A kind of quick-frozen hot air type clears the snow deicing vehicle special gas dynamic formula hot-blast spray nozzle
Technical field
It clears the snow deicing vehicle special pneumatic the invention belongs to snow-clearing car nozzle technology field more particularly to a kind of quick-frozen hot air type
Formula hot-blast spray nozzle.
Background technique
Snow-clearing car is the mechanical equipment for clearing up northern road snow, and traditional snow-clearing car disposes round brush in front of headstock,
By rotating round brush, road snow is cleaned to roadside.For the road surface just snowed, this snow-clearing car has ideal
Cleaning effect, after cleaning, ground can directly it is exposed outside.However, this snow-clearing car also has its drawback, firstly, round brush without
Method clears up the snow block that snow is compacted by other vehicles, secondly, round brush can not clear up icy on road, third, the snow of removing is only
Roadside has been deposited in it, it is still desirable to the mechanical equipments such as forklift be cooperated to be collected, clear up and transport.
It is that metal baffle is disposed in front of headstock there are also a kind of snow-clearing car, it is other that this snow-clearing car can not only clear up snow
The snow block that vehicle is compacted into, and can clear up icy on road, i.e., have the function of clearing the snow and deicing simultaneously.But it this clears the snow
Clearing the snow for vehicle is limited with deicing effect, and the road surface after its cleaning is it is possible to one layer of thin ice or snow can be covered, in addition, this clear
There is still a need for the mechanical equipments such as cooperation forklift to be collected, clear up and transport for sled.
Aiming at the problem that snow-clearing car field, this team has applied for entitled " a kind of quick-frozen hot air type clear the snow deicing vehicle ", not only
Realize and clear the snow and deicing function simultaneously, and the road surface after being processed directly it is exposed outside, while also ice and snow is carried out
It collects.However, there is a technical detail not consider in that patent.It is exactly that automobile extrudes ice packet or road on road surface
When face has hole to damage, it is possible to be in contact with warm wind nozzle, to damage warm wind nozzle, and be difficult to clean off since ice packet is thicker.
Summary of the invention
In view of the above-mentioned problems, clearing the snow deicing vehicle special lifting pneumatic type hot wind the invention discloses a kind of quick-frozen hot air type
Its specific structure is not only disclosed in detail in nozzle, but also can ensure that the nozzle is voluntarily hidden encountering ice Bao Shihui, effectively keeps away
Exempt from nozzle to be damaged by ice packet, improves the service life of nozzle, and remove ice packet when crossing ice packet, comprising: blast pipe, spray
Mouth main body, the blast pipe are located inside nozzle body, and several groups movable pulley group is distributed in circumference array on the blast pipe, often
Group movable pulley group includes at least two blast pipe movable pulleies being sequentially arranged along the vertical direction, the sliding of the blast pipe movable pulley
Wheel wheel body is placed on the vertical slideway inside nozzle body;Nozzle inner ring, the bottom of blast pipe are additionally provided with inside the blast pipe
Portion is provided with ground engaging stabiliser wheel, is additionally provided with more pit device, described to get over the guide wheels that pit device includes two inclination arrangements, and two guide wheels
Line and ground engaging stabiliser wheel it is tangent, the terrain clearance of lower section guide wheel is less than the radius of ground engaging stabiliser wheel, by belt connection between the guide wheel,
Guide wheel is connect by connection frame with blast pipe;The blast pipe upper end is provided with two groups of air quantity controllers positioned opposite, often
Group air quantity controller includes: an air-door actuator, first valve gear, second valve gear, the air quantity valve
Door is horizontally placed on the slideway on blast pipe, and upper surface is connect by rack gear with the first valve gear, the first valve gear
It is engaged with the second valve gear, the rack gear being vertically arranged on the second valve gear and nozzle body engages, first valve gear
Wheel passes through bearing with the second valve gear and connect with valve connection frame, and valve connection frame is connect with blast pipe.
Further, sealing shroud is additionally provided between the nozzle body bottom and blast pipe.
