CN206831539U - A kind of driving structure of gas baffle door - Google Patents
A kind of driving structure of gas baffle door Download PDFInfo
- Publication number
- CN206831539U CN206831539U CN201720581942.2U CN201720581942U CN206831539U CN 206831539 U CN206831539 U CN 206831539U CN 201720581942 U CN201720581942 U CN 201720581942U CN 206831539 U CN206831539 U CN 206831539U
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- CN
- China
- Prior art keywords
- power transmission
- baffle door
- transmission shaft
- rotating shaft
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of driving structure of gas baffle door, it is intended to solves gas baffle door drive mechanism and opens and closes during baffle door that stationarity and reliability are bad, total weight is big, and heat-resisting ability is poor, and moment of torsion transmits bad deficiency.The utility model includes the power transmission shaft that both ends are arranged on housing, is connected to two rotating shafts of both ends of the drive shaft, rocking arm is fastenedly connected on power transmission shaft; drive link is hinged on rocking arm, drive link is hinged baffle door, and power transmission shaft is hollow tubular structures; rotating shaft is axially arranged with passage; passage connects with power transmission shaft inner chamber, rotating shaft ventilation outer end of hole connection inlet suction port, another rotating shaft ventilation outer end of hole connection air outlet adapter; power transmission shaft outer wall is set with heat-insulation layer, and inlet suction port blasts cooling gas；It is all connected with driving rocking handle in rotating shaft, drives and hydraulic cylinder piston rod is hinged on rocking handle, baffle door upper end is rotatably hung on housing.
Description
Technical field
A kind of gas baffle door is the utility model is related to, more specifically, it relates to a kind of driving knot of gas baffle door
Structure.
Background technology
Integrated gas-steam combined cycle power plant technology has generating efficiency height, environmental protection is good, the method for operation is flexible, builds
Many advantages, such as cycle is short, it is widely used in the world.Gas baffle door is that the key of Gas-steam Combined Cycle power plant is set
Standby, it couples gas turbine and waste heat boiler, play regulation unit flexibly run, quick start-stop, the effect such as safeguard protection.In work
Need gas baffle door being turned on and off during work, this action is typically realized by driving structure, but is at present turned
The applicable temperature of axle is mostly below 600 degrees Celsius.With the continuous upgrading of combustion engine, the temperature and flow of flue gas improve constantly,
The delivery temperature of current 9HA levels combustion engine state-of-the-art in the world is close to 700 degrees Celsius, and the structure of existing gas baffle door is not
It can meet that temperature is higher, flow is bigger, Flow Field Distribution is more complicated, the worse working condition of working environment.Matched cigarette
Gas baffle door, its power transmission shaft should transmit bigger moment of torsion, adapt to higher temperature again, and weight is also as far as possible small, with
Reduce cost.And traditional driving structure weight is big, heat-resisting ability is poor, and moment of torsion transmits bad, driving structure opening and closing
Stationarity and reliability are bad during baffle door.
Utility model content
The utility model overcomes gas baffle door drive mechanism and opens and closes stationarity and can during baffle door
Bad by property, total weight is big, and heat-resisting ability is poor, and moment of torsion transmits bad deficiency, there is provided a kind of gas baffle door
Driving structure, gas baffle door open and close during stationarity and good reliability, total is in light weight, high temperature resistant
Ability is strong, and moment of torsion transmission effect is good.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of driving of gas baffle door
Structure, including both ends be arranged on housing power transmission shaft, be connected to two rotating shafts of both ends of the drive shaft, power transmission shaft tightens connected
Rocking arm is connect, is hinged drive link on rocking arm, drive link is hinged baffle door, and power transmission shaft is hollow tubular structures, and rotating shaft is axially set
There is passage, passage connects with power transmission shaft inner chamber, rotating shaft ventilation outer end of hole connection inlet suction port, outside another rotating shaft passage
End connection air outlet adapter, inlet suction port blast cooling gas；It is all connected with driving rocking handle in rotating shaft, drives and hydraulic cylinder is hinged on rocking handle
Piston rod, baffle door upper end are rotatably hung on housing.
When gas baffle door needs to be turned on and off, hydraulic cylinder works promote driving rocking handle to turn by hydraulic cylinder piston rod
Dynamic, so as to drive rotating shaft, power transmission shaft to rotate together, the rocking arm being connected on power transmission shaft rotates and promotes baffle plate by drive link
Door is rotated and is turned on and off.Cooling gas is blasted into passage by inlet suction port, cooling air enters power transmission shaft inner chamber, another
Exported after passage in one rotating shaft from air outlet adapter.Cooling gas is constantly blasted, and countershaft, power transmission shaft are cooled down, greatly
The big heat-resisting ability for improving rotating shaft and power transmission shaft, prevents metaboly.The power transmission shaft of hollow-core construction is in light weight.And
For power transmission shaft by Driven by Hydraulic Cylinder, driving force is big, and driving process is steadily reliable, and is driven and shaken using double rotating shafts, patrilineal line of descent with only one son in each generation moving axis
Arm rotates, and transmission process is more steady reliable.The driving structure of this high temperature baffle door is in light weight, and heat-resisting ability is strong, effectively
Avoid rotating shaft and power transmission shaft in the course of work and metaboly occur, moment of torsion transmission effect is good, and gas baffle door opens and closes
During stationarity and good reliability.
