CN116714615B - Air supply duct of railway vehicle - Google Patents
Air supply duct of railway vehicle Download PDFInfo
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- CN116714615B CN116714615B CN202310514920.4A CN202310514920A CN116714615B CN 116714615 B CN116714615 B CN 116714615B CN 202310514920 A CN202310514920 A CN 202310514920A CN 116714615 B CN116714615 B CN 116714615B
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- air duct
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- 230000007246 mechanism Effects 0.000 claims abstract description 92
- 238000004140 cleaning Methods 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 13
- 230000001105 regulatory effect Effects 0.000 description 10
- 239000000428 dust Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention belongs to the technical field of rail vehicles, and provides an air supply duct of a rail vehicle, which comprises: an air supply duct main body and an air duct inlet and outlet pipe; the air duct inlet and outlet pipe is communicated with the inlet and outlet end of the air supply air duct main body, the air duct inlet and outlet pipe is connected with the air supply air duct main body through radian, a group of air quantity adjusting mechanisms are arranged in the middle of the air duct inlet and outlet pipe and used for adjusting the aperture of the air duct inlet and outlet pipe, so that the air quantity entering and exiting from the inside of the air duct inlet and outlet pipe is adjusted, then the optimal air inlet and outlet condition is provided for an air conditioning unit, the efficient operation of the air conditioning unit of the rail vehicle is maintained, a cleaning mechanism is arranged in the middle of the air quantity adjusting mechanism and synchronously operates with the air quantity adjusting mechanism, and the inner wall of the air duct inlet and outlet pipe is synchronously cleaned when the air quantity entering and exiting from the air duct inlet and outlet pipe is adjusted each time, so that the dual-functional mode of automatically adjusting the air quantity entering and exiting from the air supply air duct is realized.
Description
Technical Field
The invention belongs to the technical field of rail vehicles, and particularly relates to an air supply duct of a rail vehicle.
Background
As the field of rail vehicles has evolved and explored, roof wind channels have received increasing attention and attention from passengers and designers as part of a vehicle ventilation system. In order to create a good indoor air environment, the air flow needs to be reasonably organized and the interior of the passenger room is uniformly supplied with air, so that the reasonable design of the air duct becomes an important component part in the train ventilation system.
The prior patent has the authority number of CN212890338U, discloses an air supply duct of a railway vehicle, which comprises a main duct, a branch duct, an air inlet duct, an air outlet duct, an air supply duct, a lower duct, an air duct shell and a cross beam; the independent branch air duct is integrated in the main air duct through the design, the branch air duct adopts a unique U-shaped turning structure, smooth transition is used at the bending part, and the internal resistance of the branch air duct is reduced. In the research of the integrated roof structure, the lower air supply channel and the roof beam of the unit are designed into an integrated structure, so that the whole device is easier to install, and is also suitable for more different railway vehicles; meanwhile, the internal structure of the air duct of the existing railway vehicle is complex, the requirement on the air inlet and outlet quantity is higher when the air duct is used, meanwhile, the aperture of the inlet and outlet of the air duct is relatively larger, when the air inlet and outlet quantity is controlled, the existing gas control valve is difficult to accurately install, control and adjust, mainly, the air quantity and wind speed flowing condition of the air duct is difficult to remotely and automatically control, and because the air conditioning unit connected with the air duct has higher requirement on the air inlet and outlet quantity, the air inlet and outlet quantity of the air duct in different time periods is also synchronously higher, and the air duct is required to have high-efficiency and stable adjusting capability;
therefore, in view of the problems, the technical scheme designs the air supply duct of the railway vehicle.
Disclosure of Invention
The embodiment of the invention aims to provide an air supply duct of a railway vehicle, and aims to solve the problems.
