CN206617348U - A kind of civil air defense constructions and installations ventilation equipment - Google Patents
A kind of civil air defense constructions and installations ventilation equipment Download PDFInfo
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- CN206617348U CN206617348U CN201720305325.XU CN201720305325U CN206617348U CN 206617348 U CN206617348 U CN 206617348U CN 201720305325 U CN201720305325 U CN 201720305325U CN 206617348 U CN206617348 U CN 206617348U
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- power transmission
- transmission shaft
- direct current
- shaft
- air defense
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Abstract
The utility model is related to a kind of civil air defense constructions and installations ventilation equipment, the equipment includes base, blower fan, power transmission shaft, gearbox, direct current generator, DC motor controller, battery and at least two pin step on drive device, power transmission shaft is rotatably mounted on base by fixed seat, gearbox is fixedly mounted on base and positioned between power transmission shaft and blower fan, the power output shaft of gearbox is detachably connected by exchanging the rotary shaft of freewheel clutch and blower fan, the power input shaft of gearbox and one end of power transmission shaft are detachably connected, direct current freewheel clutch is installed with power transmission shaft, the foreign steamer of direct current freewheel clutch is provided with the first driven sprocket, pin, which steps on drive device, includes stretcher cleat, crank, pedal, bicycle freewheel and bicycle wheel disc.Civil air defense constructions and installations ventilation equipment of the present utility model have operating efficiency high, and equipment adds direct current process auxiliary drive and pure manpower to drive three kinds of type of drive using exchange electric drive, manpower, with the diversified advantage of type of drive.
Description
Technical field
The utility model is related to civil air defense constructions and installations equipment technical field, and in particular to a kind of civil air defense constructions and installations ventilation equipment.
Background technology
It is well known that civil air defense constructions and installations is a kind of special hypogee for having a requirement of shelter, civil air defense constructions and installations includes exterior wall, buffering
The parts such as wall, explosion proof door, enclosing wall, protection partition wall, are mainly used in people's air defence temporary shelters, wartime air defense direction center, lead to
News center, hideaway etc..Due to having a large amount of gathering of people in wartime civil air defense constructions and installations, and aerial respiration amount averagely exists people per hour
30 cubic metres or so, this just proposes to test to the air feed equipment of civil air defense constructions and installations, but air feed equipment still uses last century at present
The product of the seventies, during long-term use existing air feed equipment subject matter show it is following some：
(1) existing air feed equipment is to use hand supply during manpower driving blower fan, because the strength of human arm is smaller,
The moment of torsion of manual setter output is limited, and the air quantity and blast of feeder output are low, and design air flow is not reached far for 500 cubic metres
Per hour, blast is the index of 1200 every meter of handkerchiefs.Although also stepping on the air feed equipment for providing power using pin, these are but present
The problem of rotating speed is low, the air quantity and blast of feeder output do not reach requirement still.
(2) air feed equipment is usually using two lines Lu Laiwei air feed equipments offer electric power is introduced from outside into, and a conduct is normal
With circuit, one as extension wire in addition, but the circuit outside wartime is likely to be destroyed, and often results in available without electricity
Situation, stand-by power supply reliability is low.
(3) either using any in electronic and hand fan or electric power and pedal fan, air feed equipment is all present
Problems with, when blower fan is rotated when using driven by power, hand or pin step on device can all follow blower fan together to rotate, and cause electricity
The waste of power reduces the efficiency of blower fan simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of civil air defense constructions and installations ventilation equipment exist to solve existing feeder
The problem of efficiency is low, manpower driving feeder is short of power and stand-by power supply is easily destroyed.
To achieve the above object, the utility model provides a kind of civil air defense constructions and installations ventilation equipment, and the civil air defense constructions and installations ventilation is set
It is standby to include base, the blower fan for being fixedly mounted on described base one end, power transmission shaft, gearbox, be fixedly mounted on the base
Direct current generator, DC motor controller, battery and at least two pin step on drive device, and the power transmission shaft is rotated by fixed seat
Ground is arranged on base, and the gearbox is fixedly mounted on base and is located between power transmission shaft and blower fan, the gearbox
Power output shaft is detachably connected by exchanging the rotary shaft of freewheel clutch and the blower fan, the power input of the gearbox
One end of axle and the power transmission shaft is detachably connected, and direct current freewheel clutch, the direct current are installed with the power transmission shaft
The foreign steamer of freewheel clutch is provided with the first driven sprocket, and the pin, which steps on drive device, to be included being fixedly mounted on the other end of base
Stretcher cleat, crank, pedal, the bicycle freewheel on the power transmission shaft and be rotatably mounted on the stretcher cleat
Bicycle wheel disc, the rotating shaft of the pedal and bicycle wheel disc connected by crank, and first driven sprocket passes through chain
Bar is connected with the first drive sprocket on the DC motor shaft, and the bicycle wheel disc passes through chain with the bicycle freewheel
Bar is connected, and the DC motor controller is connected with battery and direct current generator respectively.
