge joint, be equipped with a plurality of blowing pipes on the air supply distributing pipe. But this structure can only adjust the tuyere height.
Aiming at the existing problems, the utility model adopts a reasonable outlet exhaust structure design, the air outlet nozzle adopts a square structure, the adjusting air duct adopts a throat structure design, the snow blowing air port can rotate at +/-20 degrees in the horizontal plane and rotate at +/-20 degrees in the vertical plane, and the difficult problem of adjusting the forward and ground angles and the ground clearance of the blowing pipeline is solved; the air duct throat knot clamping ring structure is adjusted to adopt a gradually-reduced circular and square structure, so that the local pressure loss of the air duct is reduced, and the efficiency of the air supply system is improved.
SUMMERY OF THE UTILITY MODEL
To the above defects, the utility model aims to provide a rational in infrastructure, performance is good a structure that is used for multi-functional snow sweeper to blow snow vector wind gap.
Therefore, the utility model adopts the technical scheme that: the structure for the snow blowing vector air port of the multifunctional snow sweeper comprises a fan air duct (1), wherein an inner throat (3) fixedly connected with the fan air duct (1) is arranged on the path of the fan air duct (1), an outer throat (5) rotatably connected with the inner throat (3) is arranged outside the inner throat (3), and an outlet of the outer throat (5) forms a vector air port interface (7).
The driving device is arranged to drive the outer laryngeal structure (5) to realize horizontal plane rotation and vertical plane rotation.
The horizontal plane rotation and the vertical plane rotation are both within +/-20 degrees.
The structure for driving the outer throat (5) to rotate in the vertical plane comprises a vertical oil cylinder (10), an upper support (9) of the vertical oil cylinder (10) is installed on the fan connector (2), and a lower support (11) of the vertical oil cylinder is installed on the vector air port connector (7).
The structure for driving the outer throat (5) to rotate in the vertical plane comprises a horizontal oil cylinder (14), wherein a first support (13) of the horizontal oil cylinder (14) is installed on the vector air port connector (7), a second support (12) of the horizontal oil cylinder (14) is installed on the rack, and the horizontal oil cylinder (14) and a connecting rod for connecting the first support (13) and the second support (12) are horizontally arranged.
And a sealing ring (6) is arranged between the inner laryngeal knot (3) and the outer laryngeal knot (5).
The air outlet of the outer throat knot (5) is in a flat port structure form.
And a corresponding mounting groove for mounting the sealing ring (6) is arranged between the inner throat (3) and the outer throat (5).
The utility model has the advantages that: the utility model provides a structure that is used for multi-functional snow remover to blow snow vector wind gap exports for flat mouthful, improves the volume of blowing snow in the unit interval. Under the effect of the high-speed airflow, the speed of the snow particles making jumping movement is continuously increased, the kinetic energy of the snow particles is increased, and more new snow particles are driven to separate from the snow accumulation surface to move along with the airflow through collision with other snow particles on the snow accumulation surface continuously. The airflow is used as the power for the snow particles to move forward, the energy exchange is continuously carried out between the airflow and the snow particles, the momentum of the airflow is gradually reduced, and the snow blowing amount is continuously increased.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the schematic view of the vertically arranged oil cylinder connection structure of the present invention.
Fig. 3 is the schematic view of the oil cylinder connection structure horizontally arranged in the utility model.
In the figure, 1 is a fan air duct, 2 is a fan interface, 3 is an inner throat, 4 is an expansion opening, 5 is an outer throat, 6 is a sealing ring, 7 is a vector air opening interface, 8 is an air outlet, 9 is an upper support, 10 is a vertical oil cylinder, 11 is a lower support, 12 is a second support, 13 is a first support, and 14 is a horizontal oil cylinder.
Detailed Description
The utility model comprises: the device comprises a fan air duct 1, a fan connector 2, an inner throat joint 3, an expansion port 4, an outer throat joint 5, a sealing ring 6, a vector air port connector 7 and a lower air duct 8.
A structure for a snow blowing vector air port of a multifunctional snow sweeper comprises a fan air duct 1, an inner throat node 3 fixedly connected with the fan air duct 1 is arranged on the path of the fan air duct 1, an outer throat node 5 rotatably connected with the inner throat node 3 is arranged outside the inner throat node 3, the combining surface of the inner throat node 3 and the outer throat node 5 is a spherical surface, a vector air port interface 7 is formed at the outlet of the outer throat node 5, and the vector air port interface 7 can swing freely.
The driving device is arranged to drive the outer laryngeal structure 5 to realize horizontal plane rotation and vertical plane rotation.
The horizontal plane rotation and the vertical plane rotation are both within +/-20 degrees.
The structure for driving the outer throat 5 to rotate in the vertical plane comprises a vertical oil cylinder 10, an upper support 9 of the vertical oil cylinder 10 is installed on the fan connector 2, and a lower support 11 of the vertical oil cylinder is installed on the vector air port connector 7.
The structure for driving the outer throat 5 to rotate in the vertical plane comprises a horizontal oil cylinder 14, wherein a first support 13 of the horizontal oil cylinder 14 is installed on the vector air port connector 7, a second support 12 of the horizontal oil cylinder 14 is installed on the rack, and the horizontal oil cylinder 14 and a connecting rod for connecting the first support 13 and the second support 12 are horizontally arranged.
And a sealing ring 6 is arranged between the inner throat knot 3 and the outer throat knot 5, so that the gas in the air duct is prevented from leaking.
The air outlet of the outer throat knot 5 is in a flat port structure form.
And a corresponding mounting groove for mounting the sealing ring 6 is arranged between the inner throat knot 3 and the outer throat knot 5.