The invention is realized in that the air supply duct of the railway vehicle comprises: an air supply duct main body and an air duct inlet and outlet pipe; the air duct inlet and outlet pipe is communicated with the inlet and outlet ends of the air supply duct main body, the air duct inlet and outlet pipe is made of flexible materials, the air duct inlet and outlet pipe has the function of changing diameter, the air duct inlet and outlet pipe is connected with the air supply duct main body in an arc way, the air duct inlet and outlet pipe always keeps sealed stable connection with the air supply duct main body when adjusting the aperture, a group of air quantity adjusting mechanisms are arranged in the middle of the air duct inlet and outlet pipe and used for adjusting the aperture of the air duct inlet and outlet pipe, thereby adjusting the air quantity of the air duct inlet and outlet pipe, then providing optimal air inlet and outlet conditions for an air conditioning unit, keeping the efficient operation of the air conditioning unit of the railway vehicle, the two ends of the air quantity adjusting mechanisms are provided with power shafts, the power shafts are sleeved with supporting positioning rods on the power shafts, the power shafts extend to the inside of the air supply duct main body or the outside of the air duct inlet and outlet pipe, the power shafts are fixed through the supporting positioning rods, meanwhile, a power device is detachably arranged on one end of the power shafts, the power device operates under the connection of the power shafts, the driving air quantity adjusting mechanism operates, the air quantity adjusting mechanism is arranged in the middle of the air duct adjusting mechanism, the cleaning mechanism operates synchronously with the air quantity adjusting mechanism, the air quantity adjusting mechanism operates in the air duct inlet and outlet pipe aperture, and air inlet and outlet pipe is adjusted, and air outlet pipe aperture is then the air-out, and air conditioning the air duct is automatically cleaned, and the air duct inlet and outlet pipe is rotated, and the air conditioning and the air duct is adjusted, and the air duct and the efficiency and the air duct is cleaned.
Preferably, the flexible material adopted by the air duct inlet and outlet pipe is PVC synthetic material or rubber material.
Preferably, the air quantity adjusting mechanism comprises two lead screws distributed at the axes of the two ends in the air duct inlet and outlet pipe, the directions of the tooth grooves of the two lead screws are opposite, a group of cleaning mechanism shafts are connected between the lead screws in a detachable mode, the cleaning mechanism shafts coincide with the axes of the lead screws on the two sides, the cleaning mechanism is installed on the cleaning mechanism shafts, one ends of the two lead screws, far away from the cleaning mechanism shafts, are fixedly connected with the power shafts, nuts are connected with the lead screws on the two sides in a threaded mode, phase guiding devices used for limiting the rotation of the lead screws are arranged on the nuts, the lead screws are installed on the ends, far away from the power shafts, of the lead screws, the outer sides of the lead screws are rotatably connected with fixing rings, the fixing rings are in a static state, the nuts on the lead screws and the outer sides of the fixing rings are correspondingly provided with a plurality of shaft brackets at equal intervals, the shaft brackets on the positions corresponding to the fixing rings are all connected with a swinging rod through swinging shafts in a swinging mode, the top of the swinging rod is connected with a connecting rod which is horizontally distributed, the connecting rod is parallel to the axes of the lead screws, and the diameter adjusting plate of the pipe orifice of the connecting rod is fixedly installed at the top.
Preferably, the vertical section of the pipe orifice diameter adjusting plate is of an arc-shaped structure, and the outer top is outwards protruded.
Preferably, the outside of the rod shaft is provided with a circle of sliding rail, the inner wall of the fixed ring is provided with a plurality of sliding blocks at equal intervals in a ring shape, and the sliding blocks slide along the inside of the sliding rail.
Preferably, the cleaning mechanism comprises pipe orifice inner wall cleaning plates which are elastically connected to two sides of the cleaning mechanism shaft in a telescopic mode.
Preferably, two telescopic holes are symmetrically formed in the two sides of the middle part of the cleaning mechanism shaft, telescopic rods are connected inside the telescopic holes in a telescopic mode, rectangular blocks are mounted at the outer tops of the telescopic rods, the tops of the rectangular blocks are fixedly connected with the pipe orifice inner wall cleaning plates through connecting blocks, spring connecting rods are symmetrically mounted on the two sides of the rectangular blocks, springs are elastically connected between the upper side spring connecting rods and the lower side spring connecting rods, and when the springs are in a compressed state, the outer tops of the pipe orifice inner wall cleaning plates are always controlled to be in contact with the inner wall of the air duct inlet and outlet pipe.
Preferably, a layer of brushing surface is uniformly laid on the outer top of the cleaning plate on the inner wall of the pipe orifice.