It is preferred that, seat is installed on the stretcher cleat, the seat it is Height Adjustable.
It is preferred that, the front end of the stretcher cleat is provided with handle, the handle it is Height Adjustable.
It is preferred that, stretcher cleat is mounted side by side on base described in each two, and two stretcher cleats of same row are connected by cross bar
Connect.
It is preferred that, the wheel diameter of first driven sprocket is more than the wheel diameter of first drive sprocket.
It is preferred that, the rotary shaft of the power output shaft of the gearbox and the blower fan is detachably connected by the first shaft flange
Connect, the exchange freewheel clutch is arranged in first shaft flange, the power input shaft of the gearbox and the transmission
One end of axle is detachably connected by the second shaft flange.
It is preferred that, the direct current generator is three-phase brushless dc motor.
The utility model has the following advantages that：Civil air defense constructions and installations ventilation equipment of the present utility model use alternating current, direct current
Machine or pin step on three kinds of modes of drive device and drive blower fan work, by using bicycle freewheel in direct current generator or exchange driving wind
When machine is rotated, pin is stepped on into drive device and separated with power transmission shaft, to improve the efficiency of blower fan rotation.People's air defense work of the present utility model
Journey ventilation equipment have operating efficiency high, and equipment adds direct current process auxiliary drive and pure manpower to drive using exchange electric drive, manpower
Three kinds of type of drive, with the diversified advantage of type of drive.
Brief description of the drawings
Fig. 1 is the top view cross section structural representation of the utility model civil air defense constructions and installations ventilation equipment.
Fig. 2 is the side elevational cross-section structural representation of the utility model civil air defense constructions and installations ventilation equipment.
Fig. 3 is the side structure schematic view that the utility model pin steps on drive device.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
Embodiment 1
As illustrated in fig. 1 and 2, the civil air defense constructions and installations ventilation equipment include base 1, blower fan 2, power transmission shaft 3, gearbox 4, direct current
Machine 5, DC motor controller 6, battery and four pin step on drive device 7.Civil air defense constructions and installations ventilation equipment tool of the present utility model
There is operating efficiency high, equipment adds direct current process auxiliary drive and pure manpower to drive three kinds of type of drive using exchange electric drive, manpower,
With the diversified advantage of type of drive.
Base 1 is the platform being welded by angle bar, and base 1 blower fan 2 as platform bearer and pin steps on drive device 7 etc.
Equipment, facilitates using and transporting for civil air defense constructions and installations ventilation equipment.Blower fan 2 is by air blower 21 and exchanging that blower 21 is rotated
Motor 22 is constituted, and alternating current generator 22 is three phase alternating current motor, and one end of the rotary shaft of alternating current generator 22 and the impeller of air blower are connected,
The other end of alternating current generator rotary shaft is detachably connected by the power output shaft of the first shaft flange 32 and gearbox 4, first axle
Exchange freewheel clutch 34 is installed, the power input shaft of gearbox 4 passes through the second shaft flange 33 and power transmission shaft 3 in flange 32
One end is detachably connected, and is powered when to alternating current generator 22, when being rotated by the blower 21 of alternating current generator 22, because exchange surmounts
The characteristic of the unidirectional delivery moment of torsion of clutch 34, the power output shaft of gearbox 4 will not follow the rotary shaft of alternating current generator 22 to turn
It is dynamic, thus improve the rotational efficienty of blower fan 2.Gearbox 4 is fixedly mounted on base 1, and gearbox is located at power transmission shaft and blower fan
Between, gearbox 4 is speed-increasing transmission.Power transmission shaft 3 is rotatably mounted on base 1 by fixed seat, in order to improve power transmission shaft 3
Rotational efficienty, reduce friction, bearing be installed in fixed seat, by bearing fit drive axis, fixation can be greatly reduced
Friction between seat and power transmission shaft.Direct current freewheel clutch 35, direct current freewheel clutch 35 and friendship are installed with power transmission shaft 3
It is the common freewheel clutch of in the market, all characteristic with unidirectional delivery moment of torsion to flow freewheel clutch 34.Direct current overdrive clutch
The foreign steamer of device is provided with fixed cover in the first driven sprocket 31, the rotary shaft of direct current generator 5 and is provided with the first drive sprocket 51, first
Drive sprocket 51 is connected with the first driven sprocket 31 by chain, and the wheel diameter of the first driven sprocket 31 is more than the first driving-chain
The wheel diameter of wheel 51, direct current generator 5 is rotated by the first driven sprocket of chain-driving 31, and then drives blower fan 2 to rotate, direct current
Motor 5 is three-phase brushless dc motor.Direct current generator 5 is connected with DC motor controller 6, DC motor controller 6 again with storage
Battery is connected, battery with it is traditional be introduced from outside into extension wire compared with, because battery is inherently inside civil air defense constructions and installations,
Wartime will not be destroyed, therefore with higher reliability.By DC motor controller 6 by DC conversion into certain
The adjustable pulse current of pulse width of frequency, the more big both dutycycles of pulse width are bigger, and there is provided the average electricity to direct current generator 5
Pressure is bigger, and the rotating speed of direct current generator 5 is also higher.