Following the utility model discloses make further explanation to better understand the utility model discloses: the snow blowing operation of the snow sweeper is characterized in that the snow blowing operation capability of the snow sweeper is realized by using three important parameters, namely the striking force of a snow blowing air port, the striking energy of the unit area of the snow blowing air port and the direction of air flow. The snow blowing system of the snow sweeper realizes the snow blowing impact force and the unit area impact energy by controlling the pressure of the air flow, and controls the direction of the air flow through the snow blowing vector air port.
When the snow sweeper blows snow, the high-speed airflow at the snow blowing air port is applied to the surface of accumulated snow through violent turbulent motion, and the snow blowing efficiency of the snow sweeper is influenced by the pressure distribution, the speed distribution and the turbulent kinetic energy distribution of a jet flow field.
The high-speed air flow acts on the snow surface in a jet mode through the snow blowing air ports, the snow blowing air ports in different shapes can form different snow blowing air port jet flow fields, and the wind speeds at the centers of the snow blowing air ports are also obviously different, so that the snow blowing effect is different.
The parameters influencing the snow blowing performance of the snow blowing air port mainly comprise: the flow of the snow blowing air port, the angle of the snow blowing air port, the strength of the snow blowing air port, the outlet pressure and the like.
The design of the snow blowing tuyere is to ensure that the airflow at the outlet of the snow blowing tuyere obtains the maximum effective momentum. The snow blowing air port has the effect of acceleration rate and decompression, and this patent realizes the main points: when the snow sweeper is used for blowing snow, under the influence of an operation environment and field wind power, the snow blowing air port rotates at +/-20 degrees in a horizontal plane and rotates at +/-20 degrees in a vertical plane.
The patent is a structure of a snow blowing vector air port for a multifunctional snow sweeper, and the structure consists of a throat sliding structure, an air channel air port and a driving element.
Further, the throat sliding structure of the snow blowing air port. The throat sliding structure consists of two parts, namely an air duct section and a throat section, the mass of fluid passing through any section in the snow blowing air port is equal in unit time under the condition that the fluid flows stably, and the pressure loss of the fluid can occur when the fluid passes through the throat section.
Furthermore, the snow blowing air port is structurally arranged at the outlet of the snow blowing air port, the outlet is a flat port, the area of the outlet is reduced, the fluid speed is increased, and the air flow acts on the surface of snow to enable snow particles to move.
Furthermore, the driving element is composed of two executing elements which are hydraulic cylinders, and one oil cylinder is vertically arranged, so that the up-and-down swing of the snow blowing opening is realized; one oil cylinder is horizontally arranged, so that the left and right swinging of the snow blowing air port is realized.
Claims (8)
1. The structure of the snow blowing vector air port for the multifunctional snow sweeper is characterized by comprising a fan air duct (1), wherein an inner throat (3) fixedly connected with the fan air duct (1) is arranged on the path of the fan air duct (1), an outer throat (5) rotatably connected with the inner throat (3) is arranged outside the inner throat (3), and an outlet of the outer throat (5) forms a vector air port interface (7).
2. The structure of the snow blowing vector tuyere of the multifunctional snow sweeper as recited in claim 1, wherein a driving device is provided to drive said outer throat (5) to realize horizontal plane rotation and vertical plane rotation.
3. The structure of the snow blowing vector tuyere for the multifunctional snow sweeper as claimed in claim 2, wherein the horizontal plane rotation and the vertical plane rotation are both within ± 20 °.
4. The structure of the snow blowing vector air port for the multifunctional snow sweeper as claimed in claim 2, wherein the structure for driving the vertical plane of the outer throat (5) to rotate comprises a vertical oil cylinder (10), an upper support (9) of the vertical oil cylinder (10) is installed on the fan interface (2), and a lower support (11) of the vertical oil cylinder is installed on the vector air port interface (7).
5. The structure of the snow blowing vector air port for the multifunctional snow sweeper as claimed in claim 2, wherein the structure for driving the outer throat (5) to rotate in the vertical plane comprises a horizontal oil cylinder (14), wherein a first support (13) of the horizontal oil cylinder (14) is installed on the vector air port interface (7), a second support (12) of the horizontal oil cylinder (14) is installed on the frame, and the horizontal oil cylinder (14) and a connecting rod for connecting the first support (13) and the second support (12) are horizontally arranged.
6. The structure of the snow blowing vector tuyere for the multifunctional snow sweeper according to claim 1, wherein a sealing ring (6) is arranged between the inner throat (3) and the outer throat (5).
7. The structure of the snow blowing vector air port for the multifunctional snow sweeper as claimed in claim 1, wherein the air outlet of the outer throat (5) is in the form of a flat port structure.
8. The structure of the snow blowing vector tuyere for the multifunctional snow sweeper as claimed in claim 6, wherein a corresponding mounting groove for mounting the sealing ring (6) is provided between the inner throat (3) and the outer throat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920336955.2U CN210117684U (en) | 2019-03-18 | 2019-03-18 | Structure for snow blowing vector air port of multifunctional snow remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920336955.2U CN210117684U (en) | 2019-03-18 | 2019-03-18 | Structure for snow blowing vector air port of multifunctional snow remover |
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| Publication Number | Publication Date |
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| CN210117684U true CN210117684U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920336955.2U Active CN210117684U (en) | 2019-03-18 | 2019-03-18 | Structure for snow blowing vector air port of multifunctional snow remover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214993A (en) * | 2021-12-14 | 2022-03-22 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Telescopic air duct device of snow blower |
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2019
- 2019-03-18 CN CN201920336955.2U patent/CN210117684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214993A (en) * | 2021-12-14 | 2022-03-22 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Telescopic air duct device of snow blower |
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