Preferably, the centers of two ends of the cleaning mechanism shaft are provided with connecting shaft holes, the inside of each connecting shaft hole is connected with a connecting shaft in a telescopic mode, a plurality of positioning pins are installed on the outer side wall of the circumference of each connecting shaft, positioning pin sliding grooves are formed in the corresponding connecting shaft holes of the positioning pins, and the positioning pins are in sliding connection with the positioning pin sliding grooves.
According to the air supply duct for the rail vehicle, the air duct inlet and outlet pipe capable of elastically expanding is connected at the inlet and outlet of the air supply duct main body, the air quantity adjusting mechanism capable of remotely controlling and adjusting the inner diameter of the air duct inlet and outlet pipe is arranged in the air duct inlet and outlet pipe, so that efficient adjustment of air intake and exhaust quantity in the air supply duct main body is achieved, efficient operation of an air conditioning unit in the rail vehicle is fully matched, meanwhile, the air quantity adjusting mechanism is provided with the cleaning mechanism which rotates along with the operation of the air quantity adjusting mechanism, the cleaning mechanism is kept in elastic stable contact with the inner wall of the air duct inlet and outlet pipe, inner cleaning is synchronously performed when the air quantity adjustment is performed on the air duct inlet and outlet pipe, no intentional cleaning is required for the air duct inlet and outlet pipe, the cleaning is automatically performed on the air duct inlet and outlet pipe, pollution of air caused by impurities attached to the inner wall of the air duct inlet and outlet pipe is reduced, meanwhile, the residual quantity of dust concentrated on the inlet and outlet end of the air duct main body is reduced, corrosion of the air supply duct main body is reduced, and the service life of the air supply duct main body is prolonged.
Drawings
Fig. 1 is a schematic structural view of a supply duct of a railway vehicle.
Fig. 2 is a schematic perspective view of a wind amount adjusting mechanism in a wind supply duct of a rail vehicle.
Fig. 3 is a schematic diagram of a front view of a wind amount adjusting mechanism in a wind supply duct of a rail vehicle.
Fig. 4 is a schematic top view of the air quantity adjusting mechanism in the air supply duct of the railway vehicle.
Fig. 5 is a schematic side view of the air quantity adjusting mechanism in the air supply duct of the railway vehicle.
FIG. 6 is a schematic view of the internal structure of the cleaning mechanism shaft in the supply duct of the rail vehicle.
FIG. 7 is a schematic view of the structure of a retaining ring in a rail vehicle air supply duct;
in the accompanying drawings: the air supply duct main body 10, the duct inlet and outlet pipe 11, the air volume adjusting mechanism 12, the power shaft 13, the supporting positioning rod 14, the pipe orifice diameter adjusting plate 15, the pipe orifice inner wall cleaning plate 16, the screw rod 17, the nut 18, the fixing ring 19, the connecting shaft 20, the connecting shaft hole 21, the positioning pin 22, the swinging rod 23, the connecting rod 24, the shaft bracket 25, the sliding block 26, the sliding rail 27, the connecting block 28, the rectangular block 29, the telescopic rod 30, the limiting block 31, the telescopic hole 32, the spring 33, the spring connecting rod 34, the brush face 36, the positioning pin sliding groove 37, the swinging shaft 38, the cleaning mechanism shaft 39 and the notch 40.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
1-5, a block diagram of an air supply duct of a rail vehicle according to an embodiment of the present invention includes: an air supply duct body 10 and duct inlet/outlet pipes 11; the air duct inlet and outlet pipe 11 is communicated with the inlet end and the outlet end of the air supply duct main body 10, the air duct inlet and outlet pipe 11 is made of flexible materials, the air duct inlet and outlet pipe 11 has the function of diameter change, the air duct inlet and outlet pipe 11 is connected with the air supply duct main body 10 in an arc way, the air duct inlet and outlet pipe 11 is always in sealed stable connection with the air supply duct main body 10 when the aperture is regulated, a group of air quantity regulating mechanisms 12 are arranged in the middle of the air duct inlet and outlet pipe 11, the air quantity regulating mechanisms 12 are used for regulating the aperture of the air duct inlet and outlet pipe 11, thereby regulating the air inlet and outlet quantity in the air duct inlet and outlet pipe 11, the optimal air inlet and outlet conditions are provided for the air conditioning unit, the efficient operation of the air conditioning unit of the rail vehicle is maintained, the power shafts 13 are arranged at two ends of the air quantity regulating mechanisms 12, supporting positioning and positioning rods 14 are sleeved on the power shafts 13, the power shafts 13 extend to the inside of the air supply duct main body 10 or the outside the air duct inlet and outlet pipe 11, the shafts 13 are fixed through the supporting and positioning rods 14, meanwhile, one end of the power shafts 13 is detachably provided with a power device, the power device is arranged under the connection of the shafts 13, the power device 12, the air regulating mechanism 12 is arranged, the air regulating mechanism is arranged, and is arranged in the middle of the air regulating mechanism, and is used for regulating the air duct inlet and outlet pipe, and the air conditioning mechanism, and automatically, and is arranged in the mode, and is in a synchronous mode of the cleaning mode of the air duct inlet and outlet pipe 11.