As shown in figure 3, it is the device for driving blower fan 2 to rotate by manpower, in the present embodiment, people that pin, which steps on drive device 7,
Preventing engineering ventilation equipment are provided with four pin and step on drive device 7 altogether, naturally it is also possible to set three, the pin of five or more step on drive
Dynamic device 7, can specifically be determined according to the power demand size of driving blower fan 2., can by setting four pin to step on drive device 7
More powerful power is exported to power transmission shaft 3 to ensure that pin steps on drive device 7, it is ensured that the air quantity and blast that blower fan 2 is exported can
Reach design requirement.Pin, which steps on drive device 7, includes stretcher cleat 71, bicycle freewheel 72, crank 73, pedal 74 and bicycle quick
Disk 75, stretcher cleat 71 forms bicycle frame by some steel-pipe weldings, and four stretcher cleats 71 are arranged to two row, two of same row
Stretcher cleat 71 is parallel to be fixed on base 1, and in order to strengthen the structural strength of stretcher cleat 71, two stretcher cleats 71 of same row pass through
Cross bar is connected so that two stretcher cleats 71 are mutually supported, more firmly.Four bicycle freewheels 72 are installed on power transmission shaft 3
Position close to the two ends of power transmission shaft 3, bicycle freewheel 72 is the bicycle freewheel 72 that uses in daily life.Bicycle wheel disc 75
It is rotatably mounted on stretcher cleat 71, pedal 74 is connected with the rotating shaft of bicycle wheel disc 75 by crank 73.Pass through when using
The driving bicycle wheel disc 75 of pedal 74 is trampled with pin to rotate, then is rotated by chain-driving bicycle freewheel 72, and then is driven
Power transmission shaft 3 rotates and drives blower fan 2 to rotate., can be according to making in addition, be provided with Height Adjustable seat 76 on stretcher cleat 71
The height of user is adjusted the height between seat 76 and pedal 74, and the front end of stretcher cleat 71 is also equipped with Height Adjustable
Handle 77, staff can be according to the height of the hobby regulation handle 77 of oneself, it is ensured that staff is stepping on drive using pin
During dynamic device 7, body is in most comfortable state.