Further, it is connected between the sealing shroud and nozzle body by body seal device, the body seal dress
Setting includes: sealing shroud fixing seat A, sealing shroud compression ring A, sealing shroud retaining ring A, and the sealing shroud fixing seat A is fixedly installed in
It is internal that there is annular groove on nozzle body, sealing shroud compression ring A is provided in annular groove, the sealing is placed on close
Between big envelope compression ring A and the annular groove inner wall of sealing shroud fixing seat A, it is provided on its outer wall of the sealing shroud compression ring A
Annular projection, bottom and sealing shroud retaining ring A face contact, the contact surface are and sealing shroud compression ring A and sealing shroud retaining ring A
Coaxial and outer low and inner high circular conical surface, the sealing shroud retaining ring A are threadedly coupled with valve seat body.
Further, it is additionally provided with fixed ring A slot on the sealing shroud compression ring A outer wall, is provided with axis in fixed ring A slot
With retaining ring A, the sealing is placed between shaft block ring A and fixed ring A slot.
Further, the sealing shroud compression ring A includes: left sealing shroud compression ring A and right sealing shroud compression ring A, described
Left sealing shroud compression ring A is connect by the magnet block being arranged on outer wall with right sealing shroud compression ring.
Further, it is connected between the sealing shroud and blast pipe by blast pipe sealing device, the blast pipe sealing
Device includes: sealing shroud fixing seat B, sealing shroud compression ring B, sealing shroud retaining ring B, the sealing shroud fixing seat B fixed installation
In on the outer wall of blast pipe, lower end has a circular conical surface coaxial and high outside and low outside with blast pipe, on the sealing shroud compression ring B
Holding has the conical surface matched with sealing shroud fixing seat B, and has annular projection on the conical surface, and the sealing is placed on sealing shroud
Between fixing seat B and sealing shroud compression ring B, the lower end sealing shroud compression ring B and sealing shroud retaining ring B face contact, sealing shroud
Retaining ring B is connected through a screw thread with blast pipe.
Further, it is additionally provided with fixed ring B slot on the blast pipe, shaft block ring B, institute are provided in fixed ring B slot
Sealing is stated to be placed between shaft block ring B and fixed ring B slot.
Further, insulating layer is additionally provided on the outer wall of the nozzle body.
The invention has the benefit that
1) in the present invention, several groups movable pulley group is distributed in circumference array on blast pipe, and every group of movable pulley group includes extremely
Few two blast pipe movable pulleies being sequentially arranged along the vertical direction, the movable pulley wheel body of the blast pipe movable pulley are placed in nozzle master
On the vertical slideway in internal portion;Under the above constitution, nozzle location can avoid nozzle by hail with ground height adjust automatically
Damage, improves the service life of nozzle.
2) nozzle close proximity to ground in the present invention, can be made using the gravity of blast pipe and its attachment, raising clears the snow
Deicing effect.
3) in the present invention, the bottom of blast pipe is provided with ground engaging stabiliser wheel, and the blast pipe bottom is additionally provided with more pit device,
The more pit device includes the guide wheels of two inclination arrangements, and the line of two guide wheels and ground engaging stabiliser wheel are tangent, lower section guide wheel from
Ground height is less than the radius of ground engaging stabiliser wheel, is connected between the guide wheel by belt, guide wheel is connect by connection frame with blast pipe;Upper
It states under structure, nozzle can not only avoid colliding with for ice packet, also can easily climb out of between two adjacent ice packets.
4) in the present invention, blast pipe upper end is provided with two groups of air quantity controllers positioned opposite, every group of Boiler pressure control
Device includes: an air-door actuator, first valve gear, second valve gear, and the air-door actuator is horizontally disposed
In on the slideway on blast pipe, upper surface is connect by rack gear with the first valve gear, the first valve gear and the second valve
Gear engages, and the rack gear being vertically arranged on the second valve gear and nozzle body engages, first valve gear and the second valve
Front tooth wheel passes through bearing and connect with valve connection frame, and valve connection frame is connect with blast pipe;Under the above constitution, ice packet is greatly then
Air-door actuator is opened greatly automatically, and ice packet is small, and air-door actuator turns down automatically, therefore has air output with ice packet size adjust automatically
Function does not waste warm wind resource, and cleaning effect is just right.