In the embodiment of the invention, the flexible material adopted by the air duct inlet and outlet pipe 11 is PVC synthetic material or rubber material, so that the air duct inlet and outlet pipe 11 can be kept to perform good telescopic function, namely, the aperture of the air duct inlet and outlet pipe 11 is adjusted within a certain range under the adjustment of the air quantity adjusting mechanism 12; the power device can be arranged into a servo motor or motor and other structures, an output shaft of the power device is connected with a power shaft 13 for remotely controlling the start and stop of the air quantity adjusting mechanism 12, one section of inner wall of the air supply air duct main body 10 communicated with the air duct inlet and outlet pipe 11 is arranged into a hard structure, when the structure for fixing the supporting and positioning rod 14 is not arranged outside the air duct inlet and outlet pipe 11, the power shaft 13 can be fixed inside the air supply air duct main body 10 through the supporting and positioning rod 14, then the power shaft 13 at the inner part of the air supply air duct main body 10 is connected with a corresponding power device, the power shaft 13 and the supporting and positioning rod 14 are arranged inside the air supply air duct main body 10, the normal operation of the air quantity adjusting mechanism 12 is not influenced, the complexity of the whole external structure of the air supply air duct main body 10 and the air duct inlet and outlet pipe 11 can be reduced, and the aesthetic property is improved.
In one embodiment of the invention, the air quantity adjusting mechanism 12 comprises two lead screws 17 distributed at the axes of both ends in the air channel inlet and outlet pipe 11, the directions of tooth grooves of the two lead screws 17 are opposite, a group of cleaning mechanism shafts 39 are connected between the lead screws 17 in a detachable mode, the cleaning mechanism shafts 39 are overlapped with the axes of the lead screws 17 at both sides, the cleaning mechanism is arranged on the cleaning mechanism shafts 39, one ends of the two lead screws 17 far away from the cleaning mechanism shafts 39 are fixedly connected with the power shaft 13, namely, under the connection coordination of the power device and the power shaft 13, one lead screw 17 is driven to rotate firstly, then under the connection of the cleaning mechanism shafts 39, the other lead screw 17 is synchronously controlled to rotate, a nut 18 is connected with each lead screw 17 at both sides in a threaded mode, a phase guiding device for limiting the rotation of the lead screws is arranged on the nut 18, because the directions of the lead screws 17 at both sides are opposite, when the lead screws 17 at both sides rotate in the same direction, the two sets of nuts 18 move relatively, namely synchronously move towards the cleaning mechanism shaft 39 or move away from the cleaning mechanism shaft, a rod shaft is arranged at one end of the screw rod 17 away from the power shaft 13, a fixed ring 19 is rotatably connected to the outer side of the rod shaft, the fixed ring 19 is in a static state, namely, when the rod shaft rotates along with the screw rod 17, the fixed ring 19 is kept fixed, a plurality of shaft brackets 25 are correspondingly and annularly arranged at equal intervals on the nut 18 on the screw rod 17 and the outer side of the fixed ring 19, the shaft brackets 25 at corresponding positions on the nut 18 and the fixed ring 19 are all connected with a swinging rod 23 in a swinging way through a swinging shaft 38, the top end of the swinging rod 23 is connected with a connecting rod 24 which is transversely distributed through the swinging shaft 38, the connecting rod 24 is parallel to the axis of the screw rod 17, a pipe orifice diameter adjusting plate 15 is fixedly arranged at the top of the connecting rod 24, and when the screw rod 17 is started to rotate to control the nut 18 to move along the screw rod 17, the swinging rod 23 and the connecting rod 24 are matched, the shaft bracket 25 and the swinging shaft 38 are connected, the adjusting nut 18 and the swinging rod 23 connected with the connecting rod 24 on the fixed ring 19 swing, so that the height of the connecting rod 24 from the screw rod 17 is adjusted, then the top of the pipe orifice diameter adjusting plate 15 is matched to contact with the inner wall of the air duct inlet and outlet pipe 11, and then the inner aperture of the air duct inlet and outlet pipe 11 is adjusted by radially moving the plurality of pipe orifice diameter adjusting plates 15 along the inner part of the air duct inlet and outlet pipe 11;
