CN215720874U - Combustion engine air door baffle device and combustion engine cooling fan - Google Patents
Combustion engine air door baffle device and combustion engine cooling fan Download PDFInfo
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- CN215720874U CN215720874U CN202120546205.5U CN202120546205U CN215720874U CN 215720874 U CN215720874 U CN 215720874U CN 202120546205 U CN202120546205 U CN 202120546205U CN 215720874 U CN215720874 U CN 215720874U
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- air duct
- flap
- combustion engine
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Abstract
The utility model discloses a gas turbine air door baffle device and a gas turbine cooling fan, wherein the gas turbine air door baffle device comprises an air channel, a baffle structure and a reset mechanism, wherein the air channel is provided with a front side and a rear side in the length direction, a left side and a right side in the width direction, and an upper side and a lower side in the height direction; the baffle structure comprises a baffle which is rotatably arranged in the air duct along a left-right axis, and the baffle has a closed state for closing the air duct and an open state for opening the air duct; the reset mechanism comprises a pushing piece, and the pushing piece is movably arranged on the outer wall of the air duct in the front-back direction and is used for pushing the baffle to be switched between the closed state and the open state. The application also discloses a combustion engine cooling fan, including above-mentioned combustion engine air door baffle device. Compared with the traditional structure for closing the baffle, the structure is simpler, and the production and manufacturing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of combustion engines, in particular to a combustion engine air door baffle device and a combustion engine cooling fan.
Background
The air door baffle of the 9E combustion engine cooling fan is arranged at the outlet of each cooling fan air channel, the air volume of the fan is large, the air pressure is small, the ambient temperature is high, and the problem that the air door baffle cannot automatically return after the fan stops running is common to the 9E combustion engine. Each manufacturer and each power plant usually adopt the mode of increasing the balancing weight, make air door baffle can pass through gravity self-closing when the fan stops the operation. But because of the gravity direction is downward all the time, therefore the balancing weight gives the power of air door closing direction, can change along with the air door angle of closure change, need the repetition test, just can accomplish, consequently has increaseed the degree of difficulty and the cost of air door counter weight.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a gas turbine air door baffle device and a gas turbine cooling fan, and aims to solve the technical problem that in the prior art, the baffle is difficult to reset automatically.
In order to achieve the above object, the present invention provides a damper device for a gas turbine, comprising:
an air duct having front and rear sides in a length direction thereof, left and right sides in a width direction thereof, and upper and lower sides in a height direction thereof;
the baffle structure comprises a baffle, the baffle is rotatably arranged in the air duct along a left-right axis, and the baffle has a closed state for closing the air duct and an open state for opening the air duct; and the number of the first and second groups,
and the reset mechanism comprises a pushing piece, wherein the pushing piece is movably arranged on the outer wall of the air duct in the front-back direction and is used for pushing the baffle to be switched between the closed state and the open state.
Optionally, the baffle includes first baffle, first baffle axle, second baffle and second baffle axle, first baffle passes through first baffle axle is located to the axis rotation about along in the wind channel, the second baffle passes through second baffle axle is located to the axis rotation about along in the wind channel.
Optionally, the gas turbine damper flap device further comprises a linkage structure, the linkage structure comprising:
the first driven gear is arranged on the first baffle shaft;
the second driven gear is arranged on the second baffle shaft and is meshed with the first driven gear;
the transmission shaft is rotatably arranged in the air duct along a left-right axis;
and the transmission gear is arranged on the transmission shaft and is meshed with the first driven gear so as to drive the first baffle shaft and the second baffle shaft to rotate when the transmission shaft rotates.
Optionally, the pushing member includes a rack, the rack is movably disposed on the outer wall of the air duct in the front-back direction, and the rack is engaged with the transmission gear.
Optionally, the reset mechanism further comprises a guide rail, the guide rail is arranged on the outer wall of the air duct in the front-back direction, and the rack is arranged on the guide rail in a sliding manner.
Optionally, the pushing member further includes a spring, one end of the spring is connected to the end face of the rack, and the other end of the spring is fixed to the guide rail.
Optionally, the length of the rail is 280mm-320 mm.
Optionally, the air duct is cylindrical, and the first baffle and the second baffle are arranged in a semicircular shape.
In addition, to achieve the above object, the present invention also provides a cooling fan for a combustion engine, including:
an air duct having front and rear sides in a length direction thereof, left and right sides in a width direction thereof, and upper and lower sides in a height direction thereof;
the baffle structure comprises a baffle, the baffle is rotatably arranged in the air duct along a left-right axis, and the baffle has a closed state for closing the air duct and an open state for opening the air duct; and the number of the first and second groups,
and the reset mechanism comprises a pushing piece, wherein the pushing piece is movably arranged on the outer wall of the air duct in the front-back direction and is used for pushing the baffle to be switched between the closed state and the open state.