Preferably, the both sides of rocking handle are driven to be mounted on for the spacing spacing pin for driving rocking handle, two limits on housing
Position pin will drive rocking handle is spacing to be rotated in the range of 0-90 degree.Spacing pin is used for spacing driving rocking handle, so as to indirectly spacing
Baffle door, and flue internal bypass side and boiler side are respectively mounted the limiting bracket for postive stop baffle door, spacing pin and spacing branch
Frame collective effect, impact of the unstable air-flow to baffle door is prevented, eliminate the influence of alternate stress countershaft and power transmission shaft, simultaneously
Avoid baffle door aperture excessive, serve the double protection to equipment.
Preferably, baffle door upper end is hinged with flap seat, flap seat upper end is fastenedly connected support rail, and support rail is connected to
On housing.Baffle door is hinged on flap seat by upper end, and flap seat is fastenedly connected with support rail, the mistake that baffle door opens and closes
Upper end rotates around flap seat in journey, and baffle door entirely moving, and flap seat bears the gravity of baffle door, and power transmission shaft is substantially not by bending
Stress, only acted on by pure torsion, prevent deformation of transmission shaft, substantially prolongs the life-span of power transmission shaft.
Preferably, power transmission shaft includes middle changeover portion and the linkage section at both ends, the pipe thickness of changeover portion, which is less than, to be connected
The pipe thickness of section is connect, close interlude end is provided with reaming on linkage section, and transition chamfering is provided between reaming and linkage section inwall,
Close installation has bending resistance ring between reaming and changeover portion inwall, and rocking arm is connected on linkage section close to middle fragment position.Linkage section
Bending resistance ring is installed with changeover portion link position, effectively increases the bending strength of link position.Being provided with for transition chamfering is beneficial to
The smooth outflow of cooling gas, while it is spacing to resist bending ring progress.The location and installation of bending resistance ring is easy in the setting of reaming.Changeover portion
Pipe thickness be less than linkage section pipe thickness, improve the contact area of power transmission shaft inwall and cooling gas, improve biography
The volume of moving axis inner chamber, be advantageous to improve cooling effect, while alleviate the weight of power transmission shaft.
Preferably, it is provided with reinforcing ring with rocking arm link position on power transmission shaft outer wall.Reinforcing ring is provided with beneficial to reduction
Local stress between rocking arm and power transmission shaft, improve the stress performance of power transmission shaft.
Preferably, it is connected among driving rocking handle with rotating shaft, the be hinged hydraulic cylinder piston rod in driving rocking handle both ends.In
The symmetrically arranged two Hydraulic Cylinders driving rocking handle of the heart rotates, and pushing course is more steady reliable.
Compared with prior art, the beneficial effects of the utility model are：The driving structure of high temperature baffle door is in light weight, resistance to height
Warm ability is strong, effectively prevent rotating shaft and power transmission shaft in the course of work and metaboly occurs, moment of torsion transmission effect is good, gas baffle
Stationarity and good reliability during door opens and closes.
Brief description of the drawings
Fig. 1 is external side view of the present utility model；
Fig. 2 is inner side elevational view of the present utility model；
Fig. 3 is front view of the present utility model；
Fig. 4 is the attachment structure schematic diagram of power transmission shaft of the present utility model；
Fig. 5 is the attachment structure schematic diagram of drive link of the present utility model；
In figure：1st, power transmission shaft, 2, rotating shaft, 3, rocking arm, 4, drive link, 5, baffle door, 6, passage, 7, inlet suction port,
8th, air outlet adapter, 9, heat-insulation layer, 10, driving rocking handle, 11, hydraulic cylinder piston rod, 12, flap seat, 13, support rail, 19, transition
Section, 20, linkage section, 21, reaming, 22, transition chamfering, 23, bending resistance ring, 24, reinforcing ring, 30, air blower, 31, muffler, 32,
Spacing pin.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically to retouch
State：
Embodiment：A kind of driving structure of gas baffle door（Referring to accompanying drawing 1 to 5）, including both ends are on housing
Power transmission shaft 1, two rotating shafts 2 for being connected to both ends of the drive shaft, rocking arm 3 is fastenedly connected on power transmission shaft, and being hinged driving on rocking arm connects
Bar 4, drive link are hinged baffle door 5, and power transmission shaft is hollow tubular structures, and rotating shaft is axially arranged with passage 6, passage and transmission
Axle inner chamber connects, rotating shaft ventilation outer end of hole connection inlet suction port 7, another rotating shaft ventilation outer end of hole connection air outlet adapter 8, transmission
Axle outer wall is set with heat-insulation layer 9, and inlet suction port blasts cooling gas；It is all connected with driving rocking handle 10 in rotating shaft, drives and cut with scissors on rocking handle
Hydraulic cylinder piston rod 11 is connect, baffle door upper end is rotatably hung on housing.It is connected among driving rocking handle with rotating shaft, drives rocking handle
The be hinged hydraulic cylinder piston rod in both ends, two hydraulic cylinder center symmetric settings.The both sides of rocking handle are driven to be mounted on being used on housing
The spacing pin 32 of spacing driving rocking handle, two spacing pins will drive rocking handle is spacing to be rotated in the range of 0-90 degree.On baffle door
End is hinged with flap seat 12, and flap seat upper end is fastenedly connected support rail 13, and support rail is connected on housing.Power transmission shaft includes centre
Changeover portion 19 and both ends linkage section 20, the pipe thickness of changeover portion is less than the pipe thickness of linkage section, changeover portion and connection
Section outside dimension is identical.Reaming 21 is provided with close to interlude end on linkage section, is fallen between reaming and linkage section inwall provided with transition
Angle 22, close installation has bending resistance ring 23 between reaming and changeover portion inwall, and rocking arm is connected on linkage section close to middle fragment position.