specifically, the vertical section of the pipe orifice diameter adjusting plate 15 is in an arc-shaped structure, the outer top is outwards protruded, the pipe orifice diameter adjusting plate 15 and the inner wall of the air channel inlet and outlet pipe 11 are kept to be fully attached and supported, meanwhile, the length of the pipe orifice diameter adjusting plate 15 is shorter, the aperture of the air channel inlet and outlet pipe 11 can be adjusted by utilizing the plurality of pipe orifice diameter adjusting plates 15, the contact area with the inner wall of the air channel inlet and outlet pipe 11 is reduced, and the cleaning mechanism can conduct contact cleaning on the maximum area of the air channel inlet and outlet pipe 11.
It is noted that, referring to fig. 7, a circle of sliding rail 27 is provided on the outer side of the rod shaft, a plurality of sliding blocks 26 are installed on the inner wall of the fixed ring 19 at equal intervals, the sliding blocks 26 slide along the inside of the sliding rail 27, when the sliding rail 27 is driven to rotate by the rotation of the screw rod 17, the sliding connection between the sliding blocks 26 and the sliding rail 27 is utilized to keep the relative stability of the fixed ring 19, so that the nut 18 and the swinging rods 23 on the two sides of the fixed ring 19 are stably opened and closed, the section of the sliding rail 27 is in a T-shaped structure, and meanwhile, the sliding blocks 26 are matched with the sliding rail 27 in the T-shaped structure, so that the sliding blocks 26 can stably slide in the sliding rail 27.
As a preferred embodiment of the invention, the cleaning mechanism comprises pipe orifice inner wall cleaning plates 16 which are elastically and telescopically connected to two sides of a cleaning mechanism shaft 39, when the cleaning mechanism shaft 39 rotates along with a screw rod 17, the pipe orifice inner wall cleaning plates 16 on two sides are simultaneously driven to contact with the inner wall of the air duct inlet and outlet pipe 11, then the pipe orifice inner wall cleaning plates 16 rotationally clean impurities and dust on the inner wall of the air duct inlet and outlet pipe 11, and the length of the pipe orifice inner wall cleaning plates 16 is basically covered to the inner length of the air duct inlet and outlet pipe 11 except the position where the pipe orifice diameter adjusting plate 15 contacts with the inner wall of the air duct inlet and outlet pipe 11;
1-6, two telescopic holes 32 are symmetrically formed in two sides of the middle part of a cleaning mechanism shaft 39, a telescopic rod 30 is connected inside the telescopic holes 32 in a telescopic manner, a rectangular block 29 is mounted on the outer top of the telescopic rod 30, the top end of the rectangular block 29 is fixedly connected with an inner wall cleaning plate 16 of an air duct through a connecting block 28, the telescopic rod 30 stretches inside the telescopic holes 32 to keep the inner wall cleaning plate 16 of the air duct to follow the change of the inner diameter of the air duct inlet and outlet pipe 11, the inner wall cleaning plate is contacted with the inner wall of the air duct inlet and outlet pipe 11 in real time, spring connecting rods 34 are symmetrically mounted on two sides of the rectangular block 29, springs 33 are elastically connected between the upper side spring connecting rods 34 and the lower side spring connecting rods, the two inner wall cleaning plates 16 of the air duct are elastically connected through the springs 33 on two sides, when the springs 33 are in a compressed state, the outer top of the inner wall cleaning plate 16 of the air duct inlet and outlet pipe 11 is always controlled to be contacted with the inner wall of the air duct inlet and outlet pipe 11, and the telescopic distance of the springs 33 synchronously changes when the inner diameter of the air duct inlet and outlet pipe 11 changes, and the inner wall cleaning plate 16 of the inner wall cleaning mechanism shaft 39 is always contacted with the inner wall of the air duct inlet and outlet pipe 11 is controlled to rotate, and the inner wall cleaning plate 16 is synchronously driven to rotate along the inner wall of the air duct inlet and outlet pipe 11 through rotation of the cleaning mechanism shaft through rotation control of a screw 17;