In the technical scheme provided by the utility model, when wind exists in the air duct, the baffle rotates forwards to be in an open state; when the wind stops in the wind channel, the baffle reverses to be in a closed state. For traditional adoption balancing weight utilizes gravity to promote the baffle, the structure in this application is simpler, and the degree of difficulty is lower, has reduceed manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a damper assembly for a combustion engine according to the present invention;
fig. 2 is a schematic structural diagram of the reset mechanism in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Baffle device for air door of |
106 | |
| 101 | |
107 | |
| 102 | |
108 | |
| 103 | |
109 | |
| 104 | First driven |
110 | |
| 105 | Second driven gear |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. Also, the technical solutions in the embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The air door baffle of the 9E combustion engine cooling fan is arranged at the outlet of each cooling fan air channel, the air volume of the fan is large, the air pressure is small, the ambient temperature is high, and the problem that the air door baffle cannot automatically return after the fan stops running is common to the 9E combustion engine. Each manufacturer and each power plant usually adopt the mode of increasing the balancing weight, make air door baffle can pass through gravity self-closing when the fan stops the operation. But because of the gravity direction is downward all the time, therefore the balancing weight gives the power of air door closing direction, can change along with the air door angle of closure change, need the repetition test, just can accomplish, consequently has increaseed the degree of difficulty and the cost of air door counter weight.
In view of this, the utility model provides a gas turbine air door baffle device and a gas turbine cooling fan, and aims to solve the technical problem that in the prior art, the baffle is high in automatic resetting difficulty. Referring to fig. 1 to 2, a damper device 100 for a gas turbine engine according to the present invention includes:
an air duct 101 having front and rear sides in a length direction thereof, left and right sides in a width direction thereof, and upper and lower sides in a height direction thereof;
the baffle structure comprises a baffle which is rotatably arranged in the air duct 101 along a left-right axis, and the baffle has a closed state for closing the air duct 101 and an open state for opening the air duct 101; and the number of the first and second groups,
the reset mechanism 107 comprises a pushing member, and the pushing member is movably arranged on the outer wall of the air duct 101 in the front-back direction and is used for pushing the baffle to switch between the closed state and the open state.
In the technical solution provided by the present invention, the air duct 101 is a passage for flowing an air flow, and has a front side and a rear side in a length direction thereof, a left side and a right side in a width direction thereof, and an upper side and a lower side in a height direction thereof. The air in the air duct 101 flows from back to front, the baffle is arranged at the air outlet on the front side of the air duct 101, the air duct 101 is opened when the baffle forwards, at the moment, the air in the air duct 101 can be blown out from the air duct 101, when the air duct 100 does not have air, the baffle needs to be reversed, the air duct 101 is closed, and the phenomenon that sundries enter the air duct 101 to block the air duct 101 is avoided. The reset mechanism 107 is a power device for pushing the shutter to rotate forward or backward, and is used for pushing the shutter to switch between the closed state and the open state.
Further, in this embodiment, the baffle includes a first baffle 102, a first baffle shaft, a second baffle 103, and a second baffle shaft, the first baffle 102 is disposed in the air duct 101 through the first baffle shaft along the left-right axis, and the second baffle 103 is disposed in the air duct 101 through the second baffle shaft along the left-right axis. When the first baffle plate 102 and the second baffle plate 103 are in a closed state, the first baffle plate shaft and the second baffle plate shaft extend along the vertical direction, the first baffle plate shaft and the second baffle plate shaft are arranged in the middle area of the air duct 101 in a rotating mode along the left-right direction axis, when the first baffle plate 102 and the second baffle plate 103 rotate towards the front by 90 degrees, the air duct 101 is opened, the opening state is switched, and the rotation of the first baffle plate 102 and the second baffle plate 103 is called as forward rotation; when the first shutter 102 and the second shutter 103 rotate 90 degrees backward from the open position to close the air duct, the air duct is switched to the closed position, and the rotation of the first shutter 102 and the second shutter 103 is called reverse rotation.
Further, in the present embodiment, in order to enable the rotation between the first baffle 102 and the second baffle 103 to be linked, only one of the first baffle and the second baffle needs to be driven, and the other baffle can also be driven, so as to reduce the power source. The linkage structure includes a first driven gear 104, a second driven gear 105, a transmission shaft, and a transmission gear 106. First driven gear 104 is located on the first baffle shaft, second driven gear 105 is located on the second baffle shaft, second driven gear 105 with first driven gear 104 meshing, the transmission shaft is located along controlling to the axis rotation in the wind channel 101, drive gear 106 is located on the transmission shaft, drive gear 106 with first driven gear 104 meshing, with the transmission shaft drives when rotating first baffle shaft with the second baffle shaft rotates. When the pushing piece pushes the transmission shaft to rotate, the transmission shaft can transmit motion to the first baffle shaft and the second baffle shaft, and then the first baffle plate 102 and the second baffle plate 103 are driven to rotate.
Further, in this embodiment, the pushing member includes a rack 108, the rack 108 is movably disposed on the outer wall of the air duct 101 in the front-back direction, and the rack 108 is engaged with the transmission gear 106. When the rack 108 moves forward, the driving shaft is driven to rotate, so as to drive the first baffle plate 102 and the second baffle plate 103 to rotate reversely, and the air duct 101 is covered. When the rack 108 moves backward, the transmission shaft is driven to rotate, so as to drive the first baffle plate 102 and the second baffle plate 103 to rotate forward, and the air duct 101 is opened. High stability and long service life.