Detailed description of the invention
Fig. 1 is that a kind of quick-frozen hot air type clears the snow the overall structure diagram of deicing vehicle special gas dynamic formula hot-blast spray nozzle;
Fig. 2 is the body seal device and blast pipe schematic diagram of sealing device in Fig. 1;
Fig. 3 is the sealing shroud compression ring A structural schematic diagram in Fig. 1;
Fig. 4 is the ground engaging stabiliser wheel main view in Fig. 1;
In figure: 1- blast pipe;2- blast pipe movable pulley;3- nozzle body;4- sealing shroud;5- nozzle inner ring;6- ground engaging stabiliser wheel;
7- sealing shroud fixing seat A;8- shaft block ring A;9- sealing shroud compression ring A;10- sealing shroud retaining ring A;11- sealing shroud fixing seat
B;12- shaft block ring B;13- sealing shroud compression ring B;14- sealing shroud retaining ring B;15- magnet block;16- insulating layer;17- is more cheated
Device;18- air-door actuator;The first valve gear of 19-;The second valve gear of 20-.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail:
In conjunction with shown in Fig. 1 to Fig. 4, a kind of quick-frozen hot air type disclosed in the present embodiment clears the snow deicing vehicle special gas dynamic formula hot wind
Nozzle, comprising: blast pipe 1, nozzle body 3, blast pipe 1 are located inside nozzle body 3, are provided with screw thread on 3 outer wall of blast pipe,
The air supply tube being connected through a screw thread on snow-clearing car, hot wind pass through inside blast pipe 1, spray from 1 bottom of blast pipe, on blast pipe 1
Several groups movable pulley group is distributed in circumference array, and every group of movable pulley group includes at least two spray wind being sequentially arranged along the vertical direction
Pipe movable pulley 2, the movable pulley wheel body of blast pipe movable pulley 2 are placed on the vertical slideway inside nozzle body 3, make blast pipe 1 can
To be slided on vertical direction;Nozzle inner ring 5 is additionally provided with inside blast pipe 1, the upper surface air pressure of nozzle inner ring 5 when spraying wind
Greater than lower surface air pressure, make nozzle inner ring 5 by downward pressure, and then makes nozzle inner ring 5 that blast pipe 1 be driven to transport downwards
Dynamic to be close to road surface, the bottom of blast pipe 1 is provided with ground engaging stabiliser wheel 6, and ground engaging stabiliser wheel 6 is close to road surface, and when encountering ice packet, ground engaging stabiliser wheel is rolled on
Ice packet drives blast pipe 1 to move upwards, and then crosses ice packet, and 1 upper end of blast pipe is provided with two groups of Boiler pressure controls positioned opposite
Device, every group of air quantity controller include: an air-door actuator 18, first valve gears, 19, second valve gears
20, air-door actuator 18 is horizontally placed on the slideway on blast pipe 1,
Its upper surface is connect by rack gear with the first valve gear 19, and the first valve gear 19 is nibbled with the second valve gear 20
It closes, the rack gear being vertically arranged on the second valve gear 20 and nozzle body 3 engages, the first valve gear 19 and the second valve gear
20 are connect by bearing with valve connection frame, and valve connection frame is connect with blast pipe 1.The height of second valve gear 20 is higher than
First valve gear 19 avoids the first valve gear 19 from colliding with air-door actuator 18, and when encountering ice packet, ground engaging stabiliser wheel 6 drives spray wind
Pipe 1 moves upwards, and second rotation counterclockwise of valve gear 20 in left side, drives the first valve gear 19 to rotate clockwise at this time,
First valve gear 19 is moved downward by the rack drives air-door actuator 18 of 18 upper surface of air-door actuator, and then by air-door actuator
18 open, and increase air output and remove ice packet.