it is noted that the bottom end of the telescopic rod 30 arranged in the telescopic hole 32 is provided with the limiting block 31, the limiting block 31 slides along the telescopic hole 32 and simultaneously prevents the telescopic rod 30 from separating from the telescopic hole 32, a layer of brush surface 36 is uniformly paved on the outer top of the cleaning plate 16 on the inner wall of the pipe orifice, the brush surface 36 is utilized to contact and rotate with the inner wall of the air duct inlet and outlet pipe 11, the cleaning speed and the cleaning quality of impurity dust on the inner side of the air duct inlet and outlet pipe 11 can be sufficiently improved, and as the cleaning mechanism shaft 39 is in a columnar structure, when the spring connecting rods 34 positioned on two sides of the cleaning mechanism shaft 39 are elastically connected through the springs 33, in order to prevent the springs 33 from contacting with the outer side wall of the cleaning mechanism shaft 39, the notch 40 is formed on the outer side wall of the periphery of the cleaning mechanism shaft 39, the probability of the contact of the springs 33 and the outer side wall of the cleaning mechanism shaft 39 can be reduced, and mutual influence is prevented.
As a preferred embodiment of the invention, in order to facilitate the disassembly of the cleaning mechanism and the air volume adjusting mechanism 12 and the maintenance and replacement of parts thereof, the centers of two ends of the cleaning mechanism shaft 39 are provided with the connecting shaft holes 21, the inside of the connecting shaft holes 21 is connected with the connecting shaft 20 in a telescopic manner, the circumferential outer side wall of the connecting shaft 20 is provided with a plurality of positioning pins 22, the inside of the connecting shaft holes 21 corresponding to the positioning pins 22 is provided with the positioning pin sliding grooves 37, the positioning pins 22 are in sliding connection with the positioning pin sliding grooves 37, the screw 17 can still control the synchronous rotation of the cleaning mechanism shaft 39 when rotating while keeping the telescopic installation of the connecting shaft 20 and the connecting shaft holes 21, and the distance between the screw 17 and the cleaning mechanism shaft 39 is favorable for adjusting, namely, the interval between the nozzle diameter adjusting plate 15 and the nozzle inner wall cleaning plate 16 is synchronously adjusted.
In the above embodiment of the invention, the air supply duct for the rail vehicle is provided, when in use, according to the structure of the air supply duct main body 10 for the rail vehicle and the position conditions distributed on the roof of the rail vehicle, the supporting and positioning rod 14 is arranged at the top of the rail vehicle inside the air supply duct main body 10 at the inner end of the air supply duct inlet and outlet pipe 11 or outside the air supply duct inlet and outlet pipe 11, then the screw rod 17 and the cleaning mechanism shaft 39 are arranged at the position where the inner axes of the air supply duct inlet and outlet pipe 11 overlap, meanwhile, the elastic action of the spring 33 is utilized to keep the brush surface 36 at the top of the pipe orifice inner wall cleaning plate 16 to be contacted with the inner wall of the air supply duct inlet and outlet pipe 11, then the power shaft 13 connected with the supporting and positioning rod is controlled to rotate by a remote control power device, and then the screw rod 17 connected with the supporting and positioning rod is synchronously driven to rotate, the connection of the connecting shaft 20, the connecting shaft hole 21, the positioning pin 22 and the positioning pin sliding groove 37 further synchronously controls the rotation of the cleaning mechanism shaft 39 and the screw rod 17 at the other end, when the screw rod 17 rotates, the nuts 18 on the screw rod relatively move, then the swinging rods 23 on the fixing rings 19 are matched, the synchronous control pipe orifice diameter adjusting plate 15 radially moves along the inside of the air channel inlet and outlet pipe 11 to shrink and expand the diameter of the inside of the air channel inlet and outlet pipe 11, so as to adjust the inlet and outlet air quantity of the inside of the air channel inlet and outlet pipe 11, simultaneously, when the cleaning mechanism shaft 39 rotates, the telescopic rods 30 are matched to synchronously drive the pipe orifice inner wall cleaning plate 16 to rotate along the inside of the air channel inlet and outlet pipe 11, then the brush face 36 is driven to clean the contacted inner wall of the air channel inlet and outlet pipe 11, dust and impurities adhered on the inner wall of the air channel inlet and outlet pipe 11 are cleaned, and the air in an air conditioning unit in a railway vehicle is kept clean, and the clean air discharged by the air conditioning unit.