Operation principle：If when during work using external communication circuit as power supply, being manipulated by the control on case
Device control alternating current generator 22 is rotated, and due to being provided with exchange freewheel clutch 34 in the first shaft flange 32, exchanges freewheel clutch
The characteristic of 34 unidirectional delivery moments of torsion, it is ensured that the power output shaft of gearbox 4 will not follow the rotary shaft of alternating current generator 22 to rotate.Such as
Fruit external communication circuit is damaged, then direct current process auxiliary drive mode can be added to drive blower fan 2 to work using manpower, passes through operation
Controller control battery on control cabinet is turned on DC motor controller 6, and DC motor controller 6 can drive direct current generator
5 rotations carry out auxiliary foot and step on the driving blower fan work of drive device 7, aid in manpower to drive blower fan work by direct current generator 5, can be significantly
Lower the muscle power expenditure of staff, in the rotation process of direct current generator 5, due to being provided with bicycle freewheel on power transmission shaft 3
72 and direct current freewheel clutch 35, it is ensured that when the rotating speed of bicycle freewheel 72 is less than the rotating speed of the first driven sprocket 31, by pin
The power for stepping on the output of drive device 7 is disconnected with power transmission shaft 3, and the negative of the work of direct current generator 5 will not be turned into by pin is stepped on drive device 7
Carry, reduce the operating efficiency of direct current generator 5, ensure the safety of staff again, if battery is because not enough power supply can not be just
Often during work, also the working method of blower fan 2 can be driven using pure manpower, drive four pin to step on drive device 7 by staff and work,
Four pin step on drive device 7 and can export the power of sufficient moment of torsion to drive power transmission shaft 3 to rotate, and are improved by gearbox 4 after rotating speed
Driving blower fan 2 works, and then causes blower fan 2 to convey the air quantity and blast of abundance into civil air defense constructions and installations.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be modified or improved, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (7)
1. a kind of civil air defense constructions and installations ventilation equipment, the civil air defense constructions and installations ventilation equipment include base, are fixedly mounted on the base one
The blower fan at end, power transmission shaft, gearbox, the direct current generator being fixedly mounted on the base, DC motor controller, battery and
At least two pin step on drive device, it is characterised in that the power transmission shaft is rotatably mounted on base by fixed seat, described to become
Fast case is fixedly mounted on base and positioned between power transmission shaft and blower fan, the power output shaft of the gearbox is surmounted by exchange
The rotary shaft of clutch and the blower fan is detachably connected, and one end of the power input shaft of the gearbox and the power transmission shaft can
Direct current freewheel clutch is installed with dismounting connection, the power transmission shaft, the foreign steamer of the direct current freewheel clutch is provided with
First driven sprocket, the pin step on drive device include being fixedly mounted on the stretcher cleat of the other end of base, crank, pedal,
Bicycle freewheel and the bicycle wheel disc being rotatably mounted on the stretcher cleat on the power transmission shaft, it is described foot-operated
The rotating shaft of plate and bicycle wheel disc is connected by crank, and first driven sprocket passes through on chain and the DC motor shaft
The connection of the first drive sprocket, the bicycle wheel disc is connected with the bicycle freewheel by chain, the direct current generator control
Device processed is connected with battery and direct current generator respectively.
2. civil air defense constructions and installations ventilation equipment according to claim 1, it is characterised in that be provided with seat on the stretcher cleat,
The seat it is Height Adjustable.
3. civil air defense constructions and installations ventilation equipment according to claim 2, it is characterised in that the front end of the stretcher cleat is provided with handle
Hand, the handle it is Height Adjustable.
4. civil air defense constructions and installations ventilation equipment according to claim 3, it is characterised in that stretcher cleat is mounted side by side described in each two
On base, two stretcher cleats of same row are connected by cross bar.
5. civil air defense constructions and installations ventilation equipment according to claim 1, it is characterised in that the wheel disc of first driven sprocket is straight
Footpath is more than the wheel diameter of first drive sprocket.
6. civil air defense constructions and installations ventilation equipment according to claim 1, it is characterised in that the power output shaft of the gearbox with
The rotary shaft of the blower fan is detachably connected by the first shaft flange, and the exchange freewheel clutch is arranged on first method of principal axes
In blue, one end of the power input shaft of the gearbox and the power transmission shaft is detachably connected by the second shaft flange.
7. civil air defense constructions and installations ventilation equipment according to claim 1, it is characterised in that the direct current generator is that three-phase brushless is straight
Flow motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305325.XU CN206617348U (en) | 2017-03-27 | 2017-03-27 | A kind of civil air defense constructions and installations ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305325.XU CN206617348U (en) | 2017-03-27 | 2017-03-27 | A kind of civil air defense constructions and installations ventilation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617348U true CN206617348U (en) | 2017-11-07 |
Family
ID=60234301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720305325.XU Active CN206617348U (en) | 2017-03-27 | 2017-03-27 | A kind of civil air defense constructions and installations ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837835A (en) * | 2017-03-27 | 2017-06-13 | 北京天立成信机械电子设备有限公司 | A kind of civil air defense constructions and installations ventilation equipment |
-
2017
- 2017-03-27 CN CN201720305325.XU patent/CN206617348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837835A (en) * | 2017-03-27 | 2017-06-13 | 北京天立成信机械电子设备有限公司 | A kind of civil air defense constructions and installations ventilation equipment |
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