Specifically, it is additionally provided with sealing shroud 4 between 3 bottom of nozzle body and blast pipe 1, prevents gas from leaking.
Specifically, it is connected between sealing shroud 4 and nozzle body 3 by body seal device, body seal device includes: close
Big envelope fixing seat A7, sealing shroud compression ring A9, sealing shroud retaining ring A10, sealing shroud fixing seat A7 are fixedly installed in nozzle body 3
On, it is internal that there is annular groove, it is provided with sealing shroud compression ring A9 in annular groove, sealing shroud 4 is placed in sealing shroud compression ring
Between A9 and the annular groove inner wall of sealing shroud fixing seat A7, annular projection is provided on its outer wall of sealing shroud compression ring A9 and is used for
Increasing friction force, bottom and sealing shroud retaining ring A10 face contact, the contact surface are and sealing shroud compression ring A9 and sealing lock set
Tight ring A10 coaxial and outer low and inner high circular conical surface, sealing shroud retaining ring A10 are threadedly coupled with valve seat body 3, pass through screwing hermetic
Cover locking ring A10 compresses sealing shroud compression ring A9, and sealing shroud compression ring A9 and sealing shroud fixing seat A7 are fixed by sealing shroud 4.
Specifically, it is additionally provided with fixed ring A slot on sealing shroud compression ring A9 outer wall, axis gear is provided in fixed ring A slot
A8 is enclosed, sealing shroud 4 is placed between shaft block ring A8 and fixed ring A slot, further sealing shroud 4 is fixed.
Specifically, sealing shroud compression ring A9 includes: left sealing shroud compression ring A and right sealing shroud compression ring A, left sealing casing pressure
Tight ring A is connect by the magnet block 15 being arranged on outer wall with right sealing shroud compression ring A, left sealing shroud compression ring A and right sealing shroud
Compression ring A separated setting, left sealing shroud compression ring A and right sealing shroud compression ring A can be with when compressing sealing shroud retaining ring A10
There is certain horizontal displacement.
Specifically, it is connected between sealing shroud 4 and blast pipe 1 by blast pipe sealing device, blast pipe sealing device includes:
Sealing shroud fixing seat B11, sealing shroud compression ring B13, sealing shroud retaining ring B14, sealing shroud fixing seat B11 are fixedly installed in spray wind
On the outer wall of pipe 1, lower end has the circular conical surface coaxial and high outside and low outside with blast pipe 1, and the upper end sealing shroud compression ring B13 has
The conical surface matched with sealing shroud fixing seat B11, and there is annular projection on the conical surface, sealing shroud 4 is placed in sealing shroud fixing seat
Between B11 and sealing shroud compression ring B13, the sealing shroud lower end compression ring B13 and sealing shroud retaining ring B14 face contact seal lock set
Tight ring B14 is connected through a screw thread with blast pipe 1, and screwing hermetic cover locking ring B14 pushes sealing shroud compression ring B13 and then to sealing
Set 4 is fixed.
Specifically, it is additionally provided with fixed ring B slot on blast pipe 1, shaft block ring B12 is provided in fixed ring B slot, it is described close
Big envelope 4 is placed between shaft block ring B12 and fixed ring B slot, is further fixed to sealing shroud 4.
Specifically, it is additionally provided with insulating layer on the outer wall of nozzle body 3, nozzle body 3 is kept the temperature.
Specifically, 1 bottom of blast pipe is additionally provided with more pit device 17, and the more pit device 17 includes two inclination arrangements
Guide wheel, and the line of two guide wheels and ground engaging stabiliser wheel 6 are tangent, move ice packet relative nozzle along the tangent line, more below pit device 17
The terrain clearance of guide wheel is less than the radius of ground engaging stabiliser wheel 6, is connected between guide wheel by belt, guide wheel is connected by connection frame and blast pipe 1
It connects.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.