Changeover portion and the docking of linkage section end are welded together.On power transmission shaft outer wall and rocking arm link position is provided with reinforcing ring 24.Air inlet connecting
Head connects air blower 30 by pipeline, and air outlet adapter passes through pipeline joint noise reduction device 31.
When gas baffle door needs to be turned on and off, hydraulic cylinder works promote driving rocking handle to turn by hydraulic cylinder piston rod
Dynamic, so as to drive rotating shaft, power transmission shaft to rotate together, the rocking arm being connected on power transmission shaft rotates and promotes baffle plate by drive link
Door is rotated and is turned on and off.Cooling gas is blasted into passage by inlet suction port, cooling air enters power transmission shaft inner chamber, another
Exported after passage in one rotating shaft from air outlet adapter.Cooling gas is constantly blasted, and countershaft, power transmission shaft are cooled down, greatly
The big heat-resisting ability for improving rotating shaft and power transmission shaft, prevents metaboly.And power transmission shaft outer wall suit heat-insulation layer, have
The high temperature that effect keeps out outside is delivered on power transmission shaft, effectively improves the heat-resisting ability of power transmission shaft.The power transmission shaft weight of hollow-core construction
Amount is light.For power transmission shaft by Driven by Hydraulic Cylinder, driving force is big, and driving process is steadily reliable, and uses double rotating shafts, patrilineal line of descent with only one son in each generation moving axis band
Motion rocker arm rotates, and transmission process is more steady reliable.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (6)
1. a kind of driving structure of gas baffle door, it is characterized in that, including both ends be arranged on housing power transmission shaft, connect respectively
Rocking arm is fastenedly connected in two rotating shafts of both ends of the drive shaft, power transmission shaft, is hinged drive link on rocking arm, drive link is hinged baffle plate
Door, it is characterized in that, power transmission shaft is hollow tubular structures, and rotating shaft is axially arranged with passage, and passage connects with power transmission shaft inner chamber, one
Rotating shaft ventilation outer end of hole connection inlet suction port, another rotating shaft ventilation outer end of hole connection air outlet adapter, inlet suction port blast cooling gas
Body；It is all connected with driving rocking handle in rotating shaft, drives and hydraulic cylinder piston rod is hinged on rocking handle, baffle door upper end is rotatably hung in housing
On.
2. a kind of driving structure of gas baffle door according to claim 1, it is characterized in that, the two of rocking handle is driven on housing
Side is mounted on the spacing pin for spacing driving rocking handle, and two spacing pins will drive rocking handle is spacing to turn in the range of 0-90 degree
It is dynamic.
3. a kind of driving structure of gas baffle door according to claim 1, it is characterized in that, baffle door upper end, which is hinged with, hangs
Seat, flap seat upper end are fastenedly connected support rail, and support rail is connected on housing.
4. a kind of driving structure of gas baffle door according to claim 1, it is characterized in that, power transmission shaft includes middle mistake
Cross the linkage section at section and both ends, the pipe thickness of changeover portion is less than the pipe thickness of linkage section, close to interlude end on linkage section
Provided with reaming, transition chamfering is provided between reaming and linkage section inwall, close installation has bending resistance between reaming and changeover portion inwall
Ring, rocking arm are connected on linkage section close to middle fragment position.
5. a kind of driving structure of gas baffle door according to Claims 1-4 any one, it is characterized in that, power transmission shaft
On outer wall and rocking arm link position is provided with reinforcing ring.
6. a kind of driving structure of gas baffle door according to Claims 1-4 any one, it is characterized in that, driving is shaken
It is connected among handle with rotating shaft, the be hinged hydraulic cylinder piston rod in driving rocking handle both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581942.2U CN206831539U (en) | 2017-05-23 | 2017-05-23 | A kind of driving structure of gas baffle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581942.2U CN206831539U (en) | 2017-05-23 | 2017-05-23 | A kind of driving structure of gas baffle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206831539U true CN206831539U (en) | 2018-01-02 |
Family
ID=60771173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720581942.2U Expired - Fee Related CN206831539U (en) | 2017-05-23 | 2017-05-23 | A kind of driving structure of gas baffle door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206831539U (en) |
-
2017
- 2017-05-23 CN CN201720581942.2U patent/CN206831539U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190523 |