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The rail vehicle air supply wind channel, its characterized in that, rail vehicle air supply wind channel includes: an air supply duct main body (10) and an air duct inlet and outlet pipe (11); the air channel inlet and outlet pipe (11) is communicated with the inlet and outlet end of the air supply air channel main body (10), the air channel inlet and outlet pipe (11) is made of flexible materials, and the air channel inlet and outlet pipe (11) is in radian connection with the air supply air channel main body (10);
the air quantity adjusting mechanism (12) is arranged in the middle of the air duct inlet and outlet pipe (11), and the air quantity adjusting mechanism (12) is used for adjusting the aperture of the air duct inlet and outlet pipe (11);
the power shaft (13) is arranged at two ends of the air quantity adjusting mechanism (12), a supporting and positioning rod (14) is sleeved on the power shaft (13) in a positioning way, and the power shaft (13) extends to the inside of the air supply air duct main body (10) or the outside of the air duct inlet and outlet pipe (11);
the power device is detachably arranged on the power shaft (13) at one end of the power device, and the power device is used for driving the power shaft (13) to operate;
the cleaning mechanism is arranged in the middle of the air quantity adjusting mechanism (12), the cleaning mechanism and the air quantity adjusting mechanism (12) synchronously operate, and the air quantity adjusting mechanism (12) drives the cleaning mechanism to operate while adjusting the aperture size of the air channel inlet and outlet pipe (11) so as to rotationally clean the inner wall of the air channel inlet and outlet pipe (11).
2. The air supply duct of the railway vehicle according to claim 1, wherein the flexible material adopted by the air duct inlet and outlet pipe (11) is PVC synthetic material or rubber material.
3. The air supply duct for the rail vehicle according to claim 2, wherein the air volume adjusting mechanism (12) comprises two lead screws (17) distributed at the axes of two ends inside the air duct inlet and outlet pipe (11), tooth grooves of the two lead screws (17) are opposite in direction, a group of cleaning mechanism shafts (39) are detachably connected between the lead screws (17), the cleaning mechanism shafts (39) are coincided with the axes of the lead screws (17) at two sides, the cleaning mechanism is arranged on the cleaning mechanism shafts (39), one ends of the two lead screws (17) far away from the cleaning mechanism shafts (39) are fixedly connected with the power shaft (13), nuts (18) are connected with threads on the lead screws (17) at two sides, phase guiding devices for limiting the rotation of the lead screws (18) are arranged on the nuts (18), one ends of the lead screws (17) far away from the power shaft (13) are provided with fixing rings (19), the outer sides of the fixing rings (19) are rotatably connected with shaft shafts (19), the nuts (18) on the fixing rings (17) are in a static state, a plurality of shaft brackets (25) are correspondingly annularly arranged at equal intervals on the outer sides of the fixing rings (19), one end of each of the fixing rings (19) is connected with a swinging rod (23) through a swinging rod (23) at the corresponding position of the fixing rings (19), the connecting rod (24) is parallel to the axis of the screw rod (17), and a pipe orifice diameter adjusting plate (15) is fixedly arranged at the top of the connecting rod (24).
4. A supply air duct for a rail vehicle according to claim 3, wherein the nozzle diameter adjusting plate (15) is provided with an arc-shaped structure in vertical section, and the outer top portion thereof is protruded outwardly.
5. The air supply duct of the rail vehicle according to claim 4, wherein a circle of sliding rails (27) are arranged on the outer side of the rod shaft, a plurality of sliding blocks (26) are annularly and equally arranged on the inner wall of the fixed ring (19), and the sliding blocks (26) slide along the inner parts of the sliding rails (27).