Further, in this embodiment, the reset mechanism 107 further includes a guide rail 109, the guide rail 109 is disposed on the outer wall of the air duct 101 along the front-back direction, and the rack 108 is slidably disposed on the guide rail 109.
Further, in this embodiment, the pushing member further includes a spring 110, and one end of the spring 110 is connected to the end surface of the rack 108, and the other end is fixed to the guide rail 109. It should be noted that, in this embodiment, when there is wind in the wind channel 101, the wind blows the first baffle 102 and the second baffle 103 apart, the first baffle shaft and the second baffle shaft rotate forward, and then the transmission shaft is driven to rotate, the rack 108 is pushed to move backward along the guide rail 109, and the spring 110 is compressed, so that the spring 110 is in a compressed state; when the wind in the wind channel 101 stops, the spring 110 needs to be reset, and when the rack 108 is driven to move forward by the rebounding force, the rack 108 drives the transmission shaft to rotate, and the transmission shaft drives the first baffle 102 and the second baffle 103 to rotate reversely through the first baffle shaft and the second baffle shaft, so as to cover the wind channel 101. Obviously, the present design is not limited thereto, and in other embodiments, the same design purpose may be achieved.
Further, in the present embodiment, the length of the guide rail 109 is 280mm to 320 mm.
Further, in this embodiment, the air duct 101 is cylindrical, and the first baffle 102 and the second baffle 103 are disposed in a semicircular shape.
In addition, the utility model also provides a combustion engine cooling fan, which comprises the combustion engine air door baffle device 100.
It should be noted that, for the detailed structure of the internal combustion engine damper baffle device 100 in the internal combustion engine cooling fan, reference may be made to the above-mentioned embodiment of the internal combustion engine damper baffle device 100, and details are not described here; because the combustion engine air door baffle device 100 is used in the combustion engine cooling fan, the embodiment of the combustion engine cooling fan of the present invention includes all technical solutions of all embodiments of the combustion engine air door baffle device 100, and the achieved technical effects are also completely the same, and are not described herein again.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention that are made by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A damper assembly for a gas turbine engine, comprising:
an air duct having front and rear sides in a length direction thereof, left and right sides in a width direction thereof, and upper and lower sides in a height direction thereof;
the baffle structure comprises a baffle, the baffle is rotatably arranged in the air duct along a left-right axis, and the baffle has a closed state for closing the air duct and an open state for opening the air duct; and the number of the first and second groups,
and the reset mechanism comprises a pushing piece, wherein the pushing piece is movably arranged on the outer wall of the air duct in the front-back direction and is used for pushing the baffle to be switched between the closed state and the open state.
2. The gas turbine damper flap apparatus of claim 1, wherein the flap comprises a first flap, a first flap shaft, a second flap, and a second flap shaft, the first flap being rotatably disposed in the air duct along a left-right axis by the first flap shaft, the second flap being rotatably disposed in the air duct along a left-right axis by the second flap shaft.
3. The combustion engine damper flap assembly according to claim 2, further comprising a linkage structure, said linkage structure comprising:
the first driven gear is arranged on the first baffle shaft;
the second driven gear is arranged on the second baffle shaft and is meshed with the first driven gear;
the transmission shaft is rotatably arranged in the air duct along a left-right axis;
and the transmission gear is arranged on the transmission shaft and is meshed with the first driven gear so as to drive the first baffle shaft and the second baffle shaft to rotate when the transmission shaft rotates.
4. The combustion engine damper baffle device of claim 3, wherein the pushing member comprises a rack, the rack is movably arranged on the outer wall of the air duct in the front-back direction, and the rack is meshed with the transmission gear.
5. The gas turbine damper flap assembly according to claim 4, wherein the return mechanism further comprises a guide rail disposed on the outer wall of the duct in the front-to-back direction, and the rack is slidably disposed on the guide rail.
6. The gas turbine damper flap assembly of claim 5 wherein the push member further comprises a spring having one end connected to the end face of the rack and the other end secured to the guide rail.
7. The gas turbine damper flap assembly of claim 5, wherein the length of said guide rail is from 280mm to 320 mm.
8. The combustion engine damper baffle assembly of claim 2, wherein the air duct is cylindrical and the first baffle and the second baffle are disposed in a semicircular configuration.
9. A cooling fan for a combustion engine comprising a damper flap assembly for a combustion engine as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120546205.5U CN215720874U (en) | 2021-03-16 | 2021-03-16 | Combustion engine air door baffle device and combustion engine cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120546205.5U CN215720874U (en) | 2021-03-16 | 2021-03-16 | Combustion engine air door baffle device and combustion engine cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720874U true CN215720874U (en) | 2022-02-01 |
Family
ID=80013145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120546205.5U Active CN215720874U (en) | 2021-03-16 | 2021-03-16 | Combustion engine air door baffle device and combustion engine cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720874U (en) |
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2021
- 2021-03-16 CN CN202120546205.5U patent/CN215720874U/en active Active
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