6. The supply duct of a rail vehicle of claim 5, wherein the cleaning mechanism comprises nozzle inner wall cleaning plates (16) elastically connected to both sides of a cleaning mechanism shaft (39).
7. The air supply duct for the railway vehicle according to claim 6, wherein two telescopic holes (32) are symmetrically formed in two sides of the middle of the shaft (39) of the cleaning mechanism, telescopic rods (30) are connected inside the telescopic holes (32) in a telescopic mode, rectangular blocks (29) are mounted on the outer tops of the telescopic rods (30), the tops of the rectangular blocks (29) are fixedly connected with the cleaning plates (16) on the inner walls of the pipe openings through connecting blocks (28), spring connecting rods (34) are symmetrically mounted on two sides of the rectangular blocks (29), springs (33) are elastically connected between the upper side spring connecting rods (34) and the lower side spring connecting rods, and when the springs (33) are in a compressed state, the outer tops of the cleaning plates (16) on the inner walls of the pipe openings are always controlled to be in contact with the inner walls of the air duct inlet and outlet pipes (11).
8. The air supply duct of the railway vehicle according to claim 7, wherein a layer of brush surface (36) is uniformly laid on the outer top of the pipe orifice inner wall cleaning plate (16).
9. The air supply duct for the rail vehicle according to claim 8, wherein the centers of two ends of the shaft (39) of the cleaning mechanism are provided with connecting shaft holes (21), the inside of the connecting shaft holes (21) is connected with a connecting shaft (20) in a telescopic manner, a plurality of positioning pins (22) are installed on the peripheral outer side wall of the connecting shaft (20), positioning pin sliding grooves (37) are formed in the inside of the connecting shaft holes (21) corresponding to the positioning pins (22), and the positioning pins (22) are in sliding connection with the positioning pin sliding grooves (37).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310514920.4A CN116714615B (en) | 2023-05-09 | 2023-05-09 | Air supply duct of railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310514920.4A CN116714615B (en) | 2023-05-09 | 2023-05-09 | Air supply duct of railway vehicle |
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| CN116714615A CN116714615A (en) | 2023-09-08 |
| CN116714615B true CN116714615B (en) | 2023-11-17 |
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| CN110887182A (en) * | 2019-11-08 | 2020-03-17 | 珠海格力电器股份有限公司 | Air opening assembly, air conditioner and control method of air conditioner |
| KR20200115866A (en) * | 2019-03-28 | 2020-10-08 | 에이스마하이엔지 주식회사 | Duct cleaning apparatus of air conditioning system, duct cleaning system of air conditioning system and method thereof |
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| CN214057533U (en) * | 2021-01-05 | 2021-08-27 | 成都恒联巨鑫轨道客车配件有限公司 | Air duct for air conditioning unit of railway vehicle |
| CN217303147U (en) * | 2022-04-12 | 2022-08-26 | 维科集团有限公司 | Energy-saving ventilating duct structure for refrigeration equipment |
| CN115507533A (en) * | 2022-09-19 | 2022-12-23 | 湖南高速铁路职业技术学院 | Heating and ventilation air conditioner and air outlet air quantity adjusting device thereof |
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2023
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Patent Citations (6)
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| KR20200115866A (en) * | 2019-03-28 | 2020-10-08 | 에이스마하이엔지 주식회사 | Duct cleaning apparatus of air conditioning system, duct cleaning system of air conditioning system and method thereof |
| CN110887182A (en) * | 2019-11-08 | 2020-03-17 | 珠海格力电器股份有限公司 | Air opening assembly, air conditioner and control method of air conditioner |
| CN213083151U (en) * | 2020-07-28 | 2021-04-30 | 青岛德尔中恒轨道交通科技有限公司 | Interior air duct made of high-strength stable composite board |
| CN214057533U (en) * | 2021-01-05 | 2021-08-27 | 成都恒联巨鑫轨道客车配件有限公司 | Air duct for air conditioning unit of railway vehicle |
| CN217303147U (en) * | 2022-04-12 | 2022-08-26 | 维科集团有限公司 | Energy-saving ventilating duct structure for refrigeration equipment |
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|---|---|
| CN116714615A (en) | 2023-09-08 |
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